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Loose deposits may lead to catastrophic landslides and rockslides especially during or after heavy rainfall events. In this paper, we propose a method to estimate the volume and spatial distribution (VSD) of loose deposits using airborne and spaceborne optical remote sensing data and Interferometric Synthetic Aperture Radar (InSAR) coherence. The estimated VSD of coseismic loose deposits in Wenchuan,...
Violent earthquakes damaged buildings, towns and cities. The earthquakes and the subsequent secondary disasters, such as landslips, landslides and debris flows, brought immediate threats to people there. The rescue tasks need updated and appropriate information for site selection of emergency refuges and transitional shelters, especially when a city has been destroyed and the original earthquake emergency...
Based on the subsidence prediction model by probability integration, this paper proposed a new “superimposed model” which is made up by “3D-stratum” and “declining subsidence model”, the latter is formed when mechanical properties and stress states of the rock soil media are changed because of water layers' erosion which is happened in the high underground water mining area simultaneously with strong...
The paper primary makes certain some bands or band combination as the RS spectral indices of vegetation water content based on analyzing the vegetation spectral characteristics and the relativity between spectrum and vegetation water content. With the ground survey data, the best function models are respectively established between the vegetation water content and spectral indices. Based on analyzing...
Eco-water (layer) refers to the water body closely related to the ground vegetation layer. It is conserved in leaves, roots, vegetation humus layers and root soil layers, which is capable of precipitation interception and rivers and/or groundwater supplementation. As a challenging issue in the hydrological cycle field, the eco-water and its resource quantity are difficult to be quantified by ordinary...
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