Influence of snow accumulation and snowmelt on streamflow in the central Spanish Pyrenees / Influence de l’accumulation et de la fonte de la neige sur les écoulements dans les Pyrénées centrales espagnoles
Influence of snow accumulation and snowmelt on streamflow in the central Spanish Pyrenees / Influence de l’accumulation et de la fonte de la neige sur les écoulements dans les Pyrénées centrales espagnoles
复制标题
积雪和融雪对西班牙比利牛斯山脉中部水流的影响 / 积雪和融雪对西班牙比利牛斯山脉中部水流的影响 / 积雪和融雪对西班牙比利牛斯山脉中部水流的影响
DOI：
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发表时间：
2004
期刊：
影响因子：
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通讯作者：
J. M. García
中科院分区：
文献类型：
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作者：
J. I. López;J. M. García
摘要
摘要介绍了有关积雪和融雪对西班牙比利牛斯山中部河势影响的研究结果。比利牛斯河的径流特点是冬季由于积雪在1600英里以上的盆地积雪而流量低而持续，春季由于融雪和降雨而流量大且波动。根据大西洋的影响和每个盆地高海拔地区的百分比，评估了区域流量对比。在比利牛斯盆地的大部分地区，春季融雪比降雨对流量的贡献更大。数据分析表明，过去50年冬季降水量减少，导致冬季和春季流量减少，并导致全年径流分布发生变化。
Abstract
Abstract Results of studies related to the effect of snow accumulation and snowmelt on river regimes of the central Spanish Pyrenees are presented. Streamflow of the Pyrenean rivers is characterized by low and constant discharges during winter because of accumulation of snow in the basins above 1600 m a.s.l., and high and fluctuating discharges during spring due to snowmelt and rainfall. Regional discharge contrasts have been assessed in relation to the Atlantic influence and the percentage of high altitude areas in each basin. In most of the Pyrenean basins, snowmelt contributes more to the discharge than rainfall in the spring. The analysis of data shows a decrease in winter precipitation in the last 50 years causing a decrease in both winter and spring discharges and introducing changes in the distribution of streamflow throughout the year.