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Precipitation

Muscovite in polarized light
Posted inNews

Ancient Precipitation Reveals Clues About Mountains and Climate

by Katherine Kornei 17 September 20197 October 2021

By studying the chemical signatures of 300-million-year-old precipitation, researchers find evidence that the supercontinent Pangea contained peaks as tall as the European Alps.

Vinícius Mendes collects a sediment sample from a former river terrace of the Parnaíba River in Brazil.
Posted inResearch Spotlights

A New Proxy for Past Precipitation

by Kate Wheeling 16 September 20194 October 2021

Researchers used luminescence signals from marine sediment cores to bolster estimates of precipitation levels on land over the past 30,000 years.

Graphs showing correlations between satellite retrievals (GPROF) and ground-based (MRMS) observations of precipitation
Posted inEditors' Highlights

Accounting for the Fact that Snow Falls Slower than Rain

by Alessandra Giannini 26 August 201911 August 2022

When calibrating satellite observations with ground-based ones, estimated precipitation rates are improved by considering that snow takes longer to fall compared to rain.

Buckled asphalt caused by a slow-moving landslide
Posted inNews

Rainfall Kick-Starts Slow-Moving Landslides

by Katherine Kornei 22 August 20195 October 2021

A census of hundreds of slow-moving landslides in Northern California reveals an uptick in the number and speed of landslides in 2017, the second-wettest year on record.

Map of landslide activity in California between April 2016 and February 2018
Posted inEditors' Highlights

Landslide Activity Ramps Up With Extreme Rainfall

by Amy E. East 29 July 201916 July 2019

An increase in activity of hundreds of slow-moving landslides during extreme wet conditions in California provides insights into the landscape response to ongoing climate change.

Satellite image of Congolese rain forest with white clouds
Posted inNews

Congo Rain Forest Endures a Longer Dry Season

by Kimberly M. S. Cartier 25 July 201929 April 2022

The forest’s dry season has been starting earlier and ending later for decades, making parts of it vulnerable to incursions by drought-resistant ecosystems.

Cumulus congestus clouds like these are usually a sign of incoming rain.
Posted inResearch Spotlights

One Step Closer to a Milestone in Climate Modeling

by David Shultz 24 July 201911 August 2019

A pair of revisions to the Energy Exascale Earth System Model improves its ability to capture late afternoon and nocturnal rainfall as well as the timing and movement of convection.

Heavy rain splashing on the ground
Posted inResearch Spotlights

Extreme Precipitation Expected to Increase with Warming Planet

by David Shultz 11 June 201911 June 2019

A new analysis indicates that the frequency and magnitude of extreme precipitation events are expected to increase as Earth continues to warm.

Tropical storm brews over Seychelles archipelago
Posted inResearch Spotlights

Precipitation in the Tropics: A New View

by Terri Cook 10 April 2019

The first study to simultaneously investigate precipitation and cloud structures in tropical weather systems concludes observation systems significantly overestimate the height of raining clouds.

A dry drainage basin in Sossusvlei, Namibia
Posted inResearch Spotlights

What Climate Models Get Wrong About Future Water Availability

by E. Underwood 5 April 2019

Models that accurately represent past and present rainfall provide more accurate projections of water availability, a new study suggests.

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From AGU Journals

MOST SHARED
Geophysical Research Letters
“Thermal and Illumination Environments of Lunar Pits and Caves: Models and Observations from the Diviner Lunar Radiometer Experiment”
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“NRLMSISE-00 empirical model of the atmosphere: Statistical comparisons and scientific issues”
By J. M. Picone et al.

HOT ARTICLE
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“Cyanobacteria and Algae Meet at the Limits of Their Habitat Ranges in Moderately Acidic Hot Springs”
By Kristopher M. Fecteau et al.


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