Current regulations and reservoir management practices impede efforts to deal with sediment accumulation behind U.S. dams. New approaches are needed to improve reservoir sustainability.
Hazards & Disasters
Migrant Workers Among the Most Vulnerable to Himalayan Disasters
Critics say companies are failing to develop adequate emergency procedures to protect construction workers on hydropower plants in the Himalayas.
Extreme Rainfall Statistics May Shift as U.S. Climate Warms
Precipitation data and high-resolution modeling suggest that extreme rainfall events under a changing climate will be shorter, more intense, and more widely spread out.
Upward Lightning Takes Its Cue from Nearby Lightning Events
Lightning in a thunderstorm changes the electromagnetic field in a way that sparks upward lightning from tall structures.
Descifrando las causas de la actividad de los huracanes en el pasado
Registros individuales de paleohuracanes extraídos de los sedimentos de islas azotadas por tormentas no muestran una clara influencia del clima en la frecuencia de los huracanes en el último milenio.
Relating Seismicity and Volcano Eruptions
A global study suggests that volcanic eruption forecasting and detection may be improved by examining earthquake mechanisms and clustering in combination with individual volcano properties.
Rare Wintertime Thunderstorms Recorded over the U.S. Gulf Coast
“Thundersnow”—thunderstorm activity accompanying a winter storm—was spotted near southern Texas earlier this year.
Ciertas formaciones rocosas pueden provocar riesgos de radón en los hogares
Investigadores de Kentucky han combinado resultados de kits de pruebas domésticas con el mapa geológico del estado para elaborar un mapa del potencial de radón en interiores basado en la geología subyacente a las viviendas del estado.
Tackling Challenges of a Drier, Hotter, More Fire-Prone Future
Research is increasingly showing how drought, heat, and wildfire influence each other. Ongoing collaborations provide templates for how best to study these phenomena and plan for their future impacts.
Aerosol Scientists Try to Clear the Air About COVID-19 Transmission
“We are basically doing what a public health agency should be doing.”
