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  Lessons learned from the updated GEWEX cloud assessment database

Stubenrauch, C. J., Kinne, S., Mandorli, G., Rossow, W. B., Winker, D. M., Ackerman, S. A., et al. (2024). Lessons learned from the updated GEWEX cloud assessment database. Surveys in Geophysics, early access. doi:10.1007/s10712-024-09824-0.

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 Creators:
Stubenrauch, Claudia J.1, Author
Kinne, Stefan2, Author           
Mandorli, Giulio, Author
Rossow, William B., Author
Winker, David M., Author
Ackerman, Steven A., Author
Chepfer, Helene, Author
Di Girolamo, Larry, Author
Garnier, Anne, Author
Heidinger, Andrew, Author
Karlsson, Karl-Göran, Author
Meyer, Kerry, Author
Minnis, Patrick, Author
Platnick, Steven, Author
Stengel, Martin, Author
Sun-Mack, Szedung, Author
Veglio, Paolo, Author
Walther, Andi, Author
Cai, Xia, Author
Young, Alisa H., Author
Zhao, Guangyu, Author more..
Affiliations:
1External Organizations, ou_persistent22              
2Tropical Cloud Observations, Department Climate Physics, MPI for Meteorology, Max Planck Society, Bundesstraße 53, 20146 Hamburg, DE, ou_3001853              

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Free keywords: Aerosols; Climate models; Climatology; Clouds; Optical remote sensing; Satellites; Cloud cover; Cloud heights; Cloud properties; Cloud radiative properties; Cloud types; Cloud-aerosol lidar and infrared pathfinder satellite observations; Global energy; International satellite cloud climatology projects; Microphysical property; Satellite remote sensing; Optical radar
 Abstract: Since the first Global Energy and Water Exchanges cloud assessment a decade ago, existing cloud property retrievals have been revised and new retrievals have been developed. The new global long-term cloud datasets show, in general, similar results to those of the previous assessment. A notable exception is the reduced cloud amount provided by the Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observation (CALIPSO) Science Team, resulting from an improved aerosol–cloud distinction. Height, opacity and thermodynamic phase determine the radiative effect of clouds. Their distributions as well as relative occurrences of cloud types distinguished by height and optical depth are discussed. The similar results of the two assessments indicate that further improvement, in particular on vertical cloud layering, can only be achieved by combining complementary information. We suggest such combination methods to estimate the amount of all clouds within the atmospheric column, including those hidden by clouds aloft. The results compare well with those from CloudSat-CALIPSO radar–lidar geometrical profiles as well as with results from the International Satellite Cloud Climatology Project (ISCCP) corrected by the cloud vertical layer model, which is used for the computation of the ISCCP-derived radiative fluxes. Furthermore, we highlight studies on cloud monitoring using the information from the histograms of the database and give guidelines for: (1) the use of satellite-retrieved cloud properties in climate studies and climate model evaluation and (2) improved retrieval strategies. © The Author(s) 2024.

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Language(s): eng - English
 Dates: 2024-03
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1007/s10712-024-09824-0
BibTex Citekey: StubenrauchKinneEtAl2024
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Title: Surveys in Geophysics
Source Genre: Journal
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Publ. Info: Springer Science and Business Media B.V.
Pages: - Volume / Issue: - Sequence Number: early access Start / End Page: - Identifier: ISSN: 01693298