River deltas and their adjoining wetlands are being threatened by rising sea levels and decreased river sediment loads. Better understanding how coastlines along river deltas are created and sustained will be critical to ...
Earth Sciences
Jun 20, 2022
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10
Gravity and rock physics say slopes steeper than about 30°—known as the critical threshold angle, or the angle of repose—shouldn't really exist, yet they do. These steep slopes and near-vertical cliffs can be seen in ...
Earth Sciences
Jun 15, 2022
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106
Flood frequency analysis is a technique used to estimate flood risk, providing statistics such as the "100-year flood" or "500-year flood" that are critical to infrastructure design, dam safety analysis, and flood mapping ...
Earth Sciences
Jun 14, 2022
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82
How do coastal channels form and what are their stable configurations? These are the questions a team of researchers, including a University of Arkansas assistant professor of geosciences, John Shaw, set out to answer in ...
Earth Sciences
Jun 8, 2022
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103
The ocean is a dynamic enigma. Humans have strived to understand its many behaviors since the first ocean-going craft hit its complex waters.
Earth Sciences
Jun 6, 2022
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172
Each winter, spring, and summer, extreme weather forecasters and researchers meet to test the latest, most promising severe weather forecast tools and innovations to see how they perform in real-world settings.
Earth Sciences
May 18, 2022
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61
Last summer, a deadly wave of heat struck the Pacific Northwest, causing temperatures to soar more than 30 degrees Fahrenheit above normal and killing more than a thousand people.
Earth Sciences
May 13, 2022
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The island prefecture of Hokkaidō, Japan's second-largest island, has a rich cultural history of hunter-gatherers both on land and at sea. Over thousands of years through the Holocene and into the 19th century, the prevalence ...
Earth Sciences
May 6, 2022
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81
Knowledge about the structure and composition of the Earth's crust is important for understanding the dynamics of the Earth. For example, the presence or absence of melt or fluids plays a major role in plate tectonic processes. ...
Earth Sciences
May 3, 2022
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54
A new NASA climate simulation suggests that extremely large volcanic eruptions called "flood basalt eruptions" might significantly warm Earth's climate and devastate the ozone layer that shields life from the sun's ultraviolet ...
Earth Sciences
May 3, 2022
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243
