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Tropospheric Carbon Monoxide Measurements from the Scanning High-resolution Interferometer Sounder on 7 September 2000 in Southern Africa during SAFARI 2000Retrieved tropospheric carbon monoxide (CO) column densities are presented for more than 9000 spectra obtained by the University of Wisconsin-Madison (UWis) Scanning High-Resolution Interferometer Sounder (SHIS) during a flight on the NASA ER-2 on 7 September 2000 as part of the Southern African Regional Science Initiative (SAFARI 2000) dry season field campaign. Enhancements in tropospheric column CO were detected in the vicinity of a controlled biomass burn in the Timbavati Game Reserve in northeastern South Africa and over the edge of the river of smoke in south central Mozambique. Relatively clean air was observed over the far southern coast of Mozambique. Quantitative comparisons are presented with in situ measurements from five different instruments flying on two other aircraft: the University of Washington Convair-580 (CV) and the South African Aerocommander JRB in the vicinity of the Timbavati fire. Measured tropospheric CO columns (extrapolated from 337 to 100 mb) of 2.1 x 10(exp 18) per square centimeter in background air and up to 1.5 x 10(exp 19) per square centimeter in the smoke plume agree well with SHIS retrieved tropospheric CO columns of (2.3 plus or minus 0.25) x 10(exp 18) per square centimeter over background air near the fire and (1.5 plus or minus 0.35) x 10(exp 19) per square centimeter over the smoke plume. Qualitative comparisons are presented with three other in situ CO profiles obtained by the South African JRA aircraft over Mozambique and northern South Africa showing the influence of the river of smoke.
Document ID
20050176539
Acquisition Source
Headquarters
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
McMillan, W. W.
(Maryland Univ. Baltimore County Catonsville, MD, United States)
McCourt, M. L.
(Maryland Univ. Baltimore County Catonsville, MD, United States)
Revercomb, H. E.
(Wisconsin Univ. Madison, WI, United States)
Knuteson, R. O.
(Wisconsin Univ. Madison, WI, United States)
Christian, T. J.
(Montana Univ. Missoula, MT, United States)
Doddridge, B. G.
(Maryland Univ. College Park, MD, United States)
Hobbs, P. V.
(Washington Univ. Seattle, WA, United States)
Lukovich, P. C.
(Maryland Univ. Baltimore County Catonsville, MD, United States)
Novelli, P. C.
(National Oceanic and Atmospheric Administration Boulder, CO, United States)
Piketh, S. J.
(Witwatersrand Univ. Johannesburg, South Africa)
Date Acquired
August 23, 2013
Publication Date
January 1, 2003
Publication Information
Publication: Journal of Geophysical Research
Publisher: American Geophysical Union
Volume: 108
Issue: B D13
ISSN: 0148-0227
Subject Category
Geophysics
Funding Number(s)
CONTRACT_GRANT: NAG5-9022
Distribution Limits
Public
Copyright
Other

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