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Sandy’s Underwater Sandscapes

By Guest PostNovember 18, 2012Environmentarthur trembanis, artificial reef, autonomous underwater vehicle, auv, broadkill beach, cape henlopen, carter duval, coast, currents, data, delaware, doug miller, ecosystem, fingerprint, floor, geological imprint, geological markings, gps, hard bottom, hugh r sharp, hurricane sandy, indian river inlet, justin walker, map, marine life, maryland, mid atlantic shores, natural environment, new jersey, ocean, post, pre, redbird reef, research vessel, sand formations, seafloor, sediment, sonar, storm, storm metrics, trevor metz, underwater, val schmidt, virginia, weapons

UD researchers studying ‘fingerprint’ left on seafloor by Hurricane Sandy

Beneath the 20-foot waves that crested off Delaware’s coast during Hurricane Sandy, thrashing waters reshaped the floor of the ocean, churning up fine sand and digging deep ripples into the seabed. Fish, crustaceans and other marine life were blasted with sand as the storm sculpted new surfaces underwater.

UD scientists cued up their instruments to document the offshore conditions before, during and after Sandy’s arrival to scrutinize the differences and better predict the environmental impact of future storms. (more…)

Warming Ocean Layers Will Undermine Polar Ice Sheets

By Guest PostJuly 6, 2011Environmentantarctic ice sheets, atmospheric warming, climate models, future ocean warming, global warming, greenhouse gases, greenland, jianjun yin, joellen l. Russell, nature geosciences, overpeck, polar ice sheets, the university of arizona, undermine polar, underwater, warming air, warming ocean layers, warming of the ocean's subsurface layers, warming seawater

*The UA-led research, based on climate models, shows that melting of the ice sheets will occur in this century and next.

Warming of the ocean’s subsurface layers will melt underwater portions of the Greenland and Antarctic ice sheets faster than previously thought, according to new University of Arizona-led research. Such melting would increase the sea level more than already projected.

The research, based on 19 state-of-the-art climate models, proposes a new mechanism by which global warming will accelerate the melting of the great ice sheets during this century and the next. (more…)

Subprimes Were Not The Culprit In Most Mortgage Meltdowns

By Guest PostOctober 23, 2010Economyelena gouskova, foreclosure, frank stafford, national bank of granddad, panel study of income dynamics (psid), subprime, u s economy, underwater, university of michigan

ANN ARBOR, Mich.—Subprime mortgages were not the main reason behind the housing crisis that started in 2009 and continues to bedevil the faltering U.S. economy, according to a University of Michigan study.

“Our analysis shows that the major underlying driver of the continuing foreclosure crisis was aggressive refinancing using adjustable rate mortgage loans that looked safe at the time because of increasing housing prices,” said Frank Stafford, an economist at the U-M Institute for Social Research (ISR). (more…)

Tag Archives: underwater

Sandy’s Underwater Sandscapes

Warming Ocean Layers Will Undermine Polar Ice Sheets

*The UA-led research, based on climate models, shows that melting of the ice sheets will occur in this century and next.

Subprimes Were Not The Culprit In Most Mortgage Meltdowns