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First ground-based FTIR observations of methane in the inner tropics over several years

Petersen, A. K. and Warneke, T. and Frankenberg, C. and Bergamaschi, P. and Gerbig, C. and Notholt, J. and Buchwitz, M. and Schneising, O. and Schrems, O. (2010) First ground-based FTIR observations of methane in the inner tropics over several years. Atmospheric Chemistry and Physics, 10 (15). pp. 7231-7239. ISSN 1680-7316.

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Total column concentrations of methane have been retrieved from ground-based solar absorption FTIR spectra in the near-infrared recorded in Paramaribo (Suriname). The methane FTIR observations are compared with TM5 model simulations and satellite observations from SCIAMACHY, and represent the first validation of SCIAMACHY retrievals in the inner tropics using ground-based remote sensing techniques. Apart from local biomass burning features, our methane FTIR observations agree well with TM5 model simulations. The comparison of the direct measured CH_4/CO_2 ratios by FTIR and satellite reveals that the satellite can hardly detect methane emissions of tropical biomass burning due to the used retrieval method.

Item Type:Article
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URLURL TypeDescription
Warneke, T.0000-0001-5185-3415
Frankenberg, C.0000-0002-0546-5857
Gerbig, C.0000-0002-1112-8603
Additional Information:© Author(s) 2010. CC Attribution 3.0 License. Received 4 January 2010; Published in Atmos. Chem. Phys. Discuss. 1 February 2010; Revised 29 July 2010; Accepted 3 August 2010; Published 6 August 2010. We kindly acknowledge Ed Dlugokencky and the NOAA ESRL network for providing the surface in situ data for Ascension Island and Ragged Point, Barbados. We wish to thank Cor Becker and his team of the Meteorological Service of Suriname for their support and cooperation, and Dennis Wip and Bing Tan from the Anton-de-Kom-University for their support of the measurement campaigns. We also thank Martine de Mazière (Belgian Institute for Space Aeronomy) for organization and support. We acknowledge Christian Rödenbeck for providing the TM3 model data. Financial support by the Zentrale Forschungsförderung (ZF) of the University Bremen and by the EU within STAR, SCOUT, HYMN and ACCENT is acknowledged.
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Zentrale Forschungsförderung (ZF)UNSPECIFIED
Issue or Number:15
Record Number:CaltechAUTHORS:20150508-113125921
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Official Citation:Petersen, A. K., Warneke, T., Frankenberg, C., Bergamaschi, P., Gerbig, C., Notholt, J., . . . Schrems, O. (2010). First ground-based FTIR observations of methane in the inner tropics over several years. Atmos. Chem. Phys., 10(15), 7231-7239. doi: 10.5194/acp-10-7231-2010
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:57378
Deposited By: Joanne McCole
Deposited On:08 May 2015 21:25
Last Modified:09 Mar 2020 13:19

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