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precipitation

An illustration of rainfall estimates from ground-based radar and spaceborne Tropical Rainfall Measuring Mission (TRMM) radar
Posted inEditors' Highlights

Machine Learning Improves Satellite Rainfall Estimates

by Valeriy Ivanov 31 October 201925 July 2022

A new deep learning approach bridges ground rain gauge and radar data with spaceborne radar observations of Tropical Rainfall Measuring Mission to improve precipitation estimation.

Muscovite in polarized light
Posted inNews

Ancient Precipitation Reveals Clues About Mountains and Climate

Katherine Kornei, Science Writer by Katherine Kornei 17 September 20192 March 2023

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

Kate Wheeling, freelance science writer by Kate Wheeling 16 September 201910 February 2023

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

Schematic showing 4 difference scenarios in which atmospheric rivers affect the surface water budget
Posted inEditors' Highlights

Hydrological Footprint of Atmospheric Rivers on Land

by Minghua Zhang 10 September 201930 January 2024

Atmospheric rivers that make landfall in the western United States have significant impacts on the surface water balance, sharpening the seasonality of water resources in coastal watersheds.

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

Katherine Kornei, Science Writer 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.

Satellite image of Congolese rain forest with white clouds
Posted inNews

Congo Rain Forest Endures a Longer Dry Season

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org 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 20196 March 2023

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 201920 March 2023

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

A flooded neighborhood in San Diego, California.
Posted inResearch Spotlights

If Precipitation Extremes Are Increasing, Why Aren’t Floods?

by Terri Cook 17 April 201915 February 2023

Improving our understanding of the relationship between changes in precipitation and flooding due to rising temperature is a new grand challenge for the scientific community, argue the authors of a recent commentary.

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