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hydrological environment
相关语句
  水文环境
    Changes of Hydrological Environment and Sustainable Countermeasures of Water Resources Management of Wetlands in Southern Laizhou Bay
    莱州湾南岸湿地水文环境变化与可持续的水资源管理对策
短句来源
  水文环境
    Changes of Hydrological Environment and Sustainable Countermeasures of Water Resources Management of Wetlands in Southern Laizhou Bay
    莱州湾南岸湿地水文环境变化与可持续的水资源管理对策
短句来源
  “hydrological environment”译为未确定词的双语例句
    This article analyses the change of the hydrological environment in the upper reaches of the Changjiang River, after the completing of the Sanxia Great Dam, and it points out the changes of environment which can be summarized as follows: flood quantity concentrates;
    长江上游穿行于深山峡谷间 ,出宜昌就进入广阔的平原地区。 长江中游地区江面宽展 ,两岸全靠堤防约束江水 ,河道的安全泄洪能力远小于巨大的洪水来量 ,且两岸地面高程普遍低于洪水位数米至十几米 ,是长江流域洪水灾害最为集中、最为频繁的地区。
短句来源
    As we all know, the Loess Plateau is limited in water resources, and sensitive to hydrological environment. In order to understand the effects of the change in land use on water resources and provide planners and managers with theoretical bases, this study compared the runoff production during two periods of 1982--1988 and 1989--2000 in the Lüergou watershed in the Loess Plateau.
    为正确认识土地利用变化对水资源的影响,并为今后该地区土地利用规划、管理提供依据,该研究以黄土高原吕二沟流域为例,分析了1982和1989年两期土地利用变化的水文动态响应.
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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 article analyses the change of the hydrological environment in the upper reaches of the Changjiang River, after the completing of the Sanxia Great Dam, and it points out the changes of environment which can be summarized as follows: flood quantity concentrates;the height of flood peak increase; the time of flood peak reduces The article also indicates that the situation of preventing flood is still very severe in the middle reaches of the Changjiang River, especially the river section from...

This article analyses the change of the hydrological environment in the upper reaches of the Changjiang River, after the completing of the Sanxia Great Dam, and it points out the changes of environment which can be summarized as follows: flood quantity concentrates;the height of flood peak increase; the time of flood peak reduces The article also indicates that the situation of preventing flood is still very severe in the middle reaches of the Changjiang River, especially the river section from jianli county to Wuhan city and the major branch dykes of Dongtin Lake in the South Jingzhou district

长江上游穿行于深山峡谷间 ,出宜昌就进入广阔的平原地区。长江中游地区江面宽展 ,两岸全靠堤防约束江水 ,河道的安全泄洪能力远小于巨大的洪水来量 ,且两岸地面高程普遍低于洪水位数米至十几米 ,是长江流域洪水灾害最为集中、最为频繁的地区。 2 0 0 3年长江三峡大坝第三次截流后 ,上游地区的水文环境也将产生许多变化 ,与建库前相比洪峰时间提前、洪峰量增加、洪峰预见期缩短。三峡工程建成后 ,可减轻长江上游特大洪水或以长江上游洪水为主的全流域性洪水灾害 ,对于长江中游地区的洪水也有一定的调控影响 ,但防洪形势仍十分严峻

On the basis of the understanding of the connotation of the resource and ecology oriented water conservancy through application of the concepts of the systematic and procedural methodology, resource value, ecology, and on the basis of high science and technology and the analysis of the present situation of water resources development and utilization on the Sanjiang Plain and some potential eco environmental problems, some thoughts are presented for implementation of the resource and ecology oriented water...

On the basis of the understanding of the connotation of the resource and ecology oriented water conservancy through application of the concepts of the systematic and procedural methodology, resource value, ecology, and on the basis of high science and technology and the analysis of the present situation of water resources development and utilization on the Sanjiang Plain and some potential eco environmental problems, some thoughts are presented for implementation of the resource and ecology oriented water conservancy, including strengthening the research on comprehensive utilization of water resources and promoting the application of new techniques to practices, implementing the measures for water and soil conservation to improve the ecological and hydrological environment, implementing the measures for ecological environment protection to prevent the decline of water resources quality, introducing the advanced theory of water resources value to activate the water market, and carrying out overall regulation to develop a social water saving environment.

在运用系统与过程的方法论观、资源价值观、生态观和高科技观来理解和把握资源与生态水利内涵的基础上 ,通过分析三江平原水资源开发利用状况及潜在的生态环境问题 ,提出了三江平原资源与生态水利的实施设想 :①应加强水资源综合利用的科研及其成果的转化 ;②落实水土保持措施 ,改善生态水文环境 ;③落实生态环境保护措施 ,防止水资源质量下降 ;④引进先进的水资源价值理论 ,激活水利市场 ;⑤实施多环节调控 ,营造节水社会环境

Predicting hydrological effects of land use change is a currently focus in the field of hydrology. Land use change impacts the water resources available to watershed by changing the runoff process. As we all know, the Loess Plateau is limited in water resources, and sensitive to hydrological environment. In order to understand the effects of the change in land use on water resources and provide planners and managers with theoretical bases, this study compared the runoff production during two periods of...

Predicting hydrological effects of land use change is a currently focus in the field of hydrology. Land use change impacts the water resources available to watershed by changing the runoff process. As we all know, the Loess Plateau is limited in water resources, and sensitive to hydrological environment. In order to understand the effects of the change in land use on water resources and provide planners and managers with theoretical bases, this study compared the runoff production during two periods of 1982--1988 and 1989--2000 in the Lüergou watershed in the Loess Plateau. The results showed that land use change had effects on annual runoff production, which decreased by 27% to 100% during land use period with more forest land or good land cover, and runoff coefficient decreased by 57%. The effects of land use on runoff production had been found to be seasonal, i.e. the significant differences between the good land cover and the poor one only could be found in growth season. Although the runoff coefficients of the previous and the later land use periods had demonstrated different trends in low water season, it should be noted that it did not represent the runoff production capacity for low water season. The authors deduced that this difference was to some extent relevant to the amount of precipitation. Flood peak discharge frequencies had indicated that peak discharge would response to the land use and vegetation change obviously, provided the same frequencies of rainfall intensity of the earlier and later periods existed.

黄土高原是我国水资源短缺以及土地利用变化水文影响敏感区域.为正确认识土地利用变化对水资源的影响,并为今后该地区土地利用规划、管理提供依据,该研究以黄土高原吕二沟流域为例,分析了1982和1989年两期土地利用变化的水文动态响应.经剔除不同时期降水因素对径流的影响后,研究结果表明:土地利用变化对年径流有显著影响,后期土地利用较前期土地利用径流系数下降57%,林地面积较多、植被条件较好的后期土地利用总体年产流减少27.09%~100%,且随着降雨的增多,土地利用与植被变化对径流的影响效应增强;土地利用变化对径流产量的影响表现为季节性,在同一降水条件下两期土地利用的产流量仅在生长季具有明显差异.虽然不同土地利用时期枯水季节径流系数具有不同表现,但作者认为此时的径流系数并不代表实际的降雨产流能力,推断这种分布可能与降水的丰、枯情况有关;经洪水频率分析,认为若前后两期土地利用具有相同频率的降水,则一定频率范围内的洪峰流量将可能对土地利用与植被变化产生明显响应.

 
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