Test and evaluation of a VTPR retrieval system from clear-column NOAA 2 radiances.
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Authors
Dyck, Harry Milton
Subjects
Clear column
Radiance
Satellite
Transmittance
VTPR
Temperature Retrieval
Radiance
Satellite
Transmittance
VTPR
Temperature Retrieval
Advisors
Martin, F.L.
Date of Issue
1975
Date
March 1975
Publisher
Monterey, CA; Naval Postgraduate School
Language
en_US
Abstract
An iterative technique for the retrieval of temperatures
at each of 100 levels ranging from 1000 mb to 0.01 mb is
evaluated. Clear-column radiance data in the carbon dioxide
channels of the VTPR of NOAA 2 are used in inverting the
radiative transfer equations to deduce the T(P) profile. The
retrieval technique includes the computation of atmospheric
transmittances due to three atmospheric absorber masses
(carbon dioxide, water vapor, and ozone) and non-homogeneous
temperature-pressure effects along the vertical. The program
also corrects these transmittances for zenith path differences
between the satellite and the retrieval site when the site is
not directly below the sensor. A normalized wave number,
close to 700 cm , but decreasing with decreasing values of
pressure, was used in solving the Planck function for temperature,
level-by-level. The retrieved temperatures were then
compared with matching radiosondes at 15 key atmospheric
levels and the resulting errors analyzed on a globally averaged
and latitude band basis at each of the 15 levels.
Type
Thesis
Description
Series/Report No
Department
Department of Meteorology
Organization
Naval Postgraduate School (U.S.)
Identifiers
NPS Report Number
Sponsors
Funding
Format
Citation
Distribution Statement
Approved for public release; distribution is unlimited.
Rights
This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.