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The natural world. Looking pretty for 3.5b years.

Re-photography Rules

Re-photography Rules

rephotography can be applied to uncover short-term environemtal changes

Author: Hugh Bollinger/Thursday, November 7, 2019/Categories: natural history, photography, environment, climate change

                                          Amur River, northeast Russia (credit: NASA Aqua program)

Re-photography is a powerful tool for monitoring environmental changes.

Typically re-photography is used to capture duplicate images of a specific location to visualize environmental changes over decades or centuries but it can be used to monitor much shorter timelines. Satellite images retaken less than a month apart show drastic landscape alterations in Russia's Far East from an extreme rainfall event. According to NASA, the space agency's Aqua program monitored floods created by extreme rainfall that occurred in Russia. The massive waters moved north along the entire length of the Amur River creating a long lake where the river had been. The floods reached to the city of Komsomolsk-on-Amur, where approximately a half a million people live.

The comparison of infrared re-photographs are impressive.

 
  Amur River, 8-17-2013 (credit: NASA)          Amur River, 9-8-2013  (credit: NASA)


The environmental factors that create extreme rainfall events were investigated and climate change appears the obvious culprit. 

WHB

 

 

 

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