global warming中GPS和GRACE的地表流体变化和变形
Earth's surface fluid variations and deformations from GPS and GRACE in global warming
摘要：
全球变暖正在影响我们的地球环境。例如，由于人类活动引起的全球变暖，由于大陆冰盖融化，水和淡水的热膨胀，海平面正在上升。然而，由于缺乏直接测量，观测和模拟地球表面变化在变化率以及影响的规模和分布方面具有较大的不确定性。如今，从空间对地观测为监测与气候变化有关的地表质量转移和变形提供了独特的机会，特别是全球定位系统（GPS）和重力恢复和气候实验（GRACE），具有估计全球陆地和海洋水体质量的能力。本文利用全球GPS和GRACE卫星观测资料，推导并分析了地球表面流体的变化和形变。流体加载变形及其与地球系统的相互作用，地球自转，进一步介绍和讨论。
英文摘要：
Global warming is affecting our Earth's environment. For example, sea level is rising with thermal expansion of water and fresh water input from the melting of continental ice sheets due to human-induced global warming. However, observing and modeling Earth's surface change has larger uncertainties in the changing rate and the scale and distribution of impacts due to the lack of direct measurements. Nowadays, the Earth observation from space provides a unique opportunity to monitor surface mass transfer and deformations related to climate change, particularly the global positioning system (GPS) and the Gravity Recovery and Climate Experiment (GRACE) with capability of estimating global land and ocean water mass. In this paper, the Earth's surface fluid variations and deformations are derived and analyzed from global GPS and GRACE measurements. The fluids loading deformation and its interaction with Earth system, e.g., Earth Rotation, are further presented and discussed.
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