Study: Dams Help The NW Cope With Climate Change

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dams 300x259 Study: Dams Help The NW Cope With Climate ChangeA new study suggests Columbia River Basin dams are helping the Northwest cope with climate change.

Scientists say one result of rising average temperatures is that water from snowmelt is flowing earlier into rivers. That could mean lower flows during summer and fall when the water is needed for fish and crop irrigation.

But the new study says Columbia River Basin dams are helping offset these shifts.

Julia Jones from Oregon State University co-authored the report. She says those dams give water managers the ability to hold water in reservoirs so it is available it is most needed in late summer for irrigation, flood control, recreation, hydropower, ship navigation, or fish migration.

“The dams are doing what they are supposed to do, which is to use engineering and management to buffer us from climate variability and climate warming,” Jones said.

That’s one reason water scarcity has not been a problem in the Columbia Basin the way it has in places like the Klamath basin of southern Oregon and northern California.

The study was published in the Canadian journal Atmosphere-Ocean. It was financed by a grant from the National Science Foundation. Its authors looked at seven sub-basins of the Columbia River, as well as the main stem of the Columbia. These river systems included the Bruneau, Entiat, Snake, Pend Oreille, Priest, Salmon and Willamette rivers.

By David Steves for EarthFix, a NW News Exchange co-op member

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