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Climate Change

Research Spotlight 10 October 2017

Summer Rainfall Patterns in East Asia Shift with the Wind

Decades of data reveal the link between westerly winds and year-to-year changes in monsoon rainfall.

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Atmospheric Sciences

Research Spotlight 9 October 2017

Ocean Dynamics May Drive North Atlantic Temperature Anomalies

A new analysis of sea surface temperature and salinity over several decades seeks to settle the debate on which of two mechanisms underlies the Atlantic Multidecadal Oscillation.

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Mathematical Geophysics

Research Spotlight 5 October 2017

Open-Source Tool Aims to Boost Confidence in Ice Sheet Models

The software could help strengthen ice sheet models to provide a better basis for policy decisions.

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Hydrology, Cryosphere & Earth Surface

Research Spotlight 26 September 2017

California Floods Linked to Atmospheric Water Vapor “Rivers”

Narrow atmospheric streams of water vapor that deliver heavy rains are more commonly associated with floods and debris flows in northern California than with flash floods in southern California.

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Geology & Geophysics

Research Spotlight 26 September 2017

A New Baseline to Monitor Earth’s Dynamic Surface

Researchers devise a new mathematical approach to combine space- and ground-based observations into an alternative reference frame for monitoring the changing positions of Earth’s features.

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Atmospheric Sciences

Research Spotlight 20 September 2017

Lightning Strikes May Leave Traces Like Those of Meteorites

Scientists have long interpreted shocked quartz as definitive evidence of a past meteorite impact, but the shock wave caused by lightning striking granite also produces this distinctive feature.

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Geology & Geophysics

Research Spotlight 19 September 2017

Quiet Volcanic Activity Changes Speed of Ambient Seismic Waves

Seismic data collected continuously for 4 years could improve understanding of geological structures that underlie Japan’s Izu Oshima volcanic island.

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Space Science & Space Physics

Research Spotlight 6 September 2017

Federal Space Weather Research Could Improve Hazard Preparation

Researchers outline the history of the U.S. government’s involvement in space weather research, from before World War II, through the Space Race, and beyond.

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Biogeosciences

Research Spotlight 1 September 2017

Microbes May Thrive in Subsea Permafrost Long After Flooding

Two cores from the East Siberian Arctic Shelf reveal how microbial communities develop over thousands of years as submarine permafrost slowly thaws.

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Hydrology, Cryosphere & Earth Surface

Research Spotlight 28 August 2017

What Controls the Shape of Steep Mountain Streams?

The shape of steep river streams changes systematically with channel slope, but field data and theoretical analysis reveal that slope is not the sole factor in setting a channel’s form.

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