High-sensitivity radiometry of air-water interface fast temperature and heat flux variances

High-sensitivity radiometry of air-water interface fast temperature and heat flux variances

Fast variances of temperature profile and heat flux through the water-air interface caused by atmospheric turbulence in weak wind conditions have been determined on the basis of measurements of radio brightness evolution of water at the frequencies of 60 and 131 GHz. Two components of the heat flux...

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Veröffentlicht in:IEEE transactions on geoscience and remote sensing 2003-12, Vol.41 (12), p.2760-2766
1. Verfasser: Gaikovich, K.P.
Format: Artikel
Sprache:eng
Schlagworte:
Atmospheric measurements
Brightness
Evaporation
Evolution
Frequency measurement
Heat flux
Heat transfer
Integral equations
Mathematical analysis
Ocean temperature
Radiometry
Temperature measurement
Temperature sensors
Thermal conductivity
Viscous sublayers
Water heating
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Zusammenfassung:Fast variances of temperature profile and heat flux through the water-air interface caused by atmospheric turbulence in weak wind conditions have been determined on the basis of measurements of radio brightness evolution of water at the frequencies of 60 and 131 GHz. Two components of the heat flux related to evaporation and to thermal conductivity have been obtained, which enabled us to determine evaporation rate and viscous sublayer depth variances. Statistical parameters of water surface temperature variations have been calculated.
ISSN:0196-2892
1558-0644
DOI:10.1109/TGRS.2003.815668