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Subject: Geodesy

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InSAR: What it is and why you should care

Matthew Pritchard
Provides an overview of what Interferometric Synthetic Aperture Radar (InSAR) is and how it is used to measure surface motion for a variety of geoscience fields. Based on an article originally ...

GRACE: Tracking water from space

This 7-minute video gives an overview of the GRACE (Gravity Recovery and Climate Experiment) satellites and explains the technique of using gravity to measure mass movement such changing as ice and ...

What is Geodesy?

Overview of what traditional geodesy is, including descriptions of geoid, ellipsoid, datum, gravity, and GPS (global positioning system). Appropriate for high school or lower division college ...

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