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This week from AGU: Water tables, 3D rock formations, wind speed maps & hydrothermal vents

American Geophysical Union

GeoSpace

High water tables can be a boon to crop yields

A high water table - usually a bane to crop yields - can provide much-needed water during drought and to crops planted in coarse-grained soils, found a new study published online in Water Resources Research.

3-D maps illustrate formation of the Hangai Dome in central Mongolia

Scientists used 1.7 million seismic wave measurements from 227 earthquakes across East Asia to create animated 3-D images of subsurface rock formations under the Hangai Dome in central Mongolia as part of their recent study accepted in Geophysical Research Letters.

Eos.org

A weather eye on coastal winds

New satellite radar image-processing system provides wind speed maps with an unprecedented degree of precision. Such maps will help coastal communities prepare for wind-related hazards.

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Hydrothermal vents discovered in Southern Ocean

Researchers have discovered 20 underwater hydrothermal plumes along the Australian-Antarctic Ridge, an underwater mountain range that sits between Tasmania, New Zealand, and Antarctica. They are the first hydrothermal vents discovered on the Australian-Antarctic Ridge, according to a new study in Geochemistry, Geophysics, Geosystems.

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