Matching radiative transfer models and radiosonde data from the EPS/MetOp Sodankylä campaign to IASI measurements
| Autor: | F. Montagner, Stephen Tjemkes, Rolf Stuhlmann, Rigel Kivi, Xavier Calbet |
|---|---|
| Rok vydání: | 2010 |
| Předmět: |
Atmospheric Science
Hygrometer lcsh:TA715-787 lcsh:Earthwork. Foundations Humidity IASI instrument Atmospheric sciences law.invention lcsh:Environmental engineering Cryogenic frost-point hygrometer law Radiosonde data Radiosonde Radiative transfer Wavenumber Environmental science lcsh:TA170-171 Water vapor Noise (radio) Remote sensing |
| Zdroj: | ARCIMIS. Archivo Climatológico y Meteorológico Institucional (AEMET) Agencia Estatal de Meteorología (AEMET) Atmospheric Measurement Techniques, Vol 4, Iss 6, Pp 1177-1189 (2011) |
| ISSN: | 1867-8548 |
| Popis: | 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). |
| Databáze: | OpenAIRE |
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