SPATIAL AND TEMPORAL DISTRIBUTION PATTERN OF SUSPENDED SEDIMENT IN THE JINGHAI BAY AND ADJACENT WATERS, SHANDONG PENINSULA
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摘要: 悬浮泥沙是研究近海海底沉积作用的一个重要指标,也是研究河口附近海域泥沙通量平衡的重要依据。通过对靖海湾及其附近海域10个站位进行调查,计算了各站不同层位的悬沙浓度,分析了该海域悬浮泥沙的水平和垂直分布特征,并结合测流资料,探讨了该海域的悬沙输运特征。结果表明:时间上,靖海湾及其附近海域悬沙浓度在潮流作用下,具有明显的潮周期变化;空间上,潮周期的平均悬沙浓度呈现西南低、东北高,表层低、中层次之、底层最高的分布规律;通过对悬浮泥沙单宽输沙率的研究表明,在靖海湾西侧临近海域,泥沙运动呈现涨潮优势沙,向西侧陆域和西北侧五垒岛湾内净输沙,在长会口内部及口门附近海域,泥沙运动呈现落潮优势沙,泥沙净向海输运。Abstract: Suspended sediment concentration (SSC), as the basis for sediment flux balance, is an important parameter in marine sedimentology. Based on the survey and hydrological observations at 10 stations in the Jinghai Bay and its adjacent waters, SSC in different layers is calculated, and the SSC horizontal and vertical distribution patterns and the transportation of suspended sediment are analyzed. Data show that SSC changes with the variation of tide current and runoff, and increases from the surface to the bottom and from southwest to northeast. The mechanism of longitudinal suspended sediment transport shows that sediments move toward the land and Wuleidao Bay where flood tide dominates, but move towards the sea near the Changhuikou area where ebb tide dominants.
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[1] 崔廷伟,张杰,马毅,等.渤海悬浮物分布的遥感研究[J].海洋学报,2009,31(5):10-18. [CUI Tingwei, ZHANG Jie, MA Yi, et al. The study on the distribution of suspended particulate matter in the Bohai Sea by remote sensing[J]. Acta Oceanologica Sinica,2009,31(5):10-18.]
[2] 秦蕴珊,李凡.渤海海水中悬浮体的研究[J].海洋学报,1982,4(2):191-200. [QIN Yunshan, LI Fan. Study on the suspended matter of the sea water of the Bohai gulf[J]. Acta Oceanologica Sinica, 1982,4(2):191-200.]
[3] 江文胜,苏健,杨华,等.渤海悬浮物浓度分布和水动力特征的关系[J].海洋学报, 2002, 24(1):213-217. [JIANG Wensheng, SU Jian, YANG Hua, et al. The relationship between SPM concentration and hydrodynamic condition in the Bohai Sea[J]. Acta Oceanologica Sinica, 2002, 24(1):213-217.]
[4] 张怀静,翟世奎,范德江,等.三峡工程一期蓄水后长江口及其临近海域悬浮物浓度分布特征[J].环境科学, 2007, 28(8):1655-1661. [ZHANG Huaijing, ZHAI Shikui, FAN Dejiang, et al. Distribution of suspended matter concentration in the Changjiang estuary and adjacent area after the first-stage storage of the three gorges project[J]. Environmental Science, 2007, 28(8):1655-1661.]
[5] 冯秀丽,隋倩倩,林霖,等.威海靖海湾港区张家埠新港建设对泥沙冲淤影响预测分析[J].海洋科学, 2011,35(3):72-76. [FENG Xiuli, SUI Qianqian, LIN Lin, et al. Prediction of sediment souring and depositing driven by Zhangjiabu new port construction at Jinghai Bay at Weihai[J]. Marine Sciences, 2011, 35(3):72-76.]
[6] 贺松林,孙介民.长江河口最大浑浊带的悬沙输移特征[J].海洋与湖沼,1996,27(1):60-66. [HE Songlin, SUN Jiemin. Characteristics of suspended sediment transport in the turbidity maximum of the Changjiang river estuary[J]. Oceanologia et Limnologia Sinica, 1996,27(1):60-66.]
[7] Uncles R J, Elliott R C A, Weston S A. Observed fluxes of water, salt and suspended sediment in a partly mixed estuary[J]. Estuarine, Coastal and Shelf Science, 1985, 20:147-167.
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