Arid
DOI10.1371/journal.pone.0057656
Variability in the Correlation between Asian Dust Storms and Chlorophyll a Concentration from the North to Equatorial Pacific
Tan, Sai-Chun1; Yao, Xiaohong2; Gao, Hui-Wang2; Shi, Guang-Yu1; Yue, Xu3
通讯作者Tan, Sai-Chun
来源期刊PLOS ONE
ISSN1932-6203
出版年2013
卷号8期号:2
英文摘要

A long-term record of Asian dust storms showed seven high-occurrence-frequency centers in China. The intrusion of Asian dust into the downwind seas, including the China seas, the Sea of Japan, the subarctic North Pacific, the North Pacific subtropical gyre, and the western and eastern Equatorial Pacific, has been shown to add nutrients to ocean ecosystems and enhance their biological activities. To explore the relationship between the transported dust from various sources to the six seas and oceanic biological activities with different nutrient conditions, the correlation between monthly chlorophyll a concentration in each sea and monthly dust storm occurrence frequencies reaching the sea during 1997-2007 was examined in this study. No correlations were observed between dust and chlorophyll a concentration in the <50 m China seas because atmospheric deposition is commonly believed to exert less impact on coastal seas. Significant correlations existed between dust sources and many sea areas, suggesting a link between dust and chlorophyll a concentration in those seas. However, the correlation coefficients were highly variable. In general, the correlation coefficients (0.54-0.63) for the Sea of Japan were highest, except for that between the subarctic Pacific and the Taklimakan Desert, where it was as high as 0.7. For the >50 m China seas and the North Pacific subtropical gyre, the correlation coefficients were in the range 0.32-0.57. The correlation coefficients for the western and eastern Equatorial Pacific were relatively low (<0.36). These correlation coefficients were further interpreted in terms of the geographical distributions of dust sources, the transport pathways, the dust deposition, the nutrient conditions of oceans, and the probability of dust storms reaching the seas.


类型Article
语种英语
国家Peoples R China ; USA
收录类别SCI-E
WOS记录号WOS:000315519000147
WOS关键词EXPORT PRODUCTION ; DISSOLVED IRON ; CLIMATE-CHANGE ; CHINA SEA ; OCEAN ; TRANSPORT ; AEROSOLS ; IMPACT
WOS类目Multidisciplinary Sciences
WOS研究方向Science & Technology - Other Topics
来源机构中国科学院大气物理研究所
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/179347
作者单位1.Chinese Acad Sci, Inst Atmospher Phys, State Key Lab Numer Modeling Atmospher Sci & Geop, Beijing, Peoples R China;
2.Ocean Univ China, Minist Educ China, Key Lab Marine Environm & Ecol, Qingdao, Peoples R China;
3.Harvard Univ, Sch Engn & Appl Sci, Cambridge, MA 02138 USA
推荐引用方式
GB/T 7714
Tan, Sai-Chun,Yao, Xiaohong,Gao, Hui-Wang,et al. Variability in the Correlation between Asian Dust Storms and Chlorophyll a Concentration from the North to Equatorial Pacific[J]. 中国科学院大气物理研究所,2013,8(2).
APA Tan, Sai-Chun,Yao, Xiaohong,Gao, Hui-Wang,Shi, Guang-Yu,&Yue, Xu.(2013).Variability in the Correlation between Asian Dust Storms and Chlorophyll a Concentration from the North to Equatorial Pacific.PLOS ONE,8(2).
MLA Tan, Sai-Chun,et al."Variability in the Correlation between Asian Dust Storms and Chlorophyll a Concentration from the North to Equatorial Pacific".PLOS ONE 8.2(2013).
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