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pmip3:design:21k:icesheet:index [2009/10/13 11:58] jypeter Changed decision time from Sept to October |
pmip3:design:21k:icesheet:index [2009/10/29 16:22] jypeter Added link to the comparison section |
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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 ==== | ||
+ | |||
+ | <note warning>Please check the [[index#comparing_the_different_reconstructions|Comparison]] section above for the latest plots</note> | ||
=== Northern Hemisphere (GLAC-1) === | === Northern Hemisphere (GLAC-1) === | ||
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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 | ||