Differences

This shows you the differences between two versions of the page.

--- pmip3:design:6k:index [2009/02/23 14:51] – Added link to LI jypeter
+++ pmip3:design:6k:index [2010/09/16 14:35] (current) – Added link to final BC page in the top warning jypeter
@@ Line 1: / Line 1: @@
 ~~ODT~~
-~~DISCUSSION~~
+~~DISCUSSION:closed~~
 <html><a name="page_top_tag">&nbsp</a></html>
-//Go to =>// [ [[pmip3:design:pi:index|PI]] ] - [ **6ka** ] - [ [[pmip3:design:21k:index|21ka]] ] - [ [[pmip3:design:lm:index|LM]] ] - [ [[pmip3:design:li:index|LI]] ] - [ [[pmip3:design:plio:index|Plio]] ]
+//Go to =>// [ [[pmip3:design:pi:index|PI]] ] - [ **6ka** ] - [ [[pmip3:design:21k:index|21ka]] ] - [ [[pmip3:design:lm:index|LM]] ] - [ [[pmip3:design:8k2:index|8.2ka]] ] - [ [[pmip3:design:li:index|LI]] ] - [ [[pmip3:design:plio:index|Plio]] ]
 ====== 6ka Experimental Design ======
-<note warning>**Page in progress**: this is not the final version!\\ \\ Use the [[index#page_bottom_tag|discussion]] panel at the end of the page for comments </note>
+<note warning>This was a BC //development page// (see [[index#page_bottom_tag|discussion]] panel at the end of the page)\\ \\ Make sure you use the [[pmip3:design:6k:final|final version of the 6k BC]]!</note>
 ===== Boundary conditions =====
@@ Line 15: / Line 15: @@
-^      ^   PMIP3  ^  Alternative solution  ^
+^      ^   PMIP3/CMIP5  ^  Minimum solution  ^
-|  Orbital parameters  |  [ **ecc** = 0.018682 ] - [ **obl** = 24.105° ] - [ **peri-180°** = 0.87° ]  | |
+|  Orbital parameters  |  [ **ecc** = 0.018682 ] - [ **obl** = 24.105° ] - [ **peri-180°** = 0.87° ]  |  |
 |  Date of vernal equinox  |  March 21 at noon  | |
 |  Trace gases  |  [ **CO<sub>2</sub>** = 280 ppm ] - [ **CH<sub>4</sub>** = 650 ppb ] - [ **N<sub>2</sub>O** = 270 ppb ] - [ **CFC** = 0 ] - [ **O<sub>3</sub>** = same as PI ]  | |
@@ Line 22: / Line 22: @@
 |    | |  |
 |  Solar constant  |  1365 W/m<sup>2</sup>  |  As in PI  |
-|  Vegetation     |  Interactive  |  See specific note below  |
+|  Vegetation     |  prescribed or interactive as in CMIP5 PI  |    |
-|  Ice sheets      |  Remnant Laurentide ice-sheet (provided)  |  Same as PI  |
+|  Ice sheets      |  Remnant Laurentide ice-sheet (provided*)  |  Same as PI  |
-|  Topography and coastlines  |  Modification of Hudson Bay coastlines (provided)  |  Same as PI  |
+|  Topography and coastlines  |  Modification of Hudson Bay coastlines (provided*)  |  Same as PI  |
+*For the ice-sheet reconstruction, see discussion on LGM wiki page
 Please use the [[index#page_bottom_tag|discussion]] panel to **comment** this table!
@@ Line 31: / Line 33: @@
 ==== 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
-  * computed by the model
+  * prescribed to PI (which means both vegetation types and LAI are prescribed )
-  * prescribed to PI (some ESM may only compute vegetation phenology and carbon cycle)
+  * Prescribed to PI with interactive LAI (models with interactive carbone cycle, but no vegetation dynamics)
-  * prescribed to 6ka vegetation reconstructed from a combination of model output and data analyses (please use the map provided here)
+  * Computed by the model (models with dynamic vegetation)
-  * Obtained from asynchronous coupling with a DVGM ([[http://pmip2.lsce.ipsl.fr/synth/biome4.shtml|Biome 4 model]] provided)
+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 B. Otto-Bliesner in the discussion pannel).
 ==== For Earth System Models with interactive carbone cycle ====