Category Archives: Colorado River

Existential threats in the Colorado River Basin

Not one thing explains the declining levels in Lake Mead, but one thing’s clear: another good snow year in the Rockies won’t solve the Colroado River problems.
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The causes of Lake Mead’s expanding bathtub ring

Drought has been blamed for declining water levels in Lake Mead and other Colorado River reservoirs, but Brad Udall also points to increased evaporation and transpiration resulting from rising temperatures. Continue reading

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Lake Powell tied at the turbines to ski lifts

Upcoming studies seek to get a firmer grip on how much water can be developed in the Colorado River headwaters without imperiling production of electricity at Glen Canyon Dam.
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Drought in Colorado River Basin best explained by temperatures

You must invoke temperature to explain the current Colorado River drought, says the Colorado Water institute’s Brad Udall about the intersection of water and global warming.

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Drying out of the American Southwest

A new study finds reduced precipitation in the American Southwest in the last several decades to accompany rising temperatures. But the big picture of water remains to be painted.
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Rising temperatures, receding Colorado River reservoirs

Declining reservoir levels in the Colorado River Basin have been blamed on drought since 2000, but water researcher Doug Kenney argues that it’s only third in the list of suspects, behind rising temperatures and growing populations. Continue reading

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Letting water flow down the Yampa to Lake Powell

irrigation at Colorado’s Carpenter Ranch along the Yampa River was suspended this year July 1, part of a pilot program in the Colorado River Basin intended to create greater flexibility in water in anticipation of drought. Continue reading

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Can cloud-seeding ride to the rescue?

Can’t technology save us from the hard edges of aridity in the American Southwest? In the case of cloud-seeding, the answer seems to be no, a well-funded and extensive experiment in Wyoming suggests. Continue reading

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Just add water and the Colorado River

Reservoirs on the Colorado River continue to drop after another so-so snow year, pointing to the need for new water management principles from eastern Colorado to the river’s delta in Mexico. Continue reading

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Water plan OK’d but talking will continue

Russ George spoke like a proud father, and in a way he was as the Colorado Water Conservation Board approved the draft of a state water plan. But allocation of what is arguably Colorado’s most precious resource remains the subject of contentious if generally civil debate. Continue reading

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