Page 4: Research news on droughts

Droughts, as a research topic, encompass the characterization, drivers, impacts, and prediction of prolonged periods of abnormally low water availability in the atmosphere, soil, and hydrological systems. Scientific study distinguishes meteorological, agricultural, hydrological, and socio-economic droughts, often quantified using indices such as the Standardized Precipitation Index or Palmer Drought Severity Index. Research investigates land–atmosphere feedbacks, large-scale circulation anomalies, soil moisture deficits, vegetation stress, and groundwater depletion, as well as the modulation of drought frequency, duration, and intensity by climate variability and anthropogenic climate change, with implications for water resources management, ecosystem functioning, and risk assessment.

High-resolution atlas shows how thirsty plants hold out during drought

The United States and Mexico have been in a historic megadrought since the turn of the century. For more than 25 years, the American Southwest has faced the severe social and economic consequences of this megadrought—including ...

Drought hits gulf fisheries, sparking food security fears

A severe and prolonged U.S. drought in the late 1980s played a central role in one of the largest fisheries declines ever recorded in the Gulf of Mexico, according to a new study published in Nature Communications.

Can rapid evolution 'rescue' species from climate change?

A potted scarlet monkeyflower would die within a few days without water. But multiple natural populations of the species survived an extreme, four-year drought in California, and researchers now know why: The flowers were ...

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