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  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
    Based on the analysis of the monitoring data of chlorinity in a tidal cycle during the spring tide in 1992, the paper discusses the formation, development and decline of the saltwater wedge in the Minjiang estuary, and analyses the effect of the activity of saltwater wedge on the water quality, hydrological environment of the estuary and the estuarine sedimentation.
    通过对1992年大潮丰水期一个潮周期的氯度监测资料分析,探讨了闽江口盐水楔的形成、发展和消退过程,并分析了盐水楔活动对闽江口水质、河口水文环境,以及河口沉积的影响。
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.
    干旱区内陆流域丰富的氟物质来源、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
    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
    Based on the analysis of the monitoring data of chlorinity in a tidal cycle during the spring tide in 1992, the paper discusses the formation, development and decline of the saltwater wedge in the Minjiang estuary, and analyses the effect of the activity of saltwater wedge on the water quality, hydrological environment of the estuary and the estuarine sedimentation.
    通过对1992年大潮丰水期一个潮周期的氯度监测资料分析,探讨了闽江口盐水楔的形成、发展和消退过程,并分析了盐水楔活动对闽江口水质、河口水文环境,以及河口沉积的影响。
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.
    干旱区内陆流域丰富的氟物质来源、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
    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
  “hydrological environment”译为未确定词的双语例句
    The Effect of Coal Mining on the Hydrological Environment in Shanxi
    山西煤矿开采对水环境的影响
短句来源
    In the paper, through analyzing be of karst rural areas environmental syst em and characteristics of village distribution in Guizhou karst mountainous area, base on selecting principle of classification index, the system of classification index, that take condition of landforms , hydrological environment, open condition and villages scale for contents, was established. It is divided that type of rural area in Guizhou karst mountainous area.
    通过对喀斯特乡村地域环境系统特征和贵州喀斯特山区乡村分布特点的分析,根据类型分类指标选择原则,建立起以地貌条件、水文条件、开发程度及村落规模为内容的分类指标体系,对贵州喀斯特山区乡村地域进行了类型划分.
短句来源
    In the past century, people engaged in some research work in the continental river basin in arid zone. Such as, human beings and environment problem, water resource problems including hydrological geology and water amount change features as well as hydrological environment, climatology and physical geography fields etc.
    近一个世纪以来 ,人们针对内陆河流域的人与环境问题、水资源问题 (包括水文地质、水资源变化特征、水环境变化特征 )、气候以及自然地理学领域做了大量的研究工作。
短句来源
    Based on the hydrological data collected in the field,this paper discusses the measures to improve the hydrological environment in Lijiang River,then to find an effective approach for the sustainable development of tourism in Lijiang River landscape.
    该文依据漓江水文观测资料,从景观生态学角度探讨解决其水资源环境问题的对策,为漓江风景区旅游可持续发展寻求新的有效途径.
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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This paper presents the gleization genesis, the gleization types and their fertilizer characteristics of paddy soil in Sihu region; estimates the status quo and evolution trend of the gieization; and expounds the relationship of the formation and development of paddy soil gleization with landform, hydrological environment, irrigation projects and cropping systems, Based on the status and trend of the gleization, the paper suggests that, the overall planning and comprehensive control be a general principal...

This paper presents the gleization genesis, the gleization types and their fertilizer characteristics of paddy soil in Sihu region; estimates the status quo and evolution trend of the gieization; and expounds the relationship of the formation and development of paddy soil gleization with landform, hydrological environment, irrigation projects and cropping systems, Based on the status and trend of the gleization, the paper suggests that, the overall planning and comprehensive control be a general principal for ameliorating the gleization paddy soil in the region; and some concrete strategy and measures, including to combine macroscopic control with microcosmic transformation, engineering measures with ecological measures, amelioration with utilization, etc., be carried out.

本文研究了四湖地区水稻土潜育化的发生、类型及其肥力特性,对该区潜育化现状及发展趋势作了评估。阐述了地貌、水文环境、水利工程及耕作制度等因素与水稻土潜育化的形成和发展的关系。根据该区潜育化现状和发展趋势,本文提出了对潜育性水稻土实行“全面规划、综合治理”的总原则,并认为应实行宏观治理与微观改造相结合、工程措施与生态措施相结合、改良与利用相结合等对策和措施。

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。

A saltwater wedge may be found when the sea water encroaches on the estuary during the plentiful runoff and spring tide. Based on the analysis of the monitoring data of chlorinity in a tidal cycle during the spring tide in 1992, the paper discusses the formation, development and decline of the saltwater wedge in the Minjiang estuary, and analyses the effect of the activity of saltwater wedge on the water quality, hydrological environment of the estuary and the estuarine sedimentation.

闽江河口丰水大潮期盐水入侵过程中可见到盐水楔.通过对1992年大潮丰水期一个潮周期的氯度监测资料分析,探讨了闽江口盐水楔的形成、发展和消退过程,并分析了盐水楔活动对闽江口水质、河口水文环境,以及河口沉积的影响。

 
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