Earth Sciences

Earth Sciences

Landsat 5 Reveals Missouri River Flooding Near Omaha

The Landsat 5 image captured was an enlargement of the area just north of Omaha. The flood waters show up as very dark blue and, where the water is shallow,…

Earth Sciences

Climate Change Shifts Spring Timing for Alberta’s Wildflowers

A University of Alberta study shows that climate change over the past 70 years has pushed some of the province's native wildflowers and trees into earlier…

Earth Sciences

How hot did Earth get in the past? Team of scientists uncovers new information

However, clues are hidden in the fossil record. A new study by researchers from Syracuse and Yale universities provides a much clearer picture of the Earth's…

Earth Sciences

Warming Ocean Layers Threaten Polar Ice Sheets’ Stability

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…

Earth Sciences

Tropical Storm Arlene: Satellite View of Its Inland Journey

Tropical Storm Arlene never made to hurricane strength, but did become a strong tropical storm with maximum sustained winds near 65 mph. To be classified…

Earth Sciences

Sunrise View of Tycho Crater's Peak

Many rock fragments (“clasts”) ranging in size from some 33 feet (10 m) to hundreds of yards are exposed in the central peak slopes. Were these distinctive…

Earth Sciences

GOES Satellites Capture Ongoing Ash Eruption from Chilean Volcano

Satellite data from the Geostationary Operational Environmental Satellites called GOES-13 and GOES-11, both managed by NOAA, have been providing images of the…

Earth Sciences

GOES-13 Satellite Reveals Formation of Tropical Storm Arlene

System 95L strengthened and became the Atlantic Ocean hurricane season's first tropical storm, named Arlene. It happened at 8 p.m. EDT on June 27 in the…

Earth Sciences

Recycling: A new source of indispensible 'rare earth' materials mined mainly in China

Xiaoyue Du and Thomas E. Graedel note that the dozen-plus rare earth elements (REEs) have unique physical and chemical properties making them essential for…

Earth Sciences

NASA Monitors Tropical Depression Meari Approaching Vietnam

TRMM captured an image of the rainfall in Tropical Depression Meari on June 26 at 1210 UTC (8:10 a.m. EDT). Most of the rainfall was light to moderate in the…

Earth Sciences

Landsat Images Show Historic Flooding in North Dakota

The Landsat 5 satellite captured the top image on May 16, 2011, before the flooding began. It shows the Souris River within its banks. The Souris River flows…

Earth Sciences

Fossilized Pollen Unveils Climate History of Northern Antarctica

A painstaking examination of the first direct and detailed climate record from the continental shelves surrounding Antarctica reveals that the last remnant of…

Earth Sciences

Ocean Currents Accelerate Antarctic Ice Melting

Stronger ocean currents beneath West Antarctica's Pine Island Glacier Ice Shelf are eroding the ice from below, speeding the melting of the glacier as a whole,…

Earth Sciences

Plankton Species Neodenticula Seminae Migrates from Pacific to Atlantic

Some 800,000 years ago – about the time early human tribes were learning to make fire – a tiny species of plankton called Neodenticula seminae went extinct in…

Earth Sciences

NASA Monitors Tropical Storm Meari’s Path Toward North Korea

Tropical Storm Haima has maximum sustained winds near 35 knots (40 mph/65 kmh) making it a minimal tropical storm tracking toward Vietnam. Tropical Storm Meari…

Earth Sciences

NASA Tracks Tropical Storm Haima’s Approach to Vietnam

On June 24. 2011 at 0600 UTC (2 a.m. EDT), Tropical Storm Haima's winds were back up to 35 knots (40 mph/65 kmh) making it a minimal tropical storm. Haima is…

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