河流水质的保护和改善，与流域水循环过程密切相关。
Protection of water quality in the area like watershed is closely related to the hydrological process.
流域水循环二元复合特性越来越突出是当前最重要的水科学条件。
It is the most important water science condition that dual and complex character is more and more outstanding at present.
水资源在流域水循环过程中形成和转化，以河流为纽带把山地、盆地平原、绿洲和荒漠系统联系起来。
In the water circulating process, the mountains, basins, plains, oases and deserts are connected due to the formation and conversion of the water resources through the streams.
在水循环上，现代环境下的流域水循环也已经由过去的一元自然循环演变为“自然-人类社会”的二元循环。
In the water, the modern environment of river basins in the past has evolved into the unary natural circulation "nature" -human society of binary circular.
同时，将流域水循环系统概化为自然水循环系统和人工水循环系统，分别用供水单元和用水单元模拟其结构构成要素。
At the meantime, it generalizes the water circulation into natural and human water circulation system using water supply and water consumption unit to simulate their structure factors.
本文侧重讨论岩溶水循环中产流与汇流、岩溶区流域面积确定、地表水与地下水划分、以及解决这些问题的技术方法。
In this paper, the mechanism of runoff-producing and flow confluence in karst area, the structure function of karst hydrological conceptual model, and the problem of modelling process are discussed.
流域水资源的动态变化及其对气候以及人类活动的敏感性使得水循环成为极其复杂的过程。
The dynamic change of water resources in river basin and its sensitivity to weather and human activity make water cycle become a very complex process.
以伊洛河流域为实例研究，构建了二元水循环模型。
The dualistic water cycle model as a case study with Yiluo river basin is established.
流域水资源系统是自然和人工水循环的复合系统，二元复合特性成为水循环的固有属性。
The water resources system of basin is the complex system of human and natural water circulation, and dual complex character becomes the intrinsic property of water circulation.
因此，对流域水文过程研究的最终目的，就是建立基于“流域二元水循环模式”的流域水文模型。
The essence of So-called Dual Water Evolvement Mode is to study the impact of nature processes and man's activities respectively.
流域尺度土壤水评价和预测是流域水平衡和水循环的重要组成部分，也是流域水资源综合管理的主要内容。
Because soil water is a crucial part of water balance and water cycle at a river basin scale, it should be a significant component of integrated water resources management.
总体而言，土地利用改变加剧了长江流域夏季水循环过程， 使得夏季长江中下游地区降水增多， 径流增大。
Overall the land use changes in the Yangtze River basin may intensify the hydrological cycle of the basin, which should increase summer precipitation and streamflow.
河川径流作为水循环水文要素之一，由于受人类活动、流域气候及自然地理等因素的综合影响，其变化呈一个非线性动力系统。
As one of the main hydrological factors of the water cycle, river runoff is affected by human activities, watershed climate and geographical factors, and its change is a non-linear dynamical system.
河川径流作为水循环水文要素之一，由于受人类活动、流域气候及自然地理等因素的综合影响，其变化呈一个非线性动力系统。
As one of the main hydrological factors of the water cycle, river runoff is affected by human activities, watershed climate and geographical factors, and its change is a non-linear dynamical system.
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