Earth Sciences

Earth Sciences

First Climate Model Analyzes Arctic Hurricanes’ Impact

Though it seems like an oxymoron, Arctic hurricanes happen, complete with a central “eye,” extreme low barometric pressure and towering 30-foot waves that can…

Earth Sciences

NASA Tracks Tropical Cyclone Evan’s Impact on Samoan Islands

On Dec. 14, American Samoa, Tonga and Fiji are all under warnings or alerts as Evan continues to move west. A gale warning is in effect for Tutuila and Aunuu….

Earth Sciences

NASA Monitors Intensifying Cyclone Over Samoan Islands

The Tropical Rainfall Measuring Mission (TRMM) satellite passed above intensifying tropical storm Evan in the South Pacific Ocean on Dec. 11, 2012 at 1759 UTC…

Earth Sciences

Climate Modelers See Warmer, Wetter Northeast Winters

A new high-resolution climate study by University of Massachusetts Amherst climate scientists, the first to apply regional climate models to examine likely…

Earth Sciences

Antarctica’s Ice Loss: Snowfall Linked to Global Warming

Global warming leads to more precipitation as warmer air holds more moisture – hence earlier research suggested the Antarctic ice sheet might grow under…

Earth Sciences

Tropical Storm Evan Sparks Warnings for American Samoa

Tropical Storm Evan caused regional warnings to be posted on Dec. 12. In American Samoa, a gale warning and storm watch are in effect for Tutuila, Aunuu, Manua…

Earth Sciences

NASA’s Aqua Satellite Sees Cyclone Claudia from Above

On Dec. 10 at 0841 UTC (3:41 a.m. EST), NASA's Aqua satellite's Atmospheric Infrared Sounder (AIRS) instrument captured an infrared view of Cyclone Claudia…

Earth Sciences

NASA Satellites Track Typhoon Bopha’s Final Days

NASA's Aqua satellite has been providing data on Bopha since the day it formed on Nov. 26. In the storm's last days, Aqua's Atmospheric Infrared Sounder (AIRS)…

Earth Sciences

Mining ancient ores for clues to early life

An analysis of sulfide ore deposits from one of the world's richest base-metal mines confirms that oxygen levels were extremely low on Earth 2.7 billion years…

Earth Sciences

Wildfires Illuminate Western Australia: NASA-NOAA Insights

Away from the cities, much of the night light observed by the NASA-NOAA Suomi NPP satellite in these images comes from wildfires. In the bright areas of…

Earth Sciences

Massive crevasses and bendable ice affect stability of Antarctic ice shelf, CU research team finds

But the scientists also found that ribbons running through the Larsen C Ice Shelf – made up of a mixture of ice types that, together, are more prone to bending…

Earth Sciences

NASA Infrared Data Reveals Typhoon Bopha’s Re-Strengthening

NASA's Aqua satellite passed over Bopha on Dec. 6 at 1811 UTC (1:11 p.m. EST, U.S.) and the Atmospheric Infrared Sounder (AIRS) instrument aboard captured an…

Earth Sciences

NASA Casts Infrared Eye on Southern Indian Ocean's Tropical Cyclone Claudia

Aqua flew over Tropical Cyclone Claudia on Dec. 6 at 1959 UTC (2:59 p.m. EST/U.S.) and Dec. 7 at 0811 UTC (3:11 a.m. EST/U.S.). The Atmospheric Infrared…

Earth Sciences

Greenland Ice Sheet Reveals Impact of Rising Atmospheric Acidity

However, new University of Washington research suggests that the decline in nitrogen-15 is more directly related to increased acidity in the atmosphere.The…

Earth Sciences

Plant Stress Paint Reveals Drought Impact Early

Healthy vegetation requires a certain amount of water from the soil every day to stay alive, and when soil moisture falls below adequate levels, plants become…

Earth Sciences

NASA Satellites Reveal Typhoon Bopha’s Impact on Palawan

On Dec. 5, 2012, Bopha crossed over Palawan and entered the South China Sea after crossing over the southern Philippines' Mindanao region, leaving death and…

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