Validation of IFE-1.6 SCIAMACHY limb ozone profiles
The IFE-1.6 scientific data set of SCIAMACHY limb ozone profiles is validated for the period August–December 2002. The data set provides ozone profiles over an altitude range of 15–45 km. The main uncertainty in the profiles is the imprecise knowledge of the pointing of the i...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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Copernicus Publications
2005-01-01
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| Series: | Atmospheric Chemistry and Physics |
| Online Access: | http://www.atmos-chem-phys.net/5/3045/2005/acp-5-3045-2005.pdf |
| _version_ | 1811299969792999424 |
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| author | A. J. Segers C. von Savigny E. J. Brinksma A. J. M. Piters |
| author_facet | A. J. Segers C. von Savigny E. J. Brinksma A. J. M. Piters |
| author_sort | A. J. Segers |
| collection | DOAJ |
| description | The IFE-1.6 scientific data set of SCIAMACHY limb ozone profiles is validated for the period August–December 2002. The data set provides ozone profiles over an altitude range of 15–45 km. The main uncertainty in the profiles is the imprecise knowledge of the pointing of the instrument, leading to retrieved profiles that are shifted in altitude direction. To obtain a first order correction for the pointing error and the remaining uncertainties, the retrieved profiles are compared to their a-priori value and ozone sondes based on absolute distance and equivalent latitude criteria. A vertical shift of the satellite profiles with 2 km downward is found to be an appropriate correction for the data set studied. A total root-mean-square difference between limb profiles and sondes of 10–15% remains for the stratospheric ozone profile after application of the correction. Small biases are left above and below the ozone maximum at mid latitudes, where the vertical gradients in the retrieved product are in general too strong. |
| first_indexed | 2024-04-13T06:44:23Z |
| format | Article |
| id | doaj.art-fbb8153f30ae45b4a02491a6b8899439 |
| institution | Directory Open Access Journal |
| issn | 1680-7316 1680-7324 |
| language | English |
| last_indexed | 2024-04-13T06:44:23Z |
| publishDate | 2005-01-01 |
| publisher | Copernicus Publications |
| record_format | Article |
| series | Atmospheric Chemistry and Physics |
| spelling | doaj.art-fbb8153f30ae45b4a02491a6b88994392022-12-22T02:57:39ZengCopernicus PublicationsAtmospheric Chemistry and Physics1680-73161680-73242005-01-0151130453052Validation of IFE-1.6 SCIAMACHY limb ozone profilesA. J. SegersC. von SavignyE. J. BrinksmaA. J. M. PitersThe IFE-1.6 scientific data set of SCIAMACHY limb ozone profiles is validated for the period August–December 2002. The data set provides ozone profiles over an altitude range of 15–45 km. The main uncertainty in the profiles is the imprecise knowledge of the pointing of the instrument, leading to retrieved profiles that are shifted in altitude direction. To obtain a first order correction for the pointing error and the remaining uncertainties, the retrieved profiles are compared to their a-priori value and ozone sondes based on absolute distance and equivalent latitude criteria. A vertical shift of the satellite profiles with 2 km downward is found to be an appropriate correction for the data set studied. A total root-mean-square difference between limb profiles and sondes of 10–15% remains for the stratospheric ozone profile after application of the correction. Small biases are left above and below the ozone maximum at mid latitudes, where the vertical gradients in the retrieved product are in general too strong.http://www.atmos-chem-phys.net/5/3045/2005/acp-5-3045-2005.pdf |
| spellingShingle | A. J. Segers C. von Savigny E. J. Brinksma A. J. M. Piters Validation of IFE-1.6 SCIAMACHY limb ozone profiles Atmospheric Chemistry and Physics |
| title | Validation of IFE-1.6 SCIAMACHY limb ozone profiles |
| title_full | Validation of IFE-1.6 SCIAMACHY limb ozone profiles |
| title_fullStr | Validation of IFE-1.6 SCIAMACHY limb ozone profiles |
| title_full_unstemmed | Validation of IFE-1.6 SCIAMACHY limb ozone profiles |
| title_short | Validation of IFE-1.6 SCIAMACHY limb ozone profiles |
| title_sort | validation of ife 1 6 sciamachy limb ozone profiles |
| url | http://www.atmos-chem-phys.net/5/3045/2005/acp-5-3045-2005.pdf |
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