Topic: Richard Alley

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Blog // 1 decade ago

Greenland glacier flowing at record speeds

Jakobshavn Glacier, responsible for draining 6.5 percent of Greenland's ice sheet area, is flowing at a world record pace.

U.S. News // 1 decade ago

Texas man convicted in kidnapping, torture

A Texas man was sentenced to life in prison for kidnapping and sexually torturing a woman last year.

Science News // 1 decade ago

Scientists give Greenland ice cap warning

U.S. scientists say the entire ice mass of Greenland could disappear if temperatures rise by as little as 4 degrees F, with severe worldwide consequences.

Science News // 1 decade ago

Scientist ponders ice sheet melting

A U.S. geoscientist says although it's known the Greenland and Antarctica ice sheets are melting, how much ice will melt is undetermined.

Science News // 1 decade ago

Iceberg computer program is created

U.S. scientists say they've created a computer program to help predict when icebergs will calve from ice sheets.

Science News // 1 decade ago

Study: Glacial sediment may act as buffer

U.S. geoscientists say sediment produced by glacial movement might act as a buffer against moderate sea level increases caused by global warming.

Science News // 1 decade ago

Researchers: Antarctic ice vanishing

Researchers predict a significant rise in sea levels in the next few hundred years as global warming melts the Antarctic ice.

Science News // 1 decade ago

Climate: A race through thick and thin ice

The interior of the East Antarctic ice sheet is gaining mass because of increased snowfall there, a development that should offset sea level rise from other sources around the globe.

Science News // 2 decades ago

Climate: Earth losing ice in every form

Earth appears to be losing its ice in virtually every form, from glacial peaks to the permafrost frozen deep below ground.

Science News // 2 decades ago

Climate: Change could come like lightning

A series by UPI on the possible human impact on global climate change. This week: Those who think global climate change requires many years to unfold might want to take note of two other worldwide temperature alterations in the past 10,000 years, both of

Quotes

They are not white mountains and they need to be modeled
Scientist ponders ice sheet melting Feb 16, 2009

We do not think that we will lose all, or even most, of Antarctica's ice sheet
Scientist ponders ice sheet melting Feb 16, 2009

Spreading explains most of what is observed on the ice sheet
Iceberg computer program is created Dec 01, 2008

The models we have do not currently have any way to figure out where the big ice sheets end and where the ice calves off to form icebergs
Iceberg computer program is created Dec 01, 2008

Sediment beneath ice shelves helps stabilize ice sheets against retreat in response to rise in relative sea level of at least several meters
Study: Glacial sediment may act as buffer Mar 01, 2007

Richard B. Alley (born 1957) is an American geologist and Evan Pugh Professor of Geosciences at the Pennsylvania State University. He has authored more than 170 refereed scientific publications about the relationships between Earth's cryosphere and global climate change, and is recognized by the Institute for Scientific Information as a "highly cited researcher."

In 1999, Alley was invited to testify about climate change by Vice President Al Gore, in 2003 by the U.S. Senate Committee on Commerce, Science, and Transportation, and again before the U.S. House Committee on Science and Technology in 2007.

Alley's most recent testimony was due to his current role as a lead author of "Chapter 4: Observations: Changes in Snow, Ice and Frozen Ground" for the Fourth Assessment Report of the Intergovernmental Panel on Climate Change. He has participated in the joint UN/WMO panel since 1992, having been a contributing author to both the second and third IPCC assessment reports.

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