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drought

A researcher in a hard hat sits in a backlit cave with a small metal instrument.
Posted inNews

Major Droughts Coincided with Classic Maya Collapse

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 24 September 202524 September 2025

Understanding how individual cities responded to climate stress will help create holistic pictures of how these societies functioned.

A shallow green-blue river with large brown-gray rocks.
Posted inResearch Spotlights

Droughts Sync Up as the Climate Changes

by Rebecca Owen 18 September 202518 September 2025

A new study reconstructs roughly 800 years of streamflow history in India’s major rivers, showing an increase in synchronous drought linked to anthropogenic climate change.

A tractor pulling a plow over a dirt field and generating dust is seen from above.
Posted inNews

Fallowed Fields Are Fueling California’s Dust Problem

by Andrew Chapman 13 June 202512 June 2025

New research shows that unplanted agricultural lands are behind most of the state’s anthropogenic dust events.

意大利一个干涸的、多边形的湖盆展现了 2017 年的干旱状况。
Posted inResearch Spotlights

气候变暖正在改变欧亚大陆的干旱状况

Sarah Derouin, Science Writer by Sarah Derouin 15 May 202515 May 2025

研究人员利用树木年轮记录重建水文气候模式,并找出干旱的驱动因素。

A satellite image of dry, brown land with a blue-green river winding horizontally through the center of the image.
Posted inResearch & Developments

Mexico Will Give U.S. More Water to Avert More Tariffs

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 29 April 20255 May 2025

Mexican and U.S. officials announced that Mexico will immediately transfer some of its water reserves to the United States and also allow a larger share of the Rio Grande River to flow into the United States.

A gif flips back and forth between two images of the Po River Basin. In June 2020, it appears much greener than in June 2022.
Posted inResearch Spotlights

Modeling the Past, Present, and Future of Drought

by Rebecca Owen 18 April 202518 April 2025

A new study combines historical observations, climate modeling, and data from tree rings to create a fuller picture of historic as well as potential drought conditions.

A large machine irrigates crops as the Sun rises in the background. The machine stretches into the distance out of frame and looks similar to a skeleton of a creature with many sets of legs.
Posted inResearch Spotlights

“Thirstwaves” Are Growing More Common Across the United States

by Rebecca Owen 7 April 20257 April 2025

Like heat waves, these periods of high atmospheric demand for water can damage crops and ecosystems and increase pressure on water resources. New research shows they’re becoming more severe.

Graphs from the study.
Posted inEditors' Highlights

Investigating Rainfall-Rich Periods in North America

by Alberto Montanari 3 April 20253 April 2025

A record of soil moisture that extends over one thousand years allows for the investigation of occurrence and causes of modern and historical rainfall-rich periods.

The Los Angeles River passes under a bridge at sunset.
Posted inNews

Seismometers Provide Fuller Picture of Los Angeles Groundwater

by Grace van Deelen 19 March 202519 March 2025

A new method to evaluate deep aquifers shows even torrential rains haven’t fully replenished groundwater beneath Los Angeles.

A cracked, polygonal, dried lake basin in Italy shows what the drought conditions were like in 2017.
Posted inResearch Spotlights

A Warming Climate Is Shifting Eurasian Drought Conditions

Sarah Derouin, Science Writer by Sarah Derouin 24 February 202515 May 2025

Researchers use tree ring records to help reconstruct hydroclimate patterns and isolate drivers of drought.

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