Index: branches/NERC/dev_r5518_GO6_package_trdtrc/NEMOGCM/CONFIG/SHARED/field_def_bgc.xml
===================================================================
--- branches/NERC/dev_r5518_GO6_package_trdtrc/NEMOGCM/CONFIG/SHARED/field_def_bgc.xml	(revision 8463)
+++ branches/NERC/dev_r5518_GO6_package_trdtrc/NEMOGCM/CONFIG/SHARED/field_def_bgc.xml	(revision 8475)
@@ -576,32 +576,47 @@
        <field id="TAD_CHN"      long_name="Chl-a concentration in non-diatom phytoplankton"   unit="mg Chl/m3/s" />
        <field id="TAD_CHN_E3T"  long_name="TAD_CHN * E3T"                                     unit="mg Chl/m2/s" > TAD_CHN * e3t </field>
+       <field id="TAD_CHN_INV"  field_ref="TAD_CHN_E3T"                                       unit="mg Chl/m2/s" grid_ref="vert_sum" />
        <field id="TAD_CHD"      long_name="Chl-a concentration in     diatom phytoplankton"   unit="mg Chl/m3/s" />
        <field id="TAD_CHD_E3T"  long_name="TAD_CHD * E3T"                                     unit="mg Chl/m2/s" > TAD_CHD * e3t </field>
+       <field id="TAD_CHD_INV"  field_ref="TAD_CHD_E3T"                                       unit="mg Chl/m2/s" grid_ref="vert_sum" />
        <field id="TAD_PHN"      long_name="non-diatom phytoplankton"                          unit="mmol-N/m3/s" />
        <field id="TAD_PHN_E3T"  long_name="TAD_PHN * E3T"                                     unit="mmol-N/m2/s" > TAD_PHN * e3t </field>
+       <field id="TAD_PHN_INV"  field_ref="TAD_PHN_E3T"                                       unit="mmol-N/m2/s" grid_ref="vert_sum" />
        <field id="TAD_PHD"      long_name="diatom     phytoplankton"                          unit="mmol-N/m3/s" />
        <field id="TAD_PHD_E3T"  long_name="TAD_PHD * E3T"                                     unit="mmol-N/m2/s" > TAD_PHD * e3t </field>
+       <field id="TAD_PHD_INV"  field_ref="TAD_PHD_E3T"                                       unit="mmol-N/m2/s" grid_ref="vert_sum" />
        <field id="TAD_ZMI"      long_name="micro zooplankton"                                 unit="mmol-N/m3/s" />
        <field id="TAD_ZMI_E3T"  long_name="TAD_ZMI * E3T"                                     unit="mmol-N/m2/s" > TAD_ZMI * e3t </field>
+       <field id="TAD_ZMI_INV"  field_ref="TAD_ZMI_E3T"                                       unit="mmol-N/m2/s" grid_ref="vert_sum" />
        <field id="TAD_ZME"      long_name="meso  zooplankton"                                 unit="mmol-N/m3/s" />
        <field id="TAD_ZME_E3T"  long_name="TAD_ZME * E3T"                                     unit="mmol-N/m2/s" > TAD_ZME * e3t </field>
+       <field id="TAD_ZME_INV"  field_ref="TAD_ZME_E3T"                                       unit="mmol-N/m2/s" grid_ref="vert_sum" />
        <field id="TAD_DIN"      long_name="dissolved inorganic nitrogen"                      unit="mmol-N/m3/s" />
        <field id="TAD_DIN_E3T"  long_name="TAD_DIN * E3T"                                     unit="mmol-N/m2/s" > TAD_DIN * e3t </field>
+       <field id="TAD_DIN_INV"  field_ref="TAD_DIN_E3T"                                       unit="mmol-N/m2/s" grid_ref="vert_sum" />
        <field id="TAD_SIL"      long_name="dissolved silicic acid"                            unit="mmolSi/m3/s" />
        <field id="TAD_SIL_E3T"  long_name="TAD_SIL * E3T"                                     unit="mmolSi/m2/s" > TAD_SIL * e3t </field>
+       <field id="TAD_SIL_INV"  field_ref="TAD_SIL_E3T"                                       unit="mmol-N/m2/s" grid_ref="vert_sum" />
        <field id="TAD_FER"      long_name="dissolved iron"                                    unit="mmolFe/m3/s" />
        <field id="TAD_FER_E3T"  long_name="TAD_FER * E3T"                                     unit="mmolFe/m2/s" > TAD_FER * e3t </field>
+       <field id="TAD_FER_INV"  field_ref="TAD_FER_E3T"                                       unit="mmol-N/m2/s" grid_ref="vert_sum" />
        <field id="TAD_DET"      long_name="detrital nitrogen"                                 unit="mmol-N/m3/s" />
        <field id="TAD_DET_E3T"  long_name="TAD_DET * E3T"                                     unit="mmol-N/m2/s" > TAD_DET * e3t </field>
+       <field id="TAD_DET_INV"  field_ref="TAD_DET_E3T"                                       unit="mmol-N/m2/s" grid_ref="vert_sum" />
        <field id="TAD_PDS"      long_name="biogenic silicon in diatom phytoplankton"          unit="mmolSi/m3/s" />
        <field id="TAD_PDS_E3T"  long_name="TAD_PDS * E3T"                                     unit="mmolSi/m2/s" > TAD_PDS * e3t </field>
+       <field id="TAD_PDS_INV"  field_ref="TAD_PDS_E3T"                                       unit="mmol-N/m2/s" grid_ref="vert_sum" />
        <field id="TAD_DTC"      long_name="detrital carbon"                                   unit="mmol-C/m3/s" />
        <field id="TAD_DTC_E3T"  long_name="TAD_DTC * E3T"                                     unit="mmol-C/m2/s" > TAD_DTC * e3t </field>
+       <field id="TAD_DTC_INV"  field_ref="TAD_DTC_E3T"                                       unit="mmol-N/m2/s" grid_ref="vert_sum" />
        <field id="TAD_DiC"      long_name="dissolved inorganic carbon"                        unit="mmol-C/m3/s" />
        <field id="TAD_DiC_E3T"  long_name="TAD_DiC * E3T"                                     unit="mmol-C/m2/s" > TAD_DiC * e3t </field>
+       <field id="TAD_DiC_INV"  field_ref="TAD_DiC_E3T"                                       unit="mmol-N/m2/s" grid_ref="vert_sum" />
        <field id="TAD_ALK"      long_name="alkalinity"                                        unit="meq/m3/s"    />
        <field id="TAD_ALK_E3T"  long_name="TAD_ALK * E3T"                                     unit="meq/m2/s"    > TAD_ALK * e3t </field>
+       <field id="TAD_ALK_INV"  field_ref="TAD_ALK_E3T"                                       unit="mmol-N/m2/s" grid_ref="vert_sum" />
        <field id="TAD_OXY"      long_name="dissolved oxygen"                                  unit="mmolO2/m3/s" />
        <field id="TAD_OXY_E3T"  long_name="TAD_OXY * E3T"                                     unit="mmolO2/m2/s" > TAD_OXY * e3t </field>
+       <field id="TAD_OXY_INV"  field_ref="TAD_OXY_E3T"                                       unit="mmol-N/m2/s" grid_ref="vert_sum" />
        <!-- trd case: jptra_ldf -->
        <field id="LDF_CHN"      long_name="Chl-a concentration in non-diatom phytoplankton"   unit="mg Chl/m3/s" />
@@ -703,32 +718,47 @@
        <field id="SMS_CHN"      long_name="Chl-a concentration in non-diatom phytoplankton"   unit="mg Chl/m3/s" />
        <field id="SMS_CHN_E3T"  long_name="SMS_CHN * E3T"                                     unit="mg Chl/m2/s" > SMS_CHN * e3t </field>
+       <field id="SMS_CHN_INV"  field_ref="SMS_CHN_E3T"                                       unit="mg Chl/m2/s" grid_ref="vert_sum" />
        <field id="SMS_CHD"      long_name="Chl-a concentration in     diatom phytoplankton"   unit="mg Chl/m3/s" />
        <field id="SMS_CHD_E3T"  long_name="SMS_CHD * E3T"                                     unit="mg Chl/m2/s" > SMS_CHD * e3t </field>
+       <field id="SMS_CHD_INV"  field_ref="SMS_CHD_E3T"                                       unit="mg Chl/m2/s" grid_ref="vert_sum" />
        <field id="SMS_PHN"      long_name="non-diatom phytoplankton"                          unit="mmol-N/m3/s" />
        <field id="SMS_PHN_E3T"  long_name="SMS_PHN * E3T"                                     unit="mmol-N/m2/s" > SMS_PHN * e3t </field>
+       <field id="SMS_PHN_INV"  field_ref="SMS_PHN_E3T"                                       unit="mg Chl/m2/s" grid_ref="vert_sum" />
        <field id="SMS_PHD"      long_name="diatom     phytoplankton"                          unit="mmol-N/m3/s" />
        <field id="SMS_PHD_E3T"  long_name="SMS_PHD * E3T"                                     unit="mmol-N/m2/s" > SMS_PHD * e3t </field>
+       <field id="SMS_PHD_INV"  field_ref="SMS_PHD_E3T"                                       unit="mg Chl/m2/s" grid_ref="vert_sum" />
        <field id="SMS_ZMI"      long_name="micro zooplankton"                                 unit="mmol-N/m3/s" />
        <field id="SMS_ZMI_E3T"  long_name="SMS_ZMI * E3T"                                     unit="mmol-N/m2/s" > SMS_ZMI * e3t </field>
+       <field id="SMS_ZMI_INV"  field_ref="SMS_ZMI_E3T"                                       unit="mg Chl/m2/s" grid_ref="vert_sum" />
        <field id="SMS_ZME"      long_name="meso  zooplankton"                                 unit="mmol-N/m3/s" />
        <field id="SMS_ZME_E3T"  long_name="SMS_ZME * E3T"                                     unit="mmol-N/m2/s" > SMS_ZME * e3t </field>
+       <field id="SMS_ZME_INV"  field_ref="SMS_ZME_E3T"                                       unit="mg Chl/m2/s" grid_ref="vert_sum" />
        <field id="SMS_DIN"      long_name="dissolved inorganic nitrogen"                      unit="mmol-N/m3/s" />
        <field id="SMS_DIN_E3T"  long_name="SMS_DIN * E3T"                                     unit="mmol-N/m2/s" > SMS_DIN * e3t </field>
+       <field id="SMS_DIN_INV"  field_ref="SMS_DIN_E3T"                                       unit="mg Chl/m2/s" grid_ref="vert_sum" />
        <field id="SMS_SIL"      long_name="dissolved silicic acid"                            unit="mmolSi/m3/s" />
        <field id="SMS_SIL_E3T"  long_name="SMS_SIL * E3T"                                     unit="mmolSi/m2/s" > SMS_SIL * e3t </field>
+       <field id="SMS_SIL_INV"  field_ref="SMS_SIL_E3T"                                       unit="mg Chl/m2/s" grid_ref="vert_sum" />
        <field id="SMS_FER"      long_name="dissolved iron"                                    unit="mmolFe/m3/s" />
        <field id="SMS_FER_E3T"  long_name="SMS_FER * E3T"                                     unit="mmolFe/m2/s" > SMS_FER * e3t </field>
+       <field id="SMS_FER_INV"  field_ref="SMS_FER_E3T"                                       unit="mg Chl/m2/s" grid_ref="vert_sum" />
        <field id="SMS_DET"      long_name="detrital nitrogen"                                 unit="mmol-N/m3/s" />
        <field id="SMS_DET_E3T"  long_name="SMS_DET * E3T"                                     unit="mmol-N/m2/s" > SMS_DET * e3t </field>
+       <field id="SMS_DET_INV"  field_ref="SMS_DET_E3T"                                       unit="mg Chl/m2/s" grid_ref="vert_sum" />
        <field id="SMS_PDS"      long_name="biogenic silicon in diatom phytoplankton"          unit="mmolSi/m3/s" />
        <field id="SMS_PDS_E3T"  long_name="SMS_PDS * E3T"                                     unit="mmolSi/m2/s" > SMS_PDS * e3t </field>
+       <field id="SMS_PDS_INV"  field_ref="SMS_PDS_E3T"                                       unit="mg Chl/m2/s" grid_ref="vert_sum" />
        <field id="SMS_DTC"      long_name="detrital carbon"                                   unit="mmol-C/m3/s" />
        <field id="SMS_DTC_E3T"  long_name="SMS_DTC * E3T"                                     unit="mmol-C/m2/s" > SMS_DTC * e3t </field>
+       <field id="SMS_DTC_INV"  field_ref="SMS_DTC_E3T"                                       unit="mg Chl/m2/s" grid_ref="vert_sum" />
        <field id="SMS_DiC"      long_name="dissolved inorganic carbon"                        unit="mmol-C/m3/s" />
        <field id="SMS_DiC_E3T"  long_name="SMS_DiC * E3T"                                     unit="mmol-C/m2/s" > SMS_DiC * e3t </field>
+       <field id="SMS_DiC_INV"  field_ref="SMS_DiC_E3T"                                       unit="mg Chl/m2/s" grid_ref="vert_sum" />
        <field id="SMS_ALK"      long_name="alkalinity"                                        unit="meq/m3/s"    />
        <field id="SMS_ALK_E3T"  long_name="SMS_ALK * E3T"                                     unit="meq/m2/s"    > SMS_ALK * e3t </field>
+       <field id="SMS_ALK_INV"  field_ref="SMS_ALK_E3T"                                       unit="mg Chl/m2/s" grid_ref="vert_sum" />
        <field id="SMS_OXY"      long_name="dissolved oxygen"                                  unit="mmolO2/m3/s" />
        <field id="SMS_OXY_E3T"  long_name="SMS_OXY * E3T"                                     unit="mmolO2/m2/s" > SMS_OXY * e3t </field>
+       <field id="SMS_OXY_INV"  field_ref="SMS_OXY_E3T"                                       unit="mg Chl/m2/s" grid_ref="vert_sum" />
        <!-- trd case: jptra_atf -->
        <field id="ATF_CHN"      long_name="Chl-a concentration in non-diatom phytoplankton"   unit="mg Chl/m3/s" />
@@ -782,32 +812,47 @@
        <field id="TOT_CHN"      long_name="Chl-a concentration in non-diatom phytoplankton"   unit="mg Chl/m3/s" />
        <field id="TOT_CHN_E3T"  long_name="TOT_CHN * E3T"                                     unit="mg Chl/m2/s" > TOT_CHN * e3t </field>
+       <field id="TOT_CHN_INV"  field_ref="TOT_CHN_E3T"                                       unit="mg Chl/m2/s" grid_ref="vert_sum" />
        <field id="TOT_CHD"      long_name="Chl-a concentration in     diatom phytoplankton"   unit="mg Chl/m3/s" />
        <field id="TOT_CHD_E3T"  long_name="TOT_CHD * E3T"                                     unit="mg Chl/m2/s" > TOT_CHD * e3t </field>
+       <field id="TOT_CHD_INV"  field_ref="TOT_CHD_E3T"                                       unit="mg Chl/m2/s" grid_ref="vert_sum" />
        <field id="TOT_PHN"      long_name="non-diatom phytoplankton"                          unit="mmol-N/m3/s" />
        <field id="TOT_PHN_E3T"  long_name="TOT_PHN * E3T"                                     unit="mmol-N/m2/s" > TOT_PHN * e3t </field>
+       <field id="TOT_PHN_INV"  field_ref="TOT_PHN_E3T"                                       unit="mg Chl/m2/s" grid_ref="vert_sum" />
        <field id="TOT_PHD"      long_name="diatom     phytoplankton"                          unit="mmol-N/m3/s" />
        <field id="TOT_PHD_E3T"  long_name="TOT_PHD * E3T"                                     unit="mmol-N/m2/s" > TOT_PHD * e3t </field>
+       <field id="TOT_PHD_INV"  field_ref="TOT_PHD_E3T"                                       unit="mg Chl/m2/s" grid_ref="vert_sum" />
        <field id="TOT_ZMI"      long_name="micro zooplankton"                                 unit="mmol-N/m3/s" />
        <field id="TOT_ZMI_E3T"  long_name="TOT_ZMI * E3T"                                     unit="mmol-N/m2/s" > TOT_ZMI * e3t </field>
+       <field id="TOT_ZMI_INV"  field_ref="TOT_ZMI_E3T"                                       unit="mg Chl/m2/s" grid_ref="vert_sum" />
        <field id="TOT_ZME"      long_name="meso  zooplankton"                                 unit="mmol-N/m3/s" />
        <field id="TOT_ZME_E3T"  long_name="TOT_ZME * E3T"                                     unit="mmol-N/m2/s" > TOT_ZME * e3t </field>
+       <field id="TOT_ZME_INV"  field_ref="TOT_ZME_E3T"                                       unit="mg Chl/m2/s" grid_ref="vert_sum" />
        <field id="TOT_DIN"      long_name="dissolved inorganic nitrogen"                      unit="mmol-N/m3/s" />
        <field id="TOT_DIN_E3T"  long_name="TOT_DIN * E3T"                                     unit="mmol-N/m2/s" > TOT_DIN * e3t </field>
+       <field id="TOT_DIN_INV"  field_ref="TOT_DIN_E3T"                                       unit="mg Chl/m2/s" grid_ref="vert_sum" />
        <field id="TOT_SIL"      long_name="dissolved silicic acid"                            unit="mmolSi/m3/s" />
        <field id="TOT_SIL_E3T"  long_name="TOT_SIL * E3T"                                     unit="mmolSi/m2/s" > TOT_SIL * e3t </field>
+       <field id="TOT_SIL_INV"  field_ref="TOT_SIL_E3T"                                       unit="mg Chl/m2/s" grid_ref="vert_sum" />
        <field id="TOT_FER"      long_name="dissolved iron"                                    unit="mmolFe/m3/s" />
        <field id="TOT_FER_E3T"  long_name="TOT_FER * E3T"                                     unit="mmolFe/m2/s" > TOT_FER * e3t </field>
+       <field id="TOT_FER_INV"  field_ref="TOT_FER_E3T"                                       unit="mg Chl/m2/s" grid_ref="vert_sum" />
        <field id="TOT_DET"      long_name="detrital nitrogen"                                 unit="mmol-N/m3/s" />
        <field id="TOT_DET_E3T"  long_name="TOT_DET * E3T"                                     unit="mmol-N/m2/s" > TOT_DET * e3t </field>
+       <field id="TOT_DET_INV"  field_ref="TOT_DET_E3T"                                       unit="mg Chl/m2/s" grid_ref="vert_sum" />
        <field id="TOT_PDS"      long_name="biogenic silicon in diatom phytoplankton"          unit="mmolSi/m3/s" />
        <field id="TOT_PDS_E3T"  long_name="TOT_PDS * E3T"                                     unit="mmolSi/m2/s" > TOT_PDS * e3t </field>
+       <field id="TOT_PDS_INV"  field_ref="TOT_PDS_E3T"                                       unit="mg Chl/m2/s" grid_ref="vert_sum" />
        <field id="TOT_DTC"      long_name="detrital carbon"                                   unit="mmol-C/m3/s" />
        <field id="TOT_DTC_E3T"  long_name="TOT_DTC * E3T"                                     unit="mmol-C/m2/s" > TOT_DTC * e3t </field>
+       <field id="TOT_DTC_INV"  field_ref="TOT_DTC_E3T"                                       unit="mg Chl/m2/s" grid_ref="vert_sum" />
        <field id="TOT_DiC"      long_name="dissolved inorganic carbon"                        unit="mmol-C/m3/s" />
        <field id="TOT_DiC_E3T"  long_name="TOT_DiC * E3T"                                     unit="mmol-C/m2/s" > TOT_DiC * e3t </field>
+       <field id="TOT_DiC_INV"  field_ref="TOT_DiC_E3T"                                       unit="mg Chl/m2/s" grid_ref="vert_sum" />
        <field id="TOT_ALK"      long_name="alkalinity"                                        unit="meq/m3/s"    />
        <field id="TOT_ALK_E3T"  long_name="TOT_ALK * E3T"                                     unit="meq/m2/s"    > TOT_ALK * e3t </field>
+       <field id="TOT_ALK_INV"  field_ref="TOT_ALK_E3T"                                       unit="mg Chl/m2/s" grid_ref="vert_sum" />
        <field id="TOT_OXY"      long_name="dissolved oxygen"                                  unit="mmolO2/m3/s" /> 
        <field id="TOT_OXY_E3T"  long_name="TOT_OXY * E3T"                                     unit="mmolO2/m2/s" > TOT_OXY * e3t </field>
+       <field id="TOT_OXY_INV"  field_ref="TOT_OXY_E3T"                                       unit="mg Chl/m2/s" grid_ref="vert_sum" />
        <!-- trd case: jptra_iso -->
        <field id="ISO_CHN"      long_name="Chl-a concentration in non-diatom phytoplankton"   unit="mg Chl/m3/s" > LDF_CHN + ZDF_CHN - ZDP_CHN  </field>
@@ -833,4 +878,5 @@
        <field id="TAD_IDTRA"      long_name="Ideal traceur concentration "              unit="mmol/m3/s"    />
        <field id="TAD_IDTRA_E3T"  long_name="TAD_IDTRA * E3T"                           unit="mmol/m2/s" > TAD_IDTRA * e3t </field>
+       <field id="TAD_IDTRA_INV"  field_ref="TAD_IDTRA_E3T"                             unit="mmol/m2/s" grid_ref="vert_sum" />
        <field id="LDF_IDTRA"      long_name="Ideal traceur concentration "              unit="mmol/m3/s"    />
        <field id="BBL_IDTRA"      long_name="Ideal traceur concentration "              unit="mmol/m3/s"    />
@@ -841,4 +887,5 @@
        <field id="SMS_IDTRA"      long_name="Ideal traceur concentration "              unit="mmol/m3/s"    />
        <field id="SMS_IDTRA_E3T"  long_name="SMS_IDTRA * E3T"                           unit="mmol/m2/s" > SMS_IDTRA * e3t </field>
+       <field id="SMS_IDTRA_INV"  field_ref="SMS_IDTRA_E3T"                             unit="mmol/m2/s" grid_ref="vert_sum" />
        <field id="ATF_IDTRA"      long_name="Ideal traceur concentration "              unit="mmol/m3/s"    />
        <field id="RDB_IDTRA"      long_name="Ideal traceur concentration "              unit="mmol/m3/s"    />
@@ -846,4 +893,5 @@
        <field id="TOT_IDTRA"      long_name="Ideal traceur concentration "              unit="mmol/m3/s"    />
        <field id="TOT_IDTRA_E3T"  long_name="TOT_IDTRA * E3T"                           unit="mmol/m2/s" > TOT_IDTRA * e3t </field>
+       <field id="TOT_IDTRA_INV"  field_ref="TOT_IDTRA_E3T"                             unit="mmol/m2/s" grid_ref="vert_sum" />
        <field id="ISO_IDTRA"      long_name="Ideal traceur concentration "              unit="mmol/m3/s" > LDF_IDTRA + ZDF_IDTRA - ZDP_IDTRA  </field>
 
@@ -854,4 +902,5 @@
        <field id="TAD_CFC11"       long_name="CFC-11 Concentration"                     unit="umol/m3/s" />
        <field id="TAD_CFC11_E3T"   long_name="TAD_CFC11 * E3T"                          unit="umol/m2/s" > TAD_CFC11 * e3t </field>
+       <field id="TAD_CFC11_INV"   field_ref="TAD_CFC11_E3T"                            unit="umol/m2/s" grid_ref="vert_sum" />
        <field id="LDF_CFC11"       long_name="CFC-11 Concentration"                     unit="umol/m3/s" />
        <field id="BBL_CFC11"       long_name="CFC-11 Concentration"                     unit="umol/m3/s" />
@@ -862,4 +911,5 @@
        <field id="SMS_CFC11"       long_name="CFC-11 Concentration"                     unit="umol/m3/s" />
        <field id="SMS_CFC11_E3T"   long_name="SMS_CFC11 * E3T"                          unit="umol/m2/s" > SMS_CFC11 * e3t </field>
+       <field id="SMS_CFC11_INV"   field_ref="SMS_CFC11_E3T"                            unit="umol/m2/s" grid_ref="vert_sum" />
        <field id="ATF_CFC11"       long_name="CFC-11 Concentration"                     unit="umol/m3/s" />
        <field id="RDB_CFC11"       long_name="CFC-11 Concentration"                     unit="umol/m3/s" />
@@ -867,4 +917,5 @@
        <field id="TOT_CFC11"       long_name="CFC-11 Concentration"                     unit="umol/m3/s" />
        <field id="TOT_CFC11_E3T"   long_name="TOT_CFC11 * E3T"                          unit="umol/m2/s" > TOT_CFC11 * e3t </field>
+       <field id="TOT_CFC11_INV"   field_ref="TOT_CFC11_E3T"                            unit="umol/m2/s" grid_ref="vert_sum" />
        <field id="ISO_CFC11"       long_name="CFC-11 Concentration"                     unit="umol/m3/s" > LDF_CFC11 + ZDF_CFC11 - ZDP_CFC11 </field>  
        <!-- CFC12 : variables available with key_cfc -->
@@ -874,4 +925,5 @@
        <field id="TAD_CFC12"       long_name="CFC-12 Concentration"                     unit="umol/m3/s" />
        <field id="TAD_CFC12_E3T"   long_name="TAD_CFC12 * E3T"                          unit="umol/m2/s" > TAD_CFC12 * e3t </field>
+       <field id="TAD_CFC12_INV"   field_ref="TAD_CFC12_E3T"                            unit="umol/m2/s" grid_ref="vert_sum" />
        <field id="LDF_CFC12"       long_name="CFC-12 Concentration"                     unit="umol/m3/s" />
        <field id="BBL_CFC12"       long_name="CFC-12 Concentration"                     unit="umol/m3/s" />
@@ -882,4 +934,5 @@
        <field id="SMS_CFC12"       long_name="CFC-12 Concentration"                     unit="umol/m3/s" />
        <field id="SMS_CFC12_E3T"   long_name="SMS_CFC12 * E3T"                          unit="umol/m2/s" > SMS_CFC12 * e3t </field>
+       <field id="SMS_CFC12_INV"   field_ref="SMS_CFC12_E3T"                            unit="umol/m2/s" grid_ref="vert_sum" />
        <field id="ATF_CFC12"       long_name="CFC-12 Concentration"                     unit="umol/m3/s" />
        <field id="RDB_CFC12"       long_name="CFC-12 Concentration"                     unit="umol/m3/s" />
@@ -887,4 +940,5 @@
        <field id="TOT_CFC12"       long_name="CFC-12 Concentration"                     unit="umol/m3/s" /> 
        <field id="TOT_CFC12_E3T"   long_name="TOT_CFC12 * E3T"                          unit="umol/m2/s" > TOT_CFC12 * e3t </field>
+       <field id="TOT_CFC12_INV"   field_ref="TOT_CFC12_E3T"                            unit="umol/m2/s" grid_ref="vert_sum" />
        <field id="ISO_CFC12"       long_name="CFC-12 Concentration"                     unit="umol/m3/s" > LDF_CFC12 + ZDF_CFC12 - ZDP_CFC12 </field>
        <!-- SF6 : variables available with key_cfc -->
@@ -894,4 +948,5 @@
        <field id="TAD_SF6"         long_name="SF6 Concentration"                        unit="umol/m3/s" />
        <field id="TAD_SF6_E3T"     long_name="TAD_SF6 * E3T"                            unit="umol/m2/s" > TAD_SF6 * e3t </field>
+       <field id="TAD_SF6_INV"     field_ref="TAD_SF6_E3T"                              unit="umol/m2/s" grid_ref="vert_sum" />
        <field id="LDF_SF6"         long_name="SF6 Concentration"                        unit="umol/m3/s" />
        <field id="BBL_SF6"         long_name="SF6 Concentration"                        unit="umol/m3/s" />
@@ -902,4 +957,5 @@
        <field id="SMS_SF6"         long_name="SF6 Concentration"                        unit="umol/m3/s" />
        <field id="SMS_SF6_E3T"     long_name="SMS_SF6 * E3T"                            unit="umol/m2/s" > SMS_SF6 * e3t </field>
+       <field id="SMS_SF6_INV"     field_ref="SMS_SF6_E3T"                              unit="umol/m2/s" grid_ref="vert_sum" />
        <field id="ATF_SF6"         long_name="SF6 Concentration"                        unit="umol/m3/s" />
        <field id="RDB_SF6"         long_name="SF6 Concentration"                        unit="umol/m3/s" />
@@ -907,4 +963,5 @@
        <field id="TOT_SF6"         long_name="SF6 Concentration"                        unit="umol/m3/s" />
        <field id="TOT_SF6_E3T"     long_name="TOT_SF6 * E3T"                            unit="umol/m2/s" > TOT_SF6 * e3t </field>
+       <field id="TOT_SF6_INV"     field_ref="TOT_SF6_E3T"                              unit="umol/m2/s" grid_ref="vert_sum" />
        <field id="ISO_SF6"         long_name="SF6 Concentration"                        unit="umol/m3/s" > LDF_SF6 + ZDF_SF6 - ZDP_SF6 </field>
        <!-- Bomb C14 : variables available with key_c14b -->
@@ -914,4 +971,5 @@
        <field id="TAD_C14B"        long_name="Bomb C14 Concentration"                   unit="1/s"         />
        <field id="TAD_C14B_E3T"    long_name="TAD_C14B * E3T"                           unit="1/s" > TAD_C14B * e3t </field>
+       <field id="TAD_C14B_INV"    field_ref="TAD_C14B_E3T"                             unit="1/s" grid_ref="vert_sum" />
        <field id="LDF_C14B"        long_name="Bomb C14 Concentration"                   unit="1/s"         />
        <field id="BBL_C14B"        long_name="Bomb C14 Concentration"                   unit="1/s"         />
@@ -922,4 +980,5 @@
        <field id="SMS_C14B"        long_name="Bomb C14 Concentration"                   unit="1/s"         />
        <field id="SMS_C14B_E3T"    long_name="SMS_C14B * E3T"                           unit="1/s" > SMS_C14B * e3t </field>
+       <field id="SMS_C14B_INV"    field_ref="SMS_C14B_E3T"                             unit="1/s" grid_ref="vert_sum" />
        <field id="ATF_C14B"        long_name="Bomb C14 Concentration"                   unit="1/s"         />
        <field id="RDB_C14B"        long_name="Bomb C14 Concentration"                   unit="1/s"         />
@@ -927,4 +986,5 @@
        <field id="TOT_C14B"        long_name="Bomb C14 Concentration"                   unit="1/s"         />
        <field id="TOT_C14B_E3T"    long_name="TOT_C14B * E3T"                           unit="1/s" > TOT_C14B * e3t </field>
+       <field id="TOT_C14B_INV"    field_ref="TOT_C14B_E3T"                             unit="1/s" grid_ref="vert_sum" />
        <field id="ISO_C14B"        long_name="Bomb C14 Concentration"                   unit="1/s"        > LDF_C14B + ZDF_C14B - ZDP_C14B </field>
        <!-- AGE : variables available with key_age -->
@@ -934,4 +994,5 @@
        <field id="TAD_Age"        long_name="Sea Water Age Since Surface contact" standard_name="sea_water_age_since_surface_contact"  unit="yr/s"         />
        <field id="TAD_Age_E3T"    long_name="TAD_Age * E3T"                                     unit="yr/s" > TAD_Age * e3t </field>
+       <field id="TAD_Age_INV"    field_ref="TAD_Age_E3T"                                       unit="yr/s" grid_ref="vert_sum" />
        <field id="LDF_Age"        long_name="Sea Water Age Since Surface contact" standard_name="sea_water_age_since_surface_contact"  unit="yr/s"         />
        <field id="BBL_Age"        long_name="Sea Water Age Since Surface contact" standard_name="sea_water_age_since_surface_contact"  unit="yr/s"         />
@@ -942,4 +1003,5 @@
        <field id="SMS_Age"        long_name="Sea Water Age Since Surface contact" standard_name="sea_water_age_since_surface_contact"  unit="yr/s"         />
        <field id="SMS_Age_E3T"    long_name="SMS_Age * E3T"                                     unit="yr/s" > SMS_Age * e3t </field>
+       <field id="SMS_Age_INV"    field_ref="SMS_Age_E3T"                                       unit="yr/s" grid_ref="vert_sum" />
        <field id="ATF_Age"        long_name="Sea Water Age Since Surface contact" standard_name="sea_water_age_since_surface_contact"  unit="yr/s"         />
        <field id="RDB_Age"        long_name="Sea Water Age Since Surface contact" standard_name="sea_water_age_since_surface_contact"  unit="yr/s"         />
@@ -947,4 +1009,5 @@
        <field id="TOT_Age"        long_name="Sea Water Age Since Surface contact" standard_name="sea_water_age_since_surface_contact"  unit="yr/s"         />
        <field id="TOT_Age_E3T"    long_name="TOT_Age * E3T"                                     unit="yr/s" > TOT_Age * e3t </field>
+       <field id="TOT_Age_INV"    field_ref="TOT_Age_E3T"                                       unit="yr/s" grid_ref="vert_sum" />
        <field id="ISO_Age"        long_name="Sea Water Age Since Surface contact" standard_name="sea_water_age_since_surface_contact"  unit="yr/s"  > LDF_Age + ZDF_Age - ZDP_Age  </field>
      </field_group>
@@ -1089,33 +1152,33 @@
        <!-- trd case: jptra_totad -->
        <field field_ref="TAD_CHN"      name="TAD_CHN"   />
-       <field field_ref="TAD_CHN_E3T"  name="TAD_CHN_E3T"   />
+       <field field_ref="TAD_CHN_INV"  name="TAD_CHN_INV"   />
        <field field_ref="TAD_CHD"      name="TAD_CHD"   />
-       <field field_ref="TAD_CHD_E3T"  name="TAD_CHD_E3T"   />
+       <field field_ref="TAD_CHD_INV"  name="TAD_CHD_INV"   />
        <field field_ref="TAD_PHN"      name="TAD_PHN"   />
-       <field field_ref="TAD_PHN_E3T"  name="TAD_PHN_E3T"   />
+       <field field_ref="TAD_PHN_INV"  name="TAD_PHN_INV"   />
        <field field_ref="TAD_PHD"      name="TAD_PHD"   />
-       <field field_ref="TAD_PHD_E3T"  name="TAD_PHD_E3T"   />
+       <field field_ref="TAD_PHD_INV"  name="TAD_PHD_INV"   />
        <field field_ref="TAD_ZMI"      name="TAD_ZMI"   />
-       <field field_ref="TAD_ZMI_E3T"  name="TAD_ZMI_E3T"   />
+       <field field_ref="TAD_ZMI_INV"  name="TAD_ZMI_INV"   />
        <field field_ref="TAD_ZME"      name="TAD_ZME"   />
-       <field field_ref="TAD_ZME_E3T"  name="TAD_ZME_E3T"   />
+       <field field_ref="TAD_ZME_INV"  name="TAD_ZME_INV"   />
        <field field_ref="TAD_DIN"      name="TAD_DIN"   />
-       <field field_ref="TAD_DIN_E3T"  name="TAD_DIN_E3T"   />
+       <field field_ref="TAD_DIN_INV"  name="TAD_DIN_INV"   />
        <field field_ref="TAD_SIL"      name="TAD_SIL"   />
-       <field field_ref="TAD_SIL_E3T"  name="TAD_SIL_E3T"   />
+       <field field_ref="TAD_SIL_INV"  name="TAD_SIL_INV"   />
        <field field_ref="TAD_FER"      name="TAD_FER"   />
-       <field field_ref="TAD_FER_E3T"  name="TAD_FER_E3T"   />
+       <field field_ref="TAD_FER_INV"  name="TAD_FER_INV"   />
        <field field_ref="TAD_DET"      name="TAD_DET"   />
-       <field field_ref="TAD_DET_E3T"  name="TAD_DET_E3T"   />
+       <field field_ref="TAD_DET_INV"  name="TAD_DET_INV"   />
        <field field_ref="TAD_PDS"      name="TAD_PDS"   />
-       <field field_ref="TAD_PDS_E3T"  name="TAD_PDS_E3T"   />
+       <field field_ref="TAD_PDS_INV"  name="TAD_PDS_INV"   />
        <field field_ref="TAD_DTC"      name="TAD_DTC"   />
-       <field field_ref="TAD_DTC_E3T"  name="TAD_DTC_E3T"   />
+       <field field_ref="TAD_DTC_INV"  name="TAD_DTC_INV"   />
        <field field_ref="TAD_DiC"      name="TAD_DiC"   />
-       <field field_ref="TAD_DiC_E3T"  name="TAD_DiC_E3T"   />
+       <field field_ref="TAD_DiC_INV"  name="TAD_DiC_INV"   />
        <field field_ref="TAD_ALK"      name="TAD_ALK"   />
-       <field field_ref="TAD_ALK_E3T"  name="TAD_ALK_E3T"   />
+       <field field_ref="TAD_ALK_INV"  name="TAD_ALK_INV"   />
        <field field_ref="TAD_OXY"      name="TAD_OXY"   />
-       <field field_ref="TAD_OXY_E3T"  name="TAD_OXY_E3T"   />
+       <field field_ref="TAD_OXY_INV"  name="TAD_OXY_INV"   />
        <!-- trd case: jptra_ldf -->
        <field field_ref="LDF_CHN"      name="LDF_CHN"   />
@@ -1216,33 +1279,33 @@
        <!-- trd case: jptra_sms -->
        <field field_ref="SMS_CHN"      name="SMS_CHN"   />
-       <field field_ref="SMS_CHN_E3T"  name="SMS_CHN_E3T"   />
+       <field field_ref="SMS_CHN_INV"  name="SMS_CHN_INV"   />
        <field field_ref="SMS_CHD"      name="SMS_CHD"   />
-       <field field_ref="SMS_CHD_E3T"  name="SMS_CHD_E3T"   />
+       <field field_ref="SMS_CHD_INV"  name="SMS_CHD_INV"   />
        <field field_ref="SMS_PHN"      name="SMS_PHN"   />
-       <field field_ref="SMS_PHN_E3T"  name="SMS_PHN_E3T"   />
+       <field field_ref="SMS_PHN_INV"  name="SMS_PHN_INV"   />
        <field field_ref="SMS_PHD"      name="SMS_PHD"   />
-       <field field_ref="SMS_PHD_E3T"  name="SMS_PHD_E3T"   />
+       <field field_ref="SMS_PHD_INV"  name="SMS_PHD_INV"   />
        <field field_ref="SMS_ZMI"      name="SMS_ZMI"   />
-       <field field_ref="SMS_ZMI_E3T"  name="SMS_ZMI_E3T"   />
+       <field field_ref="SMS_ZMI_INV"  name="SMS_ZMI_INV"   />
        <field field_ref="SMS_ZME"      name="SMS_ZME"   />
-       <field field_ref="SMS_ZME_E3T"  name="SMS_ZME_E3T"   />
+       <field field_ref="SMS_ZME_INV"  name="SMS_ZME_INV"   />
        <field field_ref="SMS_DIN"      name="SMS_DIN"   />
-       <field field_ref="SMS_DIN_E3T"  name="SMS_DIN_E3T"   />
+       <field field_ref="SMS_DIN_INV"  name="SMS_DIN_INV"   />
        <field field_ref="SMS_SIL"      name="SMS_SIL"   />
-       <field field_ref="SMS_SIL_E3T"  name="SMS_SIL_E3T"   />
+       <field field_ref="SMS_SIL_INV"  name="SMS_SIL_INV"   />
        <field field_ref="SMS_FER"      name="SMS_FER"   />
-       <field field_ref="SMS_FER_E3T"  name="SMS_FER_E3T"   />
+       <field field_ref="SMS_FER_INV"  name="SMS_FER_INV"   />
        <field field_ref="SMS_DET"      name="SMS_DET"   />
-       <field field_ref="SMS_DET_E3T"  name="SMS_DET_E3T"   />
+       <field field_ref="SMS_DET_INV"  name="SMS_DET_INV"   />
        <field field_ref="SMS_PDS"      name="SMS_PDS"   />
-       <field field_ref="SMS_PDS_E3T"  name="SMS_PDS_E3T"   />
+       <field field_ref="SMS_PDS_INV"  name="SMS_PDS_INV"   />
        <field field_ref="SMS_DTC"      name="SMS_DTC"   />
-       <field field_ref="SMS_DTC_E3T"  name="SMS_DTC_E3T"   />
+       <field field_ref="SMS_DTC_INV"  name="SMS_DTC_INV"   />
        <field field_ref="SMS_DiC"      name="SMS_DiC"   /> 
-       <field field_ref="SMS_DiC_E3T"  name="SMS_DiC_E3T"   />
+       <field field_ref="SMS_DiC_INV"  name="SMS_DiC_INV"   />
        <field field_ref="SMS_ALK"      name="SMS_ALK"   />
-       <field field_ref="SMS_ALK_E3T"  name="SMS_ALK_E3T"   />
+       <field field_ref="SMS_ALK_INV"  name="SMS_ALK_INV"   />
        <field field_ref="SMS_OXY"      name="SMS_OXY"   />
-       <field field_ref="SMS_OXY_E3T"  name="SMS_OXY_E3T"   />
+       <field field_ref="SMS_OXY_INV"  name="SMS_OXY_INV"   />
        <!-- trd case: jptra_atf -->
        <field field_ref="ATF_CHN"      name="ATF_CHN"   />
@@ -1263,32 +1326,33 @@
        <!-- trd case: jptra_tot -->   
        <field field_ref="TOT_CHN"      name="TOT_CHN"   />
-       <field field_ref="TOT_CHN_E3T"  name="TOT_CHN_E3T"   />
+       <field field_ref="TOT_CHN_INV"  name="TOT_CHN_INV"   />
        <field field_ref="TOT_CHD"      name="TOT_CHD"   />
-       <field field_ref="TOT_CHD_E3T"  name="TOT_CHD_E3T"   />
+       <field field_ref="TOT_CHD_INV"  name="TOT_CHD_INV"   />
        <field field_ref="TOT_PHN"      name="TOT_PHN"   />
-       <field field_ref="TOT_PHN_E3T"  name="TOT_PHN_E3T"   />
+       <field field_ref="TOT_PHN_INV"  name="TOT_PHN_INV"   />
        <field field_ref="TOT_PHD"      name="TOT_PHD"   />
-       <field field_ref="TOT_PHD_E3T"  name="TOT_PHD_E3T"   />
+       <field field_ref="TOT_PHD_INV"  name="TOT_PHD_INV"   />
        <field field_ref="TOT_ZMI"      name="TOT_ZMI"   />
+       <field field_ref="TOT_ZMI_INV"  name="TOT_ZMI_INV"   />
        <field field_ref="TOT_ZME"      name="TOT_ZME"   />
-       <field field_ref="TOT_ZME_E3T"  name="TOT_ZME_E3T"   />
+       <field field_ref="TOT_ZME_INV"  name="TOT_ZME_INV"   />
        <field field_ref="TOT_DIN"      name="TOT_DIN"   />
-       <field field_ref="TOT_DIN_E3T"  name="TOT_DIN_E3T"   />
+       <field field_ref="TOT_DIN_INV"  name="TOT_DIN_INV"   />
        <field field_ref="TOT_SIL"      name="TOT_SIL"   />
-       <field field_ref="TOT_SIL_E3T"  name="TOT_SIL_E3T"   />
+       <field field_ref="TOT_SIL_INV"  name="TOT_SIL_INV"   />
        <field field_ref="TOT_FER"      name="TOT_FER"   />
-       <field field_ref="TOT_FER_E3T"  name="TOT_FER_E3T"   />
+       <field field_ref="TOT_FER_INV"  name="TOT_FER_INV"   />
        <field field_ref="TOT_DET"      name="TOT_DET"   />
-       <field field_ref="TOT_DET_E3T"  name="TOT_DET_E3T"   />
+       <field field_ref="TOT_DET_INV"  name="TOT_DET_INV"   />
        <field field_ref="TOT_PDS"      name="TOT_PDS"   />
-       <field field_ref="TOT_PDS_E3T"  name="TOT_PDS_E3T"   />
+       <field field_ref="TOT_PDS_INV"  name="TOT_PDS_INV"   />
        <field field_ref="TOT_DTC"      name="TOT_DTC"   />
-       <field field_ref="TOT_DTC_E3T"  name="TOT_DTC_E3T"   />
+       <field field_ref="TOT_DTC_INV"  name="TOT_DTC_INV"   />
        <field field_ref="TOT_DiC"      name="TOT_DiC"   />
-       <field field_ref="TOT_DiC_E3T"  name="TOT_DiC_E3T"   />
+       <field field_ref="TOT_DiC_INV"  name="TOT_DiC_INV"   />
        <field field_ref="TOT_ALK"      name="TOT_ALK"   />   
-       <field field_ref="TOT_ALK_E3T"  name="TOT_ALK_E3T"   />
+       <field field_ref="TOT_ALK_INV"  name="TOT_ALK_INV"   />
        <field field_ref="TOT_OXY"      name="TOT_OXY"   />
-       <field field_ref="TOT_OXY_E3T"  name="TOT_OXY_E3T"   />  
+       <field field_ref="TOT_OXY_INV"  name="TOT_OXY_INV"   />  
        <!-- trd case: jptra_iso -->
        <field field_ref="ISO_CHN"      name="ISO_CHN"   />   
@@ -1312,10 +1376,10 @@
           <!-- cfc11 -->
           <field field_ref="TOT_CFC11"     name="TOT_CFC11"     standard_name="CFC-11_Concentration"                  />
-          <field field_ref="TOT_CFC11_E3T" name="TOT_CFC11_E3T" standard_name="CFC-11_Concentration"                  />
+          <field field_ref="TOT_CFC11_INV" name="TOT_CFC11_INV" standard_name="CFC-11_Concentration"                  />
           <field field_ref="XAD_CFC11"     name="XAD_CFC11"     standard_name="CFC-11_Concentration"                  />
           <field field_ref="YAD_CFC11"     name="YAD_CFC11"     standard_name="CFC-11_Concentration"                  />
           <field field_ref="ZAD_CFC11"     name="ZAD_CFC11"     standard_name="CFC-11_Concentration"                  />
           <field field_ref="TAD_CFC11"     name="TAD_CFC11"     standard_name="CFC-11_Concentration"                  />
-          <field field_ref="TAD_CFC11_E3T" name="TAD_CFC11_E3T" standard_name="CFC-11_Concentration"                  />
+          <field field_ref="TAD_CFC11_INV" name="TAD_CFC11_INV" standard_name="CFC-11_Concentration"                  />
           <field field_ref="LDF_CFC11"     name="LDF_CFC11"     standard_name="CFC-11_Concentration"                  />
           <field field_ref="BBL_CFC11"     name="BBL_CFC11"     standard_name="CFC-11_Concentration"                  />
@@ -1325,5 +1389,5 @@
           <field field_ref="DMP_CFC11"     name="DMP_CFC11"     standard_name="CFC-11_Concentration"                  />
           <field field_ref="SMS_CFC11"     name="SMS_CFC11"     standard_name="CFC-11_Concentration"                  />
-          <field field_ref="SMS_CFC11_E3T" name="SMS_CFC11_E3T" standard_name="CFC-11_Concentration"                  />
+          <field field_ref="SMS_CFC11_INV" name="SMS_CFC11_INV" standard_name="CFC-11_Concentration"                  />
           <field field_ref="ATF_CFC11"     name="ATF_CFC11"     standard_name="CFC-11_Concentration"                  />
           <field field_ref="ISO_CFC11"     name="ISO_CFC11"     standard_name="CFC-11_Concentration"                  />
@@ -1333,10 +1397,10 @@
           <!-- cfc12 -->
           <field field_ref="TOT_CFC12"     name="TOT_CFC12"     standard_name="CFC-12_Concentration"                  />
-          <field field_ref="TOT_CFC12_E3T" name="TOT_CFC12_E3T" standard_name="CFC-12_Concentration"                  />
+          <field field_ref="TOT_CFC12_INV" name="TOT_CFC12_INV" standard_name="CFC-12_Concentration"                  />
           <field field_ref="XAD_CFC12"     name="XAD_CFC12"     standard_name="CFC-12_Concentration"                  />
           <field field_ref="YAD_CFC12"     name="YAD_CFC12"     standard_name="CFC-12_Concentration"                  />
           <field field_ref="ZAD_CFC12"     name="ZAD_CFC12"     standard_name="CFC-12_Concentration"                  />
           <field field_ref="TAD_CFC12"     name="TAD_CFC12"     standard_name="CFC-12_Concentration"                  />
-          <field field_ref="TAD_CFC12_E3T" name="TAD_CFC12_E3T" standard_name="CFC-12_Concentration"                  />
+          <field field_ref="TAD_CFC12_INV" name="TAD_CFC12_INV" standard_name="CFC-12_Concentration"                  />
           <field field_ref="LDF_CFC12"     name="LDF_CFC12"     standard_name="CFC-12_Concentration"                  />
           <field field_ref="BBL_CFC12"     name="BBL_CFC12"     standard_name="CFC-12_Concentration"                  />
@@ -1346,5 +1410,5 @@
           <field field_ref="DMP_CFC12"     name="DMP_CFC12"     standard_name="CFC-12_Concentration"                  />
           <field field_ref="SMS_CFC12"     name="SMS_CFC12"     standard_name="CFC-12_Concentration"                  />
-          <field field_ref="SMS_CFC12_E3T" name="SMS_CFC12_E3T" standard_name="CFC-12_Concentration"                  />
+          <field field_ref="SMS_CFC12_INV" name="SMS_CFC12_INV" standard_name="CFC-12_Concentration"                  />
           <field field_ref="ATF_CFC12"     name="ATF_CFC12"     standard_name="CFC-12_Concentration"                  />
           <field field_ref="ISO_CFC12"     name="ISO_CFC12"     standard_name="CFC-12_Concentration"                  />
@@ -1354,10 +1418,10 @@
           <!-- sf6 -->
           <field field_ref="TOT_SF6"      name="TOT_SF6"      standard_name="SF6_Concentration"                     />
-          <field field_ref="TOT_SF6_E3T"  name="TOT_SF6_E3T"  standard_name="SF6_Concentration"                     />
+          <field field_ref="TOT_SF6_INV"  name="TOT_SF6_INV"  standard_name="SF6_Concentration"                     />
           <field field_ref="XAD_SF6"      name="XAD_SF6"      standard_name="SF6_Concentration"                     />
           <field field_ref="YAD_SF6"      name="YAD_SF6"      standard_name="SF6_Concentration"                     />
           <field field_ref="ZAD_SF6"      name="ZAD_SF6"      standard_name="SF6_Concentration"                     />
           <field field_ref="TAD_SF6"      name="TAD_SF6"      standard_name="SF6_Concentration"                     />
-          <field field_ref="TAD_SF6_E3T"  name="TAD_SF6_E3T"  standard_name="SF6_Concentration"                     />
+          <field field_ref="TAD_SF6_INV"  name="TAD_SF6_INV"  standard_name="SF6_Concentration"                     />
           <field field_ref="LDF_SF6"      name="LDF_SF6"      standard_name="SF6_Concentration"                     />
           <field field_ref="BBL_SF6"      name="BBL_SF6"      standard_name="SF6_Concentration"                     />
@@ -1367,5 +1431,5 @@
           <field field_ref="DMP_SF6"      name="DMP_SF6"      standard_name="SF6_Concentration"                     />
           <field field_ref="SMS_SF6"      name="SMS_SF6"      standard_name="SF6_Concentration"                     />
-          <field field_ref="SMS_SF6_E3T"  name="SMS_SF6_E3T"  standard_name="SF6_Concentration"                     />
+          <field field_ref="SMS_SF6_INV"  name="SMS_SF6_INV"  standard_name="SF6_Concentration"                     />
           <field field_ref="ATF_SF6"      name="ATF_SF6"      standard_name="SF6_Concentration"                     />
           <field field_ref="ISO_SF6"      name="ISO_SF6"      standard_name="SF6_Concentration"                     />
@@ -1375,10 +1439,10 @@
           <!-- age -->
           <field field_ref="TOT_Age"      name="TOT_Age"      standard_name="sea_water_age_since_surface_contact"   />
-          <field field_ref="TOT_Age_E3T"  name="TOT_Age_E3T"  standard_name="sea_water_age_since_surface_contact"   />
+          <field field_ref="TOT_Age_INV"  name="TOT_Age_INV"  standard_name="sea_water_age_since_surface_contact"   />
           <field field_ref="XAD_Age"      name="XAD_Age"      standard_name="sea_water_age_since_surface_contact"   />
           <field field_ref="YAD_Age"      name="YAD_Age"      standard_name="sea_water_age_since_surface_contact"   />
           <field field_ref="ZAD_Age"      name="ZAD_Age"      standard_name="sea_water_age_since_surface_contact"   />
           <field field_ref="TAD_Age"      name="TAD_Age"      standard_name="sea_water_age_since_surface_contact"   />
-          <field field_ref="TAD_Age_E3T"  name="TAD_Age_E3T"  standard_name="sea_water_age_since_surface_contact"   />
+          <field field_ref="TAD_Age_INV"  name="TAD_Age_INV"  standard_name="sea_water_age_since_surface_contact"   />
           <field field_ref="LDF_Age"      name="LDF_Age"      standard_name="sea_water_age_since_surface_contact"   />
           <field field_ref="BBL_Age"      name="BBL_Age"      standard_name="sea_water_age_since_surface_contact"   />
@@ -1388,5 +1452,5 @@
           <field field_ref="DMP_Age"      name="DMP_Age"      standard_name="sea_water_age_since_surface_contact"   />
           <field field_ref="SMS_Age"      name="SMS_Age"      standard_name="sea_water_age_since_surface_contact"   />
-          <field field_ref="SMS_Age_E3T"  name="SMS_Age_E3T"  standard_name="sea_water_age_since_surface_contact"   />
+          <field field_ref="SMS_Age_INV"  name="SMS_Age_INV"  standard_name="sea_water_age_since_surface_contact"   />
           <field field_ref="ATF_Age"      name="ATF_Age"      standard_name="sea_water_age_since_surface_contact"   />
           <field field_ref="ISO_Age"      name="ISO_Age"      standard_name="sea_water_age_since_surface_contact"   />
@@ -1396,10 +1460,10 @@
           <!-- Ideal tracer -->
           <field field_ref="TOT_IDTRA"      name="TOT_IDTRA"      standard_name="IDTRA_Concentration"               />
-          <field field_ref="TOT_IDTRA_E3T"  name="TOT_IDTRA_E3T"  standard_name="IDTRA_Concentration"               />
+          <field field_ref="TOT_IDTRA_INV"  name="TOT_IDTRA_INV"  standard_name="IDTRA_Concentration"               />
           <field field_ref="XAD_IDTRA"      name="XAD_IDTRA"      standard_name="IDTRA_Concentration"               />
           <field field_ref="YAD_IDTRA"      name="YAD_IDTRA"      standard_name="IDTRA_Concentration"               />
           <field field_ref="ZAD_IDTRA"      name="ZAD_IDTRA"      standard_name="IDTRA_Concentration"               />
           <field field_ref="TAD_IDTRA"      name="TAD_IDTRA"      standard_name="IDTRA_Concentration"               />
-          <field field_ref="TAD_IDTRA_E3T"  name="TAD_IDTRA_E3T"  standard_name="IDTRA_Concentration"               />
+          <field field_ref="TAD_IDTRA_INV"  name="TAD_IDTRA_INV"  standard_name="IDTRA_Concentration"               />
           <field field_ref="LDF_IDTRA"      name="LDF_IDTRA"      standard_name="IDTRA_Concentration"               />
           <field field_ref="BBL_IDTRA"      name="BBL_IDTRA"      standard_name="IDTRA_Concentration"               />
@@ -1409,5 +1473,5 @@
           <field field_ref="DMP_IDTRA"      name="DMP_IDTRA"      standard_name="IDTRA_Concentration"               />
           <field field_ref="SMS_IDTRA"      name="SMS_IDTRA"      standard_name="IDTRA_Concentration"               />
-          <field field_ref="SMS_IDTRA_E3T"  name="SMS_IDTRA_E3T"  standard_name="IDTRA_Concentration"               />
+          <field field_ref="SMS_IDTRA_INV"  name="SMS_IDTRA_INV"  standard_name="IDTRA_Concentration"               />
           <field field_ref="ATF_IDTRA"      name="ATF_IDTRA"      standard_name="IDTRA_Concentration"               />
           <field field_ref="ISO_IDTRA"      name="ISO_IDTRA"      standard_name="IDTRA_Concentration"               />
@@ -1417,10 +1481,10 @@
           <!-- c14 bomb -->
           <field field_ref="TOT_C14B"      name="TOT_C14B"      standard_name="C14b_Concentration"               />
-          <field field_ref="TOT_C14B_E3T"  name="TOT_C14B_E3T"  standard_name="C14b_Concentration"               />
+          <field field_ref="TOT_C14B_INV"  name="TOT_C14B_INV"  standard_name="C14b_Concentration"               />
           <field field_ref="XAD_C14B"      name="XAD_C14B"      standard_name="C14b_Concentration"               />
           <field field_ref="YAD_C14B"      name="YAD_C14B"      standard_name="C14b_Concentration"               />
           <field field_ref="ZAD_C14B"      name="ZAD_C14B"      standard_name="C14b_Concentration"               />
           <field field_ref="TAD_C14B"      name="TAD_C14B"      standard_name="C14b_Concentration"               />
-          <field field_ref="TAD_C14B_E3T"  name="TAD_C14B_E3T"  standard_name="C14b_Concentration"               />
+          <field field_ref="TAD_C14B_INV"  name="TAD_C14B_INV"  standard_name="C14b_Concentration"               />
           <field field_ref="LDF_C14B"      name="LDF_C14B"      standard_name="C14b_Concentration"               />
           <field field_ref="BBL_C14B"      name="BBL_C14B"      standard_name="C14b_Concentration"               />
@@ -1430,5 +1494,5 @@
           <field field_ref="DMP_C14B"      name="DMP_C14B"      standard_name="C14b_Concentration"               />
           <field field_ref="SMS_C14B"      name="SMS_C14B"      standard_name="C14b_Concentration"               />
-          <field field_ref="SMS_C14B_E3T"  name="SMS_C14B_E3T"  standard_name="C14b_Concentration"               />
+          <field field_ref="SMS_C14B_INV"  name="SMS_C14B_INV"  standard_name="C14b_Concentration"               />
           <field field_ref="ATF_C14B"      name="ATF_C14B"      standard_name="C14b_Concentration"               />
           <field field_ref="ISO_C14B"      name="ISO_C14B"      standard_name="C14b_Concentration"               />
@@ -1439,94 +1503,95 @@
        <!-- trd case: jptra_totad -->
        <field field_ref="TAD_CHN"      name="TAD_CHN"   />
-       <field field_ref="TAD_CHN_E3T"  name="TAD_CHN_E3T"   />
+       <field field_ref="TAD_CHN_INV"  name="TAD_CHN_INV"   />
        <field field_ref="TAD_CHD"      name="TAD_CHD"   />
-       <field field_ref="TAD_CHD_E3T"  name="TAD_CHD_E3T"   />
+       <field field_ref="TAD_CHD_INV"  name="TAD_CHD_INV"   />
        <field field_ref="TAD_PHN"      name="TAD_PHN"   />
-       <field field_ref="TAD_PHN_E3T"  name="TAD_PHN_E3T"   />
+       <field field_ref="TAD_PHN_INV"  name="TAD_PHN_INV"   />
        <field field_ref="TAD_PHD"      name="TAD_PHD"   />
-       <field field_ref="TAD_PHD_E3T"  name="TAD_PHD_E3T"   />
+       <field field_ref="TAD_PHD_INV"  name="TAD_PHD_INV"   />
        <field field_ref="TAD_ZMI"      name="TAD_ZMI"   />
-       <field field_ref="TAD_ZMI_E3T"  name="TAD_ZMI_E3T"   />
+       <field field_ref="TAD_ZMI_INV"  name="TAD_ZMI_INV"   />
        <field field_ref="TAD_ZME"      name="TAD_ZME"   />
-       <field field_ref="TAD_ZME_E3T"  name="TAD_ZME_E3T"   />
+       <field field_ref="TAD_ZME_INV"  name="TAD_ZME_INV"   />
        <field field_ref="TAD_DIN"      name="TAD_DIN"   />
-       <field field_ref="TAD_DIN_E3T"  name="TAD_DIN_E3T"   />
+       <field field_ref="TAD_DIN_INV"  name="TAD_DIN_INV"   />
        <field field_ref="TAD_SIL"      name="TAD_SIL"   />
-       <field field_ref="TAD_SIL_E3T"  name="TAD_SIL_E3T"   />
+       <field field_ref="TAD_SIL_INV"  name="TAD_SIL_INV"   />
        <field field_ref="TAD_FER"      name="TAD_FER"   />
-       <field field_ref="TAD_FER_E3T"  name="TAD_FER_E3T"   />
+       <field field_ref="TAD_FER_INV"  name="TAD_FER_INV"   />
        <field field_ref="TAD_DET"      name="TAD_DET"   />
-       <field field_ref="TAD_DET_E3T"  name="TAD_DET_E3T"   />
+       <field field_ref="TAD_DET_INV"  name="TAD_DET_INV"   />
        <field field_ref="TAD_PDS"      name="TAD_PDS"   />
-       <field field_ref="TAD_PDS_E3T"  name="TAD_PDS_E3T"   />
+       <field field_ref="TAD_PDS_INV"  name="TAD_PDS_INV"   />
        <field field_ref="TAD_DTC"      name="TAD_DTC"   />
-       <field field_ref="TAD_DTC_E3T"  name="TAD_DTC_E3T"   />
+       <field field_ref="TAD_DTC_INV"  name="TAD_DTC_INV"   />
        <field field_ref="TAD_DiC"      name="TAD_DiC"   />
-       <field field_ref="TAD_DiC_E3T"  name="TAD_DiC_E3T"   />
+       <field field_ref="TAD_DiC_INV"  name="TAD_DiC_INV"   />
        <field field_ref="TAD_ALK"      name="TAD_ALK"   />
-       <field field_ref="TAD_ALK_E3T"  name="TAD_ALK_E3T"   />
+       <field field_ref="TAD_ALK_INV"  name="TAD_ALK_INV"   />
        <field field_ref="TAD_OXY"      name="TAD_OXY"   />
-       <field field_ref="TAD_OXY_E3T"  name="TAD_OXY_E3T"   />
+       <field field_ref="TAD_OXY_INV"  name="TAD_OXY_INV"   />
        <!-- trd case: jptra_sms -->
        <field field_ref="SMS_CHN"      name="SMS_CHN"   />
-       <field field_ref="SMS_CHN_E3T"  name="SMS_CHN_E3T"   />
+       <field field_ref="SMS_CHN_INV"  name="SMS_CHN_INV"   />
        <field field_ref="SMS_CHD"      name="SMS_CHD"   />
-       <field field_ref="SMS_CHD_E3T"  name="SMS_CHD_E3T"   />
+       <field field_ref="SMS_CHD_INV"  name="SMS_CHD_INV"   />
        <field field_ref="SMS_PHN"      name="SMS_PHN"   />
-       <field field_ref="SMS_PHN_E3T"  name="SMS_PHN_E3T"   />
+       <field field_ref="SMS_PHN_INV"  name="SMS_PHN_INV"   />
        <field field_ref="SMS_PHD"      name="SMS_PHD"   />
-       <field field_ref="SMS_PHD_E3T"  name="SMS_PHD_E3T"   />
+       <field field_ref="SMS_PHD_INV"  name="SMS_PHD_INV"   />
        <field field_ref="SMS_ZMI"      name="SMS_ZMI"   />
-       <field field_ref="SMS_ZMI_E3T"  name="SMS_ZMI_E3T"   />
+       <field field_ref="SMS_ZMI_INV"  name="SMS_ZMI_INV"   />
        <field field_ref="SMS_ZME"      name="SMS_ZME"   />
-       <field field_ref="SMS_ZME_E3T"  name="SMS_ZME_E3T"   />
+       <field field_ref="SMS_ZME_INV"  name="SMS_ZME_INV"   />
        <field field_ref="SMS_DIN"      name="SMS_DIN"   />
-       <field field_ref="SMS_DIN_E3T"  name="SMS_DIN_E3T"   />
+       <field field_ref="SMS_DIN_INV"  name="SMS_DIN_INV"   />
        <field field_ref="SMS_SIL"      name="SMS_SIL"   />
-       <field field_ref="SMS_SIL_E3T"  name="SMS_SIL_E3T"   />
+       <field field_ref="SMS_SIL_INV"  name="SMS_SIL_INV"   />
        <field field_ref="SMS_FER"      name="SMS_FER"   />
-       <field field_ref="SMS_FER_E3T"  name="SMS_FER_E3T"   />
+       <field field_ref="SMS_FER_INV"  name="SMS_FER_INV"   />
        <field field_ref="SMS_DET"      name="SMS_DET"   />
-       <field field_ref="SMS_DET_E3T"  name="SMS_DET_E3T"   />
+       <field field_ref="SMS_DET_INV"  name="SMS_DET_INV"   />
        <field field_ref="SMS_PDS"      name="SMS_PDS"   />
-       <field field_ref="SMS_PDS_E3T"  name="SMS_PDS_E3T"   />
+       <field field_ref="SMS_PDS_INV"  name="SMS_PDS_INV"   />
        <field field_ref="SMS_DTC"      name="SMS_DTC"   />
-       <field field_ref="SMS_DTC_E3T"  name="SMS_DTC_E3T"   />
+       <field field_ref="SMS_DTC_INV"  name="SMS_DTC_INV"   />
        <field field_ref="SMS_DiC"      name="SMS_DiC"   /> 
-       <field field_ref="SMS_DiC_E3T"  name="SMS_DiC_E3T"   />
+       <field field_ref="SMS_DiC_INV"  name="SMS_DiC_INV"   />
        <field field_ref="SMS_ALK"      name="SMS_ALK"   />
-       <field field_ref="SMS_ALK_E3T"  name="SMS_ALK_E3T"   />
+       <field field_ref="SMS_ALK_INV"  name="SMS_ALK_INV"   />
        <field field_ref="SMS_OXY"      name="SMS_OXY"   />
-       <field field_ref="SMS_OXY_E3T"  name="SMS_OXY_E3T"   />
+       <field field_ref="SMS_OXY_INV"  name="SMS_OXY_INV"   />
        <!-- trd case: jptra_tot -->   
        <field field_ref="TOT_CHN"      name="TOT_CHN"   />
-       <field field_ref="TOT_CHN_E3T"  name="TOT_CHN_E3T"   />
+       <field field_ref="TOT_CHN_INV"  name="TOT_CHN_INV"   />
        <field field_ref="TOT_CHD"      name="TOT_CHD"   />
-       <field field_ref="TOT_CHD_E3T"  name="TOT_CHD_E3T"   />
+       <field field_ref="TOT_CHD_INV"  name="TOT_CHD_INV"   />
        <field field_ref="TOT_PHN"      name="TOT_PHN"   />
-       <field field_ref="TOT_PHN_E3T"  name="TOT_PHN_E3T"   />
+       <field field_ref="TOT_PHN_INV"  name="TOT_PHN_INV"   />
        <field field_ref="TOT_PHD"      name="TOT_PHD"   />
-       <field field_ref="TOT_PHD_E3T"  name="TOT_PHD_E3T"   />
+       <field field_ref="TOT_PHD_INV"  name="TOT_PHD_INV"   />
        <field field_ref="TOT_ZMI"      name="TOT_ZMI"   />
+       <field field_ref="TOT_ZMI_INV"  name="TOT_ZMI_INV"   />
        <field field_ref="TOT_ZME"      name="TOT_ZME"   />
-       <field field_ref="TOT_ZME_E3T"  name="TOT_ZME_E3T"   />
+       <field field_ref="TOT_ZME_INV"  name="TOT_ZME_INV"   />
        <field field_ref="TOT_DIN"      name="TOT_DIN"   />
-       <field field_ref="TOT_DIN_E3T"  name="TOT_DIN_E3T"   />
+       <field field_ref="TOT_DIN_INV"  name="TOT_DIN_INV"   />
        <field field_ref="TOT_SIL"      name="TOT_SIL"   />
-       <field field_ref="TOT_SIL_E3T"  name="TOT_SIL_E3T"   />
+       <field field_ref="TOT_SIL_INV"  name="TOT_SIL_INV"   />
        <field field_ref="TOT_FER"      name="TOT_FER"   />
-       <field field_ref="TOT_FER_E3T"  name="TOT_FER_E3T"   />
+       <field field_ref="TOT_FER_INV"  name="TOT_FER_INV"   />
        <field field_ref="TOT_DET"      name="TOT_DET"   />
-       <field field_ref="TOT_DET_E3T"  name="TOT_DET_E3T"   />
+       <field field_ref="TOT_DET_INV"  name="TOT_DET_INV"   />
        <field field_ref="TOT_PDS"      name="TOT_PDS"   />
-       <field field_ref="TOT_PDS_E3T"  name="TOT_PDS_E3T"   />
+       <field field_ref="TOT_PDS_INV"  name="TOT_PDS_INV"   />
        <field field_ref="TOT_DTC"      name="TOT_DTC"   />
-       <field field_ref="TOT_DTC_E3T"  name="TOT_DTC_E3T"   />
+       <field field_ref="TOT_DTC_INV"  name="TOT_DTC_INV"   />
        <field field_ref="TOT_DiC"      name="TOT_DiC"   />
-       <field field_ref="TOT_DiC_E3T"  name="TOT_DiC_E3T"   />
+       <field field_ref="TOT_DiC_INV"  name="TOT_DiC_INV"   />
        <field field_ref="TOT_ALK"      name="TOT_ALK"   />   
-       <field field_ref="TOT_ALK_E3T"  name="TOT_ALK_E3T"   />
+       <field field_ref="TOT_ALK_INV"  name="TOT_ALK_INV"   />
        <field field_ref="TOT_OXY"      name="TOT_OXY"   />
-       <field field_ref="TOT_OXY_E3T"  name="TOT_OXY_E3T"   />  
+       <field field_ref="TOT_OXY_INV"  name="TOT_OXY_INV"   />  
     </field_group>
 
@@ -1534,9 +1599,9 @@
           <!-- cfc11 -->
           <field field_ref="TOT_CFC11"     name="TOT_CFC11"     standard_name="CFC-11_Concentration"                  />
-          <field field_ref="TOT_CFC11_E3T" name="TOT_CFC11_E3T" standard_name="CFC-11_Concentration"                  />
+          <field field_ref="TOT_CFC11_INV" name="TOT_CFC11_INV" standard_name="CFC-11_Concentration"                  />
           <field field_ref="TAD_CFC11"     name="TAD_CFC11"     standard_name="CFC-11_Concentration"                  />
-          <field field_ref="TAD_CFC11_E3T" name="TAD_CFC11_E3T" standard_name="CFC-11_Concentration"                  />
+          <field field_ref="TAD_CFC11_INV" name="TAD_CFC11_INV" standard_name="CFC-11_Concentration"                  />
           <field field_ref="SMS_CFC11"     name="SMS_CFC11"     standard_name="CFC-11_Concentration"                  />
-          <field field_ref="SMS_CFC11_E3T" name="SMS_CFC11_E3T" standard_name="CFC-11_Concentration"                  />
+          <field field_ref="SMS_CFC11_INV" name="SMS_CFC11_INV" standard_name="CFC-11_Concentration"                  />
    </field_group>
 
@@ -1544,9 +1609,9 @@
           <!-- cfc12 -->
           <field field_ref="TOT_CFC12"     name="TOT_CFC12"     standard_name="CFC-12_Concentration"                  />
-          <field field_ref="TOT_CFC12_E3T" name="TOT_CFC12_E3T" standard_name="CFC-12_Concentration"                  />
+          <field field_ref="TOT_CFC12_INV" name="TOT_CFC12_INV" standard_name="CFC-12_Concentration"                  />
           <field field_ref="TAD_CFC12"     name="TAD_CFC12"     standard_name="CFC-12_Concentration"                  />
-          <field field_ref="TAD_CFC12_E3T" name="TAD_CFC12_E3T" standard_name="CFC-12_Concentration"                  />
+          <field field_ref="TAD_CFC12_INV" name="TAD_CFC12_INV" standard_name="CFC-12_Concentration"                  />
           <field field_ref="SMS_CFC12"     name="SMS_CFC12"     standard_name="CFC-12_Concentration"                  />
-          <field field_ref="SMS_CFC12_E3T" name="SMS_CFC12_E3T" standard_name="CFC-12_Concentration"                  />
+          <field field_ref="SMS_CFC12_INV" name="SMS_CFC12_INV" standard_name="CFC-12_Concentration"                  />
    </field_group>
 
@@ -1554,9 +1619,9 @@
           <!-- sf6 -->
           <field field_ref="TOT_SF6"      name="TOT_SF6"      standard_name="SF6_Concentration"                     />
-          <field field_ref="TOT_SF6_E3T"  name="TOT_SF6_E3T"  standard_name="SF6_Concentration"                     />
+          <field field_ref="TOT_SF6_INV"  name="TOT_SF6_INV"  standard_name="SF6_Concentration"                     />
           <field field_ref="TAD_SF6"      name="TAD_SF6"      standard_name="SF6_Concentration"                     />
-          <field field_ref="TAD_SF6_E3T"  name="TAD_SF6_E3T"  standard_name="SF6_Concentration"                     />
+          <field field_ref="TAD_SF6_INV"  name="TAD_SF6_INV"  standard_name="SF6_Concentration"                     />
           <field field_ref="SMS_SF6"      name="SMS_SF6"      standard_name="SF6_Concentration"                     />
-          <field field_ref="SMS_SF6_E3T"  name="SMS_SF6_E3T"  standard_name="SF6_Concentration"                     />
+          <field field_ref="SMS_SF6_INV"  name="SMS_SF6_INV"  standard_name="SF6_Concentration"                     />
    </field_group>
 
@@ -1564,9 +1629,9 @@
           <!-- age -->
           <field field_ref="TOT_Age"      name="TOT_Age"      standard_name="sea_water_age_since_surface_contact"   />
-          <field field_ref="TOT_Age_E3T"  name="TOT_Age_E3T"  standard_name="sea_water_age_since_surface_contact"   />
+          <field field_ref="TOT_Age_INV"  name="TOT_Age_INV"  standard_name="sea_water_age_since_surface_contact"   />
           <field field_ref="TAD_Age"      name="TAD_Age"      standard_name="sea_water_age_since_surface_contact"   />
-          <field field_ref="TAD_Age_E3T"  name="TAD_Age_E3T"  standard_name="sea_water_age_since_surface_contact"   />
+          <field field_ref="TAD_Age_INV"  name="TAD_Age_INV"  standard_name="sea_water_age_since_surface_contact"   />
           <field field_ref="SMS_Age"      name="SMS_Age"      standard_name="sea_water_age_since_surface_contact"   />
-          <field field_ref="SMS_Age_E3T"  name="SMS_Age_E3T"  standard_name="sea_water_age_since_surface_contact"   />
+          <field field_ref="SMS_Age_INV"  name="SMS_Age_INV"  standard_name="sea_water_age_since_surface_contact"   />
    </field_group>
 
@@ -1574,9 +1639,9 @@
           <!-- Ideal tracer -->
           <field field_ref="TOT_IDTRA"      name="TOT_IDTRA"      standard_name="IDTRA_Concentration"               />
-          <field field_ref="TOT_IDTRA_E3T"  name="TOT_IDTRA_E3T"  standard_name="IDTRA_Concentration"               />
+          <field field_ref="TOT_IDTRA_INV"  name="TOT_IDTRA_INV"  standard_name="IDTRA_Concentration"               />
           <field field_ref="TAD_IDTRA"      name="TAD_IDTRA"      standard_name="IDTRA_Concentration"               />
-          <field field_ref="TAD_IDTRA_E3T"  name="TAD_IDTRA_E3T"  standard_name="IDTRA_Concentration"               />
+          <field field_ref="TAD_IDTRA_INV"  name="TAD_IDTRA_INV"  standard_name="IDTRA_Concentration"               />
           <field field_ref="SMS_IDTRA"      name="SMS_IDTRA"      standard_name="IDTRA_Concentration"               />
-          <field field_ref="SMS_IDTRA_E3T"  name="SMS_IDTRA_E3T"  standard_name="IDTRA_Concentration"               />
+          <field field_ref="SMS_IDTRA_INV"  name="SMS_IDTRA_INV"  standard_name="IDTRA_Concentration"               />
    </field_group>
 
@@ -1584,9 +1649,9 @@
           <!-- c14 bomb -->
           <field field_ref="TOT_C14B"      name="TOT_C14B"      standard_name="C14b_Concentration"               />
-          <field field_ref="TOT_C14B_E3T"  name="TOT_C14B_E3T"  standard_name="C14b_Concentration"               />
+          <field field_ref="TOT_C14B_INV"  name="TOT_C14B_INV"  standard_name="C14b_Concentration"               />
           <field field_ref="TAD_C14B"      name="TAD_C14B"      standard_name="C14b_Concentration"               />
-          <field field_ref="TAD_C14B_E3T"  name="TAD_C14B_E3T"  standard_name="C14b_Concentration"               />
+          <field field_ref="TAD_C14B_INV"  name="TAD_C14B_INV"  standard_name="C14b_Concentration"               />
           <field field_ref="SMS_C14B"      name="SMS_C14B"      standard_name="C14b_Concentration"               />
-          <field field_ref="SMS_C14B_E3T"  name="SMS_C14B_E3T"  standard_name="C14b_Concentration"               />
+          <field field_ref="SMS_C14B_INV"  name="SMS_C14B_INV"  standard_name="C14b_Concentration"               />
    </field_group>
 
