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。
drought
Posted inResearch & Developments
Mexico Will Give U.S. More Water to Avert More Tariffs
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.
Posted inResearch Spotlights
Modeling the Past, Present, and Future of Drought
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.
Posted inResearch Spotlights
“Thirstwaves” Are Growing More Common Across the United States
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.
Posted inEditors' Highlights
Investigating Rainfall-Rich Periods in North America
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.
Posted inNews
Seismometers Provide Fuller Picture of Los Angeles Groundwater
A new method to evaluate deep aquifers shows even torrential rains haven’t fully replenished groundwater beneath Los Angeles.
Posted inResearch Spotlights
A Warming Climate Is Shifting Eurasian Drought Conditions
Researchers use tree ring records to help reconstruct hydroclimate patterns and isolate drivers of drought.
Posted inNews
Megadroughts Have Grown in Size and Scope
A new study maps and ranks the largest, longest-lasting, and most severe multiyear droughts from 1980 to 2018.
Posted inNews
California Storms Recharged Watersheds, Geodesy Data Reveal
The atmospheric rivers that soaked the state in early 2023 released enough water to warp the ground and douse a deep drought.
Posted inNews
Torrents of Sediment-Laden Water Worsened Disastrous Libyan Floods
Drought followed by torrential rain can unleash deadly floods in arid regions, like those that affected Libya in 2023.