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夏季珠江口溶解氧垂向输运数值模拟研究

, PP. 34-46

Keywords: 珠江口,三维水质模型,对流通量,扩散通量,溶解氧垂向输运

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Abstract:

通过建立一个珠江口三维水质模型,对夏季珠江口溶解氧垂向输运进行研究。结果表明:潮汐、风及上升流间歇性破坏层化,令溶解氧垂向对流及扩散通量的方向和大小随潮汐发生周期性变化。在西四口门海域,由于水体层化稳定,垂向上对流及扩散作用产生的溶解氧输运通量都较小,且相互平衡;在伶仃洋内的深槽,径流与潮汐的相互作用强烈,层化被间歇性地打破,溶解氧的垂向对流通量大于扩散通量,导致底层溶解氧浓度产生波动;在伶仃洋内的西部浅滩上,层化相对稳定,溶解氧的垂向扩散通量大于对流通量。这表明在珠江口不同区域,垂向的对流扩散作用对溶解氧垂向输运起不同作用,从而影响表底层溶解氧的浓度。

References

[1]  全国海岸带办公室. 中国海岸带和海涂资源综合调查专业报告集——海水化学调查报告 . 北京: 海洋出版社,1990.
[2]  林洪瑛, 刘胜, 韩舞鹰. 珠江口底层海水季节性缺氧现象及其引发的CTB潜在威胁[J]. 湛江海洋大学学报, 2001, 21:25—29.
[3]  林卫强, 李适宇. 夏季伶仃洋COD、DO的垂向分布及其影响因素[J]. 中山大学学报(自然科学版), 2002, 41(4):82—86.
[4]  罗琳, 李适宇, 厉红梅. 夏季珠江口水域溶解氧的特征及影响因素[J]. 中山大学学报(自然科学版), 2005,44(6):118-122.
[5]  GUAN Weibing, WONG LaiAh, XU Dongfeng. Modeling nitrogen and phosphorus cycles and dissolved oxygen in the Zhujiang River Estuary, Part Ⅰ. Model development[J]. Acta Oceanologica Sinica, 2001, 20(4):493—504.
[6]  GUAN Weibing, WONG LaiAh, XU Dongfeng. Modeling nitrogen and phosphorus cycles and dissolved oxygen in the Zhujiang River Estuary, Part Ⅱ. Model results[J]. Acta Oceanologica Sinica, 2001, 20(4):504—514.
[7]  JAMES J F. USER\'S GUIDE FOR RCA (Release 3.0)[M] HydroQual Inc, New Jersey, 2004.
[8]  AMBROSE J R B, WOOL T A, MARTIN J L. The water quality analysis simulation program, WASP5, Part A: Model documentation .U. S. Environmental Protection Agency, Athens, Georgia, 1993.
[9]  BLUMBERGA F. A Primer for ECOMSED Version 1.3 Users Manual [M].HydroQual Inc, New Jersey,2002.
[10]  欧素英. 珠江口冲淡水扩展变化及动力机制研究 . 广州: 中国科学院南海海洋研究所, 2005.
[11]  侯卫东, 陈晓宏,江涛, 等. 西北江三角洲网河径流分配的时间变化分析[J]. 中山大学学报(自然科学版), 2004, 43(增刊): 204—207.
[12]  WONG LaiAh, CHEN Jaychung, XUE H, et al. A model study of the circulation in the Pearl River Estuary (PRE) and its adjacent coastal waters: 1. Simulations and comparison with observations[J]. Journal of Geophysical Research, 2003, doi: 10.1029/2002JC001451, 2003.
[13]  JIA Guodong, PENG Pingan. Temporal and spatial variations in signatures of sedimented organic matter in Lingding Bay (Pearl Estuary), Southern China[J]. Marine Chemistry, 2003, 82:47—54.
[14]  岳维忠, 黄小平, 孙翠慈. 珠江口表层沉积物中氮、磷的形态分布特征及污染评价[J]. 海洋与湖沼, 2007, 38(2):111—117.
[15]  潘建明, 周怀阳, 扈传昱, 等. 夏季珠江口沉积物中营养盐剖面分布和界面交换通量[J]. 海洋学报, 2005, 24(3):52—59.
[16]  SHEN J, WANG H V. Determining the age of water and longterm transport timescale of the Chesapeake Bay[J]. Estuarine Coastal and Shelf Science, 2007, 74: 585—598.
[17]  CHAU Y K, WONG C S. Oceanographic investigations in the northern region of the South China Sea off Hong Kong[J]. Hong Kong University Fisheries Journal, 1960, 3:1—25.
[18]  赵焕庭. 珠江河口演变[M]. 北京: 海洋出版社, 1990.
[19]  彭云辉, 朱俊怀, 彭玉燕. 珠江河口水体中DO和COD的调查[J]. 南海研究与开发, 1992, 3:14—19.
[20]  YIN Kedong, LIN Zhifeng, KE Zhiyuan. Temporal and spatial distribution of dissolved oxygen in the Pearl River Estuary and adjacent coastal waters[J]. Continental Shelf Research, 2004, 24:1935—1948.
[21]  林卫强. 三维水环境数学模型的开发及其在珠江口的应用 . 广州: 中山大学, 2003.
[22]  罗琳. 夏季珠江河口底层水体缺氧现象的模拟研究 . 广州: 中山大学,2005.
[23]  DI TORO D M. Sediment Flux Modelling[M]. New York: John Wiley & Sons, 2001.
[24]  DI TORO D M. Optics of turbid Estuarine waters: Approximations and applications[J]. Water Research, 1978, 12:1059—1068.
[25]  GILS J V, HEERINGEN K J V, SCHWANENBERG D, et al. Pearl River Delta Water Quality Model: Final Study Report . Delft Hydraulics, 2007.
[26]  刘景钦. 珠江口八大口门营养盐的分布及入海通量的研究 . 青岛: 中国海洋大学, 2006.
[27]  陈金斯, 李飞永, 洪华生. 珠江口海区悬浮颗粒物质研究:Ⅱ. 有机碳和氮的来源、分布和转移[J]. 热带海洋学报. 1988, 7(3):90—98.
[28]  HU Jianfang, PENG Pingan, JIA Guodong, et al. Distribution and sources of organic carbon, nitrogen and their isotopes in sediments of the subtropical Pearl River estuary and adjacent shelf, Southern China[J]. Marine Chemistry, 2006, 98:274—285.
[29]  张德荣, 陈繁荣, 杨永强, 等. 夏季珠江口外近海沉积物/水界面营养盐的交换通量[J]. 热带海洋学报, 2005, 24(6):53—60.
[30]  CHEN Jaychung, HEINKE G W, ZHOU Mingjiang. The Pearl River Estuary Pollution Project[J]. Continental Shelf Research, 2004, 24:1739—1744.
[31]  DIMARCO S F, REID R O. Characterization of the principal tidal current constituents on the TexasLouisiana shelf[J]. Journal of Geophysical Research, 1998, 103(C2):3093—3109.

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