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“#What will COVID-19 look like to geologists in the far future?” Credit: Nazan Katircioglu / shutterstock COVID-19 is a major global shock that has turned our lives upside down, but how does it measure up on the grand billion-year scale of Earth history? The answer puts our human dramas in the largest perspective—and may yet…
“#Eavesdropping on trout building their nests” Rainbow trout in the Mashel River in the US state of Washington. Credit: James Losee, Washington Department of Fish and Wildlife Steelhead trout (Oncorhynchus mykiss) stir up the sediment of the river bed when building their spawning pits, thus influencing the composition of the river bed and the transport…
“#Pristine environments offer a window to our cloudy past” Credit: CC0 Public Domain A new study uses satellite data over the Southern Hemisphere to understand global cloud composition during the industrial revolution. This research tackles one of the largest uncertainties in today’s climate models—the long-term effect of tiny atmospheric particles on climate change. Climate models…
“#2,000 years of storms in the Caribbean” Aerial photograph of the Blue Hole, a flooded karst sinkhole on Lighthouse Reef, Belize, where the research team from Frankfurt was able to tap into 2,000-year-old sediment layers. Credit: Gischler The hurricanes in the Caribbean became more frequent and their force varied noticeably around the same time that…
“#Climate shift, forest loss and fires: Scientists explain how Amazon forest is trapped in a vicious circle” ccumulated forest loss during 2001-2017 and fire regime change during the transition season (May-July). Credit: Xu Xiyan Amazonia experiences seasonal fires each year. More than 90% of the fires are distributed across the southern boundary of Amazon Basin where…
“#International analysis narrows range of climate’s sensitivity to carbon dioxide” A blazing sunset lights up the evening sky. Credit: NOAA (Unsplash) The most advanced and comprehensive analysis of climate sensitivity yet undertaken has revealed with more confidence than ever before how sensitive the Earth’s climate is to carbon dioxide. For more than 40 years, the…
“#Data assimilation significantly improves forecasts of aerosol and gaseous pollutants across China” Evaluation indicators (a) CORR, (b) RMSE, and (c) MFE for Control (blue) and Assimilation experiments (red) as a function of forecast range regarding pollutants PM2.5, PM10, SO2, NO2, CO, and O3, respectively, from top-to-bottom. Credit: Science China Press Aerosols are important components of…
“#Using techniques from astrophysics, researchers can forecast drought up to ten weeks ahead” Credit: CC0 Public Domain Researchers at the University of Sussex have developed a system which can accurately predict a period of drought in East Africa up to ten weeks ahead. Satellite imagery is already used in Kenya to monitor the state of…
“#Geoengineering is just a partial solution to fight climate change” Potential geoengineering methods for injecting sulfur dioxide into the upper atmosphere to create sulfuric acid clouds that limit global warming. Credit: AGU/Brian West Could we create massive sulfuric acid clouds that limit global warming and help meet the 2015 Paris international climate goals, while reducing…
“#The Anthropocene signature on Mount Elbrus, Caucasus” Glaciologists on the mt. Elbrus Glacier, in 2018. Credit: Sarah Del Ben / Ice Memory Researchers of the Institute of Polar Sciences of the Italian National Research Council and of the Ca’ Foscari University of Venice analyzed fragrances deriving from personal care products and consumer goods in an…