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Geochemistry, Mineralogy, Volcanology

Research Spotlight 29 November 2017

Resolving a Mystery of the Ages

High-precision radiometric dates shed new light on the puzzling 600,000-year disparity in the timing of one of Earth’s most pivotal timescale boundaries.

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Geology & Geophysics

Research Spotlight 2 October 2017

Is the Lower Crust Convecting Beneath Mid-Ocean Ridges?

The first attempt to couple models of hydrothermal circulation and magmatic convection along fast-spreading ridges may explain the spacing of hydrothermal vent fields along the East Pacific Rise.

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Hydrology, Cryosphere & Earth Surface

Research Spotlight 29 September 2017

Cosmic Ray Neutrons Reveal Mountain Snowpacks

The first application of aboveground neutron sensing to evaluate alpine snowpacks indicates that this method can reliably detect average snow depth and water content across intermediate distances.

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Ocean Sciences

Research Spotlight 11 August 2017

New Baseline for Understanding Arctic Oxygen and Nutrient Fluxes

Significant spatial and temporal patterns emerge from the first pan-Arctic comparison of oxygen demand in marine sediments.

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Planetary Sciences

Research Spotlight 8 August 2017

Blending Satellite Data to Monitor Agricultural Water Use

A new technique that merges data gathered by multiple satellites can be used to monitor agricultural water use and improve water quality assessments around the globe.

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Natural Hazards

Research Spotlight 3 August 2017

A Promising New Tool for Forecasting Volcanic Hazards

A new model that simulates the behavior of surging ash clouds may help scientists to better predict the hazards associated with the deadliest type of volcanic flows.

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Biogeosciences

Research Spotlight 1 August 2017

The Competing Climate Effects of Elevation and Albedo

Variations in surface reflectivity are as important as surface elevation changes in determining regional climate at nonpolar latitudes, according to a new modeling study.

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Climate Change

Research Spotlight 1 August 2017

A Benchmark for Trace Greenhouse Gases in the Arctic Ocean

Samples of seawater from the North American Arctic show that the region is neither a major source nor sink of methane and nitrous oxide to the overlying atmosphere.

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Mathematical Geophysics

Research Spotlight 17 July 2017

A Powerful New Tool for Research

A novel interface allows users of MATLAB and GMT, two software packages widely used by the geoscience community, to simultaneously harness the capabilities of both products.

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Geochemistry, Mineralogy, Volcanology

Research Spotlight 26 June 2017

How Quickly Is Mercury’s Surface Evolving?

New measurements of impact craters on Mercury’s smooth plains suggest that the topography of the solar system’s innermost planet is changing at twice the rate of landforms on the Moon.

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