Journal article
Far infrared remote sounding of stratospheric temperature and trace gas distributions
Journal of atmospheric chemistry, v 2(2), pp 145-162
01 Jan 1984
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
The thermal emission spectrum of the Earth's stratosphere in the far IR exhibits rotational transitions of a large number of trace constituents in addition to the magnetic dipole lines of molecular oxygen. Stratospheric lines that have been identified in the far-IR spectrum include H sub(2) O, O sub(3) , HNO sub(3) , N sub(2) O, CO, HCl, HF, HCN, and OH. The authors discuss the potential usefulness of far-IR thermal emission measurements for simultaneous retrieval of temperature and constituent distributions. A description of the high-resolution Michelson interferometer currently used for balloonborne far-IR stratospheric studies is given, along with a summary of the mode of limb-scan observations and an example of an observed spectrum. Numerical results based on synthetic limb-radiance data for model atmospheres are presented. On the basis of line-by-line transmittance calculations, formal inversion techniques with a radiative transfer model are employed. Temperature profiles are retrieved from synthetic spectra by an inversion of the O sub(2) magnetic dipole lines. Vertical trace-gas mixing ratio profiles are determined from an analysis of the corresponding spectral emission features. Numerical results based on synthetic limb-radiance data are presented in order to assess the retrieval accuracies of the temperature profiles and the vertical mixing ratio profiles of O sub(3) , HCl, and OH.
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Details
- Title
- Far infrared remote sounding of stratospheric temperature and trace gas distributions
- Creators
- Mian Abbas - Drexel UniversityJu-Tao Guo - Microbiology and Immunology
- Publication Details
- Journal of atmospheric chemistry, v 2(2), pp 145-162
- Publisher
- Springer Nature
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Microbiology and Immunology
- Web of Science ID
- WOS:A1984AAG7600004
- Scopus ID
- 2-s2.0-0021554432
- Other Identifier
- 991019173465104721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Environmental Sciences
- Meteorology & Atmospheric Sciences