Рет қаралды 786
Explore the science of land subsidence and its potential impact on the environment using Google Earth Engine (GEE)! In this tutorial, we dive into a hands-on demonstration of analyzing Global Land Subsidence datasets. Perfect for researchers, GIS professionals, and environmentalists looking to study subsidence in specific regions.
What’s Covered in This Video?
The analysis involves several key steps for studying land subsidence. First, a precise study area is selected, defined by geographical coordinates, and visualized using WWF HydroSHEDS basin boundaries for contextual clarity. Next, the Global Subsidence Probability dataset (2013-2019) is accessed, enabling the visualization of land subsidence probabilities through striking color gradients. To focus on a specific region, the subsidence datasets are clipped to the region of interest (ROI), with techniques to simplify geometries for efficient processing. Classification insights are then derived by utilizing the Global Subsidence Classification dataset, applying masks to emphasize critical subsidence classes for targeted analysis. Finally, all clipped datasets are exported directly to Google Drive,
Useful Link:
1. Code link: code.earthengi...
2. Global Land subsidence mapping:
gee-community-...
3. WWF HydroSHEDS Basins Level 5:
developers.goo...
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