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    Satellite Measurements of Surface Albedo and Temperatures in Semi-Desert

    Source: Journal of Climate and Applied Meteorology:;1985:;volume( 024 ):;issue: 003::page 228
    Author:
    Otterman, J.
    ,
    Tucker, C. J.
    DOI: 10.1175/1520-0450(1985)024<0228:SMOSAA>2.0.CO;2
    Publisher: American Meteorological Society
    Abstract: Measurements of surface parameters in an arid steppe (the semi-desert of the northern Sinai) were made from the NOAA-6 satellite to assess the effects of the vegetation recovery in a fenced-off area. The radiances measured in the solar wavelengths over the vegetated area were about 25% lower than those measured over the surrounding bare sandy soil (where the surface albedo measured from Landsat is about 0.42). This implies a reduction in the albedo by the vegetation also by about 25% if both surfaces are regarded as Lambertian, but by as much as 42% if the vegetated area is modeled as a plane of soil with vertically protruding plants. The radiation temperatures in the 11 ?m channel at ?0730 LST measured over the vegetated area were by as much as 2.5 K higher than over the surrounding sands.
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      Satellite Measurements of Surface Albedo and Temperatures in Semi-Desert

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4145981
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    • Journal of Climate and Applied Meteorology

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    contributor authorOtterman, J.
    contributor authorTucker, C. J.
    date accessioned2017-06-09T14:00:31Z
    date available2017-06-09T14:00:31Z
    date copyright1985/03/01
    date issued1985
    identifier issn0733-3021
    identifier otherams-10821.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4145981
    description abstractMeasurements of surface parameters in an arid steppe (the semi-desert of the northern Sinai) were made from the NOAA-6 satellite to assess the effects of the vegetation recovery in a fenced-off area. The radiances measured in the solar wavelengths over the vegetated area were about 25% lower than those measured over the surrounding bare sandy soil (where the surface albedo measured from Landsat is about 0.42). This implies a reduction in the albedo by the vegetation also by about 25% if both surfaces are regarded as Lambertian, but by as much as 42% if the vegetated area is modeled as a plane of soil with vertically protruding plants. The radiation temperatures in the 11 ?m channel at ?0730 LST measured over the vegetated area were by as much as 2.5 K higher than over the surrounding sands.
    publisherAmerican Meteorological Society
    titleSatellite Measurements of Surface Albedo and Temperatures in Semi-Desert
    typeJournal Paper
    journal volume24
    journal issue3
    journal titleJournal of Climate and Applied Meteorology
    identifier doi10.1175/1520-0450(1985)024<0228:SMOSAA>2.0.CO;2
    journal fristpage228
    journal lastpage235
    treeJournal of Climate and Applied Meteorology:;1985:;volume( 024 ):;issue: 003
    contenttypeFulltext
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