Braided rivers, with their continuously changing network of channels, are highly dynamic systems. Four mechanisms of channel change and evolution are considered the classic mechanisms of braided river formation: development ...
May 09, 2013
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Meteorologists have gained a better understanding of how storms like the one that battered Britain in 1987 develop, making them easier to predict. University of Manchester scientists, working with colleagues ...
May 01, 2013
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With the successful retrieval of a string of instruments from deep beneath the seafloor, an international team of scientists has completed an unprecedented series of operations to obtain crucial temperature ...
May 01, 2013
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Infrared data indicates temperatures of cloud tops and the surface of the sea beneath tropical cyclones, and NASA's AIRS instrument captured an infrared look at low pressure area System 92P in the Southwestern ...
Apr 30, 2013
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Ground data now being collected in northeastern Iowa by the Iowa Flood Studies experiment will evaluate how well NASA's Global Precipitation Measurement (GPM) mission satellite rainfall data can be used for ...
Apr 30, 2013
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Party planners, take note: the atmosphere may become a little deflated at gala events in the future. Some scientists are sounding the alarm about the wastefulness of using helium—a rare, non-renewable gas—to fill party ...
Apr 26, 2013
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Mexico's Popocatepetl volcano has spewed ash over several towns in the central state of Puebla, just 55 kilometers (35 miles) southeast of Mexico City, but the country's capital was spared.
May 08, 2013
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By combining high-resolution surface data obtained from laser scanning with subsurface geodata, scientists from Heidelberg University have succeeded for the first time in providing a full picture of so-called karst depressions ...
Apr 30, 2013
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Researchers at Florida State University have developed a new metric to measure seasonal Atlantic tropical cyclone activity that focuses on the size of storms in addition to the duration and intensity, a measure that may prove ...
Apr 29, 2013
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Graphite is known to be a low-friction material, and rocks rich in graphite are often found in fault zones. Oohashi et al. conducted laboratory studies to determine how much graphite is needed to reduce the frictional strength ...
May 07, 2013
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(Phys.org) —Their fluffy appearance is deceiving. Fair-weather clouds have a darker side, according to scientists at Pacific Northwest National Laboratory. Fair-weather cumulus clouds contain an increasing ...
Apr 26, 2013
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The stratigraphic record, the sequential layers of sediment that geologists use to reconstruct the history of a landscape, has been described as "more gaps than record." The record, laid down over time as sediment settles ...
May 07, 2013
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GPS is making possible high-precision, high-resolution measurements of tidal displacement that could not be achieved with other methods. Earth's surface deforms due to both body tides-the deformation of the solid Earth due ...
May 07, 2013
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(Phys.org) —A detailed study of shifting river beds, conducted by researchers at the University of St Andrews, could hold the key to more accurate flood prevention.
Apr 24, 2013
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Fires in eastern Russia are commonplace at this time of year. Both wildfires and those deliberately set for agricultural purposes are often seen in the Amur region of Russia. This image from the Aqua satellite ...
May 03, 2013
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