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内陆河高寒山区流域分布式水热耦合模型（Ⅲ）：MM5嵌套结果
中尺度大气模式 气象因子 初始参数 奇异性
2007/8/6
利用中尺度气候模式MM5计算黑河山区流域2003年2月11日到6月30日的日降水量、2.0 m高度的日平均气温和潜热，并将其嵌套到DWHC模型中。MM5运行周期为10 d，积分步长为3 s，空间分辨率为3 km。保持DWHC模型土壤参数、植被参数、经验参数和可调参数等不变，仅对模型初始参数进行了调整，利用最近距离法（nearest）将MM5输出结果插值到1 km×1 km格点上，所计算的黑河干流出...
统计了天山乌鲁木齐河源1号冰川自1980年以来冰川表面的单点物质平衡，分析了不同季节物质平衡及其冰川变化特征。研究表明，1号冰川厚度较之1959年平均减薄了9 599 mm；1997—2002年为实际观测以来连续的强负物质平衡时段，平均物质平衡为-739.6 mm /a。物质平衡与气温、降水的相关分析显示：1号冰川物质平衡主要取决于夏季平均气温的高低，二者具有较好的反相关关系（相关系数为-0.72...
新疆塔里木河下游物种多样性变化与地下水位的关系
物种多样性 地下水位 植物群落结构 塔里木河下游
2007/8/6
根据塔里木河下游9个断面40眼地下水位观测井和8个植物样地野外采集的数据，运用物种多样性指数对塔里木河下游物种多样性与地下水位变化进行了分析计算。研究表明，塔里木河下游物种多样性与地下水位变化有着密切的关系，地下水位对物种多样性的变化起着主导作用。塔里木河下游浅层地下水位埋深较大，并且表现为由上游段至下游段逐渐加深这样一个明显的递减变化。塔里木河下游物种多样性指数较低，ShannonWeiner...
红河断裂带大型右旋走滑运动定量研究的若干问题
定量研究 右旋走滑运动 红河断裂
2007/8/6
通过卫航片解释、野外地质调查和相关年代学研究与综合前人已有资料分析，阐明了红河断裂带作为一个整体自中新世以来大规模右旋位错的地质依据，论述红河断裂带在几何学、运动学和年代学等方面的基本特征，探讨了红河断裂带后期大规模右旋走滑运动与青藏高原隆升间的某些相关性。研究表明：中新世以来，红河断裂带大规模右旋走滑运动在北段区主要表现为尾端拉张伸展---构成典型的滇西北裂陷盆地区，且自中新世经上新世至第四纪，...
Colonization patterns of Nematoda on decomposing algae in the estuarine environment: Community assembly and genetic structure of the dominant species Pellioditis marina
Colonization patterns of Nematoda estuarine environment: Community assembly genetic structure dominant species Pellioditis marina
2014/4/22
We performed a field experiment in the Westerschelde Estuary (The Netherlands) to characterize the colonization dynamics of nematodes in relation to the proximity of a source population and to local e...
Chemical and physical speciation of mercury in Offatts Bayou: A seasonally anoxic bayou in Galveston Bay
Chemical physical Offatts Bayou A seasonally anoxic bayou in Galveston Bay
2014/4/22
A chemical equilibrium model was used to predict the solution speciation of dissolved mercury (Hg) in the stratified water column of Offatts Bayou, a subestuary in Galveston Bay, Texas, which undergoe...
Biogeochemistry of the Dumai River estuary, Sumatra, Indonesia, a tropical black-water river
Biogeochemistry Dumai River estuary Sumatra Indonesia a tropical black-water river
2014/4/21
The biogeochemistry of the Dumai River estuary in eastern Sumatra, Indonesia, was studied in order to obtain information on the sources, transformation, and fate of organic matter. Between October and...
Effects of progressive oxygen depletion on sediment diagenesis and fluxes: A model for the lower St. Lawrence River Estuary
progressive oxygen depletion sediment diagenesis fluxes A model for the lower St. Lawrence River Estuary
2014/4/21
We applied a diagenetic model to examine the effects of a decadal-timescale progressive decrease in bottomwater oxygen concentration on sediment geochemistry and fluxes across the sediment-water inter...
The dynamics of phosphorus in turbid estuarine systems: Example of the Gironde estuary (France)
The dynamics of phosphorus turbid estuarine systems Example of the Gironde estuary France
2014/4/23
Suspended particles and surface waters were collected in the Gironde estuary (southwestern France) along the salinity gradient. Dissolved inorganic phosphorus (DIP) was analyzed in the filtered surfac...
Differential effect of algal- and soil-derived dissolved organic matter on alpine lake bacterial community composition and activity
algal- and soil-derived dissolved organic composition activity
2014/5/5
We studied the effects of algal- and soil-derived dissolved organic matter (DOM) enrichments on the activity
and community composition of bacterioplankton in an alpine lake. The effects of the DOM so...
High-frequency internal waves in the littoral zone of a large lake
High-frequency internal waves littoral zone a large lake
2014/5/4
Observations in the littoral zone of a large lake (Lake Constance) revealed strong and periodic fluctuations of temperature and current velocity on timescales between 10 and 15 min associated with hig...
Long-term changes in apparent uptake of silica in the San Francisco estuary
Long-term changes apparent uptake silica San Francisco estuary
2014/5/9
Silica distributions in estuaries can be used to infer uptake, particularly that due to production by diatoms. I used data from two long-term monitoring programs to infer long-term patterns of diatom ...
Hydrophobicity and reactivity of trace metals in the low-salinity zone of a turbid estuary
Hydrophobicity reactivity trace metals low-salinity zone a turbid estuary
2014/5/9
We chemically fractionated water samples from the low-salinity zone of a turbid estuary (Tamar, UK) using C18 columns to examine the controls on the complexation, hydrophobicity, and reactivity of dis...
Resolving the variability of dissolved organic matter fluorescence in a temperate estuary and its catchment using PARAFAC analysis
dissolved organic matter fluorescence temperate estuary catchment PARAFAC analysis
2014/5/9
Excitation emission matrix fluorescence spectroscopy combined with PARAFAC analysis provides a fast and effective method of characterizing the fluorescent fraction of dissolved organic matter (DOM). F...
Chemical characteristics of dissolved organic matter in an oligotrophic subtropical wetland/estuarine ecosystem
Chemical characteristics dissolved organic matter oligotrophic subtropical wetland estuarine ecosystem
2014/5/8
Fluorescence properties of whole water samples and molecular characteristics of ultrafiltrated dissolved organic matter (UDOM > 1,000 D) such as lignin phenol and neutral sugar compositions and 13C nu...