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This week from AGU: More concentrated storms, methane emissions, and 4 research spotlights

American Geophysical Union


Climate change could cause more concentrated storms

Rising temperatures are causing heavy rain storms to become concentrated over smaller areas, a scenario that could cause extreme flooding in urban locations, according to a new study in Geophysical Research Letters.

North Dakota's Bakken oil and gas field leaking 275,000 tons of methane per year

That's the finding of a field study published in the Journal of Geophysical Research: Atmospheres measuring emissions of this potent greenhouse gas from the Bakken, which spans parts of North Dakota and Montana.

Scientists search the seas for soot

Black carbon resides in the oceans for tens of thousands of years, yet it's not as abundant as expected, given the sheer quantity of it produced on land, according to a new study in Geophysical Research Letters.

More than half of streamflow in the Upper Colorado River Basin originates as groundwater

The findings of a new study in Water Resources Research could help decision makers effectively manage current and future water resources in the Colorado River Basin.

What Does the Pacific Arctic's New Normal Mean for Marine Life?

Climate change has reconfigured Arctic ecosystems. A 5-year project focuses on the relationships among oceanographic conditions and the animals and other life-forms in this region.

Research Spotlights

How Much Dissolved Mercury Is Present in Streams?

The results of a new study in Water Resources Research suggest an improved understanding of the processes mobilizing mercury in soils will be necessary to predict water quality impacts.

Tropical Rainfall Intensifies While the Doldrums Narrow

Scientists show long-term changes in the Intertropical Convergence Zone's location, extent, and rainfall intensity in a new study in the Journal of Geophysical Research: Atmospheres.

Understanding the Distribution of Juvenile Jumbo Squid

An expanding zone of shallow, oxygen-depleted water in the eastern tropical Pacific Ocean may be vertically restricting the habitat of this important source of food, according to a recent study in the Journal of Geophysical Research: Oceans.

Was the Recent Slowdown in Surface Warming Predictable?

The temporary deceleration in warming across the Northern Hemisphere earlier this century could not have been foreseen by statistical forecasting methods, concludes a new study in Geophysical Research Letters.


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