Search results for calipso

Earth Sciences Aug 8, 2017

Can poor air quality mask global warming's effects?

During the 20th century, the average temperature of the continental United States rose by almost 1 degree Fahrenheit (0.5 degree Celsius)—everywhere, that is, except in the Southeast. There, until the 1980s, the temperature ...

Earth Sciences Dec 19, 2016

Space-based lidar shines new light on plankton

A space-based sensor that can "see" through fog, clouds and darkness has given scientists their first continuous look at the boom-bust cycles that drive polar plankton communities.

Earth Sciences Jan 12, 2016

Clouds, like blankets, trap heat and are melting the Greenland Ice Sheet

The Greenland Ice Sheet is the second largest ice sheet in the world and it's melting rapidly, likely driving almost a third of global sea level rise.

Earth Sciences Aug 17, 2015

How does NASA study hurricanes?

Hurricanes are the most powerful weather event on Earth. NASA's expertise in space and scientific exploration contributes to essential services provided to the American people by other federal agencies, such as hurricane ...

Space Exploration Jul 23, 2015

Sunny, with a chance of nuclear bullets

In space, far above Earth's turbulent atmosphere, you might think the one thing you don't have to worry about is weather. But you would be wrong. Just ask the people charged with the safety of the Cloud-Aerosol Lidar and ...

Earth Sciences Jul 7, 2015

Volcanic eruptions slow down climate change - temporarily

Although global concentration of greenhouse gases in the atmosphere has continuously increased over the past decade, the mean global surface temperature has not followed the same path. A team of international reseachers, ...

Earth Sciences Feb 24, 2015

Massive amounts of Saharan dust fertilize the Amazon rainforest

The Sahara Desert and the Amazon rainforest seem to inhabit separate worlds. The former is a vast expanse of sand and scrub stretching across the northern third of Africa, while the latter is a dense green mass of humid jungle ...

Space Exploration Jan 20, 2015

NOAA's DSCOVR NISTAR instrument watches Earth's 'budget'

The NISTAR instrument that will fly aboard NOAA's space weather-observing spacecraft called the Deep Space Climate Observatory (DSCOVR), is going to measure the Earth's radiation budget.

Earth Sciences Dec 1, 2014

NASA's CATS eyes clouds, smoke and dust from the space station

Turn on any local TV weather forecast and you can get a map of where skies are blue or cloudy. But for scientists trying to figure out how clouds affect the Earth's environment, what's happening inside that shifting cloud ...

Space Exploration Sep 8, 2014

New remote-sensing instrument to blaze a trail on the International Space Station

The Cloud-Aerosol Transport System (CATS), a new instrument that will measure the character and worldwide distribution of the tiny particles that make up haze, dust, air pollutants and smoke, will do more than gather data ...

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