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Geology & Geophysics

Research Spotlight 23 June 2017

Accounting for Accelerated East Coast Sea Level Rise

An analysis of tide gauge records and physical models shows acceleration of sea level rise on the East Coast due to melting of the Greenland Ice Sheet is especially pronounced south of 40°N latitude.

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Climate Change

Research Spotlight 15 June 2017

How Will Climate Change Affect the California Current Upwelling?

The results of new simulations that account for internal climate variability contrast with previous projections of how this vital West Coast current will respond to anthropogenic warming.

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Geochemistry, Mineralogy, Volcanology

Research Spotlight 15 June 2017

Lab Tests Probe Carbon Planets’ Inner Dynamics

Thermal convection in deep interiors could be more vigorous in carbide planets than in comparably sized silicate planets, according to new high-pressure measurements of silicon carbide.

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Planetary Sciences

Research Spotlight 7 June 2017

Meteorites Mix Moon’s Surface at Both Small and Large Scales

A three-dimensional model of material transport suggests that impact cratering can mix lunar soils across distances of more than 100 kilometers.

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Geochemistry, Mineralogy, Volcanology

Research Spotlight 15 May 2017

Unraveling the History of the India-Asia Collision

A study of deformed and metamorphosed rocks exposed in Tibet’s Lopu Range suggests that episodes of crustal shortening and extension during the evolution of the Himalaya are related to subduction processes.

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Geology & Geophysics

Research Spotlight 9 May 2017

Diagnosing Cryptic Remagnetization in Sedimentary Rocks

To understand the ancient movement of Earth’s tectonic plates, comprehensive magnetic and petrographic studies are needed to detect secondary magnetization in carbonates and other sedimentary rocks.

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Hydrology, Cryosphere & Earth Surface

Research Spotlight 8 May 2017

How Do Rivers Flow over Bedrock?

A study questions whether the hydraulics of rivers that lack loose sediments along their bottoms can be accurately depicted by standard equations for flow over sediment.

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Geology & Geophysics

Research Spotlight 4 May 2017

Reinterpreting the Age and Origins of Taiwan’s Yuli Belt Terrane

Uranium-lead dating of zircons from Taiwan’s east central metamorphic belt offers robust evidence that this uplifted terrane is some 90 million years younger than previously thought.

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Atmospheric Sciences

Research Spotlight 4 May 2017

What’s the Average Methane Isotope Signature in Arctic Wetlands?

Aircraft measurements confirm that methane emissions from northern European wetlands exhibit a uniform regional carbon isotopic signature, despite considerable ground-level heterogeneity.

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Hydrology, Cryosphere & Earth Surface

Research Spotlight 24 April 2017

What Causes Rock Avalanches?

Experimental studies of frictional weakening beneath a deadly rock avalanche in China help to clarify the mechanisms that cause these devastating natural disasters.

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