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pmip3:design:21k:index [2009/05/15 16:18]
jypeter corrected typo in the aerosols line
pmip3:design:21k:index [2010/02/12 14:55]
jypeter Added link to 8k2
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 ~~ODT~~ ~~ODT~~
-~~DISCUSSION~~+~~DISCUSSION:closed~~
  
 <​html><​a name="​page_top_tag">&​nbsp</​a></​html>​ <​html><​a name="​page_top_tag">&​nbsp</​a></​html>​
-//Go to =>// [ [[pmip3:​design:​pi:​index|PI]] ] - [ [[pmip3:​design:​6k:​index|6ka]] ] - [ **21ka** ] - [ [[pmip3:​design:​lm:​index|LM]] ] - [ [[pmip3:​design:​li:​index|LI]] ] - [ [[pmip3:​design:​plio:​index|Plio]] ]+//Go to =>// [ [[pmip3:​design:​pi:​index|PI]] ] - [ [[pmip3:​design:​6k:​index|6ka]] ] - [ **21ka** ] - [ [[pmip3:​design:​lm:​index|LM]] ] - [ [[pmip3:​design:​8k2:​index|8.2ka]] ] - [ [[pmip3:​design:​li:​index|LI]] ] - [ [[pmip3:​design:​plio:​index|Plio]] ]
  
 ====== 21ka Experimental Design====== ====== 21ka Experimental Design======
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 |  Solar constant ​ |  1365 W/​m<​sup>​2</​sup> ​ |  As in PI  | |  Solar constant ​ |  1365 W/​m<​sup>​2</​sup> ​ |  As in PI  |
 |  Vegetation ​    ​| ​ Interactive ​ |  See specific note below  | |  Vegetation ​    ​| ​ Interactive ​ |  See specific note below  |
-|  Ice sheet      |  Revised ICE5G???? (provided) ​ |    | +|  Ice sheet      |  Revised ICE5G???? (provided) ​|    | 
-|  Topography and coastlines ​ |  From ???? (provided) ​ |  minimum changes (see note below) ​ |+|  Topography and coastlines ​ |  From ???? (provided) ​|  minimum changes (see note below) ​ |
 |  River outflow ​ |  Modified according to a river pathway map (provided) ​ |  Same as PI  | |  River outflow ​ |  Modified according to a river pathway map (provided) ​ |  Same as PI  |
 |  Ice sheet ice stream ​ |  add excess LGM freshwater (see below) ​ |  Same as PI  | |  Ice sheet ice stream ​ |  add excess LGM freshwater (see below) ​ |  Same as PI  |
 |  Mean ocean salinity ​ |   ??? -1PSU everywhere ???  |  | |  Mean ocean salinity ​ |   ??? -1PSU everywhere ???  |  |
 +
 +* see discussion on the ice-sheet
  
 Please use the [[index#​page_bottom_tag|discussion]] panel to **comment** this table! Please use the [[index#​page_bottom_tag|discussion]] panel to **comment** this table!
  
 +
 +==== Ice-sheet ====
 +
 +The ice sheet to be used for PMIP3/CMIP5 experiments is still under discussion. ​
 +Click on the link below to have access to the ongoing propositions and discussions
 +  * [[pmip3:​design:​21k:​icesheet:​index| LGM ice sheet]] ​
  
 ==== Vegetation ==== ==== Vegetation ====
  
-Depending on the complexity ​of the model used the vegetation will be either:+The vegetation should be treated as in the CMIP5 PI experiment. The reason is that in CMIP5 we test the version ​of the model used for future climate projections. Since OA and ESM models will be considered, depending on the model used the vegetation will be  
 + 
 +  * prescribed to PI (which means both vegetation types and LAI are prescribed ) 
 +  * Prescribed to PI with interactive LAI (models with interactive carbone cycle, but no vegetation dynamics) 
 +  * Computed by the model (models with dynamic vegetation) ​
  
-  * computed by the model +There are still questions concerning ​the possibility ​to have a 6ka reconstructed ​vegetation from a combination of model output and data analyses ​that could be used for sensitivity experiments. Please tell if you are interested by such a map and what would be the best variables (pft?) that should be provided ​(see comment ​from BOtto-Bliesner in the discussion panel) 
-  * prescribed ​to PI (some ESM may only compute ​vegetation ​phenology and carbon cycle) +
-  * prescribed to 21ka vegetation reconstructed ​from a combination of model output and data analyses ​(please use the map provided ​here) +
-  * Obtained ​from asynchronous coupling with a DVGM ([[http://​pmip2.lsce.ipsl.fr/​synth/​biome4.shtml|Biome 4 model]] provided) ​+
  
  
pmip3/design/21k/index.txt · Last modified: 2010/09/16 12:37 by jypeter