Rock Scar
by Jon Burch Photography
Title
Rock Scar
Artist
Jon Burch Photography
Medium
Photograph - Digital Photography
Description
This is what happens when rocks hits a tree. Why would rocks hit a tree you say? Answer – it is hurling down a mountain stream during a flash flood. As you can see, you don’t want to get hit by a fast moving rock as evidenced by this boulder scar and bark striped trunk left on a Rocky Mountain tree during the 1976 Big Thompson River flood in northern Colorado…
On July 31, 1976, during the celebration of Colorado's centennial, the Big Thompson Canyon was the site of a devastating flash flood that swept down the steep and narrow canyon, claiming the lives of 143 people, 5 of whom were never found. This flood was triggered by a nearly stationary thunderstorm near the upper section of the canyon that dumped 12 inches of rain in less than 4 hours amounting to more than 75% of the average annual rainfall for the area. Little rain fell over the lower section of the canyon, where many of the victims died.
Around 9 p.m., a wall of water more than 20 feet high raced down the canyon at about 14 mph, destroying 400 cars, 418 houses and 52 businesses and washing out most of U.S. Route 34. This flood was more than 4 times as strong as any in the 112-year record available in 1976, with a discharge of 35,000 cubic feet each second.
Some digital effects were applied to the original image after the photograph was made. No electrons were harmed during the transition.
Image copyright 2022 Jon Burch Photography.
Uploaded
February 6th, 2022
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