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Spatial and temporal variabilities of spring Asian dust events and their impacts on chlorophyll-a concentrations in the western North Pacific Ocean

Cited 1 time in scopus
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Title
Spatial and temporal variabilities of spring Asian dust events and their impacts on chlorophyll-a concentrations in the western North Pacific Ocean
Other Titles
북서태평양에서의 봄철 황사의 공간적, 시간적 변동성과 황사가 클로로필 a 농도에 미치는 영향
Authors
Yoon, Joo-Eun
Kim, Il-Nam
Song, Jae-Min
Choi, Tae-Jun
Lee, Jiyoung
Kim, Ju-Hyoung
Lim, Jae-Hyun
Jung, Jinyoung
Yang, Eun Jin
Yoon, Ho Il
Yoo, Kyu-Cheul
Kim, Hyun-cheol
Park, Ki-Tae
Alison M. Macdonald
Kim, Kitae
Issue Date
2017
Citation
Yoon, Joo-Eun, et al. 2017. "Spatial and temporal variabilities of spring Asian dust events and their impacts on chlorophyll-a concentrations in the western North Pacific Ocean". GEOPHYSICAL RESEARCH LETTERS, 44(3): 1474-1482.
Abstract
As the western North Pacific Ocean is located downwind of the source regions for spring Asian dust, it is an ideal location for determining the response of open waters to these events. Spatial analysis of spring Asian dust events from source regions to the western North Pacific, using long-term daily aerosol index data, revealed three different transport pathways supported by the westerly wind system: one passing across the northern East/Japan Sea (40°N?50°N), a second moving over the entire East/Japan Sea (35°N?55°N), and a third flowing predominantly over the Siberian continent (>50°N). Our results indicate that strong spring Asian dust events can increase ocean primary productivity by more than 70% (>2-fold increase in chlorophyll-a concentrations) compared to weak/nondust conditions. Therefore, attention should be paid to the recent downturn in the number of spring Asian dust events and to the response of primary production in the western North Pacific to this change.
URI
http://repository.kopri.re.kr/handle/201206/7518
DOI
http://dx.doi.org/10.1002/2016GL072124
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