Author Profile: T Cook

Publications from T. Cook

Geochemistry, Mineralogy, Volcanology

Secondary electron microscope images showing microstructures of stressed grains.

Research Spotlight 8 December 2017

Probing the Grain-Scale Processes That Drive Plate Tectonics

New experimental data suggest that rock composition may play a critical role in forming and perpetuating shear zones.

Geochemistry, Mineralogy, Volcanology

Researchers use radiometric dating to distinguish the timing of one of Earth’s most pivotal timescale boundaries.

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.

Geology & Geophysics

Researchers look to hydrothermal vents for clues into the movement of Earth’s lower crust

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.

Hydrology, Cryosphere & Earth Surface

Researchers use a new technique to better understand alpine snowpacks and track average snow depth and water content

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.

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.

Planetary Sciences

Flux towers, such as this one in a Maryland corn field, provide continuous measurements of evapotranspiration.

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.

Natural Hazards

Researchers draft a new model to better simulate deadly pyroclastic flows.

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

Satellite image of land surface in South Asia, observed in August 2004, from the Blue Marble data set.

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.

Climate Change

New research suggests North American Arctic waters are neither source nor sink for greenhouse gasses

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.

Mathematical Geophysics

Researchers demonstrate how two popular software packages can be used together for better efficiency

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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