2007
DOI: 10.1029/2007jd008607
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Regional climatology of particulate carbonaceous substances in the northern area of the east Asian Pacific rim

Abstract: A year‐round observation of atmospheric aerosols and their associated species was conducted from March 2001 to May 2002 on Rishiri Island in the northern area of the east Asian Pacific rim region. Asian outflows brought continental air masses to this area during the period from the autumn to the spring although marine air masses from the high‐latitudinal ocean often broke into this area during the midwinter. In contrast, marine air masses were predominant over this area in the summer. Particulate elemental car… Show more

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Cited by 13 publications
(7 citation statements)
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“…Under prevailing westerly polluted winds, significant amount of anthropogenic NO x can be transported from East Asia over the western North Pacific, which could enhance the MSA concentrations relative to the less polluted pristine air masses. Similar results are reported elsewhere (Yin et al, 1990;Jensen et al, 1991;Mihalopoulos et al, 1992;Gao et al, 1996). Furthermore, temperature is also an important factor to control the MSA − concentrations through the mech- anism of DMS oxidation by hydroxyl radicals .…”
Section: Which Biological Source Is More Important As a Contributor Tsupporting
confidence: 87%
“…Under prevailing westerly polluted winds, significant amount of anthropogenic NO x can be transported from East Asia over the western North Pacific, which could enhance the MSA concentrations relative to the less polluted pristine air masses. Similar results are reported elsewhere (Yin et al, 1990;Jensen et al, 1991;Mihalopoulos et al, 1992;Gao et al, 1996). Furthermore, temperature is also an important factor to control the MSA − concentrations through the mech- anism of DMS oxidation by hydroxyl radicals .…”
Section: Which Biological Source Is More Important As a Contributor Tsupporting
confidence: 87%
“…We were able to apply the new aerosol-coupled model as a global-to-regional seamless aerosol-transport model ranging from low to high horizontal resolution. Goto, D., Dai, T., Satoh, M., Tomita, T., Uchida, J., Misawa, S., Inoue, T., Tsuruta, H., Ueda, K., Ng, C.F.S., Takami, A., Sugimoto, N., Shimizu, A., Ohara, T., Nakajima, T., 2014 Kondo et al, 2006, andMinoura et al, 2006;Rishiri/Japan in 2001 by Matsumoto et al, 2007;Incheon/Korea in 2004by Kim et al, 2006Seoul/Korea in 2003by Kim et al, 2007Tomsk/Russia in 1997by Kozlov et al, 2008Phimai/Thailand in 2007-2008. In the measurement, BC was obtained as an elemental carbon by analyzing measured quartz fiber filters, except for the sites at Delhi/India, Chandigarh/India, and Karachi/Pakistan, where BC was obtained with an Aethalometer.…”
Section: Discussionmentioning
confidence: 99%
“…These studies have been undertaken in order to assess the impact of Asian outflows on local air quality. However, most of these studies had focused on in the characterization of gas pollutants, carbonaceous substances and trace element compositions only for a limited time (Mori et al 2003;Oshima et al 2004;Matsumoto et al 2007). Until now, what has seldom been collected and analyzed is long-term monitoring data about the water-soluble inorganic ions in this coastal region of Japan, thus it was our aim to collect airborne particulates over an extended period of time-from 2001 to 2003 at Monzenmachi on the Japan Sea coast-allowing us then to observe over time the concentration and characteristics of the major components in PM 10 .…”
Section: Introductionmentioning
confidence: 99%