Landsat

Satellites could help locate missing Malaysian flight

satellite image of South China sea

The Beijing-bound Malaysian Airlines flight MH730 disappeared on 8 March 2014 over the South China sea.

GeoSage, a company specialized in developing image fusion and spectral transformation analysis, is suggesting to use Landsat-8 satellite imagery to analyze the surrounding ocean area, where the plane lost contact. 

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Mon, 10/03/2014 - 16:03

Peru: First National Forest Monitoring Maps released

Deforestation in Peru detected by Landsat 8 in August 2013.

Peru hosts about 75 percent of the western Amazon jungle. Deforestation is therefore a critical topic for the country. Now, a major milestone in conserving and managing the western Amazon has been reached by mapping more than 95 percent of Peruvian forests using archived satellite imagery. The Peruvian Ministry of Environment, MINAM, has publicly released its first estimates of deforestation from 2000 to 2011.

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Wed, 05/03/2014 - 08:17

Landsat-8: First Year in Space

Lansat-8 image

A year ago NASA’s Landsat-8 satellite was launched into orbit. During this year scientists have been analyzing the data delivered by the satellite. They have calibrated the information against ground observations and information gathered from other Landsat missions.

The data files from the new satellite are larger than from the former Landsat missions. The researchers’ team will pre-process the data and create a Web-Enabled Landsat Data (WELD) which will allow scientists to preview data before downloading.

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Tue, 11/02/2014 - 13:31

NASA: Measuring Sea Surface Temperatures with Satellites

Surface temperatures of the Gulf Stream

With data from sensors such as the Thermal Infrared Sensor (TIRS) on NASA's Landsat 8 satellite, experts can calculate sea surface temperatures without having to measure water temperatures on site. NASA's Landsat team has produced this image of the surface temperatures in the Gulf Stream based on data input by the infrared bands of TIRS.

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Fri, 27/12/2013 - 08:18

Remote Sensing helps locate the Coldest Spot on Earth

Remote Sensing image showsing the coldest place on Earth

NASA's Landsat 8 satellite defined the coldest place on Earth - a high ridge in Antarctica on the East Antarctic Plateau where temperatures in several hollows can dip below minus 133.6 degrees Fahrenheit (minus 92 degrees Celsius) on a clear winter night.

Scientists from NASA evaluated 21 years’ worth of data, including the most detailed global surface temperature maps, developed with data from remote sensing satellites. They found that the temperatures were record low many times between Dome Argus and Dome Fuji, but the new record was set on 10 August 2010.

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Thu, 12/12/2013 - 11:21

Colombia: IGAC publishes USGS Landsat 8 Products Guide

Remote sensing course and spatial analysis

UN-SPIDER's Regional Support Office in Colombia, IGAC, has published a guide in Spanish for the use and processing of LDCM-Landsat 8 products.

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Mon, 04/11/2013 - 10:23

Referenced UN-SPIDER Regional Support Office: 

Russia: Landsat sees Klyuchevskaya volcano eruption

false-color image shows heat from the flows

On 20 October, NASA's Landsat 8 captured multiple lava flows streamed down Klyuchevskaya northern and western flanks with its onboard Operational Land Imager (OLI). Klyuchevskaya (also spelled Kliuchevskoi), located on Russia's Kamchatka Peninsula, is one of the world’s most active volcanoes.

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Wed, 30/10/2013 - 10:48

New Landsat data released for free access

New Landsat data, including Landsat-8, are now available free of charge

Thousands of never-before-seen data products from the US Landsat satellites acquired over 30 years have been released for online access, as ESA reported. In addition, the newest data over Europe from the latest satellite in the series, Landsat-8, are now accessible in near-real time through a new portal hosted by ESA.

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Wed, 11/09/2013 - 12:39

Landsat: First Images Released From Newest Earth Observation Satellite

LDCM: First Scene

NASA and the Department of the Interior's U.S. Geological Survey (USGS) have released the first images from the Landsat Data Continuity Mission (LDCM) satellite, which was launched Feb. 11.

The natural-color images show the intersection of the United States Great Plains and the Front Range of the Rocky Mountains in Wyoming and Colorado. In the images, green coniferous forests in the mountains stretch down to the brown plains with Denver and other cities strung south to north.

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Tue, 26/03/2013 - 10:48

NASA and ESA improve imagery compatibility

Campaign to cross calibrate the Sentinel-2 and Landsat Data Continuity Mission

ESA and NASA have joined forces to ensure that Sentinel-2 and the newly launched Landsat Data Continuity Mission offer compatible data products, thereby bringing greater benefits to users of images of Earth’s land and coastal zones.

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Mon, 18/02/2013 - 16:24

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