Study on hydrological cycle effect in river basin based on principal component analysis;

主要介绍用主成分分析法对输入变量进行预处理的方法 。

Changes of hydrological cycle are controlled by two sets of vectors as natural and human activities.

水文循环的变化受控于自然和人类活动两组向量。

The results show that the proposed model has a good performance in modelling wetland hydrological cycle system.

建立的模型对湿地水循环系统具有较好的模拟能力。

Thus cloudiness decreases even as the hydrological cycle accelerates and precipitation and evaporation increase.

云量 降低甚至出现在水循环加速和降水、蒸发增加以后。

Observational Evidence for the Mutual Regulation of the Tropical Hydrological Cycle and Tropical Sea Surface Temperatures.

热带水文循环和热带海面温度多规则的观测证据。

Yet the effects of these persistent patterns may get more unpleasant because the world will be warmer and have a more vigorous hydrological cycle.

然而，这些持续的影响模式可以造成更多的不愉快的，因为这个世界将更温暖且拥有一个更有活力的水循环。

This study provides isotopic evidence in hydrological cycle research and a theoretical support of water resource protection in permafrost regions.

该研究为多年冻土区水文过程的变化规律提供了同位素证据。

Water balance elements of urban hydrological cycle have been measured and investigated, then checked by means of water balance equation in urban areas.

通过精测与调查收集城市水资源要素，并用城市水平衡方法检验。

The two great lakes continuous, hydrological cycle all match Leonardo's observations about how the landscape we see today was shaped by the power of water.

两条大河持续不断的冲刷循环造就了我们今天所看到的风景。

Thee two great lakes continuous, hydrological cycle all match Leonardo's observations about how the landscape we see today was shaped by the power of water.

两条大河持续不断的冲刷循环造就了我们今天所看到的风景。

Human activities and utilization of water resources have affected the hydrological cycle and water balance, which led to serious degeneration of eco-environment.

人类经济活动和水资源开发利用已影响到内陆水文状态并导致生态环境的严重退化。

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.

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。

So the paper has positive significance to analyze the climate, hydrological cycle and land use change in the Gong-he basin and the region of Qingham-Tibetan plateau further.

该研究对进一步分析共和盆地和相邻的青藏高原区的气候、水文和水土资源利用有一定的指导意义。

Not only can a single rainfall process but also erosion and hydrological process in a certain time of cycle be analyzed, the results can be printed in figure, graph or curve.

模型既可对单一的降雨过程进行分析，也可对一定时间周期内的侵蚀和水文过程进行分析，并且可用数据、图形和曲线等形式输出运行结果。

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。