Earth Sciences

Earth Sciences

NASA Observes Slow-Moving Tropical Depression Sonamu

When NASA's Aqua satellite passed over Tropical Depression Sonamu on Jan. 8 at 0641 UTC (1:41 a.m. EST/U.S.), the Atmospheric Infrared Sounder (AIRS)…

Earth Sciences

NASA’s TRMM Satellite Spots Tropical Cyclone Narelle Formation

NASA's TRMM satellite passed over System 98S and saw the hallmark “hot towers” that indicated the storm would soon likely intensify into Tropical Storm Narelle.

Earth Sciences

Wind Shear and Dry Air Impact Tropical Depression Sonamu

On Sunday, Jan. 6, Tropical Storm Sonamu's maximum sustained winds were near 40 knots (46 mph/74 kph). Sonamu's center was located about 255 nautical miles…

Earth Sciences

Study Shows Rapid Warming on the West Antarctic Ice Sheet

The temperature record from Byrd Station, a scientific outpost in the center of the West Antarctic Ice Sheet (WAIS), demonstrates a marked increase of 4.3…

Earth Sciences

Clays on Mars: Surprising Abundance Found in Eagle Crater

In fact, Assistant Professor James Wray and the research team say clays were in some of the rocks studied by Opportunity when it landed at Eagle crater in…

Earth Sciences

Meteorite Sparks Global Scientific Exploration Surge

An international team of scientists presents these and other findings in a study published Friday, Dec. 21, in the journal Science. The 70-member team included…

Earth Sciences

Biodiversity Shifts: Marine Life Recovery Post-Mass Extinction

Thanks to the cooler temperatures, the diversity of marine fauna ballooned, as paleontologists from the University of Zurich have reconstructed. The warmer…

Earth Sciences

New Meteorite Reveals Asteroids’ Surprising Complexity

Meteorites that had fallen from an asteroid impact that lit up the skies over California and Nevada in April are showing scientists just how complex an…

Earth Sciences

NASA's Operation IceBridge Data Brings New Twist to Sea Ice Forecasting

Growing economic activity in the Arctic, such as fishing, mineral exploration and shipping, is emphasizing the need for accurate predictions of how much of the…

Earth Sciences

NASA Satellite Discovers Unusually Tall Storm-Cell in Cyclone Evan

According to Owen Kelley of the TRMM satellite team at NASA's Goddard Space Flight Center in Greenbelt, Md, the most startling feature of the December 16…

Earth Sciences

High Levels of Ancient Brines Found in Marcellus Flowback Analysis

The study indicates that the brine flowback elements found in high levels in the late stages of hydraulic fracturing come from the ancient brines rather than…

Earth Sciences

Reviving Alpine Agriculture: Addressing Abandonment Issues

Agriculture is increasingly vanishing from the Alps. Land that was cultivated for centuries is now being abandoned and scrubs are encroaching on it. This…

Earth Sciences

TRMM Satellite Insights on Tropical Cyclone Evan

On Tuesday, Dec. 11, the TRMM satellite saw Evan about 24 hours before the storm struck American Samoa, and the radar data at first seem incongruous for such a…

Earth Sciences

NASA Monitors Category 4 Cyclone Evan Impacting Fiji

According to NBC News, over 3,500 people in Fiji went to emergency shelters. Today, Dec. 17, Evan is lashing Fiji, just days after battering Samoa where it…

Earth Sciences

'Missing' polar weather systems could impact climate predictions

Difficult-to-forecast polar mesoscale storms occur frequently over the polar seas, however they are missing in most climate models. Research published today in…

Earth Sciences

Action by 2020 Crucial for Limiting Climate Change Impact

This is a joint press release from the International Institute for Applied Systems Analysis (IIASA) in Laxenburg, Austria, ETH Zurich in Switzerland, and the…

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