Author: Robert Paul D'Entremont Publisher: ISBN: Category : Attenuation (Physics) Languages : en Pages : 50
Book Description
The Real-Time Nephanalysis (RTNE PH) generates real-time global analysis of cloud extent, base, height, and type. The RTNE PH makes extensive use of satellite data that are measured in the 10-12 micron infrared (IR) window for thermal mapping of clouds and the earth's surface both day and night. Water vapor absorption effects are significant in such data, especially for high viewing angles and tropical atmospheres where water vapor concentrations are generally high. Water vapor attenuates the emitted ground radiance, reducing its magnitude and with it the apparent temperature of the surface being viewed. Currently, the RTNEPH takes into account such attenuation losses using lookup tables that are functions of viewing geometry, time of day, type of background, and the like. However, these corrections have limited value and leave room for significant improvement. This report outlines and presents two new techniques that are expected to enhance the attenuation correction capabilities of the RTNEPH, multivariate polynomial regression (the Weinreb technique) and the correlated K method.
Author: Robert Paul D'Entremont Publisher: ISBN: Category : Attenuation (Physics) Languages : en Pages : 0
Book Description
The Real-Time Nephanalysis (RTNE PH) generates real-time global analysis of cloud extent, base, height, and type. The RTNE PH makes extensive use of satellite data that are measured in the 10-12 micron infrared (IR) window for thermal mapping of clouds and the earth's surface both day and night. Water vapor absorption effects are significant in such data, especially for high viewing angles and tropical atmospheres where water vapor concentrations are generally high. Water vapor attenuates the emitted ground radiance, reducing its magnitude and with it the apparent temperature of the surface being viewed. Currently, the RTNEPH takes into account such attenuation losses using lookup tables that are functions of viewing geometry, time of day, type of background, and the like. However, these corrections have limited value and leave room for significant improvement. This report outlines and presents two new techniques that are expected to enhance the attenuation correction capabilities of the RTNEPH, multivariate polynomial regression (the Weinreb technique) and the correlated K method.
Author: Publisher: ISBN: Category : Atmospheric chemistry Languages : en Pages : 964
Book Description
Covering the world's literature on meteorology, climatology, atmospheric chemistry and physics, physical oceanography, hydrology, glaciology, and related environmental sciences.
Author: R. H. Crompton Publisher: ISBN: Category : Infrared radiation Languages : en Pages : 1
Book Description
Contents: Atmospheric absorption problem Basis of atmos heric absorption Significant atmospheric constituents Water vapor absorption Absorption water vapor content of a slant path through the atmosphere A practical approach to water vapor content Water vapor absorption models The Beer-Lambert law The m thod of Elder and Strong The Elsasser absorption model The Goody model Comparison of models Carbon dioxide absorption Error function absorption model Absorption from CO2 in path length Ozone absorption Error function ozone absorption model Absorption from ozone in path length Total absorption Temperature and pressure effects Scan angles.
Author: Robert Paul D'Entremont
Author: Robert Paul D'Entremont
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Author: R. H. Crompton
Author: Vladimir Evseevich Zuev
Author: Larry Anderson Pugh
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