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Measuring biogenic volatile organic compounds in the marine boundary layer over the North Pacific Ocean using proton transfer reaction mass spectrometry (PTR-MS) and solid absorbent cartridges

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Title
Measuring biogenic volatile organic compounds in the marine boundary layer over the North Pacific Ocean using proton transfer reaction mass spectrometry (PTR-MS) and solid absorbent cartridges
Other Titles
Measuring biogenic volatile organic compounds in the marine boundary layer over the North Pacific Ocean using proton transfer reaction mass spectrometry (PTR-MS) and solid absorbent cartridges
Authors
Rhee, Tae Siek
Kim, Saewung
Guenther, Alex
Seok, Brian
Keywords
North pacific ocean; PTR-MS; VOCs; solid absorbent cartridge
Issue Date
2012
Citation
Rhee, Tae Siek, et al. 2012. Measuring biogenic volatile organic compounds in the marine boundary layer over the North Pacific Ocean using proton transfer reaction mass spectrometry (PTR-MS) and solid absorbent cartridges. AGU. AGU. 2012.11.27~.
Abstract
Approximately 70% of Earth’s surface is covered by the ocean and the cryosphere. It has been recognized that these environments play an important role in exerting feedbacks on the global climate system. For instance, in the marine boundary layer, it is hypothesized that the emission of biogenic volatile organic compounds (BVOCs) contributes to cloud formation with resulting changes in temperature and radiation initiating climate feedback. However, measurements of BVOC concentrations are limited, thus the concentration and emission of BVOCs are typically estimated using satellite observed phytoplankton abundance (i.e., chlorophyll-a concentration). To help validate the modeled relationship between chlorophyll-a concentration and isoprene emission that current chemistry models are using, BVOCs were measured during the 2012 SHIPPO (SHIp Pole-to-POle) cruise over the Yellow Sea, the East Sea (or the Sea of Japan), the North Pacific Ocean, and the Bering Sea from 13 July to 29 July. BVOCs were measured using two different methods: proton transfer reaction mass spectrometry and solid absorbent cartridges. The results from these two different measurement techniques will be presented and discussed. In addition, observed BVOC concentrations will be discussed in relation to the phytoplankton abundance and other biological and meteorological parameters measured along the cruise track.dary layer, it is hypothesized that the emission of biogenic volatile organic compounds (BVOCs) contributes to cloud formation with resulting changes in temperature and radiation initiating climate feedback. However, measurements of BVOC concentrations are limited, thus the concentration and emission of BVOCs are typically estimated using satellite observed phytoplankton abundance (i.e., chlorophyll-a concentration). To help validate the modeled relationship between chlorophyll-a concentration and isoprene emission that current chemistry models are using, B
URI
http://repository.kopri.re.kr/handle/201206/8373
Conference Name
AGU
Conference Place
AGU
Conference Date
2012.11.27~
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