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“#New Zealand’s White Island likely to erupt again, but a new alert system could give hours of warning and save lives” Credit: Pixabay/CC0 Public Domain Tourists visiting Whakaari/White Island on December 9 last year had no warning of its imminent violent eruption. The explosion of acidic steam and gasses killed 21 people, and most survivors…
“#A new idea on how Earth’s outer shell first broke into tectonic plates” Figure 1. A snapshot of a model from the new work, showing the late stages of growth and coalescence of a new global fracture network. Fractures are in black / shadow, and colors show stresses (pink color denotes tensile stress, blue color…
“#Plato was right: Earth is made, on average, of cubes” Credit: Pixabay/CC0 Public Domain Plato, the Greek philosopher who lived in the 5th century B.C.E., believed that the universe was made of five types of matter: earth, air, fire, water, and cosmos. Each was described with a particular geometry, a platonic shape. For earth, that…
“#Uplifting of Columbia River basalts opens window on how region was sculpted” Joseph Canyon, 610 meters deep, in northeast Oregon, was formed by the Columbia River Flood Basalts some 15 million years ago. The photo was taken from the Joseph Canyon Viewpoint, off Oregon Highway 3, north of Enterprise. Credit: Leif Karlstrom July 17, 2020—Uplifting…
“#Photos may improve understanding of volcanic processes” A team of Penn State researchers studied Telica Volcano, a persistently active volcano in western Nicaragua, to both observe and quantify small-scale intra-crater change associated with background and eruptive activity. Credit: Google Earth The shape of volcanoes and their craters provide critical information on their formation and eruptive…
“#Divining monsoon rainfall months in advance with satellites and simulations” The Indian monsoon provides water for crops across the subcontinent. Research led by The University of Texas at Austin is allowing for more accurate forecasts of the monsoon season further in advance. Credit: Yogendra Joshi Researchers affiliated with The University of Texas at Austin have…
“#ENSO influences trans-Pacific ozone transport from vegetation fires in Southeast Asia” Credit: CC0 Public Domain Long-range transboundary transport of air pollutants (e.g. ozone) is one of the important environmental concerns globally. Previous studies on trans-Pacific transport of air pollutants have been mainly focused on the influence of anthropogenic fossil fuel combustion sources in Asia, especially…
“#Ancient DNA from Doggerland separates the U.K. from Europe” A map of the UK and the area studied is starred. Credit: University of Bradford Thousands of years ago the UK was physically joined to the rest of Europe through an area known as Doggerland. However, a marine inundation took place during the mid-holocene, separating the…
“#An effective climate change solution may lie in rocks beneath our feet” Weathering of rocks like these basalt formations in Idaho triggers chemical processes that remove carbon dioxide from the air. Credit: Matthew Dillon/Flickr, CC BY Why has Earth’s climate remained so stable over geological time? The answer just might rock you. Rocks, particularly the…
“#Greater flood risks in the coastal region of China due to slower tropical cyclone movement” Credit: CC0 Public Domain A study led by the Department of Geography at Hong Kong Baptist University (HKBU) has revealed that the observed average moving speed (or translation speed) of tropical cyclones making landfall over the coast of China dropped…