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| Titel |
Matching radiative transfer models and radiosonde data from the EPS/Metop Sodankylä campaign to IASI measurements |
| VerfasserIn |
X. Calbet, R. Kivi, S. Tjemkes, F. Montagner, R. Stuhlmann |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1867-1381
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| Digitales Dokument |
URL |
| Erschienen |
In: Atmospheric Measurement Techniques ; 4, no. 6 ; Nr. 4, no. 6 (2011-06-23), S.1177-1189 |
| Datensatznummer |
250002016
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| Publikation (Nr.) |
 copernicus.org/amt-4-1177-2011.pdf |
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| Zusammenfassung |
| Radiances observed from IASI are compared to calculated ones.
Calculated radiances are obtained using several radiative
transfer models (OSS, LBLRTM v11.3 and v11.6) on best
estimates of the atmospheric state vectors. The atmospheric
state vectors are derived from cryogenic frost point
hygrometer and humidity dry bias corrected RS92 measurements
flown on sondes launched 1 h and 5 min before IASI
overpass time. The temperature and humidity best estimate
profiles are
obtained by interpolating or extrapolating these
measurements to IASI overpass time. The IASI observed and
calculated radiances match to within one sigma IASI instrument
noise in the spectral region where water vapour is a strong
absorber (wavenumber, ν, in the range of 1500 ≤ ν ≤
1570 and 1615 ≤ ν ≤ 1800 cm−1). |
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