GLIMMER Antarctic Ice Sheet Model,an experimental research of moving boundary condition

ADVANCES IN POLAR SCIENCE ›› 2008, Vol. 19 ›› Issue (1-English): 23-35.

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GLIMMER Antarctic Ice Sheet Model,an experimental research of moving boundary condition

Tang Xueyuan¹, Sun Bo¹, Zhang Zhanhai¹, Li Yuansheng¹ and Yang Qinghua²

1 Polar Research Institute of China, Shanghai 200136, China;
2 National Research Center for Marine Environmental Forecasts, Beijing 100081, China

Online:1958-03-30 Published:1958-03-30
Contact: Tang Xueyuan

Abstract

Abstract:

A 3-D coupled ice sheet model, GLIMMER model is introduced,and an idealized ice sheet experiment under the EISMINT-1 criterion of moving boundary condition is presented. The results of the experiment reveal that for a steady-state ice sheet profile the characteristic curves describe the process of evolution which are accordant with theoretical estimates. By solving the coupled thermodynamics equations of ice sheet, one may find the characteristic curves which derived from the conservation of the mass, energy and momentum to the ice flow profile. At the same time,an agreement, approximate to the GLIMMER case and the confirmed theoretical results, is found. Present study is explorihg work to introduce and discuss the handicaps of EISMINT criterion and GLIMMER,and prospect a few directions of the GLIMMER model.

Key words: Antarctic ice sheet, GLIMMER model, EISMINT, Numcrical simulation

Tang Xueyuan, Sun Bo, Zhang Zhanhai, Li Yuansheng, Yang Qinghua. GLIMMER Antarctic Ice Sheet Model,an experimental research of moving boundary condition[J]. ADVANCES IN POLAR SCIENCE, 2008, 19(1-English): 23-35.

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GLIMMER Antarctic Ice Sheet Model,an experimental research of moving boundary condition

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