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   hydrological environment 在 地质学 分类中 的翻译结果: 查询用时:0.063秒
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hydrological environment
相关语句
  水文环境
    Changes of weather and hydrological environment for the last 50 years in the source regions of Yangtze and Yellow Rivers
    近50年来长江—黄河源区气候及水文环境变化趋势分析
短句来源
    The arid climatic conditions, rich source of fluorine and relatively close hydrological environment provide the advantage of F- to dissolution, transformation and rich in some regions.
    相对封闭的水文环境与干旱的气候条件为F-在水中溶解、迁移和富集提供了有利条件。
短句来源
  水文环境
    Changes of weather and hydrological environment for the last 50 years in the source regions of Yangtze and Yellow Rivers
    近50年来长江—黄河源区气候及水文环境变化趋势分析
短句来源
    The arid climatic conditions, rich source of fluorine and relatively close hydrological environment provide the advantage of F- to dissolution, transformation and rich in some regions.
    相对封闭的水文环境与干旱的气候条件为F-在水中溶解、迁移和富集提供了有利条件。
短句来源
  水文环境
    Changes of weather and hydrological environment for the last 50 years in the source regions of Yangtze and Yellow Rivers
    近50年来长江—黄河源区气候及水文环境变化趋势分析
短句来源
    The arid climatic conditions, rich source of fluorine and relatively close hydrological environment provide the advantage of F- to dissolution, transformation and rich in some regions.
    相对封闭的水文环境与干旱的气候条件为F-在水中溶解、迁移和富集提供了有利条件。
短句来源
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  hydrological environment
Climato-hydrological environment inferred from Lake Baikal sediments based on an automatic orbitally tuned age model
      
Changes Of Hydrological Environment And Their Influences On Coastal Wetlands InThe Southern Laizhou Bay, China
      
Because a compulsory water-level operation was carried out in the dam lake, it was considered that the effect of the hydrological environment in the catchment area on the dam lake was relatively large in comparison with that in natural lakes.
      
The abiotic hydrological environment and the community dynamics of the fish fauna were investigated in the Ria de Aveiro, an estuarine coastal lagoon system (43 km2), which has both marine and fluvial influences.
      
The ichthyofauna and abiotic hydrological environment of the Ria de Aveiro, Portugal
      
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Some problems raised on the basis of the new Atlas KARST IN CHINA-LANDSCAPES. TYPES . RULES'^ are further discussed inthis paper.First of all, a general situation of water resources in China is introduced; then some characters of hydrographic nets, transformation between surface and subsurface streams, isotopic features and dissolution-deposition in hydrological environments are dealt with. Finally, more space is given to karst environments and water resource patterns, which are summarized into several...

Some problems raised on the basis of the new Atlas KARST IN CHINA-LANDSCAPES. TYPES . RULES'^ are further discussed inthis paper.First of all, a general situation of water resources in China is introduced; then some characters of hydrographic nets, transformation between surface and subsurface streams, isotopic features and dissolution-deposition in hydrological environments are dealt with. Finally, more space is given to karst environments and water resource patterns, which are summarized into several typical ones.

根据新图集《中国岩溶—景观·类型·规律》,本文进一步讨论一些问题。首先,介绍了中国岩溶水资源一般情况;其次,有关岩溶水文网特征,地表水和地下水转化方式,和岩溶水文环境中同位素特征及溶蚀与沉积作用的内容;最后,较多篇幅用以介绍岩溶环境和岩溶水资源模式,在本文只能综合几个典型的模式。

he evolution of geological environment in the arid and semi arid areas of Qinghai Xizang Plateau~Loess Plateau~North China Plain over past 0.15Ma B.P. is an important component of the global change.The pattern of landform,chlimage,soil,water and vegetaion evolved with time under the cobined action of neotectonics,climate and human activities.The chages of these factors were spatially differeent but successive and correlative.We chages of these factors were spatially different but successive and correlative.We...

he evolution of geological environment in the arid and semi arid areas of Qinghai Xizang Plateau~Loess Plateau~North China Plain over past 0.15Ma B.P. is an important component of the global change.The pattern of landform,chlimage,soil,water and vegetaion evolved with time under the cobined action of neotectonics,climate and human activities.The chages of these factors were spatially differeent but successive and correlative.We chages of these factors were spatially different but successive and correlative.We attempted to set up a preliminary informantion analysis system of the environment evolution since Late Pleistocene for northen China using GIS technique. As GIS provides methods of information management and auxiliary analysis,it plays increasingly important role in regional analysis.It can set up the geoligical environment distribution and evolution features together with modeling analysis.GIS technique is helpful for the parameterization of information,spatial modeling analysis and can make the results vivid.The geological environment analysis information system(GEAIS) is composed of information collection,information processing,spatial analysis,mapping and output modules.The basic content of its spatical database includes topography,climate,soil,deposit feature,sea level change,hydrological environment evolution and engineering activity;the spatical analysis methods include Digital Elevation Model,Surface,Overlay,Buffer and Distance analysies. The study area is a rectangular area with the length of 3 500km from west to east and width of 1 000 km from north to south,which lies roughly between 34~41° N and 85~125° E.It consists of three topographical levels:Qinghai Xizang Plateau,Loess Plateau,North China Plain,representing the spatial features of the geological environment from west to east.The changes of neotectonics,climate and human activity as well as the degree to which they influence the geological environment were studied and the results are shown below: (1)The topographic analysis and spatial statistics show the average velocity of modern crust uplift is 066mm/a.Comparing with 015 Ma B.P.,the Qinghai Xizang Plateau has uplifted by 800~1 100m,and Loess Plateau by 100~150m. (2)On the basis of spatial analysis on modern climate,we set up the average annual precipitation model,average annual temperature model and average coldest months temperature modekmand further divided the main climate zones,climate regions and biozones.Spatial statistics of the distribution of climate zones and regions are also made. (3)The climates of about 7 500a B.P.and about 18 000a B.P. were reconstructed through analysis of spatial model using the limited climate change information.The preliminary results show:the average temperature of the climatic optimum period (about 7 500a B.P.) in northern China was 19℃ higher and annual precipitation 195mm more than today;while the temperature in coldest period is 1133℃ lower and precipitation 165mm less than today. According to our study,numerical simulation and predication using non linear model of GIS is an efficient way to solve spatial problems like geological environment evolution.The level to retrieve characteristic information of geological environment evolution with high resolution should be increased,the cause of the internal relation and difference of evolution between the three areas needs further study,and the simulation and modeling of the evolution should be improved in order to predict living environment of the human beings in the future.

在我国北方干旱-半干旱区,以过去气候变化记录为主线,探讨了地质环境的变化过程及其分析方法;在时间尺度上,通过综合研究分别在青藏高原、黄土高原和华北平原建立了概念化的高分辨率气候指标(温度、降水)演化过程曲线,作为分区的特征演化曲线;在空间尺度上,对研究较深入的现代和全新世最佳期(7500aB.P.前后)、18000aB。P.前后的冷期等时段的地质环境状况进行重建;利用空间分析计算机软件,对典型时段的地质环境状况进行连续空间分析,进而由分区特征演化曲线与典型时段地质环境空间分布模型耦合。这一分析对认识我国北方干旱-半干旱区今后的环境变化是十分有益的。

In arid area of Hexi Corridor, the NaF and KF are extensively distributed in the natural water, such as rivers, lakes and groundwater. From mountains to silt plain along with the formation, runoff and disappear of inland rivers, the distributing regular of F-can be markedly divided into three hydro-chemical zones: drench and dissolution-runoff zone, runoff-evaporation zone, dissolution-evaporation zone. There is a close relationship between high F- and the hydro-chemical characteristics. Generally, in the alkali...

In arid area of Hexi Corridor, the NaF and KF are extensively distributed in the natural water, such as rivers, lakes and groundwater. From mountains to silt plain along with the formation, runoff and disappear of inland rivers, the distributing regular of F-can be markedly divided into three hydro-chemical zones: drench and dissolution-runoff zone, runoff-evaporation zone, dissolution-evaporation zone. There is a close relationship between high F- and the hydro-chemical characteristics. Generally, in the alkali water with lower contains of SO42- such as Cl-·HCO3--Na+ or HCO3--Na+ types, the F- can be easily dissolved and rich in water. The arid climatic conditions, rich source of fluorine and relatively close hydrological environment provide the advantage of F- to dissolution, transformation and rich in some regions.

在甘肃河西走廊地区,随内陆流域水系的产生,径流消亡,从山区至山前平原,氟(F-)的迁移分布具有显著的淋溶-径流、径流-蒸发与溶滤-蒸发浓缩富集3个水文化学分带;在湖盆洼地以及沙漠边缘地区,不仅地下水中F-相对富集,且具有深部地下水F-含量大于浅层地下水及地表水F-含量的上小下大的垂直分带性;F-的富集与贫化与水化学特征关系密切,一般在低SO42-的贫钙碱性水环境,如Cl-·HCO3--Na+或HCO3--Na+型水中,有利于F-的溶解与富集。相对封闭的水文环境与干旱的气候条件为F-在水中溶解、迁移和富集提供了有利条件。

 
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