Tropical Cyclone-Induced Ecological Responses and Their Feedback on Physical Fields: A Case Study for Hurricane Fernanda (2017)

doi:10.1029/2024JC021150

IOCAS-IR > 海洋环流与波动重点实验室

	Tropical Cyclone-Induced Ecological Responses and Their Feedback on Physical Fields: A Case Study for Hurricane Fernanda (2017)
	Ye, Shuoni 1,2; Zhang, Rong-Hua2,3,4 ; Wang, Hongna 1,4; Tian, Feng 1,4; Shi, Qidong 1,2
	2024-09-01
发表期刊	JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS
ISSN	2169-9275
卷号	129 期号:9 页码:24
通讯作者	Zhang, Rong-Hua([email protected])
摘要	Tropical cyclones (TCs) are known to trigger chlorophyll bloom and boost local primary productivity. The characteristics of ocean ecological responses to TCs and their feedback on physical fields in the northeastern Pacific are investigated using a coupled ocean general circulation model-ocean ecosystem model. A case study is carried out on Hurricane Fernanda (2017), which formed in the northeastern tropical Pacific. TC-induced mixing and upwelling act to transport subsurface cold and nutrient-rich waters into the mixed layer, leading to surface cooling and chlorophyll (CHL) bloom. The phytoplankton budget analyses indicate that the CHL bloom is dominated by small phytoplankton (PS) growth term, which is modulated by biological consumption terms (i.e., small zooplankton grazing and PS mortality) and physical processes-related terms (i.e., advection and vertical mixing); biological consumption terms and physical processes tend to mainly offset the contributions from the PS growth term. Furthermore, CHL is found to exert feedback on physical fields. The CHL bloom mainly contributes to a decrease in surface temperature, thereby enhancing the temperature structure induced physically by TCs. This biofeedback on physical fields involves two mechanisms: a direct heating (OBH) due to ocean biology-induced effect, and an indirect cooling effect due to dynamic processes associated with vertical mixing and advection. In particular, the CHL bloom-induced sea surface temperature cooling is dominated by vertical mixing and modulated by the OBH effect and advection. These findings offer novel perspectives on TC-induced ecological responses, as well as the related mechanisms for biofeedback on physical fields. Tropical cyclones (TCs) are powerful and potentially destructive weather systems. They are characterized by strong winds, heavy precipitation, and active heat exchange at the air-sea interface. The combined effects due to these atmospheric forcings can induce strong physical and ecological responses in the upper ocean, whose complicated interplays are still not well understood. A case study is carried out on Hurricane Fernanda (2017), which formed in the northeastern tropical Pacific. When the Fernanda passed by, distinct surface cooling and chlorophyll (CHL) bloom emerged, which are attributed to TC-induced physical and ecological processes and their interactions. For example, TC-induced increasing nutrient supply in the euphotic layer is conducive to small phytoplankton growth (i.e., the CHL bloom). Furthermore, CHL is found to exert feedback on physical fields. For example, the CHL bloom induces heat redistribution, vertical mixing, and currents, mainly contributing to surface cooling and thereby enhancing the temperature structure induced by TCs. These findings offer novel perspectives on TC-induced physical and ecological responses, as well as related biofeedback on the physical fields. Tropical cyclone (TC) triggers chlorophyll (CHL) bloom, which is attributed to the increased nutrient supply in the euphotic layer The CHL bloom is dominated by small phytoplankton growth term, which is modulated by physical and biological consumption terms The CHL-related effects cause differences in physics (heat redistribution, mixing, and currents), mainly contributing to surface cooling
关键词	tropical cycles ocean ecological response budget analysis for CHL bloom biofeedback on physical fields
DOI	10.1029/2024JC021150
收录类别	SCI
语种	英语
资助项目	Laoshan Laboratory[LSKJ202202404]; National Natural Science Foundation of China[42030410]; Startup Foundation for Introducing Talent of NUIST[202346]; Academy of Finland (AKA)[202346]
WOS研究方向	Oceanography
WOS类目	Oceanography
WOS记录号	WOS:001311986500001
出版者	AMER GEOPHYSICAL UNION
WOS关键词	UPPER-OCEAN RESPONSE ; HYBRID COUPLED MODEL ; EQUATORIAL PACIFIC ; PRECIPITATION ; VARIABILITY ; SIMULATION ; CLIMATE ; LAYER ; IRON ; RADIATION
引用统计
文献类型	期刊论文
条目标识符	http://ir.qdio.ac.cn/handle/337002/198695
专题	海洋环流与波动重点实验室
通讯作者	Zhang, Rong-Hua
作者单位	1.Chinese Acad Sci, Inst Oceanol, Key Lab Ocean Observat & Forecasting, Key Lab Ocean Circulat & Waves, Qingdao, Peoples R China 2.Univ Chinese Acad Sci, Beijing, Peoples R China 3.Nanjing Univ Informat Sci & Technol, Sch Marine Sci, Nanjing, Peoples R China 4.Laoshan Lab, Qingdao, Peoples R China
推荐引用方式 GB/T 7714	Ye, Shuoni,Zhang, Rong-Hua,Wang, Hongna,et al. Tropical Cyclone-Induced Ecological Responses and Their Feedback on Physical Fields: A Case Study for Hurricane Fernanda (2017)[J]. JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,2024,129(9):24.
APA	Ye, Shuoni,Zhang, Rong-Hua,Wang, Hongna,Tian, Feng,&Shi, Qidong.(2024).Tropical Cyclone-Induced Ecological Responses and Their Feedback on Physical Fields: A Case Study for Hurricane Fernanda (2017).JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,129(9),24.
MLA	Ye, Shuoni,et al."Tropical Cyclone-Induced Ecological Responses and Their Feedback on Physical Fields: A Case Study for Hurricane Fernanda (2017)".JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS 129.9(2024):24.