:
 &natgas     gasfac = 1.7, igaswind = 1,
            icice=1 ,&end
 &natext    atcco2 = 278., &end
 &NATBIO
   caco3r =      0.2,
   dispo0 =      10.e-5,
   conc0 =       2.e-6,
   oxymin =      1.e-6,
   grosip =      0.151,
   sedlam =      0.,
   sedlostpoc =  0.,
   sedlostcal =  0.,
   sedlostsil =  0.,
   nrdttrc =     1,
   pislope =     4. ,
   excret =      0.05 ,
   wsbio =       5. ,
   wchl =        0.01 ,
   wchld =       0.02 ,
   resrat =      0.03 ,
   mprat =       0.03 ,
   mzrat =       0.0 ,
   grazrat =     4. ,
   xprefc =      1. ,
   xprefp =      0.2 ,
   unass =       0.3 ,
   xkgraz =      20E-6 ,
   xkmort =      1.E-7 ,
   xksi1 =       2.E-6 ,
   xksi2 =       5.E-6 ,
   xremip =      0.025 ,
   xremik =      0.25 ,
   xsirem =      0.015,
   xkdoc1 =      1.E-6 ,
   xkdoc2 =      417.E-6 ,
   excret2 =     0.05 ,
   resrat2 =     0.004,
   mprat2 =      0.03,
   mpratm =      0.01,
   mzrat2 =      0.03,
   grazrat2 =    1.,
   xprefz   =    1 ,
   xprefpoc   =  0.2 ,
   unass2 =      0.3 ,
   xkgraz2 =     18.E-6 ,
   xlam1 =       0.005,
   ferat3 =      3.E-6,
   conc1 =       10E-6 ,
   conc2 =       0.02E-9 ,
   conc3 =       0.1E-9 ,
   concnnh4 =    1.E-7,
   concdnh4 =    5.E-7,
   nitrif =      0.05,
   epsher =      0.33 ,
   epsher2 =     0.33 ,
   pislope2 =    4. ,
   wsbio2   =    20.,
   sigma1 =      0.5,
   sigma2 =      0.5,
   zprefc =      0.,
   zprefp =      0.6,
   zprefd =      0.4,
   chlcnm =      0.033,
   chlcdm =      0.05,
   fecnm =       10E-6,
   fecdm =       15E-6,
   sedfeinput =   1E-9,
&end
:
 &NATSMS
   bdustfer =  .FALSE.,
   briver =    .FALSE.,
   bndepo =    .FALSE.,
   bsedinput = .FALSE.,
&end