河川天然径流量变化与趋势预测研究对陆地水循环与水量平衡研究和水资源利用等均有重要意义。
Natural runoff variety and current forecasting researches are very useful for terrestrial water cycling and water balance research and water resources management.
对长系列资料分析表明，黄河干流天然径流量多年变化有着明显的丰、枯循环周期变化，其周期长度并不稳定；
Through the analysis of the long series data, the variety of natural flow of the Yellow River has obviously plentiful and withered circulation period, the length of the period is unsteady;
作为一个案例，该模型在淮河上游淮滨站以上流域被成功地建立，并有效地用于由降水量和蒸发量资料推求年天然径流量。
As a case, the model was satisfactorily structured and effectively used in computation of annual natural runoff with precipitation and evaporation at Huaibin Station on the upstream of the Huai River.
由于受频繁人类活动和气候变化的影响，用于水资源评价计算的天然年径流量序列失去了一致性。
Owing to the effects of frequent human activities and climate change, the natural annual runoff series for water resources evaluation calculation lost their consistency.
由于受人类活动、气候等外界变化环境的影响，用于水资源评价计算的天然年径流量序列失去了一致性。
Owing to the effects of changing environment, such as human activities and climate, the natural annual runoff series for water resources evaluation calculation lost their consistency.
西江是中国南方最大的天然河流，其径流量在内河中仅次于长江，素有“黄金水道”美誉。
Xijiang's runoff is second to Yangtze river which is the largest natural river in the south of China and known as the "Golden Waterway" reputation.
借助适合于黄土高原降雨- 产流特性的月水量平衡改进模型，计算天然状态下降雨应有的产流量与同期实测径流量求得减水效果。
The monthly water balance model for calculating runoff on loess plateau has been used in analyzing the benefits of water reduction by soil and water conservation.
借助适合于黄土高原降雨- 产流特性的月水量平衡改进模型，计算天然状态下降雨应有的产流量与同期实测径流量求得减水效果。
The monthly water balance model for calculating runoff on loess plateau has been used in analyzing the benefits of water reduction by soil and water conservation.
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