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首页> 外文期刊>Paddy and Water Environment >Evaluation of water resources by snow storage using water balance and tank model method in the Tedori River basin of Japan
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Evaluation of water resources by snow storage using water balance and tank model method in the Tedori River basin of Japan

机译：日本都通河流域储水量平衡法和储罐模型法的储雪评价水资源。

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摘要

We evaluate water resources as the difference between the observed and virtual discharges, defined as discharge without snow storage during the snowfall and snowmelt season, in the Tedori River basin of Ishikawa Prefecture, Japan. The virtual discharge was estimated using the Tank model, in which parameters of calculated discharge were determined when the predictions were consistent with the observed discharges except for those during snowfall and snowmelt periods. Precipitation increase factors, i.e., the ratio of precipitation in the basin to that of a Kanazawa site, ranged from 1.46 to 2.00 with an average of 1.68. Water resources by snow storage (WRSS) during 31 years from July 1976 to June 2006 were estimated to be 400-1,500 mm in depth, which could be considered a significant amount. WRSS gradually decreased over time from 1976 to 2006. We propose the water balance method to estimate WRSS and water resources by snowmelt (WRSM), which easily estimates these parameters without the need for any detailed analysis of hydrograph as that of the Tank model. If snowfall decreases due to global warming, we suggest this area would suffer an irrigation water shortage under the water right, especially in the early spring.
机译：我们将水资源评估为日本石川县大通河流域的观测排放量与虚拟排放量之差，定义为降雪和融雪季节无积雪的排放量。使用Tank模型估算虚拟排放量，其中除降雪和融雪期间的预测值与观测到的排放量一致时，确定计算的排放量参数。降水增加因子，即盆地中的降水量与金泽站点的降水量之比，范围从1.46到2.00，平均为1.68。从1976年7月到2006年6月的31年中，通过积雪（WRSS）进行的水资源估计深度为400-1,500毫米，这可以认为是很大的数量。 WRSS从1976年到2006年随着时间逐渐减少。我们提出了一种用水平衡法来通过融雪法（WRSM）估算WRSS和水资源，该方法可以轻松地估算这些参数，而无需像Tank模型那样对水位图进行任何详细的分析。如果由于全球变暖导致降雪量减少，我们建议该地区在水权下将遭受灌溉缺水的困扰，尤其是在初春时。

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