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    Experimental results of the remote sensing of sea-surface salinity at 21-cm wavelength

    Date
    1976-07-01
    Author
    Thomann, Gary C.
    Metadata
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    Citation
    Thomann, G.C.; , "Experimental Results of the Remote Sensing of Sea-Surface Salinity at 21-cm Wavelength," Geoscience Electronics, IEEE Transactions on , vol.14, no.3, pp.198-214, July 1976 doi: 10.1109/TGE.1976.294450
    Abstract
    The complex dielectric constant of sea water is a function of salinity at 21-cm wavelength, and sea-water salinity can be determined by a measurement of radiometric temperature at 21 cm along with a measurement of thermodynamic temperature. Three aircraft and two helicopter experiments using two different 21-cm radiometers were conducted under different salinity and temperature conditions. Ground-truth measurements were used to calibrate the data in each experiment. RMS deviations of between 2 and 3%0 were found between remote and ground-truth boat measurements. Part of this deviation is attributed to position mislocation between the aircraft and boats. It is inferred from these experiments that accuracies of 1 to 2%o are possible with a single surface calibration point necessary only every two hours if the following conditions are met-water temperatures about 20°C, salinities above 10%0, level aircraft flight, and extreme care near land masses.
    Description
    The full text of this article is not available on SOAR. WSU users can access the article via IEEE Xplore database licensed by University Libraries: http://libcat.wichita.edu/vwebv/holdingsInfo?bibId=1045954
    URI
    http://dx.doi.org/10.1109/TGE.1976.294450
    http://hdl.handle.net/10057/4080
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