• DocumentCode
    2683327
  • Title

    Estimating the fraction of absorbed photosynthetically active radiation (fAPAR) from off-nadir airborne measurements

  • Author

    De Colstoun, Eric C Brown ; Walthall, Charles L. ; Russell, Carol A. ; Irons, James R.

  • Author_Institution
    Dept. of Geogr., Maryland Univ., College Park, MD, USA
  • Volume
    3
  • fYear
    1994
  • fDate
    8-12 Aug 1994
  • Firstpage
    1823
  • Abstract
    Following suggestions to use the bidirectional domain of remote sensing as a means to reduce the variability in the relationship between fAPAR and spectral vegetation indices (SVIs), the authors investigated the effect of estimating fAPAR from off-nadir airborne measurements acquired by the Advanced Solid-state Array Spectroradiometer (ASAS) during the First International Satellite Land Surface Climatology Project (ISLSCP) Field Experiment (FIFE) in Kansas. They examined two techniques to estimate fAPAR using atmospherically corrected data. One utilized the normalized difference vegetation index (NDVI) and simple ratio (SR) and the second made use of linear combinations of red and NIR reflectances
  • Keywords
    agriculture; geophysical techniques; infrared imaging; remote sensing; APAR; ASAS; Advanced Solid-state Array Spectroradiometer; FIFE; ISLSCP; NDVI; PAR; SVI; United States USA; absorbed photosynthetically active radiation; agriculture crops Kansas; bidirectional domain; geophysical measurement technique; land surface; light visible; normalized difference vegetation index; off-nadir airborne measurement; red infrared reflectance; remote sensing; simple ratio; spectral vegetation indices; vegetation mapping; Atmospheric measurements; Crops; Educational institutions; Geography; Iron; Laboratories; Remote sensing; Spectroradiometers; State estimation; Vegetation;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Geoscience and Remote Sensing Symposium, 1994. IGARSS '94. Surface and Atmospheric Remote Sensing: Technologies, Data Analysis and Interpretation., International
  • Conference_Location
    Pasadena, CA
  • Print_ISBN
    0-7803-1497-2
  • Type

    conf

  • DOI
    10.1109/IGARSS.1994.399578
  • Filename
    399578
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=2683327