东太平洋赤道海域中尺度涡的特征分析
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P732

基金项目:

国家重点研发计划(2023YFD2401300)


Characteristics of mesoscale eddy in the Eastern Equatorial Pacific Ocean
Author:
  • WU Jingyi

    WU Jingyi

    College of Oceanography and Ecological Science, Shanghai Ocean University, Shanghai 201306, China
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  • CHEN Xinjun

    CHEN Xinjun

    College of Marine Living Resource Sciences and Management, Shanghai Ocean University, Shanghai 201306, China;National Engineering Research Center for Oceanic Fisheries, Shanghai 201306, China;Key Laboratory of Sustainable Exploitation of Oceanic Fisheries Resources, Ministry of Education, Shanghai 201306, China;Key Laboratory of Oceanic Fisheries Exploration, Ministry of Agriculture and Rural Affairs, Shanghai 201306, China;Scientific Observing and Experimental Station of Oceanic Fishery Resources, Ministry of Agriculture and Rural Affairs, Shanghai 201306, China
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  • FANG Xingnan

    FANG Xingnan

    College of Marine Living Resource Sciences and Management, Shanghai Ocean University, Shanghai 201306, China
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  • 摘要
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    摘要:

    东太平洋赤道海域是我国重要的作业渔场,中尺度涡与渔场的分布有着密切的联系。本研究基于流场几何的涡旋判别方法,利用2012—2018年气象卫星遥感数据对东太平洋赤道海域(85°W~125°W,5°S~5°N)的中尺度涡进行识别,筛选出生命周期大于一周的涡旋,分析了该海域中尺度涡旋的空间分布、半径范围、生命周期和迁移路径及速度等基本特征,并讨论其与该区域内重要经济头足类渔场分布的关联。结果显示,东太平洋赤道海域反气旋涡的数量要多于气旋涡;涡旋的生命周期较短,绝大多数不超过一周;涡旋的半径主要集中在250~310 km,迁移速度主要为6~18 cm/s,迁移距离为25~50 km;在靠近南北纬5°的海域表现出两条涡旋活动较为频繁的“热点区域”,而在纬度为零的海域几乎没有涡旋存在。同时,涡旋的生命周期和半径表现出明显的年间变化。本研究为东太平洋赤道海域头足类渔场形成、分布和渔情预报等研究提供了支撑。

    Abstract:

    The Eastern Pacific Equatorial region is an important fishing ground for China, and there is a close relationship between mesoscale eddies and the distribution of fishing grounds. In this study, a vector geometry method based on flow field was used to identify mesoscale eddies in the Eastern Pacific Equatorial region (85°W-125°W, 5°S-5°N) using 2012-2018 meteorological satellite remote sensing data and filtering out vortices with a lifespan longer than one week. The spatial distribution, radius range, lifecycle, migration path, and velocity of mesoscale eddies in this region were analyzed. The relationship between the eddy and the fishing ground distribution was also discussed. The results showed that the number of anticyclonic eddies in the Eastern Pacific Equatorial region was greater than that of cyclonic eddies. The eddy lifecycle was relatively short, with the majority lasting no more than one week. The eddy radius was mainly concentrated in the range of 250-310 km, and the migration velocity was mainly concentrated at 6-18 m/s, with a migration distance of 25-50 km. There were two regions, called as "tropical regions," near the 5°N and 5°S, which exhibited more frequent eddy activity, while near the equator, there were almost no eddies present. Additionally, some characteristics of the eddies (period and radius) showed obvious interannual variations. These findings provide a basis for analysis of fishing ground formation, temporal and spatial distribution, and the development of fishing forecasts in the Eastern Pacific Equatorial region.

    参考文献
    [1] LIN H Y, HU J Y, ZHENG Q A. Satellite altimeter data analysis of the South China Sea and the northwest Pacific Ocean:statistical features of oceanic mesoscale eddies[J]. Journal of Applied Oceanography, 2012, 31(1):10-113. 林宏阳, 胡建宇, 郑全安. 南海及西北太平洋卫星高度计资料分析:海洋中尺度涡统计特征[J]. 台湾海峡, 2012, 31(1):105-113.
    [2] XIU S M, ZHENG Q A, SUN X P. Shelf upwelling induced by mesoscale eddy[J]. Journal of Hydrodynamics, 2002, 17(1):61-68. 修树孟,郑全安, 孙湘平. 中尺度涡诱导的陆架上升流[J]. 水动力学研究与进展, 2002, 17(1):61-68.
    [3] LI M, XIE L L, YANG Q X, et al. Impact of eddies on ocean diapycnal mixing in gulf stream region[J]. Science China Earth Sciences, 2014, 57(6):1407-1414. 李敏, 谢玲玲, 杨庆轩, 等. 湾流区涡旋对海洋垂向混合的影响[J]. 中国科学:地球科学, 2014, 44(4):744-752.
    [4] LIU J. Variations of cross-shelf volume transports and mesoscale eddy effects on Chlorophyll in the northern South China Sea[D]. Hangzhou:Zhejiang University, 2019. 刘金. 南海北部跨陆架输运的变化及中尺度涡对叶绿素的影响[D]. 杭州:浙江大学, 2019.
    [5] FARNETI R, DELWORTH T L, ROSATI A J, et al. The role of mesoscale eddies in the rectification of the Southern Ocean response to climate change[J]. Journal of Physical Oceanography, 2010, 40(7):1539-1557.
    [6] JIAN Y J, ZHANG J, LIU Q S, et al. Effect of mesoscale eddies on underwater sound propagation[J]. Applied Acoustics, 2009, 70(3):432-440.
    [7] FANG X N, YU W, CHEN X J, et al. Response of abundance and distribution of Humboldt Squid (Dosidicus gigas) to short-livededdies in the Eastern equatorial Pacific Ocean from April to June 2017[J]. Frontiers in Marine Science,2021, 8:721291.
    [8] CHEN X J, LI J H, YI Q, et al. Preliminary study on fisheries biology of Dosidicus gigas in the waters near the equator of Eastern Pacific Ocean[J]. Oceanologia et Limnologia Sinica, 2012, 43(6):1233-1238. 陈新军, 李建华, 易倩, 等. 东太平洋赤道附近海域茎柔鱼(Dosidicus gigas)渔业生物学的初步研究[J]. 海洋与湖沼, 2012, 43(6):1233-1238.
    [9] KENNAN S C,FLAMENT P J. Observations of a tropical instability vortex[J]. Journal of Physical Oceanography,2000, 30(9):2277-2301.
    [10] DAVIS R W, ORTEGA-ORTIZ J G, RIBIC C A, et al.Cetacean habitat in the Northern Oceanic Gulf of Mexico[J]. Deep Sea Research Part I:Oceanographic. Research Papers, 2002,49(1):121-142.
    [11] WEISS J. The dynamics of enstrophytransfer in two-dimensional hydrodynamics[J]. Physica D:Nonlinear Phenomena, 1991, 48(2/3):273-294.
    [12] OKUBO A. Horizontal dispersion of floatable particles in the vicinity of velocity singularities such as convergences[J]. Deep Sea Research and Oceanographic Abstracts, 1970, 17(3):445-454.
    [13] SADARJOEN I A, POST F H. Detection, quantification, and tracking of vortices using streamline geometry[J]. Computers & Graphics, 2000, 24(3):333-341.
    [14] DOGLIOLI A, BLANKE B, SPEICH S, et al. Tracking coherent structures in a regional ocean model with wavelet analysis:application to Cape Basin eddies[J]. Journal of Geophysical Research:Oceans, 2007, 112(C5):C05043.
    [15] NENCIOLI F, DONG C M, DICKEY T, et al. A vector geometry-based eddy detection algorithm and its application to a high-resolution numerical model product and high-frequency radar surface velocities in the southern California bight[J]. Journal of Atmospheric and Oceanic Technology, 2010, 27(3):564-579.
    [16] XUG J, CHENG C, YANG W X, et al. Oceanic eddy identification using an AI scheme[J]. Remote Sensing, 2019, 11(11):1349.
    [17] ZHANG C L, XIA Y J, GAO G P. Characteristics of mesoscale eddies in the Nordic Seas[J]. Advances in Marine Science, 2016, 34(2):207-215. 张春玲, 夏燕军, 高郭平. 北欧海中尺度涡旋特征分析[J]. 海洋科学进展, 2016, 34(2):207-215.
    [18] LIU Y, DONG C M, GUAN Y P, et al. Eddy analysis in the subtropical zonal band of the North Pacific Ocean[J].Deep Sea Research Part I:Oceanographic Research Papers, 2012,68:54-67.
    [19] XU G J, DONG C M, LIU Y, et al. Chlorophyll rings around ocean eddies in the North Pacific[J].Scientific Reports,2019,9(1):2056.
    [20] LIN X Y, DONG C M, CHEN D K, et al. Three-dimensional properties of mesoscale eddies in the South China Sea based on eddy-resolving model output[J].Deep Sea Research Part I:Oceanographic Research Papers,2015,99:46-64.
    [21] DONG C M, MAVOR T, NENCIOLI F, et al.An oceanic cyclonic eddy on the lee side of Lanai Island, Hawai'i[J].Journal of Geophysical Research:Oceans, 2009, 114(C10):C10008.
    [22] DONG C M, LIN X Y, LIU Y, et al. Three-dimensional oceanic eddy analysis in the Southern California Bight from a numerical product[J].Journal of Geophysical Research:Oceans, 2012, 117(C7):C00H14.
    [23] BAI Z P, HAN J, GUO X P, et al. Spatial and temporal distribution characteristics of mesoscale eddies in the South China Sea based on the CORA2 reanalysis data[J]. Marine Forecasts, 2020, 37(2):73-83. 白志鹏, 韩君, 郭贤鹏, 等. 基于CORA2再分析数据的南海中尺度涡时空分布特征初步研究[J]. 海洋预报, 2020, 37(2):73-83.
    [24] LUO N, SONG J, GUO J R, et al. Statistical characteristics of different lifetime mesoscale eddies in the Northwest Pacific Ocean by reanalyzed data[J]. Journal of Applied Oceanography, 2023, 42(2):277-291. 罗娜, 宋军, 郭俊如, 等. 西北太平洋不同寿命中尺度涡统计特征[J]. 应用海洋学学报, 2023, 42(2):277-291.
    [25] LONG S. Effects of mesoscale eddy on chlorophyll-a concentration in the indo-Pacific warm pool[D]. Beijing:Aerospace Information Research Institute Chinese Academy of Sciences, 2021. 龙霜. 印太暖池区中尺度涡对叶绿素a浓度的影响研究[D]. 北京:中国科学院大学(中国科学院空天信息创新研究院), 2021.
    [26] YANG S M. Dynamics of typical mesoscaleeddiesinthe Northern South China Sea and its adjacent region[D]. Beijing:Tsinghua University, 2019. 杨盛牧. 南海北部及其周边海域典型中尺度涡动力过程研究[D]. 北京:清华大学, 2019.
    [27] XU M, CHEN G, PENG L. Temporal and spatial properties of short-life oceanic eddies[J]. Acta Oceanologica Sinica, 2019, 41(9):94-104. 徐茗,陈戈, 彭琳. 短生命周期海洋涡旋的时空分布特征[J]. 海洋学报, 2019, 41(9):94-104.
    [28] YANG L, XIU Y R, ZHANG L, et al. Temporal and spatial characteristics of mesoscale eddies in the sea area near the Gulf of Aden[J]. Hydrographic Surveying and Charting, 2023, 43(2):46-49. 杨亮, 修义瑞, 张雷, 等. 亚丁湾附近海域海洋中尺度涡的时空特征分析[J]. 海洋测绘, 2023, 43(2):46-49.
    [29] ZU Y C, FANG Y, GAO X Q, et al.Seasonal and interannualvariation of mesoscale eddies in the North Pacific Ocean:a statistical analysis[J]. Advances in Marine Science, 2016, 34(2):197-206. 祖永灿, 方越, 高晓倩, 等. 北太平洋中尺度涡季节和年际变化的统计分析[J]. 海洋科学进展, 2016, 34(2):197-206.
    [30] CHELTON D B, XIE S P. Coupled ocean-atmosphere interaction at oceanic mesoscales[J]. Oceanography, 2010, 23(4):52-69.
    [31] FU G Q. Interannual variation of eddy kinetic energy in the central Pacific sector of the Southern Ocean and its dynamic mechanism[D]. Nanjing:Nanjing University of Information Science and Technology, 2023 付冠琦. 南大洋中太平洋扇区涡动能年际变化特征及其动力机制[D]. 南京:南京信息工程大学, 2023.
    [32] ZHENG C C. Analyses of mesoscale eddies in North Pacific[D]. Qingdao:Institute of Oceanology, Chinese Academy of Sciences, 2013. 郑聪聪. 北太平洋中尺度涡现象分析[D]. 青岛:中国科学院研究生院(海洋研究所), 2013.
    [33] JIN P C, ZHANG Y, DU Y L, et al. Eddy impacts on abundance and habitat distribution of a large predatory squid off Peru[J].Marine Environmental Research, 2024, 195:106368.
    [34] ZHANG Y C, YU W, CHEN X J, et al. Evaluating the impacts of mesoscale eddies on abundance and distribution of neon flying squid in the Northwest Pacific Ocean[J]. Frontiers in Marine Science,2022, 9:862273.
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吴静怡,陈新军,方星楠.东太平洋赤道海域中尺度涡的特征分析[J].上海海洋大学学报,2024,33(3):776-785.
WU Jingyi, CHEN Xinjun, FANG Xingnan. Characteristics of mesoscale eddy in the Eastern Equatorial Pacific Ocean[J]. Journal of Shanghai Ocean University,2024,33(3):776-785.

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  • 收稿日期:2024-01-12
  • 最后修改日期:2024-03-02
  • 在线发布日期: 2024-05-25
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