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Title: The greenhouse gas project of ESA’s climate change initiative (GHG-CCI): overview, achievements and future plans
Authors: Buchwitz, M.
Reuter, M.
Schneising, O.
Boesch, H.
Aben, I.
Alexe, M.
Armante, R.
Bergamaschi, P.
Bovensmann, H.
Brunner, D.
Buchmann, B.
Burrows, J. P.
Butz, A.
Chevallier, F.
Chédin, A.
Crevoisier, C. D.
Gonzi, S.
De Mazière, M.
De Wachter, E.
Detmers, R.
Dils, B.
Frankenberg, C.
Hahne, P.
Hasekamp, O. P.
Hewson, W.
Heymann, J.
Houweling, S.
Hilker, M.
Kaminski, T.
Kuhlmann, G.
Laeng, A.
v. Leeuwen, T. T.
Lichtenberg, G.
Marshall, J.
Noël, S.
Notholt, J.
Palmer, P.
Parker, R.
Scholze, M.
Stiller, G. P.
Warneke, T.
Zehner, C.
First Published: 28-Apr-2015
Presented at: 36th International Symposium on Remote Sensing of Environment, Berlin, GERMANY
Start Date: 11-May-2015
End Date: 15-May-2015
Publisher: Copernicus Publications
Citation: The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Volume XL-7/W3, 2015 36th International Symposium on Remote Sensing of Environment, 11–15 May 2015, Berlin, Germany
Abstract: The GHG-CCI project ( is one of several projects of the European Space Agency’s (ESA) Climate Change Initiative (CCI). The goal of the CCI is to generate and deliver data sets of various satellite-derived Essential Climate Variables (ECVs) in line with GCOS (Global Climate Observing System) requirements. The “ECV Greenhouse Gases” (ECV GHG) is the global distribution of important climate relevant gases – namely atmospheric CO2 and CH4 - with a quality sufficient to obtain information on regional CO2 and CH4 sources and sinks. The main goal of GHG-CCI is to generate long-term highly accurate and precise time series of global near-surface-sensitive satellite observations of CO2 and CH4, i.e., XCO2 and XCH4, starting with the launch of ESA’s ENVISAT satellite. These products are currently retrieved from SCIAMACHY/ENVISAT (2002-2012) and TANSO-FTS/GOSAT (2009-today) nadir mode observations in the near-infrared/shortwave-infrared spectral region. In addition, other sensors (e.g., IASI and MIPAS) and viewing modes (e.g., SCIAMACHY solar occultation) are also considered and in the future also data from other satellites. The GHG-CCI data products and related documentation are freely available via the GHG-CCI website and yearly updates are foreseen. Here we present an overview about the latest data set (Climate Research Data Package No. 2 (CRDP#2)) and summarize key findings from using satellite CO2 and CH4 retrievals to improve our understanding of the natural and anthropogenic sources and sinks of these important atmospheric greenhouse gases. We also shortly mention ongoing activities related to validation and initial user assessment of CRDP#2 and future plans.
DOI Link: 10.5194/isprsarchives-XL-7-W3-165-2015
ISSN: 2194-9034
eISSN: 2194-9050
Version: Publisher Version
Status: Peer-reviewed
Type: Conference Paper
Rights: © Author(s) 2015. This work is distributed under the Creative Commons Attribution 3.0 License.
Appears in Collections:Conference Papers & Presentations, Dept. of Physics and Astronomy

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