Grand Canyon Flood – Flooding the Grand Canyon to revive wildlife

Grand Canyon Flood - Flooding the Grand Canyon Since the Glen Canyon Damn was built in the Grand Canyon nearly 4 decades ago (forming Lake Powell), the annual floods of the canyon have been limited, if not ceased altogether. These annual floods were caused by snow-melt and runoff from other streams and rivers, and in the end they helped infuse the Colorado River in the Grand Canyon with sediment, sandbars and beaches. The flooding is now seen as a necessity by ecologists and hydrologists to maintain the ecosystem within the Colorado River. It seems that the periodic flooding of the Grand Canyon will actually help wildlife, including the humpback chub, which is now seen in lower numbers than ever.

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