Journal Article

FZJ-2015-06503

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png New calibration noise suppression techniques for the GLORIA limb imageriek

Guggenmoser, T. (Corresponding author)FZJ* ; Blank, J. ; Kleinert, A. ; Latzko, T. ; Ungermann, J.FZJ* ; Friedl-Vallon, F. ; Höpfner, M. ; Kaufmann, M.FZJ* ; Kretschmer, E. ; Maucher, G. ; Neubert, T.FZJ* ; Oelhaf, H. ; Preusse, P.FZJ* ; Riese, M.FZJ* ; Rongen, H.FZJ* ; Sha, M. K. ; Sumińska-Ebersoldt, O. ; Tan, V.FZJ*

2015
Copernicus Katlenburg-Lindau

This record in other databases:  

Please use a persistent id in citations: http://hdl.handle.net/2128/9402  doi:10.5194/amt-8-3147-2015

Abstract: The Gimballed Limb Observer for Radiance Imaging of the Atmosphere (GLORIA) presents new opportunities for the retrieval of trace gases in the upper troposphere and lower stratosphere. The radiometric calibration of the measured signal is achieved using in-flight measurements of reference blackbody and upward-pointing "deep space" scenes. In this paper, we present techniques developed specifically to calibrate GLORIA data exploiting the instrument's imaging capability. The algorithms discussed here make use of the spatial correlation of parameters across GLORIA's detector pixels in order to mitigate the noise levels and artefacts in the calibration measurements. This is achieved by combining a priori and empirical knowledge about the instrument background radiation with noise-mitigating compression methods, specifically low-pass filtering and principal component analysis (PCA). In addition, a new software package for the processing of GLORIA data is introduced which allows us to generate calibrated spectra from raw measurements in a semi-automated data processing chain.

---

Contributing Institute(s):

1. Stratosphäre (IEK-7)

Research Program(s):

1. 244 - Composition and dynamics of the upper troposphere and middle atmosphere (POF3-244) (POF3-244)

Appears in the scientific report 2015

---

Database coverage:
; ; ; ; Current Contents - Physical, Chemical and Earth Sciences ; IF < 5 ; JCR ; SCOPUS ; Science Citation Index Expanded ; Thomson Reuters Master Journal List ; Web of Science Core Collection

---