Saturday, April 13, 2013

Fires in Central America

Fires in Central America [ Back to EurekAlert! ] Public release date: 12-Apr-2013
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Contact: Rob Gutro
robert.j.gutro@nasa.gov
NASA/Goddard Space Flight Center

On April 11, 2013, the Moderate Resolution Imaging Spectroradiometer (MODIS) aboard NASA's Aqua satellite passed over Mexico and Central America, and acquired this true-color image of dozens of fires burning across the region.

Fires dot the landscapes of Mexico, Guatemala, El Salvador, and Honduras in this image. Each red mark that appears is an area where the thermal detectors on the MODIS instrument recognized temperatures higher than the background which means that most likely those dots are fires.

As these dots appear in satellite images during April, the dry season and also planting season, these areas may either be wildfires that were caused by the dry, hot conditions or by lightning strikes, or they could be agricultural in nature. Fires are often set deliberately by farmers in order to clear out old crops and prepare the soil for new planting.

Also interesting in this image is the shiny, silver-toned band aligned in a north-to-south direction. It is sunglint the reflection of the Sun off the surface of the water.

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NASA image courtesy Jeff Schmaltz LANCE/EOSDIS MODIS Rapid Response Team, GSFC. Caption by Lynn Jenner


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Fires in Central America [ Back to EurekAlert! ] Public release date: 12-Apr-2013
[ | E-mail | Share Share ]

Contact: Rob Gutro
robert.j.gutro@nasa.gov
NASA/Goddard Space Flight Center

On April 11, 2013, the Moderate Resolution Imaging Spectroradiometer (MODIS) aboard NASA's Aqua satellite passed over Mexico and Central America, and acquired this true-color image of dozens of fires burning across the region.

Fires dot the landscapes of Mexico, Guatemala, El Salvador, and Honduras in this image. Each red mark that appears is an area where the thermal detectors on the MODIS instrument recognized temperatures higher than the background which means that most likely those dots are fires.

As these dots appear in satellite images during April, the dry season and also planting season, these areas may either be wildfires that were caused by the dry, hot conditions or by lightning strikes, or they could be agricultural in nature. Fires are often set deliberately by farmers in order to clear out old crops and prepare the soil for new planting.

Also interesting in this image is the shiny, silver-toned band aligned in a north-to-south direction. It is sunglint the reflection of the Sun off the surface of the water.

###

NASA image courtesy Jeff Schmaltz LANCE/EOSDIS MODIS Rapid Response Team, GSFC. Caption by Lynn Jenner


[ Back to EurekAlert! ] [ | E-mail | Share Share ]

?


AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert! system.


Source: http://www.eurekalert.org/pub_releases/2013-04/nsfc-fic041213.php

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