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“#New soil models may ease atmospheric carbon dioxide, climate change” Credit: CC0 Public Domain To remove carbon dioxide from the Earth’s atmosphere in an effort to slow climate change, scientists must get their hands dirty and peek underground. In an article published July 27 in Nature Geoscience, Cornell University’s Johannes Lehmann and others wrote that…
“#New scenario for the India-Asia collision dynamics” Geodynamic evolution of the India-Asia continental collision showing the paleogeographic patterns (a) ~75 Ma. (b) ~61 Ma. (c) ~53 Ma. (d) ~48 Ma. The Australian and Antarctic continents in (a) were reconstructed in the Gondwana framework only for determining the size of eastern Greater India. BNSZ, Bangong-Nujiang suture…
“#GMMIP simulations on global monsoon interannual variability show higher skill than historical simulations” Rainfall in Xiamen on Aug 21, 2018. Credit: He Bian Studies and simulations of global land precipitation and summer hemispheric precipitation have received much scientific and societal attention due to the impacts on economic development. Therefore, it is necessary to evaluate and…
“#Marie Tharp pioneered mapping the bottom of the ocean – scientists are still learning about Earth’s last frontier” Despite all the deep-sea expeditions and samples taken from the seabed over the past 100 years, humans still know very little about the ocean’s deepest reaches. And there are good reasons to learn more. Most tsunamis start…
“#Fostering a sustainable use of phosphorus” Credit: CC0 Public Domain Phosphorus is critical to food security, ecosystem functioning, and human activities. Urbanization and dietary changes, and in particular industrial use of P for chemical fertilizer production, have led to a declining trend, especially in recent decades. A study published in Nature Food provides some suggestions…
“#Scientists reveal an explosive secret hidden beneath seemingly trustworthy volcanoes” The 2015 eruption at Wolf volcano in the Galapagos Archipelago. Credit: Gabriel Salazar, La Pinta Yacht Expedition. An international team of volcanologists working on remote islands in the Galápagos Archipelago has found that volcanoes which reliably produce small basaltic lava eruptions hide chemically diverse magmas…
“#Seismic waves help scientists ‘see’ chemical changes beneath a watershed” Credit: Pixabay/CC0 Public Domain Chemical reactions deep below ground affect water quality, but methods for “seeing” them are time-consuming, expensive and limited in scope. A Penn State-led research team found that seismic waves can help to identify these reactions under an entire watershed and protect…
“#Model links patterns in sediment to rain, uplift and sea level change” The source-to-sink model illustrating elevation (left) and erosion/deposition (right). Credit: Jinyu Zhang/ The University of Texas at Austin. Forces that shape the Earth’s surface are recorded in a number of natural records, from tree rings to cave formations. In a recent study, researchers…
“#New depth map of the Arctic Ocean” The map is the 4.0 version of the International Bathymetric Chart of the Arctic Ocean (IBCAO). Credit: Stockholm University (Sweden An international team of researchers has published the most detailed submarine map of the Arctic Ocean. The study, by Miquel Canals, José Luis Casamor and David Amblàs from…
“#Diagnosing single trees from above” The team used combined data from satellite and unmanned aerial vehicle (UAV) flights to accurately map the condition of macadamia trees in Australia. Credit: Kasper Johansen Models based on images from unmanned aerial vehicles and satellites can help farmers to monitor the health of individual trees. Increased data resolution makes…