Bird Map (IMAGE)

Duke University

Bird Map

Caption

This is Landsat satellite data showing the presence of water for spring months in the Sacramento Valley from 1983 to 2015. This frequency was calculated as the number of times water was identified in each pixel, corrected by the total number of cloud-free instances.

Credit

<i>Remote Sensing of Environment</i>, May 2017, pgs. 180-192.

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