pmip3:design:21k:final
Differences
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pmip3:design:21k:final [2010/04/15 15:39] jypeter Added 116m sea-level change value |
pmip3:design:21k:final [2010/04/15 16:37] jypeter Added links to the LGM BC download page |
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| === Land-sea mask === | === Land-sea mask === | ||
| - | This mask should be prescribed using the data provided in [[target.nc|file.nc]] where the ''sftlf'' variable is 0 (%) over the ocean and 100 (%) over land. | + | This mask should be prescribed using the data provided in the [[pmip3:design:download#last_glacial_maximum|LGM BC download page]], where the ''sftlf'' variable is 0 (%) over the ocean and 100 (%) over land. |
| Make sure that the ocean model configuration keeps the following straits open: | Make sure that the ocean model configuration keeps the following straits open: | ||
| Line 57: | Line 57: | ||
| === Land surface elevation === | === Land surface elevation === | ||
| - | The change in surface elevation specified by the ''orog_diff'' variable provided in [[target.nc|file.nc]] should be added to the present-day surface elevation, so that all the participating models will be perturbed in the same way. | + | The change in surface elevation specified by the ''orog_diff'' variable provided in the [[pmip3:design:download#last_glacial_maximum|LGM BC download page]] should be added to the present-day surface elevation, so that all the participating models will be perturbed in the same way. |
| Note: this specified change assumes that the surface elevation over present-day oceans is zero (m). | Note: this specified change assumes that the surface elevation over present-day oceans is zero (m). | ||
| Line 63: | Line 63: | ||
| === Ice-sheet extent === | === Ice-sheet extent === | ||
| - | The ice-sheet extent should be prescribed using the data provided in [[target.nc|file.nc]], where the ''sftgif'' variable is 0 (%) where there is no ice-sheet, or 100 (%).\\ This mask includes **ice shelves**, which should be included in models that allow this feature. | + | The ice-sheet extent should be prescribed using the data provided in the [[pmip3:design:download#last_glacial_maximum|LGM BC download page]], where the ''sftgif'' variable is 0 (%) where there is no ice-sheet, or 100 (%).\\ This mask includes **ice shelves**, which should be included in models that allow this feature. |
| * The ice shelves can be defined from the ''sftgif'' and ''sftlf'' variables as areas where:\\ ''sftgif'' == 100 **and** ''sftlf'' == 0 | * The ice shelves can be defined from the ''sftgif'' and ''sftlf'' variables as areas where:\\ ''sftgif'' == 100 **and** ''sftlf'' == 0 | ||
| * Groups implementing the provided ice shelves should keep the Greenland-Iceland ridge open in the ocean configuration. | * Groups implementing the provided ice shelves should keep the Greenland-Iceland ridge open in the ocean configuration. | ||
pmip3/design/21k/final.txt · Last modified: 2010/12/06 23:38 by jypeter
