Author Profile: S Hall

Shannon Hall

Publications from S. Hall

An artist’s impression shows the view from the surface of one of the seven worlds that circle the cool dwarf star TRAPPIST-1.

News 12 May 2017

A New Theory May Explain “Impossible” TRAPPIST-1 Planets

The proposed formation scenario relies on unconventional processes to account for a bevy of seven Earth-sized exoplanets recently found orbiting an unlikely star.

Geochemistry, Mineralogy, Volcanology

Improving the equation of state for silica can provide insight into the big impacts that shaped the solar system.

Research Spotlight 8 November 2016

New Insight into Silica Explains Planetary Smashup

A better equation of state for silica will help planetary scientists accurately constrain the giant impacts that have shaped our solar system.

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Geology & Geophysics

Tracking global gravity changes can help scientists better understand natural hazards like droughts and lava flows.

Research Spotlight 7 November 2016

A New Model to Improve Gravity Models

Data from the Gravity Recovery and Climate Experiment (GRACE) mission gets a new and improved look.

Hydrology, Cryosphere & Earth Surface

Improved modeling of water runoff from heavy rainfall events could help communities prepare for hazards like the 2016 flooding in Baton Rouge.

Research Spotlight 3 November 2016

Modeling Rainfall Runoff

New framework unifies existing models for better analysis of the flowing water produced by heavy rain events.

Hydrology, Cryosphere & Earth Surface

Scientists find new clues to explain how rivers get their shape.

Research Spotlight 2 November 2016

Groundwater: A Hidden Influence on River Shape

A new study shows how groundwater influences river dynamics and channel pattern.

Climate Change

Research Spotlight 18 October 2016

Can We Predict the Future of Ocean Carbon Dioxide Uptake?

A new understanding of uncertainties in climate change models allows scientists to decide which source to tackle first in order to better forecast our planet's changing climate.

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Biogeosciences

Variations in rock hold clues to the movement of the intertropical convergence zone and how it may have influenced the Earth’s climate. Title tag: Variations in rock hold clues to the movement of the intertropical convergence zone and how it may have influenced the Earth’s climate.

Research Spotlight 10 October 2016

Simulating the Climate 145 Million Years Ago

A new model shows that the Intertropical Convergence Zone wasn't always a single band around the equator, which had drastic effects on climate.

Atmospheric Sciences

cloud-climate-modeling-decomposition-feedback

Research Spotlight 3 October 2016

Eliminating Uncertainty One Cloud at a Time

The impact of clouds on climate change has been a scientific mystery for decades. Now researchers are fighting to gain the upper hand.

Geology & Geophysics

seismology-model-study-subduction-zone-characteristics

Research Spotlight 26 September 2016

Seismological Models Are Biased, but Scientists Have a Solution

Many seismic wave models are based on an erroneous assumption about the Earth's interior. A new technique corrects this by eliminating false signals produced by models.

Planetary Sciences