A new inversion method to calculate emission inventories without a prior at mesoscale: Application to the anthropogenic CO2 emission from Houston, Texas

被引：32

作者：

Brioude, J. ^{[1
]}

Petron, G. ^{[4
]}

Frost, G. J. ^{[1
]}

Ahmadov, R. ^{[1
]}

Angevine, W. M. ^{[1
]}

Hsie, E. -Y. ^{[1
]}

Kim, S. -W. ^{[1
]}

Lee, S. -H. ^{[3
,5
]}

McKeen, S. A. ^{[1
]}

Trainer, M. ^{[1
]}

Fehsenfeld, F. C. ^{[1
]}

Holloway, J. S. ^{[1
]}

Peischl, J. ^{[1
]}

Ryerson, T. B. ^{[1
]}

Gurney, K. R. ^{[2
]}

机构：

[1] NOAA, Div Chem Sci, Earth Syst Res Lab, Boulder, CO 80305 USA

[2] Arizona State Univ, Sch Life Sci, Tempe, AZ 85287 USA

[3] Los Alamos Natl Lab, Div Earth & Environm Sci, Los Alamos, NM 87545 USA

[4] NOAA, Global Monitoring Div, Earth Syst Res Lab, Boulder, CO 80305 USA

[5] Los Alamos Natl Lab, New Mexico Consortium, Los Alamos, NM 87545 USA

来源：

JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES | 2012年 / 117卷

基金：

美国国家科学基金会;

关键词：

CARBON-DIOXIDE; FLUXES; NO2;

D O I：

10.1029/2011JD016918

中图分类号：

P4 [大气科学（气象学）];

学科分类号：

0706 ; 070601 ;

摘要：

We developed a new inversion method to calculate an emission inventory for an anthropogenic pollutant without a prior emission estimate at mesoscale. This method employs slopes between mixing ratio enhancements of a given pollutant (CO2, for instance) with other co-emitted tracers in conjunction with the emission inventories of those tracers (CO, NOy, and SO2 are used in this example). The current application of this method employed in situ measurements onboard the NOAA WP-3 research aircraft during the 2006 Texas Air Quality Study (TexAQS 2006). We used 3 different transport models to estimate the uncertainties introduced by the transport models in the inversion. We demonstrated the validity of the new inversion method by calculating a 4 x 4 km(2) emission inventory of anthropogenic CO2 in the Houston area in Texas, and comparing it to the 10 x 10 km(2) Vulcan emission inventory for the same region. The calculated anthropogenic CO2 inventory for the Houston Ship Channel, home to numerous major industrial and port emission sources, showed excellent agreement with Vulcan. The daytime CO2 average flux from the Ship Channel is the largest urban CO2 flux reported in the literature. Compared to Vulcan, the daytime urban area CO2 emissions were higher by 37% +/- 6%. Those differences can be explained by uncertainties in emission factors in Vulcan and by increased emissions from point sources and on-road emitters between 2002, the reference year in Vulcan, and 2006, the year that the TexAQS observations were made.

引用

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