由于固体地球和海平面反而导致南极大质量损失的放缓
E Larour1,2, H Seroussi3, S Adhikari3
1Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA. eric.larour@jpl.nasa.gov.
概括
固体地球的升起使极地冰盖稳定. 新的模拟显示这种效应减少了Thwaites冰川
科学领域:
- 固体地球物理
- 冰川学
- 南极气候科学
背景情况:
- 地质研究显示,固体地球的升起使极地冰盖稳定.
- 在接地线附近短波升起的影响仍未评估.
研究的目的:
- 模拟南极冰盖的演变, 考虑固体地球的过程.
- 评估短期固体地球升起对接地线迁移的影响.
主要方法:
- 开发了一个高分辨率的全球模拟南极冰盖的演变.
- 包括所有影响冰盖的相关固体地球过程.
主要成果:
- 在Thwaites冰川的接地线迁移中预计有38%的负面反.
- 这种反相当于海平面的贡献减少了26.8%.
结论:
- 短波固体地球提升显著影响着接地线的稳定性.
- 这种机制为南极冰盖提供了至关重要的稳定反.
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