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NASA Instrument Provides New Tools For Atmospheric Studies

Date:
November 7, 2000
Source:
NASA/Jet Propulsion Laboratory
Summary:
Scientists have developed new methods of retrieving information about cloud heights, winds, airborne particles, and Earth's surface using data from the Multi-angle Imaging SpectroRadiometer (MISR) instrument orbiting on NASA's Terra satellite.

Scientists have developed new methods of retrieving information about cloud heights, winds, airborne particles, and Earth's surface using data from the Multi-angle Imaging SpectroRadiometer (MISR) instrument orbiting on NASA's Terra satellite.

MISR acquires images of the Earth at nine angles simultaneously, using nine separate cameras pointed forward, downward, and backward along its flight path. Examples of images and atmospheric information that MISR can provide are available at

http://www.jpl.nasa.gov/pictures/misr/ .

The first example gives three views of Hurricane Debby. One shows the storm's eastern edge as seen by the instrument's downward-looking camera. The others display cloud heights and motions generated by taking advantage of the instrument's multi- angle stereoscopic imaging capability.

The second example illustrates how MISR can detect and measure the abundance of particles, including pollution, in the atmosphere. The downward-looking view of the Appalachian Mountains looks clear, while another image, from a camera viewing at a large slant angle, reveals a thin layer of haze. The third panel is a map of the amount of airborne particulates derived from the images.

These demonstrations are based upon samples of MISR's advanced data products. The samples and MISR camera image data are available to the public though the Atmospheric Sciences Data Center (ASDC) at NASA's Langley Research Center, Hampton, Va., http://eosweb.larc.nasa.gov/ .

MISR, built and managed by the Jet Propulsion Laboratory, is one of several Earth-observing experiments aboard Terra, which was launched in December 1999. The MISR science team includes members in the United States, England, and Italy. More information about MISR is available at:

http://www-misr.jpl.nasa.gov .

JPL is a division of the California Institute of Technology in Pasadena.


Story Source:

The above story is based on materials provided by NASA/Jet Propulsion Laboratory. Note: Materials may be edited for content and length.


Cite This Page:

NASA/Jet Propulsion Laboratory. "NASA Instrument Provides New Tools For Atmospheric Studies." ScienceDaily. ScienceDaily, 7 November 2000. <www.sciencedaily.com/releases/2000/11/001106055427.htm>.
NASA/Jet Propulsion Laboratory. (2000, November 7). NASA Instrument Provides New Tools For Atmospheric Studies. ScienceDaily. Retrieved October 1, 2014 from www.sciencedaily.com/releases/2000/11/001106055427.htm
NASA/Jet Propulsion Laboratory. "NASA Instrument Provides New Tools For Atmospheric Studies." ScienceDaily. www.sciencedaily.com/releases/2000/11/001106055427.htm (accessed October 1, 2014).

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