#Scientists look into tropopause to find early signals of persistent strong rainfall

“#Scientists look into tropopause to find early signals of persistent strong rainfall” Schematic illustration of precursor signal and synoptic system configuration along isentropic surface for persistent strong precipitation events in South China. Credit: ZHAO Liang The flooding season had just ended in China. Persistent strong precipitation events in many regions of China resulted in severe…

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#Dust may have controlled ancient human civilization

“#Dust may have controlled ancient human civilization” Map shows the Levant region (shaded in orange), which is the western part of the overall Fertile Crescent region (shaded in yellow); the study areas in Israel and Crete are in dashed gray boxes. Arrows from the Sahara and Negev Deserts show dust transport patterns, and their thicknesses…

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#Nearly 100 earthquakes swarm Yellowstone in 24 hours. Here’s what experts are saying

“#Nearly 100 earthquakes swarm Yellowstone in 24 hours. Here’s what experts are saying” Credit: Unsplash/CC0 Public Domain A swarm of 91 earthquakes rattled the Yellowstone National Park region in just 24 hours on Thursday, according to the United States Geological Survey. The quakes trembled southwest of Yellowstone Lake between Heart Lake and West Thumb. Although…

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#Ancient volcanoes once boosted ocean carbon, but humans are now far outpacing them

“#Ancient volcanoes once boosted ocean carbon, but humans are now far outpacing them” A living foraminifera, a type of marine plankton, that researchers grew in laboratory culture. To reconstruct past climate, fossilized specimens are collected from deep sea sediments. Credit: Bärbel Hönisch/Lamont-Doherty Earth Observatory A new study of an ancient period that is considered the…

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#The world’s first digital snow guide

“#The world’s first digital snow guide” Credit: CC0 Public Domain The bilingual Snow Competence website gathers together all available knowledge on how to ensure good snow conditions in the future, in the most efficient and sustainable way possible. The research-based website is available in Norwegian and English. “Such a portal has been in demand for…

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#Arctic transitioning to a new climate state

“#Arctic transitioning to a new climate state” Credit: CC0 Public Domain The fast-warming Arctic has started to transition from a predominantly frozen state into an entirely different climate, according to a comprehensive new study of Arctic conditions. Weather patterns in the upper latitudes have always varied from year to year, with more or less sea…

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#Winds of change move western smoke into the Pacific

“#Winds of change move western smoke into the Pacific” NOAA/NASA’s Suomi NPP satellite captured these series of images (made into an animated GIF) showing the winds changing direction on Sep. 06, 2020 when choking clouds of brown smoke began to billow and cascade into the Pacific Ocean. (Dates displayed in lower left hand corner.) By…

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#La Nina develops during peak hurricane season

“#La Nina develops during peak hurricane season” Credit: NOAA Headquarters A La Nina climate pattern has developed and is likely to persist through the winter, according to an advisory issued today by NOAA’s Climate Prediction Center. La Nina —translated from Spanish as “little girl”— is a natural ocean-atmospheric phenomenon marked by cooler-than-average sea surface temperatures…

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