Changes between Version 6 and Version 7 of WaterIsosPage


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Timestamp:
02/12/13 15:02:18 (11 years ago)
Author:
roche
Comment:

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  • WaterIsosPage

    v6 v7  
    22(should apply to 1.0 release and following in 1.0.x).  
    33 
    4 = To have a pristine start for water isotopes: the "no restart option" = 
     4== To have a pristine start for water isotopes: the "no restart option" == 
    55 * Set clio/sources/para0.com parameter isoocn_restart = 0. The water isotopes in the ocean are initialized with a constant RSMOW value. [[BR]] 
    66 * Set isoatm/sources/isoatm_mod.f90 parameter isoatm_restart = 0. The atmospheric isotopes are set to -12 per mil for d18O and no excess for deuterium and 17O. [[BR]] 
    77 * Set isoatm/sources/isoatm_mod.f90 parameter isolbm_restart = 0. The land surface isotopic content are set to a fixed value (-30 per mil) for 18O and no excess for the other isotopes. [[BR]] 
    88 
    9 = Obtaining the standard version for water isotopes = 
     9== Obtaining the standard version for water isotopes == 
    1010Water isotopes are very sensitive to the conditions for evaporation at the oceanic surface. In ECBilt -- CLIO, there is evaporation from the oceanic surface '''THROUGH''' the sea-ice. My guess is that it was implemented as a counteracting effect to the precipitation over-estimation in the Arctic, later compensated by a flux correction. [[BR]] 
    1111With regards to the water isotopes, this parameterization causes a strong increase of d18O at high latitude, found to be unrealistic. To obtain a better agreement with observed data, I therefore suggest to suppress the evaporation through sea-ice. The EVAPSI key switch in choixcomposantes.h is there for the purpose. [[BR]] 
    1212'''__Action:__''' '''set EVAPSI to 1''' for standard version of water isotopes. [[BR]] 
     13 
     14== Combination of FLAGS == 
     15* __Combination that works__ 
     16  * ISOATM == 2 / ISOOCN = 2 / ISOLBM = 1 (Full interactive, this is the default) 
     17  * ISOATM == 2 / ISOOCN = 1 / ISOLBM = 1 (No land surface water interactive isotopic content, oceanic content calculated but not updated) 
     18* __Combination that does not work__ 
     19 
     20* __Untested__ 
     21  * All the rest