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First satellite observations of lower tropospheric ammonia and methanol

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dc.contributor.author Beer, Reinhard
dc.contributor.author Shephard, Mark W.
dc.contributor.author Kulawik, Susan S.
dc.contributor.author Clough, Shepard A.
dc.contributor.author Eldering, Annmarie
dc.contributor.author Bowman, Kevin W.
dc.contributor.author Sander, Stanley P.
dc.contributor.author Fisher, Brendan M.
dc.contributor.author Payne, Vivienne H.
dc.contributor.author Luo, Mingzhao
dc.contributor.author Osterman, Gregory B.
dc.contributor.author Worden, John R.
dc.date.accessioned 2008-07-31T22:39:07Z
dc.date.available 2008-07-31T22:39:07Z
dc.date.issued 2008-05-01
dc.identifier.citation Geophysical Research Letters, Vol. 35, L09801, doi:10.1029/2008GL033642, 2008 en_US
dc.identifier.clearanceno 08-0941
dc.identifier.uri http://hdl.handle.net/2014/40891
dc.description.abstract The Tropospheric Emission Spectrometer (TES) on the EOS Aura satellite makes global measurements of infrared radiances which are used to derive profiles of species such as O3, CO, H2O, HDO and CH4 as routine standard products. In addition, TES has a variety of special modes that provide denser spatial mapping over a limited geographical area. A continuous-coverage mode (called ‘‘transect’’, about 460 km long) has now been used to detect additional molecules indicative of regional air pollution. On 10 July 2007 at about 05:37 UTC (13:24 LMST) TES conducted such a transect observation over the Beijing area in northeast China. Examination of the residual spectral radiances following the retrieval of the TES standard products revealed surprisingly strong features attributable to enhanced concentrations of ammonia (NH3) and methanol (CH3OH), well above the normal background levels. This is the first time that these molecules have been detected in space-based nadir viewing measurements that penetrate into the lower atmosphere. en_US
dc.description.sponsorship JPL/NASA en_US
dc.language.iso en_US en_US
dc.publisher American Geophysical Union en_US
dc.subject Tropospheric Emission Spectrometer (TES) en_US
dc.subject ammonia en_US
dc.subject methanol en_US
dc.title First satellite observations of lower tropospheric ammonia and methanol en_US
dc.type Article en_US


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