The Rainbow Of Water - Grand Prismatic Spring

Title

The Rainbow Of Water - Grand Prismatic Spring

Artist

Jan Mulherin

Medium

Photograph - Digital Photography-enhanced

Description

On my list of “must see” attractions in Yellowstone National Park was the Grand Prismatic Spring. The Grand Prismatic Spring is the largest hot spring in the United States, and the third largest in the world. It is located in the Midway Geyser Basin. While my husband and I were in the basin on a cold and cloudy morning, I still think the Grand Prismatic Spring is spectacular! My husband and I hiked to the overlook, but this spring can also be viewed along a boardwalk (seen to the left of the spring).

Grand Prismatic Spring was noted by geologists working in the Hayden Geological Survey of 1871, and named by them for its striking coloration. Its colors match most of those seen in the rainbow dispersion of white light by an optical prism: red, orange, yellow, green, and blue.

The first records of the spring are from early European explorers and surveyors. In 1839, a group of fur trappers from the American Fur Company crossed the Midway Geyser Basin and made note of a "boiling lake", most likely the Grand Prismatic Spring, with a diameter of 300 feet (90 m). In 1870 the Washburn–Langford–Doane Expedition visited the spring, noting a 50-foot (15 m) geyser nearby (later named Excelsior).

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.

(Wikipedia)

The keywords associated with this image are Grand, Prismatic, spring, vivid, colors, Yellowstone, national, park, colorful, nature, beauty, outdoors, Wyoming, and Jan Mulherin.

All photographs and artworks in this portfolio are copyrighted and owned by the artist, Jan Mulherin. Any publication, reproduction, modification, transmission, transfer, or exploitation of any of the content, for personal or commercial use, whether in whole or in part, without written permission from Jan Mulherin is prohibited. The images may not be copied, reproduced, manipulated or used in any way without written permission of Jan Mulherin. Any unauthorized usage will be prosecuted to the full extent of U.S. Copyright Law. All images on this web site are protected by the U.S. And international copyright laws. All rights reserved.

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September 18th, 2019

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