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G. Sofia

Three-part image showing maps of the Missouri River near Council Bluffs, Iowa, and Omaha, Neb., in 1893 (left) and 2013 (middle) as well as a satellite image of the same area from 2019
Posted inOpinions

It’s Time to Revise Estimates of River Flood Hazards

by G. Sofia, E. I. Nikolopoulos and L. Slater 16 March 202021 February 2023

Accurately assessing flood hazards requires a better understanding of the feedbacks between natural and human influences on the characteristics of rivers.

3-D view of Bingham Canyon Mine, Utah, an example of a human-made topographic fingerprint on the landscape.
Posted inOpinions

Mapping the Topographic Fingerprints of Humanity Across Earth

by P. Tarolli, G. Sofia and E. Ellis 16 March 20176 March 2023

If increasingly globalized societies are to make better land management decisions, the geosciences must globally evaluate how humans are reshaping Earth's surface

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