GEWEX cloud assessment: A review

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dc.contributor.authorStubenrauch, Claudia
dc.contributor.authorRossow, William B.
dc.contributor.authorKinne, Stefan
dc.contributor.authorAckerman, Steve
dc.contributor.authorCesana, Gregory
dc.contributor.authorChepfer, Hélène
dc.contributor.authorDi Girolamo, Larry
dc.contributor.authorGetzewich, Brian
dc.contributor.authorGuignard, Anthony
dc.contributor.authorHeidinger, Andy
dc.contributor.authorMaddux, Brent
dc.contributor.authorMenzel, Paul
dc.contributor.authorMinnis, Patrick
dc.contributor.authorPearl, Cindy
dc.contributor.authorPlatnick, Steven
dc.contributor.authorPoulsen, Caroline
dc.contributor.authorRiedi, Jérôme
dc.contributor.authorSayer, Andrew
dc.contributor.authorSun-Mack, Sunny
dc.contributor.authorWalther, Andi
dc.contributor.authorWinker, Dave
dc.contributor.authorZeng, Shen
dc.contributor.authorZhao, Guangyu
dc.date.accessioned2024-04-29T17:01:19Z
dc.date.available2024-04-29T17:01:19Z
dc.date.issued2013-05-10
dc.descriptionRADIATION PROCESSES IN THE ATMOSPHERE AND OCEAN (IRS2012): Proceedings of the International Radiation Symposium (IRC/IAMAS), 6–10 August 2012, Dahlem Cube, Free University, Berlin
dc.description.abstractClouds cover about 70% of the Earth's surface and play a dominant role in the energy and water cycle of our planet. Only satellite observations provide a continuous survey of the state of the atmosphere over the entire globe and across the wide range of spatial and temporal scales that comprise weather and climate variability. Satellite cloud data records now exceed more than 25 years; however, climatologies compiled from different satellite datasets can exhibit systematic biases. Questions therefore arise as to the accuracy and limitations of the various sensors. The Global Energy and Water cycle Experiment (GEWEX) Cloud Assessment, initiated in 2005 by the GEWEX Radiation Panel, provides the first coordinated intercomparison of publicly available, global cloud products (gridded, monthly statistics) retrieved from measurements of multi-spectral imagers (some with multi-angle view and polarization capabilities), IR sounders and lidar. Cloud properties under study include cloud amount, cloud height (in terms of pressure, temperature or altitude), cloud radiative properties (optical depth or emissivity), cloud thermodynamic phase and bulk microphysical properties (effective particle size and water path). Differences in average cloud properties, especially in the amount of high-level clouds, are mostly explained by the inherent instrument measurement capability for detecting and/or identifying optically thin cirrus, especially when overlying low-level clouds. The study of long-term variations with these datasets requires consideration of many factors. The monthly, gridded database presented here facilitates further assessments, climate studies, and the evaluation of climate models.
dc.description.sponsorshipThe analyses were supported by CNRS and CNES, and the GEWEX Cloud Assessment database is being distributed by the Computer Centre ‘Climserv’ of IPSL. The new website for the GEWEX Cloud Assessment was created by Artem Feofilov. Thanks also to the many individual contributors having attended the workshops and helped creating the database as well as other product team members like Y. Chen, A. Menzie, E. Olson, F. Parol and D. Wylie.
dc.description.urihttps://pubs.aip.org/aip/acp/article/1531/1/404/923019/GEWEX-cloud-assessment-A-review
dc.format.extent5 pages
dc.genrejournal articles
dc.genreconference papers and proceedings
dc.identifierdoi:10.13016/m2qdlp-zprm
dc.identifier.citationStubenrauch, Claudia, William B. Rossow, Stefan Kinne, Steve Ackerman, Gregory Cesana, Hélène Chepfer, Larry Di Girolamo, et al. “GEWEX Cloud Assessment: A Review.” AIP Conference Proceedings 1531, no. 1 (May 10, 2013): 404–7. https://doi.org/10.1063/1.4804792.
dc.identifier.urihttps://doi.org/10.1063/1.4804792
dc.identifier.urihttp://hdl.handle.net/11603/33418
dc.language.isoen_US
dc.publisherAIP
dc.relation.isAvailableAtThe University of Maryland, Baltimore County (UMBC)
dc.relation.ispartofUMBC GESTAR II
dc.rightsThis work was written as part of one of the author's official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law.
dc.rightsPublic Domain
dc.rights.urihttps://creativecommons.org/publicdomain/mark/1.0/
dc.titleGEWEX cloud assessment: A review
dc.typeText
dcterms.creatorhttps://orcid.org/0000-0001-9149-1789

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