pmip3:design:21k:icesheet:index
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pmip3:design:21k:icesheet:index [2009/10/13 11:53] jypeter Removed links to nc files, misc changes |
pmip3:design:21k:icesheet:index [2009/10/29 16:20] jypeter Added ref to new submitted paper (Nature) and link to the comparison section |
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| - alternatives for groups interested to run sensitivity experiment in order to discuss the sensitivity of the model results to the uncertainties in boundary conditions. | - alternatives for groups interested to run sensitivity experiment in order to discuss the sensitivity of the model results to the uncertainties in boundary conditions. | ||
| - | We are now considering the possibility to use a new ice-sheet reconstruction proposed by Lev Tarasov and/or Dick Peltier (see text below). **The final decision on the ice-sheet will be taken in September**. It will depend on what is available at that time, quality checking and climate model constraints. We will involve several PMIP participants in the process, and you are all invited to comment on the proposition in the [[index#page_bottom_tag|discussion panel]] (at the bottom of this page). It is still possible that we have to find an alternative and less rigorous option by the end of September, which is the deadline to finalize the boundary condition for CMIP5. | + | We are now considering the possibility to use a new ice-sheet reconstruction proposed by Lev Tarasov and/or Dick Peltier (see text below). **The final decision on the ice-sheet will be taken in October**. It will depend on what is available at that time, quality checking and climate model constraints. We will involve several PMIP participants in the process, and you are all invited to comment on the proposition in the [[index#page_bottom_tag|discussion panel]] (at the bottom of this page). It is still possible that we have to find an alternative and less rigorous option by the end of September, which is the deadline to finalize the boundary condition for CMIP5. |
| From what is ready today, you can find below | From what is ready today, you can find below | ||
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| ===== Details on the proposed LGM and deglacial ice-reconstructions ===== | ===== Details on the proposed LGM and deglacial ice-reconstructions ===== | ||
| + | |||
| + | ==== Comparing the different reconstructions ==== | ||
| + | |||
| + | The following plots were generated using the latest versions of the reconstructions available to the persons who made the plots and may be more up-to-date than the plots available in the sections below. Please try to use the most recent plots when commenting the reconstructions! | ||
| + | |||
| + | === GLAC-1 === | ||
| + | |||
| + | * //Surface Altitude//, using **nn454** model ensemble for North America, **GrbB** model for Greenland, and **ne8234** for Eurasia | ||
| + | |||
| + | [[http://pmip3.lsce.ipsl.fr/share/design/glac1/GLAC1_nn454_ne8234.pdf|GLAC1_nn454_ne8234.pdf]] (generated by [[pmip2web@lsce.ipsl.fr|Jean-Yves Peterschmitt]], put online, 10/29/09 @ 15h30) | ||
| + | |||
| + | === ICE-6G v1.02 === | ||
| + | |||
| + | * //Surface Altitude// and //Fraction of Grid Cell Covered with Glacier// | ||
| + | * for **ICE-6G v1.02** | ||
| + | * and for GLAC-1 **nn442** model for North America, GLAC-1 **nn8191** for Eurasia, and **ICE-6G v1.02** for Antarctica | ||
| + | |||
| + | [[http://pmip3.lsce.ipsl.fr/share/design/ice6g/ICE-6G_compare_v1.02_GLAC-1.pdf|ICE-6G_compare_v1.02_GLAC-1.pdf]] (generated by [[pmip2web@lsce.ipsl.fr|Jean-Yves Peterschmitt]], put online, 10/29/09 @ 16h40) | ||
| + | |||
| + | Figure 01 => [Var = orog] ice6g_v1.02 @ 21.0k\\ | ||
| + | **Figure 02 (polar) => [Var = orog] ice6g_v1.02 @ 21.0k**\\ | ||
| + | Figure 03 => [Var = orog] ice6g_v1.02 @ 21.0k - ice6g_v1.02 @ 00.0k\\ | ||
| + | Figure 04 (polar) => [Var = orog] ice6g_v1.02 @ 21.0k - ice6g_v1.02 @ 00.0k\\ | ||
| + | Figure 05 => [Var = orog] ice6g_v1.02 @ 21.0k - ice6g_v1.0 @ 21.0k\\ | ||
| + | Figure 06 (polar) => [Var = orog] ice6g_v1.02 @ 21.0k - ice6g_v1.0 @ 21.0k\\ | ||
| + | Figure 07 => [Var = sftgif] ice6g_v1.02 @ 21.0k\\ | ||
| + | Figure 08 (polar) => [Var = sftgif] ice6g_v1.02 @ 21.0k\\ | ||
| + | Figure 09 => [Var = sftgif] ice6g_v1.02 @ 21.0k - ice6g_v1.02 @ 00.0k\\ | ||
| + | Figure 10 (polar) => [Var = sftgif] ice6g_v1.02 @ 21.0k - ice6g_v1.02 @ 00.0k\\ | ||
| + | Figure 11 => [Var = sftgif] ice6g_v1.02 @ 21.0k - ice6g_v1.0 @ 21.0k\\ | ||
| + | Figure 12 (polar) => [Var = sftgif] ice6g_v1.02 @ 21.0k - ice6g_v1.0 @ 21.0k\\ | ||
| + | Figure 13 => [Var = orog] ice6g_v1.02_nn442_8191b @ 21.0k\\ | ||
| + | **Figure 14 (polar) => [Var = orog] ice6g_v1.02_nn442_8191b @ 21.0k**\\ | ||
| + | Figure 15 => [Var = orog] ice6g_v1.02_nn442_8191b @ 21.0k - ice6g_v1.02_nn442_8191b @ 00.0k\\ | ||
| + | Figure 16 (polar) => [Var = orog] ice6g_v1.02_nn442_8191b @ 21.0k - ice6g_v1.02_nn442_8191b @ 00.0k\\ | ||
| + | Figure 17 => [Var = orog] ice6g_v1.02_nn442_8191b @ 21.0k - ice6g_v1.0 @ 21.0k\\ | ||
| + | Figure 18 (polar) => [Var = orog] ice6g_v1.02_nn442_8191b @ 21.0k - ice6g_v1.0 @ 21.0k\\ | ||
| + | Figure 19 => [Var = sftgif] ice6g_v1.02_nn442_8191b @ 21.0k\\ | ||
| + | Figure 20 (polar) => [Var = sftgif] ice6g_v1.02_nn442_8191b @ 21.0k\\ | ||
| + | Figure 21 => [Var = sftgif] ice6g_v1.02_nn442_8191b @ 21.0k - ice6g_v1.02_nn442_8191b @ 00.0k\\ | ||
| + | Figure 22 (polar) => [Var = sftgif] ice6g_v1.02_nn442_8191b @ 21.0k - ice6g_v1.02_nn442_8191b @ 00.0k\\ | ||
| + | Figure 23 => [Var = sftgif] ice6g_v1.02_nn442_8191b @ 21.0k - ice6g_v1.0 @ 21.0k\\ | ||
| + | Figure 24 (polar) => [Var = sftgif] ice6g_v1.02_nn442_8191b @ 21.0k - ice6g_v1.0 @ 21.0k | ||
| + | |||
| + | |||
| + | === ANU ice model === | ||
| + | |||
| + | * Combined //Surface Altitude// and //Fraction of Grid Cell Covered with Glacier// | ||
| + | * for ANU ice model **version ???** | ||
| + | * for **ICE-6G v1.0** (NOT v1.02) | ||
| + | * for GLAC-1 **nn9021** model for North America, and **ne8034** for Eurasia | ||
| + | |||
| + | The following plots have been prepared by [[abeouchi@ccsr.u-tokyo.ac.jp|Ayako Abe-Ouchi]] and [[saitofuyuki@jamstec.go.jp|Saito Fuyuki]] (put online, 10/29/09 @ 16h50)): | ||
| + | |||
| + | * {{:pmip3:design:21k:icesheet:gaa2.pdf|Antarctica}} plots | ||
| + | * {{:pmip3:design:21k:icesheet:gnh2.pdf|Northern Hemisphere}} plots | ||
| ==== Lev-MOCA ==== | ==== Lev-MOCA ==== | ||
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| ==== ICE-6G ==== | ==== ICE-6G ==== | ||
| + | |||
| + | <note warning>Please check the [[index#comparing_the_different_reconstructions|Comparison]] section above for the latest plots</note> | ||
| + | |||
| Using new calibrations and a revised version of his model, Dick Peltier proposes a revised version of the ice-sheet that should better match the different paleo data. | Using new calibrations and a revised version of his model, Dick Peltier proposes a revised version of the ice-sheet that should better match the different paleo data. | ||
| The following figures are based on data supplied by [[peltier@atmosp.physics.utoronto.ca|Dick Peltier]] and [[rmarie@atmosp.physics.utoronto.ca|Rosemarie Drummond]] (//Sept 4th 2009// version). | The following figures are based on data supplied by [[peltier@atmosp.physics.utoronto.ca|Dick Peltier]] and [[rmarie@atmosp.physics.utoronto.ca|Rosemarie Drummond]] (//Sept 4th 2009// version). | ||
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| * W.R. Peltier and R. Drummond, 2008. //Rheological stratification of the lithosphere: A direct inference basd upon the geodetically observed pattern of the glacial isostatic adjustment of the North American continent//. geophys. res. Lett., vol. 35, L16314, doi:10.1029/2008GL034586. | * W.R. Peltier and R. Drummond, 2008. //Rheological stratification of the lithosphere: A direct inference basd upon the geodetically observed pattern of the glacial isostatic adjustment of the North American continent//. geophys. res. Lett., vol. 35, L16314, doi:10.1029/2008GL034586. | ||
| + | |||
| + | * W. R Peltier, D. F. Argus, R. Drummond, R Gyllencreutz, J. Mangerud, J-I Swensen, and O. S. Lohne, //Space Geodesy Constrains Ice-Age Terminal Deglaciation//, Nature, submitted | ||
pmip3/design/21k/icesheet/index.txt · Last modified: 2009/12/23 13:25 by jypeter
