Precision estimates for SCIAMACHY limb retrievals

Author

Kaiser, J.W. ; Eichmann, K.-U. ; Rozanov, V.V. ; Burrows, J.P.

Author_Institution

Inst. of Remote Sensing, Bremen Univ., Germany

Volume

4

fYear

2001

fDate

2001

Firstpage

1832

Abstract

SCIAMACHY is a space-based hyper-spectral spectrometer for atmospheric research. It is recording Earth-shine spectra in the UV-visible and near infrared spectral range in nadir, limb and occultation geometries. Measurements of UV-VIS-NIR spectra in limb geometry are a new technique with high demands on the quality of radiative transfer and retrieval algorithms. Theoretical precisions for retrievals from SCIAMACHY´s limb measurements are calculated with a fully spherical radiative transfer model. O₃ profiles will be measured with a precision of 1% throughout the stratosphere and in the UT/LS region. The retrievals of other trace gases will have precisions between 1 and 100% depending on retrieval altitude

Keywords

atmospheric measuring apparatus; infrared spectrometers; ultraviolet spectrometers; visible spectrometers; 240 to 2380 nm; BrO; Earth-shine spectrum; Envisat; H₂O; IR spectral range; NO₂; O₃; O₃ profiles; OClO; SCIAMACHY limb retrievals; UV spectral range; atmospheric research; limb geometry; limb measurements; methane; nadir geometry; occultation geometry; precision estimates; retrieval algorithm; space-based hyper-spectral spectrometer; spherical radiative transfer model; stratosphere; trace gases; visible spectral range; Aerosols; Atmospheric measurements; Atmospheric modeling; Covariance matrix; Gases; Geometry; Instruments; Satellites; Spectroscopy; Temperature;

fLanguage

English

Publisher

ieee

Conference_Titel

Geoscience and Remote Sensing Symposium, 2001. IGARSS '01. IEEE 2001 International

Conference_Location

Sydney, NSW

Print_ISBN

0-7803-7031-7

Type

conf

DOI

10.1109/IGARSS.2001.977087

Filename

977087