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A Coupled Ocean Physics-Biology Modeling Study on Tropical Instability Wave-Induced Chlorophyll Impacts in the Pacific
Tian, Feng1,2; Zhang, Rong-Hua1,2,3; Wang, Xiujun4,5
2018-08-01
发表期刊JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS
ISSN2169-9275
卷号123期号:8页码:5160-5179
摘要Tropical instability waves (TIWs) play an important role in modulating the physical variability (e.g., sea surface temperature [SST] and heat flux) and biological activity (e.g., phytoplankton and chlorophyll (Chl)) in the eastern tropical Pacific. The impacts of TIW-induced Chl perturbations (Chl(TIW)) are examined using a coupled ocean physics-biology model in the tropical Pacific. TIW-scale biological and physical perturbations are extracted using a zonal high-passed filter. The TIW-induced perturbations of biological and physical fields (e.g., Chl, nitrate, iron, and SST.) exhibit their close relationships, with negative correlation between SST and Chl at TIW scale. Processes responsible for the impacts of Chl(TIW) are diagnosed. Chl(TIW) acts to modulate the incoming solar radiation that penetrates the bottom of the mixed layer (Q(pen)). In addition, two experiments are conducted with the impacts of Chl(TIW) on the ocean included or not. The results show that the Chl(TIW) effects tend to substantially increase seasonal variability of eddy kinetic energy (EKE) and slightly decrease SST in the eastern equatorial Pacific. At large scale, Chl(TIW) leads to an increase in mean Chl concentration, which induces a SST cooling and an increase in EKE in the boreal winter. At TIW scale, Chl(TIW) leads to the change in Q(pen) and a decrease in baroclinic conversion term and eventually decreases the EKE in the boreal spring and summer. So the Chl(TIW) acts to have influences both on the intensity of TIW and large-scale SST in the tropical Pacific, involving multiscale interactions and feedbacks between ocean physics and biology.
关键词tropical instability waves chlorophyll bio-feedback
DOI10.1029/2018JC013992
关键词[WOS]EASTERN EQUATORIAL PACIFIC ; SURFACE WIND STRESS ; MIXED-LAYER MODEL ; COLOR DATA ; SATELLITE-OBSERVATIONS ; ATMOSPHERE INTERACTION ; NEGATIVE FEEDBACK ; BIOOPTICAL MODEL ; EMPIRICAL-MODEL ; NUMERICAL-MODEL
语种英语
资助项目National Natural Science Foundation of China (NFSC)[41475101] ; National Natural Science Foundation of China (NFSC)[41690122(41690120)] ; National Natural Science Foundation of China (NFSC)[41490644(41490640)] ; National Natural Science Foundation of China (NFSC)[41421005] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDA19060102] ; NSFC-Shandong Joint Fund for Marine Science Research Centers[U1406402] ; Taishan Scholarship ; NASA Earth Sciences Program
WOS研究方向Oceanography
项目资助者National Natural Science Foundation of China (NFSC) ; Strategic Priority Research Program of the Chinese Academy of Sciences ; NSFC-Shandong Joint Fund for Marine Science Research Centers ; Taishan Scholarship ; NASA Earth Sciences Program
WOS类目Oceanography
WOS记录号WOS:000445188900007
出版者AMER GEOPHYSICAL UNION
引用统计
文献类型期刊论文
条目标识符http://ir.qibebt.ac.cn/handle/337004/11618
专题中国科学院青岛生物能源与过程研究所
通讯作者Zhang, Rong-Hua
作者单位1.Chinese Acad Sci, Inst Oceanol, Key Lab Ocean Circulat & Waves, Qingdao, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
3.Qingdao Natl Lab Marine Sci & Technol, Qingdao, Peoples R China
4.Beijing Normal Univ, Coll Global Change & Earth Syst Sci, Beijing, Peoples R China
5.Joint Ctr Global Change Studies, Beijing, Peoples R China
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Tian, Feng,Zhang, Rong-Hua,Wang, Xiujun. A Coupled Ocean Physics-Biology Modeling Study on Tropical Instability Wave-Induced Chlorophyll Impacts in the Pacific[J]. JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,2018,123(8):5160-5179.
APA Tian, Feng,Zhang, Rong-Hua,&Wang, Xiujun.(2018).A Coupled Ocean Physics-Biology Modeling Study on Tropical Instability Wave-Induced Chlorophyll Impacts in the Pacific.JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,123(8),5160-5179.
MLA Tian, Feng,et al."A Coupled Ocean Physics-Biology Modeling Study on Tropical Instability Wave-Induced Chlorophyll Impacts in the Pacific".JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS 123.8(2018):5160-5179.
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