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Why Great Plains rivers depend on wetlands as well as climate
المصدر: Phys.org - latest science and technology news stories · نُشر
When a prairie river carries more water in one year than another, the obvious place to look for an explanation is the sky. A year with more snow and rain should have more water in rivers. That was also how I initially thought about year-to-year changes in river flow. But while st
When a prairie river carries more water in one year than another, the obvious place to look for an explanation is the sky. A year with more snow and rain should have more water in rivers. That was also how I initially thought about year-to-year changes in river flow.
But while studying the Prairie Pothole Region, I learned that this is only part of the story. What happens after water reaches the ground can be just as important as how much falls from the sky.
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'Flying rivers' above South America form drainage networks resembling those on land
Water does not flow only through rivers on the ground. Vast quantities of water also move through the atmosphere, carried by winds from oceans and land before eventually falling as precipitation hundreds or even thousands of kilometers away. These persistent pathways of atmospher
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A forgotten 30-year forest experiment just delivered a huge surprise
A 30-year forestry experiment in Australia found that heavily thinned mountain ash forests grew unusually large trees while recovering enough carbon to match or exceed untouched areas. The results suggest carefully managed thinning could support timber production, wildlife habita
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Scientists just found a new way to make hydrogen from water
A new light-activated material can efficiently produce hydrogen from water without requiring an additional expensive metal catalyst. Researchers say its unusual sulfur-based chemistry could point toward cheaper and more practical ways to turn sunlight into clean fuel.
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Diet drinks work as well as water for weight loss, major trial finds
A two-year randomized clinical trial involving 493 adults with overweight or obesity found that diet soft drinks were essentially as effective as water for long-term weight loss and weight maintenance. Participants drinking beverages sweetened with aspartame, acesulfame-K, or suc
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Could El Niño mean there are no Atlantic hurricanes this year?
For the first time in three decades there has not been a single Atlantic hurricane in September, normally the most active month.
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