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“#Study quantifies potential COVID-19 spread from hurricane evacuation” September 2019, four cyclones line up in the Western Hemisphere. Credit: NASA With the peak of the hurricane season coming up and COVID-19 abundant in many hurricane-prone areas, the United States is poised to experience the collision of two major disasters. According to a study by scientists…
“#Warming Greenland ice sheet passes point of no return” Icebergs near Greenland form from ice that has broken off–or calved–from glaciers on the island. A new study shows that the glaciers are losing ice rapidly enough that, even if global warming were to stop, Greenland’s glaciers would continue to shrink. Credit: Michalea King Nearly 40…
“#Spread of monsoon circulation changes explains uncertainty in global land monsoon precipitation projection” Changes of global land summer monsoon precipitation in historical climate simulation and four SSPs projections of CMIP6 multimodel ensemble (MME). Changes are relative to the 1995-2014 mean. The bars represent the MME and uncertainty in the 2080-2099. Units: %. Credit: Ziming Chen…
“#Satellite record gives unprecedented view of Antarctic ice shelf melt pattern over 25 years” Remnants of the Wordie Ice Shelf on the Antarctic Peninsula, Nov. 2017. Credit: NASA/John Sonntag A science team led by researchers at Scripps Institution of Oceanography at UC San Diego has created a detailed history of mass loss from Antarctica’s floating…
“#Climate change researcher dies in Greenland accident” Swiss-American glaciologist Konrad Steffen is believed to have plunged to his death in a crevasse in Greenland A prominent Swiss-American glaciologist specialising in climate change has died in an accident in Greenland, his research institute said Wednesday. Konrad Steffen, director of the Swiss Federal Institute for Forest, Snow…
“#Discovery transforms understanding of hydrogen depletion at the seafloor” The hybrid remotely-operated vehicle Nereus was used to collect seafloor samples, in addition to remotely operated vehicle Jason II, at Piccard vents at Mid-Cayman Rise. Credit: Jill McDermott The discovery in the 1970s of hydrothermal vents, where volcanoes at the seafloor produce hot fluid exceeding 350…
“#Exact climate data from the past” Staghorn coral (Acropora cervicornis). Credit: Wikipedia Corals precipitate their calcareous skeletons (calcium carbonate) from seawater. Over thousands of years, vast coral reefs form due to the deposition of this calcium carbonate. During precipitation, corals prefer carbonate groups containing specific variants of oxygen (chemical symbol: O). For example, the lower…
“#Rare ‘boomerang’ earthquake observed along Atlantic Ocean fault line” Reconstructed image of the fracture zone. Credit: Hicks et al Scientists have tracked a ‘boomerang’ earthquake in the ocean for the first time, providing clues about how they could cause devastation on land. Earthquakes occur when rocks suddenly break on a fault—a boundary between two blocks…
“#Past evidence supports complete loss of Arctic sea ice by 2035” Arctic Sea Ice, MOSAiC Expedition. Credit: Markus Frey, British Antarctic Survey A new study, published this week in the journal Nature Climate Change, supports predictions that the Arctic could be free of sea ice by 2035. High temperatures in the Arctic during the last…
“#NASA maps Beirut blast damage” NASA’s ARIA team, in collaboration with the Earth Observatory of Singapore, used satellite data to map the extent of likely damage following a massive explosion in Beirut. Dark red pixels represent the most severe damage. Areas in orange are moderately damaged, and areas in yellow are likely to have sustained…