In 1996, scientists caused an experimental flood of the Colorado River by releasing water from Glen Canyon Dam above the Grand Canyon.

1996年，科学家从大峡谷上方的格伦峡谷大坝放水，造成科罗拉多河实验性洪水。

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Environmental groups now have a very good chance of forcing the removal of two major dams, the Glen Canyon Dam on the Colorado and the Hetch Hetchy Dam in Yosemite.

环保组织现在很可能会强制拆除掉两座重要大坝——科罗拉多的格伦峡谷大坝和约塞米蒂的赫奇赫奇大坝。

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A portion of Glen Canyon, just downstream of Glen Canyon Dam on the Colorado River in Arizona, United States.

这是格兰峡谷的一部分，是紧靠格兰峡谷大坝的下游处。这个大坝位于美国亚利桑那州的科罗拉多河上。

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In the years since the Glen Canyon dam was built, several species have vanished altogether.

ECONOMIST: Flooding the Grand Canyon

But trout and chub co-existed until the Glen Canyon dam was built, so something else is going on.

ECONOMIST: Flooding the Grand Canyon

Daniel Kraker of member station KNAU takes us to the shores of Lake Powell, the gigantic reservoir behind the Glen Canyon Dam.

NPR: Struggling over Water: A Series Overview