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Quantification of NO2 and SO2 emissions from the Houston Ship Channel and Texas City industrial areas during the 2006 Texas Air Quality Study

Claudia Rivera (Institutionen för radio- och rymdvetenskap, Optisk fjärranalys) ; Johan Mellqvist (Institutionen för radio- och rymdvetenskap, Optisk fjärranalys) ; Jerker Samuelsson (Institutionen för radio- och rymdvetenskap, Optisk fjärranalys) ; B. Lefer ; S. Alvarez ; M. R. Patel
Journal of Geophysical Research - Atmospheres (0148-0227). Vol. 115 (2010),
[Artikel, refereegranskad vetenskaplig]

In August-September 2006, as part of the Second Texas Air Quality Study, NO2 and SO2 emissions from the Houston Ship Channel and Texas City industrial areas were quantified using mobile mini-differential optical absorption spectroscopy instruments. The measured NO2 emissions from the Houston Ship Channel and Texas City industrial areas were 2542 and 452 kg h(-1), respectively, yielding NOx emissions 70% and 43%, respectively, above the reported inventory values. Quantified SO2 emissions from the Houston Ship Channel area were 1749 kg h(-1) and were found to be 34% above the values reported in the inventory. Short-term variability of NO2 and SO2 emissions was found at the Houston Ship Channel. On 31 August 2006, a plume was detected at the HSC during three consecutive measurements, yielding a HCHO flux of 481 kg h(-1). This event has been mainly attributed to photochemical production.

Nyckelord: ABSORPTION CROSS-SECTIONS, DIFFERENTIAL OPTICAL-ABSORPTION, VOLATILE, ORGANIC-COMPOUNDS, MOBILE MINI-DOAS, OZONE FORMATION, TEMPERATURE-DEPENDENCE, TROPOSPHERIC NITROGEN, HYDROCARBON EMISSIONS, AIRBORNE MEASUREMENTS, STATISTICAL-ANALYSIS



Denna post skapades 2010-05-20. Senast ändrad 2016-10-27.
CPL Pubid: 121734

 

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Institutioner (Chalmers)

Institutionen för radio- och rymdvetenskap, Optisk fjärranalys (2005-2010)

Ämnesområden

Optisk fysik
Meteorologi och atmosfärforskning

Chalmers infrastruktur