Land Subsidence
Land Subsidence
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Tucson Extensometer Network
The U.S. Geological Survey Arizona Water Science Center in cooperation with Tucson Water has monitored water-level and aquifer compaction at several wells in Avra Valley and Tucson Basin since about 1980. The purpose of the data collection is to document compaction of the aquifer system in response to stresses induced by water-level change, provide control for satellite-based observations of land...
Aquifer-Storage Change and Land-Surface Elevation Change Monitoring in the Tucson Active Management Area
The Arizona Water Science Center is monitoring aquifer-storage changes and land subsidence within the Tucson Active Management Area (AMA). Land-surface elevation change is monitored at a network of benchmarks throughout the Tucson AMA by measuring changes in land surface elevation over time (approximately annually) with Interferometric Synthetic Aperture Radar (InSAR). Aquifer-storage change is...