潮滩
- tidal flat
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苏北潮滩湿地植被对沉积物N、P含量的影响
Influence of Tidal Flat Plant on Contents of Nitrogen and Phosphorus in North Jiangsu Province
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B.中潮滩的侵蚀滩面带;
B. the washout zone of middle tidal flat ;
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潮滩沉积物&水界面营养盐N、P分布及交换特征
Distribution and Exchanging Characteristics of Porewater Nutrients in Tidal Sediments-Water Interface
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基于GIS的淤泥质潮滩侵蚀堆积空间分析
The Spatial Analysis of Erosion and Deposition of Tidal-Flat by GIS
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长江口潮滩有机质来源的C、N稳定同位素示踪
Carbon and Nitrogen Stable Isotopes as Tracers to Source Organic Matter in the Yangtze Estuary
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pH变幅大,自3.0至6.9。酸性潮滩土主要开发模式是种水稻,其次是海水养殖。
The pH ranges from 3.0 to 6.9.The developmental models are mainly to plant rice and to develop aquiculture .
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上海滨岸潮滩表层沉积物的重金属污染以Cu、Pb、Zn为主,高潮滩污染程度较重。
Compared with sediment criteria , the heavy metals pollution mainly are Cu Pb and Zn .
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杭州湾南岸潮滩的~(210)Pb分布及其沉积学意义
~ ( 210 ) Pb as a Tracer for the Tidal Flat Sedimentation in the Southern Hangzhou Bay
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潮滩沉积物&水界面NH3-N交换通量的底栖藻类效应
Effect of benthic alga on ammonium flux in the intertidal sediment-water interface
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长江口潮滩含氯有机物的分布及与TOC、粒度的相关性
Distribution of Poly chlorinated Organic Compound in Yangtze Estuary and its Correlation with TOC and Particle Size
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对长江口潮滩沉积物中磷的赋存形态进行了深入研究,发现输入源差异和水动力条件是影响潮滩沉积物中TP时空变异的主要因素。
The results had shown that the different input sources and the hydrodynamic conditions were the main factors controlling the spatio-temporal variations of total phosphorus .
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不同产前监测方法对ICP胎儿监测的临床意义潮滩冲淤监测方法与实时监测系统设计
Clinical Value of Prenatal Care with Different Methods on Intrahepatic Cholestasis of Pregnancy ; Tidal Flat Erosion-deposition Observation Methods and Research of Real-time Observation System
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长江口滨岸潮滩14个表层沉积物中多环芳烃(PAHs)分析表明,PAHs总量分布范围在0.263~6.372mg/kg。
The analysis of PAHs in 14 surface sediments of tidal flats of the Yangtze Estuary showed that total PAHs concentration ranged from 0.263 to 6.372mg/kg .
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基于TM图像的潮滩表层沉积物含水量推算模型研究&以江苏辐射沙洲区为例
Study on Model of Surface Sediment Humidity on Tidal Flat Based on Remote Sensing Image of TM & A Case Study of Radial Sands Banks in Jiangsu Province , China
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长江口潮滩表层沉积物中PCBs和OCPs的分布
Distribution of polychlorinated biphenyls ( PCBs ) and organochlorine pesticides ( OCPs ) in the tidal beach surface sediments of Yangtze estuary
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盐城潮滩湿地对N、P营养物质的截留效应研究本论文主要研究在不同尺度条件下水塘湿地系统中氮、磷输移规律及截留效应。
Retention Effect of Wetland for Nitrogen and Phosphorus Nutrients in the Coastal Zone of the Yancheng The main aim of this thesis is to research the transporting regulation and the retention effect of N and P for the different dimensions pond wetland system .
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中潮滩(CM-2)为大气CH4的排放源,在7月达到排放高峰;
The middle tidal-flat of CM ( CM-2 ) was source of atmospheric methane and the maximum emission flux occurred in July ;
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说明潮滩沉积物中可能存在较强的硝化作用,对水体NH3-N有一定的净化作用。
They indicate that the nitrification in sediment may be strong , which may partly contribute to the NH3-N purification function of the tidal flat .
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用连续分步提取法、DTPA法和稀HCl法分别对长江口滨岸潮滩表层沉积物中的活性Cr、Pb、Cu、Zn进行了提取分析。
The concentrations of active Cr , Pb , Cu , and Zn in the intertidal sediments of Yangtze estuary were extracted by three extraction procedures ( Tessier sequential extraction , DTPA and HCl ) .
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依据荧蒽/芘之比以及2+3环与4环以上PAHs化合物分布特点,表明长江口近岸潮滩沉积物中PAHs主要来自石油类污染物的输入。
Petroleum-derived contamination may be dominant source in the study area , depending on the distributions of fluoranthene / pyrene and 2 + 3 ringed and 4 ringed PAHs compounds in surface sediments .
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选择长江河口崇明东滩为典型研究区域,使用原位静态箱-气相色谱法,对长江河口潮滩湿地-大气界面碳通量(CH4和CO2)进行了为期一年的现场观测实验。
Using static closed chamber-GC technique , carbon ( CH_ 4 and CO_ 2 ) fluxes through intertidal flat wetland-atmosphere interface of the Yangtze estuary were measured continuously for one year at Chongming east intertidal flat ( CM ) .
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为了评价长江口滨岸潮滩沉积物中重金属铅对底栖动物的影响,进行了底栖动物泥螺的24h急性毒理学试验研究。
We go along a acute toxicity test of benthic fauna Bullacta exarata for about 24 hours in order to evaluate the effect of heavy metal Pb to benthic fauna in coastal tidal flat of Changjiang Estuary .
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沉积物中生物可利用磷(BAP)主要受人类活动控制,可以作为长江口潮滩环境潜在生态风险评价指标之一。
The bioavailable phosphorus ( BAP ) is mainly controlled by human activities , which can be used as one of indicators for the potentially ecology risk assessment in the Yangtze estuary .
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环境因子对长江口潮滩沉积物中NH4~+的释放影响然后从都市圈的规模结构和职能结构两方面,分析了长三角都市圈城镇体系发展现状和存在的问题。
Effects of Environmental Factors on NH_4 ~ + Release in Tidal Flat Sediments Along the Yangtze Delta Chapter four analyzes the current development situation and existent issue of urban system in the area of the Yangtze Delta .
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本文分析了上海市某高层住宅PHC管桩桩基出现问题的原因,介绍了采用后压浆钻孔灌注桩补强基础的处理措施。潮滩环境问题越来越多元化、复杂化。
In this paper , causes of the drift problem occurred in PHC piles foundation of a high-rise residence building are analyzed , and the method of the strengthening for the foundation with cast-in-place grouting piles is described .
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土壤POC含量与不同粒径区间颗粒含量相关关系表明,高潮滩与中潮滩柱样的泥沙级配较为接近;
The correlations between soil POC contents and contents of grains in different size fractions indicated that grain size characteristics of samples from high marsh were similar to those of samples from middle marsh .
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作者选用1986年和2001年两个时相的LANDSATTM/ETM+影像,结合遥感、地理信息系统(GIS)和分形理论研究了黄河三角洲典型河口岸段潮滩潮沟的发育演变。
We have interpreted tidal flats and tidal creeks in 5 typical tidal basins around the Yellow River Delta using Landsat TM / ETM + images acquired in June 1986 and August 2001 . The drainage density and fractal dimension of tidal creeks of each tidal basin were calculated .
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天津位于渤海湾顶部,海岸线155km,潮滩3km至8km左右。
Tianjin lives in the top of the Bohai bay , has 155 km . long coastline and 3 to 8 km . long tidal bank .
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该模型网格采用为480m×620m,垂向4层,充分考虑渤海湾潮滩广阔的特点。
The grid is 480m × 620m , and 4 lays in vertical are used . The shallow water areas and tidal areas in the Bohai Bay are taken into account .
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根据定点站位不同年代的高程数据,分析Pethick-Allen模型在江苏潮滩盐沼的适用性;
According to surface elevations of stations and calculated sedimentation rates in different stages , the applicability of Pethick-Allen model is analysed in Jiangsu tidal salt marshes .