Earth Sciences

Earth Sciences

NASA Observes First Hurricane Weakening in Cooler Atlantic Waters

Sea surface temperatures play a big role in keeping a tropical cyclone alive. They need warm seas of at least 300 Kelvin (80 Fahrenheit/26.8 Celsius) to…

Earth Sciences

NASA Monitors Disorganized Tropical Depression Talim

NASA's Aqua satellite Atmospheric Infrared Sounder (AIRS) instrument captured an infrared image of Tropical Depression Talim on June 21 at 3:29 a.m. EDT. The…

Earth Sciences

NASA’s Aqua Satellite Captures Hurricane Chris Formation

Infrared satellite imagery from NASA's Aqua satellite have revealed that the clouds around Hurricane Chris' eye have reached a cold peak early on June 21 when…

Earth Sciences

NASA Monitors Gulf Low for Potential Tropical Storm Development

Infrared data from the Atmospheric Infrared Sounder (AIRS) instrument that flies onboard NASA's Aqua satellite is helping forecasters at the National Hurricane…

Earth Sciences

Remote Siberian Lake Holds Clues to Arctic–and Antarctic–Climate Change

Intense warm climate intervals–warmer than scientists thought possible–have occurred in the Arctic over the past 2.8 million years.That result comes from the…

Earth Sciences

Elephant Seals Reveal Surprising Antarctic Ice Melting Rates

A team of scientists have drilled holes through an Antarctic ice shelf, the Fimbul Ice Shelf, to gather the first direct measurements regarding melting of the…

Earth Sciences

Researchers Reveal Particle Size in Martian CO2 Snow Clouds

In the dead of a Martian winter, clouds of snow blanket the Red Planet’s poles — but unlike our water-based snow, the particles on Mars are frozen crystals of…

Earth Sciences

Ancient Global Warming Allowed Greening of Antarctica

By examining the remnants of plant leaf wax found in sediment cores taken below the Ross Ice Shelf, scientists from the University of Southern California,…

Earth Sciences

Carbon Dioxide Surge in Arctic Coastal Seas: What It Means

Most scientists consider that changes to the Earth’s climate are caused by increasing amounts of greenhouse gases released by humans from, for example, the…

Earth Sciences

NASA reveals heaviest rainfall in Tropical Storm Talim's southwestern side

NASA's Tropical Rainfall Measuring Mission (TRMM) satellite captured a look at rainfall occurring in newborn Tropical Storm Talim in the South China Sea on…

Earth Sciences

NASA’s MODIS Captures Typhoon Guchol Near Kadena Air Base

The Moderate Resolution Imaging Spectroradiometer (MODIS) instrument onboard NASA's Aqua satellite captured a visible image of Typhoon Guchol on June 18, 2012…

Earth Sciences

Scientists Uncover Pre-Columbian Impact on Amazon Basin

Small, shifting human populations existed in the Amazon before the arrival of Europeans, with little long-term effect on the forest.That's the result of…

Earth Sciences

Million year old groundwater in Maryland water supply

“Understanding the average age of groundwater allows scientists to estimate at what rate water is re-entering the aquifer to replace the water we are currently…

Earth Sciences

Arctic Methane Seeps Could Spell Trouble for Florida

The trick was figuring out how much, said Chanton, the John W. Winchester Professor of Oceanography at Florida State University.The four-member team — whose…

Earth Sciences

Hurricane Carlotta Approaches Mexico: Warnings Issued

As Carlotta neared the western coast of Mexico, warnings and watches were posted. On Friday, June 15, 2012, a hurricane warning was in effect for the Pacific…

Earth Sciences

NASA Sees Heavy Rainfall Around Compact Typhoon Guchol's Center

NASA's TRMM satellite analyzed rainfall within the storm and found heavy rainfall around the center of circulation, falling at a rate of over 2 inches/50 mm…

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