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The GEWEX Water Vapor Assessment archive of water vapour products from satellite observations and reanalyses

Schröder, M. and Lockhoff, M. and Fellmoser, F. and Forsythe, J. and Trent, T. and Bennartz, T. and Borbas, E. and Bosilovich, M. and Castelli, E. and Hersbach, H. and Kachi, M. and Kobayashi, H and Kursinski, R. and Loyola, Diego and Mears, C. and Preusker, R. and Rossow, W. and Saha, S. (2018) The GEWEX Water Vapor Assessment archive of water vapour products from satellite observations and reanalyses. Earth System Science Data, 10, pp. 1093-1117. Copernicus Publications. doi: 10.5194/essd-10-1093-2018. ISSN 1866-3508.

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Official URL: https://doi.org/10.5194/essd-10-1093-2018


The Global Energy and Water cycle Exchanges (GEWEX) Data and Assessments Panel (GDAP) initiated the GEWEX Water Vapor Assessment (G-VAP), which has the main objectives to quantify the current state of the art in water vapour products being constructed for climate applications and to support the selection process of suitable water vapour products by GDAP for its production of globally consistent water and energy cycle products. During the construction of the G-VAP data archive, freely available and mature satellite and reanalysis data records with a minimum temporal coverage of 10 years were considered. The archive contains total column water vapour (TCWV) as well as specific humidity and temperature at four pressure levels (1000, 700, 500, 300 hPa) from 22 different data records. All data records were remapped to a regular longitude–latitude grid of 2°  ×  2°. The archive consists of four different folders: 22 TCWV data records covering the period 2003–2008, 11 TCWV data records covering the period 1988–2008, as well as 7 specific humidity and 7 temperature data records covering the period 1988–2009. The G-VAP data archive is referenced under the following digital object identifier (doi): https://doi.org/10.5676/EUM_SAF_CM/GVAP/V001. Within G-VAP, the characterization of water vapour products is, among other ways, achieved through intercomparisons of the considered data records, as a whole and grouped into three classes of predominant retrieval condition: clear-sky, cloudy-sky and all-sky. Associated results are shown using the 22 TCWV data records. The standard deviations among the 22 TCWV data records have been analysed and exhibit distinct maxima over central Africa and the tropical warm pool (in absolute terms) as well as over the poles and mountain regions (in relative terms). The variability in TCWV within each class can be large and prohibits conclusions about systematic differences in TCWV between the classes.

Item URL in elib:https://elib.dlr.de/120465/
Document Type:Article
Title:The GEWEX Water Vapor Assessment archive of water vapour products from satellite observations and reanalyses
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Schröder, M.DWD, Offenbach, DUNSPECIFIED
Lockhoff, M.DWD, Offenbach, DUNSPECIFIED
Fellmoser, F.Karlsruhe Institute of Technology KITUNSPECIFIED
Forsythe, J.Colorado State University, Fort Collins CO, USAUNSPECIFIED
Trent, T.University Road, Leicester, LE1 7RH, UKUNSPECIFIED
Bennartz, T.Vanderbilt University, Nashville TN, USAUNSPECIFIED
Borbas, E.University of Wisconsin – Madison, USAUNSPECIFIED
Castelli, E.Istituto di Scienza dell’Atmosfera e del Clima (ISAC) del Consiglio Nazionale delle Ricerche (CNR), Bologna, ItalyUNSPECIFIED
Kachi, M.Japan Aerospace Exploration Agency, Tsukuba, JapanUNSPECIFIED
Kobayashi, HKyoto Sangyo UniversityUNSPECIFIED
Kursinski, R.Lunar and Planetary Laboratory, University of Arizona, Tucson, AZ, USAUNSPECIFIED
Mears, C.Remote Sensing Systems, Santa Rosa, CA, USAUNSPECIFIED
Preusker, R.FU-Berlin, WeWUNSPECIFIED
Rossow, W.City College of New York, New York NY, USAUNSPECIFIED
Date:15 June 2018
Journal or Publication Title:Earth System Science Data
Refereed publication:Yes
Open Access:Yes
Gold Open Access:Yes
In ISI Web of Science:Yes
Page Range:pp. 1093-1117
Publisher:Copernicus Publications
Keywords:Water vapour GOME SCIAMACHY GOME-2
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Earth Observation
DLR - Research theme (Project):R - Vorhaben Ozon-SAF (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute > Atmospheric Processors
Deposited By: Loyola, Dr.-Ing. Diego
Deposited On:20 Jun 2018 12:30
Last Modified:02 May 2019 14:17

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