Grand Prismatic Winter Steambath
by Wes and Dotty Weber
Title
Grand Prismatic Winter Steambath
Artist
Wes and Dotty Weber
Medium
Photograph - Photography
Description
The Grand Prismatic Spring in Yellowstone National Park is the largest hot spring in the United States and is located in the Midway Geyser Basin.
Grand Prismatic Spring was noted by geologists working in the Hayden Geological Survey of 1871, and named by them for its incredible colors. The vivid colors in the spring are the result of microbial mats around the edges of the mineral-rich water. The mats produce colors ranging from green to red; the amount of color in the microbial mats depends on the ratio of chlorophyll to carotenoids and on the temperature gradient in the runoff. In the summer, the mats tend to be orange and red, whereas in the winter the mats are usually dark green. The center of the pool is sterile due to extreme heat.
The deep blue color of the water in the center of the pool results from the intrinsic blue color of water. The effect is strongest in the center of the spring, because of its sterility and depth
Uploaded
January 10th, 2020
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