An efficient strategy for the inversion of bidirectional reflectance models with satellite remote sensing data

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Description

The angular distribution of radiation scattered by the earth surface contains information on the structural and optical properties of the surface. Potentially, this information may be retrieved through the inversion of surface bidirectional reflectance distribution function (BRDF) models. This report details the limitations and efficient application of BRDF model inversions using data from ground- and satellite-based sensors. A turbid medium BRDF model, based on the discrete ordinates solution to the transport equation, was used to quantify the sensitivity of top-of-canopy reflectance to vegetation and soil parameters. Results were used to define parameter sets for inversions. Using synthetic reflectance values, the ... continued below

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205 p.

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Privette, J.L. December 31, 1994.

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Description

The angular distribution of radiation scattered by the earth surface contains information on the structural and optical properties of the surface. Potentially, this information may be retrieved through the inversion of surface bidirectional reflectance distribution function (BRDF) models. This report details the limitations and efficient application of BRDF model inversions using data from ground- and satellite-based sensors. A turbid medium BRDF model, based on the discrete ordinates solution to the transport equation, was used to quantify the sensitivity of top-of-canopy reflectance to vegetation and soil parameters. Results were used to define parameter sets for inversions. Using synthetic reflectance values, the invertibility of the model was investigated for different optimization algorithms, surface and sampling conditions. Inversions were also conducted with field data from a ground-based radiometer. First, a soil BRDF model was inverted for different soil and sampling conditions. A condition-invariant solution was determined and used as the lower boundary condition in canopy model inversions. Finally, a scheme was developed to improve the speed and accuracy of inversions.

Physical Description

205 p.

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OSTI as DE97053337

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  • Other Information: TH: Thesis (Ph.D.)

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  • Other: DE97053337
  • Report No.: DOE/OR/00033--T710
  • Grant Number: AC05-76OR00033
  • DOI: 10.2172/527478 | External Link
  • Office of Scientific & Technical Information Report Number: 527478
  • Archival Resource Key: ark:/67531/metadc689662

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Office of Scientific & Technical Information Technical Reports

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  • December 31, 1994

Added to The UNT Digital Library

  • Aug. 14, 2015, 8:43 a.m.

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  • Nov. 4, 2015, 5:46 p.m.

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Privette, J.L. An efficient strategy for the inversion of bidirectional reflectance models with satellite remote sensing data, report, December 31, 1994; United States. (digital.library.unt.edu/ark:/67531/metadc689662/: accessed November 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.