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Articles sur Water cycle

Affichage de 1 à 20 de 31 articles

Water from the Mackenzie River, seen from a satellite, carries silt and nutrients from land to the Arctic Ocean. Jesse Allen/NASA Earth Observatory

Arctic rivers face big changes with a warming climate, permafrost thaw and an accelerating water cycle − the effects will have global consequences

A new study shows how thawing permafrost and intensifying storms will change how water moves into and through Arctic rivers.
The Seli’š Ksanka Qlispe’ Dam provides enough electricity for about 147,000 homes in the Flathead Indian Reservation in Montana. Martina Nolte via Wikimedia Commons

What is hydroelectric energy and how does it work?

How does flowing water make electricity? An engineer explains hydroelectric generation.
Boston got socked with nearly 2 feet of snow in late January 2022. Scott Eisen/Getty Images

Why a warming climate can bring bigger snowstorms

Winters are getting warmer, yet Bostonians were digging out from nearly 2 feet of snow from a historic blizzard in late January. Why is the Northeast seeing more big snowstorms like this?
In high alpine terrain, sun and dry air can turn snow straight into water vapor. Jeffrey Pang/WikimediaCommons

Snow can disappear straight into the atmosphere in hot, dry weather

As rivers run dry in the Rocky Mountains and the West, it’s easy to wonder where all the snow you see on mountain peaks goes. Some of it ends up in the air, but researchers aren’t sure how much.

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