ASTER observations of the spectral emissivity over New Mexico

Thomas Schmugge, Andrew French, Jerry Ritchie, Mark Chopping, Al Rango

Research output: Contribution to journalConference article

1 Citation (Scopus)

Abstract

On several days in 2000 & 2001 the Advanced Spaceborne Thermal Emission and Reflection radiometer (ASTER) on the Terra satellite obtained data over the Jornada Experimental Range test site along the Rio Grande river and the White Sand National Monument in New Mexico. ASTER has 14 channels from the visible (VNIR) through the thermal infrared (TIR) with 15 m resolution in the VNIR and 90 m in the TIR. The overpass time is approximately 11AM (MST). With 5 channels between 8 and 12 μm these multispectral TIR data from ASTER provide the opportunity to separate the temperature and emissivity effects observed in the thermal emission from the land surface. Ground measurements during these overflights included surface temperature, vegetation type and condition and limited surface emissivity measurements. Preliminary results indicate good agreement between ASTER emissivities and ground measures. Analysis of earlier aircraft data has shown that the multispectral TIR data are very effective for estimating both the surface temperature and emissivity. These results will be compared with those obtained from the ASTER data for this site. With multispectral thermal infrared observations provided by ASTER it is possible for the first time to estimate the spectral emissivity variation for these surfaces on a global basis at high spatial resolution.

Original languageEnglish
Pages (from-to)207-213
Number of pages7
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume4542
DOIs
StatePublished - 1 Jan 2002
EventRemote Sensing for Agriculture, Ecosystems, and Hydrology III - Toulouse, France
Duration: 17 Sep 200119 Sep 2001

Fingerprint

Emissivity
Radiometer
Radiometers
thermal emission
radiometers
emissivity
Thermal Infrared
Infrared radiation
surface temperature
Rio Grande (North America)
test ranges
Minimum Spanning Tree
Vegetation
vegetation
Observation
Hot Temperature
Spatial Resolution
rivers
sands
aircraft

Keywords

  • ASTER
  • Emissivity
  • Gypsum
  • Remote sensing
  • Terra
  • Thermal infrared

Cite this

Schmugge, Thomas ; French, Andrew ; Ritchie, Jerry ; Chopping, Mark ; Rango, Al. / ASTER observations of the spectral emissivity over New Mexico. In: Proceedings of SPIE - The International Society for Optical Engineering. 2002 ; Vol. 4542. pp. 207-213.
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abstract = "On several days in 2000 & 2001 the Advanced Spaceborne Thermal Emission and Reflection radiometer (ASTER) on the Terra satellite obtained data over the Jornada Experimental Range test site along the Rio Grande river and the White Sand National Monument in New Mexico. ASTER has 14 channels from the visible (VNIR) through the thermal infrared (TIR) with 15 m resolution in the VNIR and 90 m in the TIR. The overpass time is approximately 11AM (MST). With 5 channels between 8 and 12 μm these multispectral TIR data from ASTER provide the opportunity to separate the temperature and emissivity effects observed in the thermal emission from the land surface. Ground measurements during these overflights included surface temperature, vegetation type and condition and limited surface emissivity measurements. Preliminary results indicate good agreement between ASTER emissivities and ground measures. Analysis of earlier aircraft data has shown that the multispectral TIR data are very effective for estimating both the surface temperature and emissivity. These results will be compared with those obtained from the ASTER data for this site. With multispectral thermal infrared observations provided by ASTER it is possible for the first time to estimate the spectral emissivity variation for these surfaces on a global basis at high spatial resolution.",
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ASTER observations of the spectral emissivity over New Mexico. / Schmugge, Thomas; French, Andrew; Ritchie, Jerry; Chopping, Mark; Rango, Al.

In: Proceedings of SPIE - The International Society for Optical Engineering, Vol. 4542, 01.01.2002, p. 207-213.

Research output: Contribution to journalConference article

TY - JOUR

T1 - ASTER observations of the spectral emissivity over New Mexico

AU - Schmugge, Thomas

AU - French, Andrew

AU - Ritchie, Jerry

AU - Chopping, Mark

AU - Rango, Al

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AB - On several days in 2000 & 2001 the Advanced Spaceborne Thermal Emission and Reflection radiometer (ASTER) on the Terra satellite obtained data over the Jornada Experimental Range test site along the Rio Grande river and the White Sand National Monument in New Mexico. ASTER has 14 channels from the visible (VNIR) through the thermal infrared (TIR) with 15 m resolution in the VNIR and 90 m in the TIR. The overpass time is approximately 11AM (MST). With 5 channels between 8 and 12 μm these multispectral TIR data from ASTER provide the opportunity to separate the temperature and emissivity effects observed in the thermal emission from the land surface. Ground measurements during these overflights included surface temperature, vegetation type and condition and limited surface emissivity measurements. Preliminary results indicate good agreement between ASTER emissivities and ground measures. Analysis of earlier aircraft data has shown that the multispectral TIR data are very effective for estimating both the surface temperature and emissivity. These results will be compared with those obtained from the ASTER data for this site. With multispectral thermal infrared observations provided by ASTER it is possible for the first time to estimate the spectral emissivity variation for these surfaces on a global basis at high spatial resolution.

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