The Role of Clear-Sky Identification in the Study of Cloud Radiative Effects: Combined Analysis from ISCCP and the Scanner of Radiation Budget

Stubenrauch, C.; Briand, Vincent; Rossow, William B.

doi:10.1175/1520-0450(2002)041<0396:trocsi>2.0.co;2

Cited by 11 publications

(20 citation statements)

References 26 publications

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“…Multispectral cloud detection makes simultaneous use of HIRS and MSU. Cloud pressure p cld and effective IR cloud emissivity cld are retrieved by a weighted 2 method, using five radiances along the 15-m CO 2 absorption band (Stubenrauch et al 1999a). Cloud pressure is transformed into cloud temperature T cld by using the retrieved atmospheric temperature profiles.…”

Section: Data For Analysis a Atmospheric And Cirrus Properties From mentioning

confidence: 94%

“…Atmospheric temperature and humidity profiles as well as cirrus temperature and cirrus effective IR emissivity are provided by the Television and Infrared Observation Satellite (TIROS-N) Operational Vertical Sounder (TOVS) Path-B dataset (Scott et al 1999;Stubenrauch et al 2006). These parameters are used, together with assumptions about cirrus ice crystal sizes and shapes, in the Met Office radiative transfer model, described in section 3, to determine the cirrus SW albedos.…”

Section: Introductionmentioning

confidence: 90%

“…Cloud pressure is transformed into cloud temperature T cld by using the retrieved atmospheric temperature profiles. The relatively high spectral resolution of the HIRS instruments yields reliable cirrus properties, day and night (Stubenrauch et al 1999b(Stubenrauch et al , 2006. Monthly mean atmospheric temperature and humidity profiles and p cld and cld are used as input to the radiative transfer computations described in section 3.…”

Section: Data For Analysis a Atmospheric And Cirrus Properties From mentioning

confidence: 99%

“…Monthly mean atmospheric temperature and humidity profiles and p cld and cld are used as input to the radiative transfer computations described in section 3. Here, p cld corresponds to a radiatively active altitude that is about the midlevel pressure of the clouds, as has been demonstrated in a study with quasi-simultaneous data from the Lidar In-Space Technology Experiment (LITE) onboard the space shuttle Discovery (Stubenrauch et al 2005).…”

Section: Data For Analysis a Atmospheric And Cirrus Properties From mentioning

confidence: 99%

“…Cirrus clouds cover about 30% of the globe (e.g., Wylie and Menzel 1999;Stubenrauch et al 2006) and play an important role in the climate system. Owing to their complex microphysical characteristics (consisting of nonspherical ice crystals of various shapes and sizes), however, their physical and radiative properties are still not completely understood.…”

Section: Introductionmentioning

confidence: 99%

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Evaluation of Cirrus Parameterizations for Radiative Flux Computations in Climate Models Using TOVS–ScaRaB Satellite Observations

et al. 2007

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Combined simultaneous satellite observations are used to evaluate the performance of parameterizations of the microphysical and optical properties of cirrus clouds used for radiative flux computations in climate models. Atmospheric and cirrus properties retrieved from Television and Infrared Observation Satellite (TIROS-N) Operational Vertical Sounder (TOVS) observations are given as input to the radiative transfer model developed for the Met Office climate model to simulate radiative fluxes at the top of the atmosphere (TOA). Simulated cirrus shortwave (SW) albedos are then compared to those retrieved from collocated Scanner for Radiation Budget (ScaRaB) observations. For the retrieval, special care has been given to angular direction models. Three parameterizations of cirrus ice crystal optical properties are represented in the Met Office radiative transfer model. These parameterizations are based on different physical approximations and different hypotheses on crystal habit. One parameterization assumes pristine ice crystals and two ice crystal aggregates. By relating the cirrus ice water path (IWP) retrieved from the effective infrared emissivity to the cirrus SW albedo, differences between the parameterizations are amplified. This study shows that pristine crystals seem to be plausible only for cirrus with IWP less than 30 g m Ϫ2. For larger IWP, ice crystal aggregates lead to cirrus SW albedos in better agreement with the observations. The data also indicate that climate models should allow the cirrus effective ice crystal diameter (D e ) to increase with IWP, especially in the range up to 30 g m Ϫ2. For cirrus with IWP less than 20 g m Ϫ2 , this would lead to SW albedos that are about 0.02 higher than the ones of a constant D e of 55 m.

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Section: Data For Analysis a Atmospheric And Cirrus Properties From mentioning

confidence: 94%

Section: Introductionmentioning

confidence: 90%

Section: Data For Analysis a Atmospheric And Cirrus Properties From mentioning

confidence: 99%

Section: Data For Analysis a Atmospheric And Cirrus Properties From mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Evaluation of Cirrus Parameterizations for Radiative Flux Computations in Climate Models Using TOVS–ScaRaB Satellite Observations

et al. 2007

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Impacts of Land-use Change on Ecosystem Services

Zhan¹

2015

Springer Geography

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Impact Assessments on Water and Heat Fluxes of Terrestrial Ecosystem Due to Land Use Change

Deng

Liu

et al. 2015

Springer Geography

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The Role of Clear-Sky Identification in the Study of Cloud Radiative Effects: Combined Analysis from ISCCP and the Scanner of Radiation Budget

Cited by 11 publications

References 26 publications

Evaluation of Cirrus Parameterizations for Radiative Flux Computations in Climate Models Using TOVS–ScaRaB Satellite Observations

Evaluation of Cirrus Parameterizations for Radiative Flux Computations in Climate Models Using TOVS–ScaRaB Satellite Observations

Impacts of Land-use Change on Ecosystem Services

Impact Assessments on Water and Heat Fluxes of Terrestrial Ecosystem Due to Land Use Change

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