Remote Sensing and Water management - FEFlow

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Institut für UmweltingenieurwissenschaftenIfU Types of remote sensing data • Frequency range in electromagnetic spectrum: visible, infrared, microwave (passive-active), radar • Resolution from cm to 500 km • Time sequence • Platform: satellite, airplane, balloon, tower • Geophysical remote sensing: magnetism, electromagnetic methods, gravity
Looking underground Institut für UmweltingenieurwissenschaftenIfU • Aeromagnetics (based on differences in magnetisation of rocks) – Structure: limits of aquifer – Intrusion dikes or fracture zones • Airborne Electromagnetics (TEM) – differences in electric conductivity from water (freshwater-saline water contrast), – or from lithology differences: e.g. clay versus s<strong>and</strong> • Gravity variations in time – <strong>Water</strong> content (Storage term) – GRACE mission data
Page 1 and 2: Remote Sensing and Groundwater Mode
Page 3 and 4: Institut für Umweltingenieurwissen
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Page 11 and 12: Aeromag data Kanye Institut für Um
Page 15 and 16: Magnetic depth (m) Institut für Um
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Page 27 and 28: Results: Application to Kavimba Aqu
Page 33 and 34: The Yanqi Basin and its problems (d
Page 39: Conclusions • The potential of re

Remote Sensing and Water management - FEFlow

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