Ozone concentration profile retrieval from ground-based high-resolution thermal infrared spectra.
Simulations of the Atmospheric Emitted Radiance Interferometer (AERI), a ground-based, high-resolution infrared detection system, are used to produce retrieved atmospheric ozone concentration profiles. A line-by-line transmittance model, FASCD3P, is used for the forward model and a maximum likelihoo...
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| Format: | Thesis |
| Language: | English |
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Curtin University
1996
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| Online Access: | http://hdl.handle.net/20.500.11937/1887 |
| _version_ | 1848743797207334912 |
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| author | Van Delst, Paul F. |
| author_facet | Van Delst, Paul F. |
| author_sort | Van Delst, Paul F. |
| building | Curtin Institutional Repository |
| collection | Online Access |
| description | Simulations of the Atmospheric Emitted Radiance Interferometer (AERI), a ground-based, high-resolution infrared detection system, are used to produce retrieved atmospheric ozone concentration profiles. A line-by-line transmittance model, FASCD3P, is used for the forward model and a maximum likelihood retrieval scheme is employed for the inverse model. An a priori data set consisting of 83 midlatitude winter ozone sondes is used to condition the inversion. Three iterations are required to reduce the radiance residuals to less than the instrument noise. The retrieval accuracy below 300mb is within 25% of truth. Above 300mb, variance within the a priori data is the dominant source of retrieval error. This is due to the number of retrieved layers (27) being higher than the amount of independent information present in the radiance spectra (approximately 4) so much of the retrieval information above 300mb comes from the a priori data. |
| first_indexed | 2025-11-14T05:51:16Z |
| format | Thesis |
| id | curtin-20.500.11937-1887 |
| institution | Curtin University Malaysia |
| institution_category | Local University |
| language | English |
| last_indexed | 2025-11-14T05:51:16Z |
| publishDate | 1996 |
| publisher | Curtin University |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | curtin-20.500.11937-18872017-02-20T06:39:27Z Ozone concentration profile retrieval from ground-based high-resolution thermal infrared spectra. Van Delst, Paul F. ground-based infrared measurement ozone concentration profile Simulations of the Atmospheric Emitted Radiance Interferometer (AERI), a ground-based, high-resolution infrared detection system, are used to produce retrieved atmospheric ozone concentration profiles. A line-by-line transmittance model, FASCD3P, is used for the forward model and a maximum likelihood retrieval scheme is employed for the inverse model. An a priori data set consisting of 83 midlatitude winter ozone sondes is used to condition the inversion. Three iterations are required to reduce the radiance residuals to less than the instrument noise. The retrieval accuracy below 300mb is within 25% of truth. Above 300mb, variance within the a priori data is the dominant source of retrieval error. This is due to the number of retrieved layers (27) being higher than the amount of independent information present in the radiance spectra (approximately 4) so much of the retrieval information above 300mb comes from the a priori data. 1996 Thesis http://hdl.handle.net/20.500.11937/1887 en Curtin University fulltext |
| spellingShingle | ground-based infrared measurement ozone concentration profile Van Delst, Paul F. Ozone concentration profile retrieval from ground-based high-resolution thermal infrared spectra. |
| title | Ozone concentration profile retrieval from ground-based high-resolution thermal infrared spectra. |
| title_full | Ozone concentration profile retrieval from ground-based high-resolution thermal infrared spectra. |
| title_fullStr | Ozone concentration profile retrieval from ground-based high-resolution thermal infrared spectra. |
| title_full_unstemmed | Ozone concentration profile retrieval from ground-based high-resolution thermal infrared spectra. |
| title_short | Ozone concentration profile retrieval from ground-based high-resolution thermal infrared spectra. |
| title_sort | ozone concentration profile retrieval from ground-based high-resolution thermal infrared spectra. |
| topic | ground-based infrared measurement ozone concentration profile |
| url | http://hdl.handle.net/20.500.11937/1887 |