Tourist Pollution results Yellowstone National Park hot Springs color change, finds research

December 21, 2014 8:29 PM

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A Brilliant Blue could be a color of Yellowstone’s hot springs – proposed researchers based on a mathematical model that used optical measurements to assess the impact of physical and chemical variables on the pools. The coins and garbage thrown by tourists are responsible for the contamination and color change of the hot springs.

A one dimensional model used by scientists used digital SLR cameras, long-wave thermal imaging cameras, and handheld spectrometers. The study attributed the change on springs’ water color to lower water temperatures triggered by the ‘microbial mat composition’ located within those springs. Alongside...

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