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“#Humans’ construction ‘footprint’ on ocean quantified for first time” Aquaculture farms in the coast of China’s northeast province of Liaonin. Credit: NASA Earth Observatory. In a world-first, the extent of human development in oceans has been mapped. An area totalling approximately 30,000 square kilometres—the equivalent of 0.008 percent of the ocean—has been modified by human…
“#Fossil trees on Peru’s Central Andean Plateau tell a tale of dramatic environmental change” Paleontologist Edwin Cadena poses next to giant, fossilized (permineralized) tree on Peruvian Central Plateau. Credit: Carlos Jaramillo, Smithsonian Tropical Research Institute On an expedition to the Central Andean Plateau, researchers from the Smithsonian Tropical Research Institute (STRI) and colleagues were astounded…
“#New analysis reveals where marine heatwaves will intensify fastest” Credit: Johannes Plenio (Pexels) The world’s strongest ocean currents, which play key roles in fisheries and ocean ecosystems, will experience more intense marine heatwaves than the global average over coming decades, according to a paper published today in Nature Communications by researchers from the ARC Center…
“#Hurricane Laura is the strongest storm to hit Louisiana in 160 years. How can communities defend themselves?” Credit: CC0 Public Domain Arriving as a Category 4 storm on the week of the 15th anniversary of a catastrophic hurricane that devastated the Gulf Coast, Hurricane Laura is the strongest storm to make landfall in Louisiana in…
“#How changes in ancient soil microbes could predict the future of the Arctic” PhD student Alireza Saidi-Mehrabad collects soil samples from Arctic permafrost in the Yukon. Analysis of the samples showed that periods of rapid climate change can affect microbial communities in the soil, with unknown but potentially widespread consequences. Credit: University of Alberta Microbial…
“#Scientists measure HONO and NOX flux in farmland” Dynamic chamber system in the field. Credit: TANG Ke Researchers at the Anhui Institute of Optics and Fine Mechanics, Hefei Institutes of Physical Science, developed an automated dynamic chamber system to simultaneously measure the HONO flux and NOX flux in farmland ecosystems. Their work was published in…
“#Fidelity of El Nino simulation matters for predicting future climate” Sea surface temperature patterns during El Nino (warmer water (red) in the eastern tropical Pacific) and La Nina (cooler water (blue) in the eastern tropical Pacific) events. Credit: NOAA data A new study led by University of Hawai’i at Mānoa researchers, published in the journal…
“#Improving weather forecasts with observations from the microwave instruments onboard China’s FY-3D satellite” Credit: CC0 Public Domain China’s FengYun-3 (FY-3) satellite program is an important part of the Earth observing system and provides observations for numerical weather prediction (NWP), reanalyses, and climate studies. The latest platform in the program, FY-3-D, carries the Microwave Temperature Sounder…
“#A chiral surprise in the rainforest” The two chiral forms of α-pinene. Credit: Max Planck Institute for Chemistry Forests such as the Amazon rainforest emit huge amounts of biogenic volatile organic compounds (BVOC) into the atmosphere. These compounds impact the physical and chemical properties of the atmosphere and also our climate. The molecules react rapidly…
“#Ocean acidification causing coral ‘osteoporosis’ on iconic reefs” WHOI scientist Anne Cohen (left) and MIT-WHOI Joint Program student Nathan Mollica extract core samples from a giant Porites coral in Risong Bay, Palau. Credit: Richard Brooks, Lightning Strike Media Productions, Palau Scientists have long suspected that ocean acidification is affecting corals’ ability to build their skeletons,…