Statistics – Methodology
Scientific paper
May 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002agusmsa31a..02u&link_type=abstract
American Geophysical Union, Spring Meeting 2002, abstract #SA31A-02
Statistics
Methodology
0340 Middle Atmosphere: Composition And Chemistry
Scientific paper
The SubMillimeter Radiometer (SMR) onboard the Odin mini satellite, launched in February 2001, employs 4 tunable single-sideband Schottky-diode heterodyne receivers in the ~485-580 GHz spectral range.Observations of the Earths limb are performed in a time sharing mode with astronomical observations using a 1 m telescope. Spectra are recorded using 2 high resolution autocorrelators and an acousto-optical spectrometer. In aeronomy mode, various target bands are dedicated to observations of trace constituents relevant to stratospheric/mesospheric chemistry and dynamics such as O3, ClO, N2O, HNO3, NO, H2O, CO, and isotopes of H2O and O3. Profile information can be retrieved from the spectral measurements of a limb scan by inverting the radiative transfer equation for a non-scattering atmosphere. A retrieval algorithm based on the so-called Optimal Estimation Method has been adopted for the ground segments of Odin-SMR in Sweden and in France. The aim of this presentation is to present the retrieval methodology and the capabilities of the SMR instrument for the study of major stratospheric target species. Odin is a Swedish-led satellite project funded jointly by Sweden,Canada, Finland and France.
Baron Philippe
de La Noë Jérôme
Eriksson Patrick
Jimenez Carmen
Lautié N.
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