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Record #126163:
Modelling ice sheet and climate changes through the ice ages / William F. Budd, P. Rayner.
Title: | Modelling ice sheet and climate changes through the ice ages / William F. Budd, P. Rayner. |
Author(s): | Budd, William F. Rayner, P. |
Date: | 1993. |
Publisher: | Berlin: Springer |
In: | Ice in the climate system. (1993.), |
Abstract: | Three-dimensional ice-sheet model and global energy-balance climate model have been used to investigate evolution of ice and climate changes through ice ages. Sensitivity studies indicate conditions required for growth/decay of ice sheets. Time series simulations in response to orbital forcing show dominance of ice sheets in climate system converting seasonal and latitudinal variations into annual and global changes but with large phase shift. Explicit calculations of phase differences show sequence of leads and lags through July radiation, July temperature, ice area and annual mean temperature, ice volume and sea level, ocean δ¹⁸O, January temperature, January radiation, and, finally, bedrock depression. Recognition of these phase shifts, caused primarily by slow ice-sheet response and feedback, may assist in interpretation of phase differences observed in proxy palaeorecords. |
Notes: | In: Ice in the climate system / W. Richard Peltier, ed. |
Keywords: | 551.336 -- Ice ages. 551.583 -- Climatic changes. 551.588.5 -- Climate, relationship with ice. 519.673 -- Modelling. E7 -- Glaciology: glacial geology and ice ages. |
SPRI record no.: | 126163 |
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