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    Length Scale Analysis of Surface Energy Fluxes Derived from Remote Sensing

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    Brunsell_2003_Analysis-surface-energy-fluxes.pdf (382.9Kb)
    Issue Date
    2003
    Author
    Brunsell, Nathaniel A.
    Gillies, Robert R.
    Publisher
    American Meteorological Society
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
    Metadata
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    Abstract
    Wavelet multiresolution analysis was used to examine the variation in dominant length scales determined from remotely sensed airborne- and satellite-derived surface energy flux data. The wavelet cospectra are computed between surface radiometric temperature, fractional vegetation, and derived energy fluxes at airborne (12 m) and Advanced Very High Resolution Radiometer (AVHRR) (1000 m) resolutions. Length scale analysis of highresolution data shows that small-scale variability in temperature dominates over other effects. Analysis of coarseresolution data shows that small-scale variations in vegetation are important, although the large-scale variation in radiometric temperature dominates the derived fluxes. This is determined to be a result of the fact that, at smaller scales, the incoming solar radiation effect is muted by the small-scale variability in vegetation, temperature, and albedo, whereas at coarser scales, the large-scale effect of incoming radiation on temperature dominates over the smaller-scale features in surface variability.
    URI
    http://hdl.handle.net/1808/8661
    DOI
    https://doi.org/10.1175/1525-7541(2003)004<1212:LSAOSE>2.0.CO;2
    Collections
    • Center for Latin American and Caribbean Studies Scholarly Works [743]
    • Geography & Atmospheric Science Scholarly Works [184]
    Citation
    Brunsell, N. A. and R. R. Gillies: 2003, Length scale analysis of surface energy uxes derived from remote sensing. Journal of Hydrometeorology, 4, 1212-1219. http://dx.doi.org/10.1175/1525-7541(2003)004<1212:LSAOSE>2.0.CO;2

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    KU Libraries
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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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