Remote Sensing of Groundwater Variations and Ground Response

Dear Colleagues,

Groundwater is one of the most important resources in the world. In regions where surface water resources are limited or inaccessible, groundwater is the major type of water resource that supplies the hydrologic needs of people, including domestic water use, irrigation, plantation, and industrial water use. During the past decades, many regions in the world have suffered from groundwater depletion due to excessive pumping. Declination of the groundwater level has caused severe hydrogeological disasters, including land subsidence and ground failures such as surface faulting and earth crack. It has also led to wetland shrinking, vegetation degradataion, and soil salinization because of reduced inflow to surface water systems and ecosystems. Therefore, evaluating and monitoring groundwater variation and its impacts on the environment have become urgent. In recent years, remote sensing has provided viable tools for monitoring groundwater storage changes, ground deformations, and wetland ecosystems. This enables us to better understand how groundwater variations affect geological and ecological environments.

This Issue focuses on but is not limited to publishing papers in the following fields:

1. Monitoring groundwater storage using GRACE;
2. Monitoring and modelling land subsidence or ground failures due to groundwater depletion using remote sensing techniques;
3. Monitoring and modelling groundwater–surface water interactions by integrating remote sensing observations;
4. Monitoring and modelling change in wetland and riparian ecosystem and its relationship with groundwater variations;
5. Impact of groundwater variation on hydrological processes, such as evapotranspiration observed by remote sensing techniques.

Prof. Huili Gong
Prof. Shahbaz Khan
Prof. Yun Chen
Dr. Monica Rivas Casado
Guest Editors

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