利用年径流时空上的统计特性，用时空协克立格法对缺测径流数据进行了估计。
The missing runoff records have been estimated by time-space Cokriging in terms of these behaviors.
由于受气候变化和频繁人类活动的影响，用于水资源评价计算的年径流序列失去了一致性。
Owing to the effects of changing climate and frequent human activities, the annual runoff series for water resource assessment calculation has lost their consistency.
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.
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