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“#Better precipitation forecasts up to several hours in advance” Credit: George Hodan/public domain Where, when and how much precipitation is expected? Information on precipitation not only crucial for water management and agriculture, but also for events, road traffic, aviation and other sectors of the economy. While weather models have gotten better over the decades, predicting…
“#Researchers find link between Atlantic hurricanes and weather system in East Asia” Graphic illustrating the relationship between the East Asian Subtropical Jet and storms in the North Atlantic. Credit: Contributed image. With a new Atlantic hurricane season in full swing, scientists may have found a new influence on how tropical cyclones develop. Researchers led by…
“#Florida current is weaker now than at any point in the past century” The new study uses a method of tracking the strength of near-shore ocean currents from a distance via measurements of coastal sea level. Credit: Carol Anne Clayson, Woods Hole Oceanographic Institution A key component of the Gulf Stream has markedly slowed over…
“#Subpolar marginal seas play a key role in making the subarctic Pacific nutrient-rich” Phosphate accumulates in high concentrations in intermediate water in the entire subpolar Pacific region. Credit: Jun Nishioka, et al., PNAS, May 27, 2020 A group of researchers from three Japanese universities has discovered why the western subarctic Pacific Ocean, which accounts for…
“#Volcanic emissions can cause changes in the atmosphere over a long time” Super volcanoes can cause major destruction. This is the caldera after the volcano Los Chocoyos in Guatemala, now the beautiful Lake Atitlán. Credit: Steffen Kutterolf/GEOMAR The super volcano Los Chocoyos in Guatemala, Central America, erupted about 84,000 years ago, and was one of…
“#Citizen scientists help geologists to identify earthquakes and tectonic tremors” Credit: CC0 Public Domain It is not yet possible to predict earthquakes, but the analysis of different types of seismic data allows scientists to pinpoint where and when each type of earthquake originated, and hence better understand when and where tectonic slip might occur via…
“#New study reveals lower energy limit for life on Earth” Photograph taken from ALVIN, a manned deep-ocean research submersible, taking sediment cores at the ocean floor of the Dorado Outcrop in 2014. Credit: Geoff Wheat, NSF OCE 1130146, and the National Deep Submergence Facility. An international team of researchers led by Queen Mary University of…
“#Plate tectonics goes global” The Dipping Moho is a sign of one continent being thrust over another. Credit: IGG Today, the entire globe is broken up into tectonic plates that are shifting past each other, causing the continents to drift slowly but steadily. But this has not always been the case. The earliest evidence for…
“#Optical seismometer survives ‘hellish’ summit of Caribbean volcano” Survey of La Soufrière de Guadeloupe optical seismometer site. Credit: Romain Feron The heights of La Soufrière de Guadeloupe volcano can be hellish, sweltering at more than 48 degrees Celsius (120 degrees Fahrenheit) and swathed in billows of acidic gas. Researchers would like to monitor gas and…
“#Changes in land evaporation shape the climate” Credit: CC0 Public Domain Accurate estimation of how much water is evaporated from the vegetated land surface is a challenging task. A physical-based method—such as the complementary relationship (CR) of evaporation, which explicitly accounts for the dynamic feedback mechanisms in the soil-land-atmosphere system and requires minimal data—is advantageous…