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“#Q&A: Physical scientists turn to deep learning to improve Earth systems modeling” Examples of typical deep learning tasks (left panel) and the corresponding Earth system science problems that they can be applied to: a, Object recognition in images relates to detection of extreme weather patterns in climate data; b, Super-resolution relates to downscaling of climate…
“#Lab-grown earthquakes reveal the frictional forces acting beneath our feet” High-speed cameras and dynamic digital image correlation reveal the shifting motions and forces along a simulated thrust-fault earthquake. Arrows indicate the direction and, by their length, strength of the ground velocity and the fault slip as the earthquake rupture travels up the inclined fault from…
“#Gravity wave insights from internet-beaming balloons” Animated gif showing gravity waves rippling through electric blue clouds. Credit: NASA Giant balloons launched into the stratosphere to beam internet service to Earth have helped scientists measure tiny ripples in our upper atmosphere, uncovering patterns that could improve weather forecasts and climate models. The ripples, known as gravity…
“#Bering Sea ice extent is at most reduced state in last 5,500 years” A view of St. Matthew Island in the Bering Sea. Isotope analysis of a peat sample from the island allowed researchers to determine sea ice extent in the region for the past 5,500 years. Credit: NOAA Through the analysis of vegetation from…
“#Researchers track groundwater discharges into salt ponds” URI’s groundwater research team – (l-r) Janelle Kmetz, Jeeban Panthi, Associate Professor Soni Pradhanang and Kyle Young – prepares for a test flight. Credit: Todd McLeish The movement of groundwater in aquifers deep beneath the surface often carries with it a variety of contaminants that can be traced…
“#Probing the origin of the mantle’s chemically distinct ‘scars’” Basalt, the most-common rock on Earth’s surface, encases green crystals–a geologic “nesting doll” phenomenon called a xenolith. Basalts such as this one derive from a section of the mantle that has been depleted in incompatible trace elements, which is usually attributed to continental crust formation. In…
“#Shrinkage rate of Aral Sea is slowing, study finds” Credit: CC0 Public Domain Located on the border of Kazakhstan and Uzbekistan, the Aral Sea was once the fourth largest lake in the world. With sharp retreat of Aral Sea since 1960s, the river bed dried up and the ecosystem seriously degraded. Under the influence of…
“#How weather affects crawfish harvests” Shelby Hauck and Ryan Williams unload freshly harvested crawfish at the LSU AgCenter Aquaculture Research Station. Credit: LSU AgCenter The life cycle of a crawfish can be fairly straight forward. In the summer months, crawfish reproduce in underground mud burrows with a plug of mud on top of the burrow…
“#Failures of Germany’s largest cliff coast sensed by seismometers” The chalk cliff of Jasmund at the coast of Rügen. Credit: Kristen Cook, GFZ The ten km long, bright white coast of Germany’s largest island, Rügen, is shaped by episodically occurring failures. These failures were typically assumed to happen due to strong rain storms. In a…
“#A review of ridge subduction, magmatism and metallogenesis” The distribution of spreading oceanic ridges, and oceanic plateaus or aseismic ridges in the world Credit: Science China Press Generally speaking, ‘ridge subduction’ involves subduction of spreading oceanic ridges, aseismic ridges or oceanic plateaus and inactive arc ridges, and this common and important geological process has become…