Changes between Version 29 and Version 30 of DevelopmentActivities/CMIP6/DevelopmentsCMIP6


Ignore:
Timestamp:
12/14/15 12:43:06 (5 years ago)
Author:
peylin
Comment:

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  • DevelopmentActivities/CMIP6/DevelopmentsCMIP6

    v29 v30  
    3636 
    3737 
    38 To be updated when questions appear or when developments are improving 
    39  
    40  
    41 - '''11 layers soil hydrology (ready, in the trunk)''' 
    42  
    43 Main Resp: Jan, Agnes,  
    44  
    45 Improvement over summer with “some work on W stress functions” 
    46  
    47 No large conceptual changes  
    48  
    49  
    50 - '''Common soil vertical discretization between Hydrology and Thermics (ready, not yet commited in the trunk)'' 
    51  
    52 Main Resp: Frederique, Agnes, Jan  
    53  
    54 Soil thermics goes up to 10 meter 
    55  
    56 Hydrology stops most likely at 2 m; Test by Fuxing to choose for CM6 are ongoing 
    57  
    58 a general “scheme” to have flexible depth need to be implemented (following a group discussion in January 2015) 
    59  
    60  
    61 - '''New soil thermal properties (function of USDA soil texture classes) (ready, in the trunk)''' 
    62  
    63 Main Resp: Agnes, Frederique 
    64  
    65 Tests made by Agnes & Fuxing & Frederique ? 
    66  
    67  
    68 - '''Soil freezing following I. Gouttevin’s Phd (ready, in the trunk but improvement to be done)'' 
    69  
    70 Current scheme conserve energy on annual basis (from freezing/thawing) and will be used as default. 
    71  
    72 Revision is planned for “instantaneous” conservation (late 2015) 
    73  
    74 Use of the "Diag_level" should be droped after the common soil vertical discretization 
    75  
    76 Need a working group (IG, GK, …) ? 
    77  
    78  
    79 - '''New 3 layers snow module (in the trunk, improvement on going)'''  
    80 following Tao Wang's work. 
    81  
    82 Main Resp: Catherine, Tao, Philippe C, Jan 
    83  
    84 Trunc contain the latest version used in MICT (since Mai) 
    85  
    86 Ongoing improvement to have a snow fraction and fully implicit coupling 
    87  
    88 Actions will be followed by a little group (FC, AD, JP, CO, JLD, PP, PC, TW, GK, JG, PM) with possible implementation by Fuxing and Jan 
    89  
    90  
    91 - '''Adjustment of the albedos (on going: objectif Juin 2015)''' 
    92  
    93 Replace Bares Soil albedo by the “MODIS – Background Albedo” from JRC-TIPor from ECOCLIMAP-2 
    94  
    95 Optimize the NIR and VIS 12 vegetation albedos using MODIS global albedo 
    96  
    97 Ongoing action by PP and VB in Mai-June 
    98  
    99 Main Resp. : Philippe P, Vladislav, Frederique 
    100  
    101  
    102 - '''Nitrogen cycle (Autumn 2015)''' 
    103  
    104 Main Resp: Nicolas, Bertrand, Sushi, Daniel, Philippe C 
    105  
    106 Code ready, under debugging phase  
    107  
    108 Possible large impact on climate simulations: NEED TO LAUNCH first global tests NO later than Mid October 2015 
    109  
    110 Global forced and coupled tests to be done and analysed before end of 2015  
    111  
    112  
    113 - '''Permafrost and Yedoma deposit (to be decided, spring 2016)''' 
    114  
    115 Main Resp: Philippe C., Dan, Shushi 
    116  
    117 Permafrost module currently implemented in MICT version 
    118  
    119 Main impact is a source of CO2 to the Atm.; small impact on soil thermal properties 
    120  
    121 Yedoma (deep permafrost): impact through CO2 emissions 
    122  
    123 “coupling” with the new E/W soil discretization need to be done  
    124  
    125 Extrapolation of the W content below soil W depth to be chosen 
    126  
    127 Need some work for the integration with the selected upper soil T/W common discretization 
    128  
    129  
    130 - '''Crops''' 
    131  
    132 Main Resp: Nicolas 1-2, Philippe C., Xuichen  
    133  
    134 Addition of a distinction between winter and spring C3 crops (phenology) 
    135  
    136 Small change to be added autumn 2015 
    137  
    138 POSSIBLE inclusion of ORC-CROP modules (to be discuss Autumn 2015). 
    139  
    140  
    141 - '''Fires following SPITFIRE (to be added in the trunk in beginning of autumn)''' 
    142  
    143 Main Resp: Patricia, Yue Chao, Philippe C. 
    144  
    145 Coupling with Trunc to be done in September 2015 (small effort) 
    146  
    147 Forcing for “human-induced” fires need to be prepared 
    148  
    149 Modification of the albedo following fires under “implementation” 
    150  
    151 Implementation with ORC-CAN: need to select “burned” trees ! 
    152   
    153  
    154 - '''DGVM (ready, in the trunk, some calibration needed)'''  
    155  
    156 Main Resp: Philippe C., Nicolas Viovy, Dan Zhu 
    157  
    158 Ready for the High latitude PFTs ; Ongoing “check/calibration” for the tropics  
    159  
    160 Update of the Trunc already done (In May 2015 for Paleo simul tests) 
    161  
    162 Re-calibration “needed” when Nitrogen cycle will be included 
    163  
    164 Implementation with ORC-CAN will require substantial tests/dev. 
    165  
    166  
    167 - '''SPECIFIC MERGES FOR CMIP6-V2'''  
    168  
    169 CMIP6-V2 will be based on the NEW FOREST REPRESENTATION (ORC-CAN) including: 
    170  
    171  - Forest management     
    172  - Two streams radiation transfer scheme         
    173  - Canopy structure      
    174  - Age classes (LCC/LM)  
    175  - Hydraulic stress for trees            
    176  - Crop management       
    177  - Dynamic phosphorous cycle ? 
    178  - New plant functional types (Mosses/lichens & Shrub) 
    179  - New soil carbon module with « Priming » and DOC, POC, Vertical discretization,….      
    180  
    18138[[BR]] 
    18239