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Scan asymmetries in AMSU-B data
Universität Bremen, Institute of Environmental Physics.
Universität Bremen, Institute of Environmental Physics.
2005 (English)In: Geophysical Research Letters, ISSN 0094-8276, E-ISSN 1944-8007, Vol. 32, no 24, p. L2481-Article in journal (Refereed) Published
Abstract [en]

A simple method of averaging measurements for different scan positions was used to quantify scan asymmetries in AMSU-B brightness temperatures for the sensors on the satellites NOAA 15, 16, and 17. The method works particularly well for the sounding channels 18 to 20. The asymmetries are small in most cases. In particular, asymmetries for Channel 18 are below 1.90, −0.53, and 0.49 K for NOAA 15, 16, and 17, respectively. On the other hand, it was found that the instrument on NOAA 15 has significant asymmetries for Channels 19 and 20, which seem to be related to the known radio frequency interference problem for this instrument. The use of the appropriate set of interference correction coefficients significantly reduces the asymmetry.

Place, publisher, year, edition, pages
2005. Vol. 32, no 24, p. L2481-
National Category
Aerospace Engineering
Research subject
Space Technology
Identifiers
URN: urn:nbn:se:ltu:diva-5140DOI: 10.1029/2005GL024747Local ID: 32aafa90-f880-11db-b2dd-000ea68e967bOAI: oai:DiVA.org:ltu-5140DiVA, id: diva2:978014
Note
Upprättat; 2005; 20070502 (pafi)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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