2017
DOI: 10.5194/acp-17-13625-2017
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Cloud climatologies from the infrared sounders AIRS and IASI: strengths and applications

Abstract: Abstract. Global cloud climatologies have been built from 13 years of Atmospheric Infrared Sounder (AIRS) and 8 years of Infrared Atmospheric Sounding Interferometer (IASI) observations, using an updated Clouds from Infrared Sounders (CIRS) retrieval. The CIRS software can handle any infrared (IR) sounder data. Compared to the original retrieval, it uses improved radiative transfer modelling, accounts for atmospheric spectral transmissivity changes associated with CO 2 concentration and incorporates the latest… Show more

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Cited by 35 publications
(55 citation statements)
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“…When combined with CERES, these data provide the surface net heat flux. Hydrological variables include cloud properties, humidity, and precipitation. Studied anomalies include total cloud and high cloud amount (with pressure < 440 hPa) from Moderate Resolution Imaging Spectroradiometer (MODIS) cloud data (MOD35 and MYD35; Frey et al, ), ice cloud amount from the NASA Atmospheric Infrared Sounder (AIRS) cloud data (Kahn et al, ), and occurrence of upper tropospheric clouds (with pressure < 330 hPa), further divided into opaque (convective), cirrus, and thin cirrus cloud relative to total cloud occurrence from Laboratoire de Météorologie Dynamique‐AIRS cloud data (2003–2015; Stubenrauch et al, ), all on a regular 1° × 1° grid. Cloud liquid water path and column‐integrated water vapor are from the NASA MEaSUREs Multi‐Sensor Advanced Climatology of Liquid Water Path (MAC‐LWP) product (Elsaesser et al, ).…”
Section: Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…When combined with CERES, these data provide the surface net heat flux. Hydrological variables include cloud properties, humidity, and precipitation. Studied anomalies include total cloud and high cloud amount (with pressure < 440 hPa) from Moderate Resolution Imaging Spectroradiometer (MODIS) cloud data (MOD35 and MYD35; Frey et al, ), ice cloud amount from the NASA Atmospheric Infrared Sounder (AIRS) cloud data (Kahn et al, ), and occurrence of upper tropospheric clouds (with pressure < 330 hPa), further divided into opaque (convective), cirrus, and thin cirrus cloud relative to total cloud occurrence from Laboratoire de Météorologie Dynamique‐AIRS cloud data (2003–2015; Stubenrauch et al, ), all on a regular 1° × 1° grid. Cloud liquid water path and column‐integrated water vapor are from the NASA MEaSUREs Multi‐Sensor Advanced Climatology of Liquid Water Path (MAC‐LWP) product (Elsaesser et al, ).…”
Section: Methodsmentioning
confidence: 99%
“…The method is that adopted in other cloud feedback and ENSO feedback studies (e.g., Li et al, ; Lloyd et al, ; Stubenrauch et al, ; Yue et al, ; Zhou et al, ). Monthly anomaly time series of each observational and model variable for each grid box are linearly regressed against regionally averaged SST anomalies.…”
Section: Methodsmentioning
confidence: 99%
“…For the evaluation of the UT cloud properties predicted by the LMDZ GCM, we use satellite retrievals from the Atmospheric InfraRed Sounder (AIRS) and the IR Atmospheric Sounding Interferometer (IASI) measurements (Stubenrauch et al, ). These instruments are sensitive to cirrus down to an IR emissivity, ε cld , of 0.1, during daytime and nighttime.…”
Section: Introductionmentioning
confidence: 99%
“…It is worth mentioning that there are other approaches in the literature for handling cloud vertical inhomogeneity in cloud property retrieval. For example, the Clouds from Infrared Sounders retrieval algorithm (Feofilov & Stubenrauch, ; Stubenrauch et al, ) implemented empirical weighting functions to account for the contributions of vertical cloud layers. In other words, rather than vertical profiles of cloud properties, the radiative effects of vertical cloud layers were the ones being implemented in Clouds from Infrared Sounders.…”
Section: Methodsmentioning
confidence: 99%
“…The cloud coverage is around 70% of the Earth's surface when analyzing clouds with optical thickness greater than 0.1 (Stubenrauch et al, , ). Out of all detected clouds, the high‐level clouds can occupy about 40–50% on the global scale, when considering instruments deemed most sensitive to thin cirrus clouds (Stubenrauch et al, ).…”
Section: Introductionmentioning
confidence: 99%