潮间带沉积物粒度空间分异及其与TC、TN的空间相关性分析
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摘要
以辽河口潮间带典型区域作为研究对象,借助现场调查、实验分析、地统计分析和数理统计分析方法,分析了沉积物粒度组成、特征与沉积物营养元素的空间分异之间的相关关系,结果表明:沉积物粒度组成、特征参数在空间分布上呈现由陆向海的梯度变化趋势;沉积物TC和TN在空间分布上与沉积物粒度组成及分选特征具有较强的相关性;发现沉积物粒度参数能够对营养元素进行有效的指示,黏土物质对TC指示作用要强于TN,而分选系数对TN的指示作用要强于TC。本文研究证实了沉积物对环境要素的指示作用,同时也验证了在区域小尺度沉积物对营养元素空间分布的影响。
The field investigation,laboratory analysis,statistical analysis and statistical analysis method were used to analyze the sediment grain size composition,spatial characteristics,and the correlations between sediment grain size and nutrients factorsin Liaohe Estuary. The results showed that: the sediment grain size composition,characteristic parameters presented the gradient trends in spatial distribution from ocean to land; The more strong correlation was found between TC、TN and the composition and sorting features of sediment grain size in the spatial distribution,and the effective instruction of sediment grain size parameters for TC、TN could been found,the effect of clay material on the TC was better than TN,and the indicating role of sorting coefficient for TN was stronger than the TC. This paper confirmed the indicating role of sediments grain size on environmental factors,but also verified the impact of spatial distribution of grain size on nutrientsin the small-scale area.
The field investigation,laboratory analysis,statistical analysis and statistical analysis method were used to analyze the sediment grain size composition,spatial characteristics,and the correlations between sediment grain size and nutrients factorsin Liaohe Estuary. The results showed that: the sediment grain size composition,characteristic parameters presented the gradient trends in spatial distribution from ocean to land; The more strong correlation was found between TC、TN and the composition and sorting features of sediment grain size in the spatial distribution,and the effective instruction of sediment grain size parameters for TC、TN could been found,the effect of clay material on the TC was better than TN,and the indicating role of sorting coefficient for TN was stronger than the TC. This paper confirmed the indicating role of sediments grain size on environmental factors,but also verified the impact of spatial distribution of grain size on nutrientsin the small-scale area.
引文
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[16]路震,张徐.如东潮间带表层沉积物重金属含量及其污染评价[J].江西农业学报,2015,27(5):116-119,124.
[17]罗先香,田静,杨建强,等.黄河口潮间带表层沉积物重金属和营养元素的分布特征[J].生态环境学报,2011,20(5):892-897.
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[20]蒋东辉,高抒,程鹏.渤海海峡沉积物输运的数值模拟[J].海洋与湖沼,2002,33(5):553-561.
[21]王伟,李安春,徐方建,等.北黄海表层沉积物粒度分布特征及其沉积环境分析[J].海洋与湖沼,2009,40(5):525-531.
[2]程鹏,高抒.北黄海西部海底沉积物的粒度特征和净运输趋势[J].海洋与湖沼,2000,31(6):604-605.
[3]唐诚,赵艳,张华,等.珠江口近30年海底表层沉积物粒度分布及其环境变化[J].海洋科学,2013,37(5):61-70.
[4]姚晓,山口一岩,皱立,等.黄河三角洲南部潮间带沉积环境对底栖叶绿素a分布特征的影响[J].生态学杂志,2010,29(9):1762-1769.
[5]陈静,赵宝成,战庆.长江口水下三角洲北部近百年沉积物粒度组成及其对水动力环境的响应[J].沉积学报,2014,32(4):692-699.
[6]陈洪全,彭俊,陈沈良,等.苏北废黄河三角洲海域表层沉积物粒度的空间变异和分布特征[J].应用海洋学学报,2014,33(4):574-580.
[7]刘世昊,丰爱平,夏东兴,等.辽东湾西岸典型岬湾海滩表层沉积物粒度分布特征及水动力条件浅析[J].沉积学报,2014,32(4):700-709.
[8]HUTCHINSON G E.A treatise on limnology[J].New York,1957,59(2):169-176.
[9]陈敬安,万国江,张峰,等.不同时间尺度下的湖泊沉积物环境记录-以沉积物粒度为例[J].中国科学(D辑),2003,33(6):563-568.
[10]DU G Y,SON M,YUNM,et al.Microphytobenthic biomass and species composition in intertidal flats of the Nakdong River estuary,Korea[J].Estuarine,Coastal and shelf Science,2009,82(4):663-672.
[11]任品德,李涛,李团结,等.广东川山-阳江海区海岛潮间带表层沉积物粒度特征与沉积环境的关系[J].海洋通报,2013,32(2):164-170.
[12]雷坤,孟伟,郑丙辉,等.渤海湾西岸潮间带沉积物粒度分布特征[J].海洋通报,2006,25(1):54-61.
[13]钟小菁,陈沈良,陈燕萍,等.海南高隆湾海滩生物碎屑分布及其对沉积物粒度特征的影响[J].沉积学报,2012,30(5):891-899.
[14]邢永泽,周浩郎,阎冰,等.广西沿海不同演替阶段红树群落沉积物粒度分布特征[J].海洋科学,2014,38(9):53-58.
[15]张际标,姚兼辉,陈春亮,等.湛江东海岛潮间带表层沉积物粒度的分布及与环境要素的相关性[J].应用海洋学学报,2015,34(1):49-56.
[16]路震,张徐.如东潮间带表层沉积物重金属含量及其污染评价[J].江西农业学报,2015,27(5):116-119,124.
[17]罗先香,田静,杨建强,等.黄河口潮间带表层沉积物重金属和营养元素的分布特征[J].生态环境学报,2011,20(5):892-897.
[18]LEE H J,CHOUGH SK.Sediment distribution,dispersal and budget in the Yellow Sea[J].Marine Geology,1989,87(2/3/4):195-205.
[19]STEMBERG R W,LARSEN L H,MIAO Y T.Tidally driven sediment transport on the East China Sea continental shelf[J].Continental Shelf Research,1985,4(1/2):105-120.
[20]蒋东辉,高抒,程鹏.渤海海峡沉积物输运的数值模拟[J].海洋与湖沼,2002,33(5):553-561.
[21]王伟,李安春,徐方建,等.北黄海表层沉积物粒度分布特征及其沉积环境分析[J].海洋与湖沼,2009,40(5):525-531.