Earth Sciences

Earth Sciences

Arctic Sea Ice Hits Record Low in Summer 2008

The Arctic summer nears its end and the minimum extent of sea ice is reached. The Arctic ice cover amounted to 4.5 million square kilometres on September 12th.

Earth Sciences

Ocean Floor Geysers Heat Sea Water and Reveal Secrets

With about 71 percent of the Earth's surface being ocean, much remains unknown about what is under the sea, its geology, and the life it supports. A new…

Earth Sciences

Innovative Technology Boosts Polar Research in Antarctica

Funded by a $1.96 million grant from the National Science Foundation (NSF), Indiana University and Polar Grid partners Elizabeth City State University (ECSU)…

Earth Sciences

'Chemical Equator' splits northern from southern air pollution

Their findings show for the first time that the chemical and meteorological boundaries between the two air masses are not necessarily the same.Observations of…

Earth Sciences

Modest CO2 Cuts: A Dwindling Hope for Coral Reefs

But scientists have come to realize that an even more acute danger than climate change is lurking in the world's oceans—one that is likely to be triggered by…

Earth Sciences

Small Glaciers Account for Most of Greenland's Recent Ice Loss

A new study shows that the dozens of much smaller outflow glaciers dotting Greenland’s coast together account for three times more loss from the island’s ice…

Earth Sciences

Arctic Sea Ice Hits Second Lowest Level Since 2008

While slightly above the record-low minimum set on Sept. 16, 2007, this season further reinforces the strong negative trend in summertime sea ice extent…

Earth Sciences

Kopernikus: Enhancing Earth Observation for a Safer Future

Europe is presenting Kopernikus at the forum as the second flagship of the European Space Policy following Galileo, the first flagship. The GMES 2008 forum is…

Earth Sciences

Small glaciers — not large — account for most of Greenland's recent loss of ice

A new study shows that the dozens of much smaller outflow glaciers dotting Greenland's coast together account for three times more loss from the island's ice…

Earth Sciences

New Geomorphological Index Enhances Mountain Tectonics Study

Active tectonics comprise the most up-to-date deformation processes that affect the Earth's crust, resulting in earthquakes or recent deformations in the…

Earth Sciences

Hurricane Ike tracked by ESA’s Envisat

Knowing the strength and path of hurricanes is critical for issuing timely warnings. Earth observation (EO) satellites are key means of providing synoptic data…

Earth Sciences

University of Miami Scientist Reveals Key Geological Miscalculation

The precise timing of the origin of life on Earth and the changes in life during the past 4.5 billion years has been a subject of great controversy for the…

Earth Sciences

Exploring Innovations Near One of the World’s Largest Lakes

We are just beyond the ice margin from the maximum of the last Ice Age, where it has been mapped 100 kilometres north of the town of Kotlas in north-western…

Earth Sciences

Aerosols and Climate Change: New Insights from Recent Study

The increase in atmospheric concentrations of man-made aerosols—tiny particles suspended in the air—from such sources as transportation, industry, agriculture,…

Earth Sciences

New Research Questions Oxygen Theory of Mass Extinction

The Permian-Triassic catastrophe (250 million years ago) was the worst of all five of the mass extinction events to ever have befallen the earth. It eradicated…

Earth Sciences

New Model Maps Oceanic Crust Thickness Using Satellite Data

Geophysicists at Liverpool have produced a mathematical technique to process satellite data that can map the thickness of the Earth’s crust under the oceans in…

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