NASA

Asteroid Impact on Earth: Experts Review Global Response and Mitigation Steps

A workshop has brought together leading representatives from space agencies and international experts to discuss key issues related to global response and cooperation in the event of a Near Earth Object (NEO) impact threat to Earth.

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Wed, 31/08/2011 - 17:53

Landsat image maps aid fire recovery efforts

NASA satellite images regularly map active fires around the world.

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Thu, 25/08/2011 - 11:15

CDEMA publishes situation report on the Matthieu Dam's collapse

In the early morning of July 28, 2011, Dominica's Matthieu Dam was breached, damaging infrastructure downstream in the Layou River valley.

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Wed, 17/08/2011 - 12:18

Landsat Satellites Track Continued Missouri River Flooding

Flooding along the Missouri River continues as shown in recent Landsat satellite images of the Nebraska and Iowa border. Heavy rains and snowmelt have caused the river to remain above flood stage for an extended period.

A Landsat 5 image of the area from May 5, 2011 shows normal flow. In contrast, a Landsat 7 image from July 17 depicts flood conditions in the same location.

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Thu, 21/07/2011 - 12:10

Here's Looking @ Earth... First Volcanoes... Now Snow

Ordinarily, the flashes of white in South America’s Atacama Desert rise from salt pans.But on July 7, 2011, when the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite

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Wed, 13/07/2011 - 17:05

Landsat 5 captures Missouri River flooding near Omaha

Landsat 5 captured an image of flooding occurring along the Iowa/Nebraska border on June 30, 2011. Flooding is still occurring on July 6, and Flood Warnings are still in effect from the National Weather Service.

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, medium blue. In the image, the Interstate is cut off by flood waters, just south of Missouri Valley, Iowa, and about 20 miles north of Omaha.

Publishing Date: 

Thu, 07/07/2011 - 17:25

June 2011

NASA's Aura Satellite measures pollution from New Mexico, Arizona fires

NASA's Aura Satellite has provided a view of nitrogen dioxide levels coming from the fires in New Mexico and Arizona.

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Tue, 05/07/2011 - 11:07

NASA Flights Seek To Improve View Of Air Pollution From Space

WASHINGTON -- Two NASA research airplanes will fly over the Baltimore-Washington region and northeast Maryland this summer as part of a mission to enhance the capability of satellites to measure ground-level air quality from space.

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Fri, 24/06/2011 - 15:58

Satellite programs aid emergency crews battling wildfires

Multiple firefighting agencies are using imagery -- provided by federally funded Landsat 5 and 7, Aqua and Terra satellites -- to combat wildfires that continue to blaze across Arizona.

The satellites capture images of the Earth's surface and then, using color enhancements, firefighters can identify different regions most susceptible to wildfire burning. In the images, burn scars are red, ongoing fires are bright red, vegetation is green, smoke is blue and bare ground is tan-colored.

Publishing Date: 

Thu, 23/06/2011 - 14:44

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