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利用博斯腾湖1955-2010年间水位资料,开都河1955-2010年大山口站和焉耆站径流量资料采用四分位数法和对比分析方法评价了博斯腾湖与开都河近50多a来水位变化特征与径流特征变化。研究结果表明:1博斯腾湖低水位集中出现在1984-1994年和2008-2010年两个时期,高水位主要出现在1955-1965年和2000-2004年间,其他时期基本水位适中。2开都河大山口与焉耆两处河流径流特征在不同时段内,逻辑包含关系出现不一致,甚至出现逆向包含的关系。3博斯腾湖水位高、中和低的分类结果开都河径流丰枯情况在时间分布上并不一致,博斯腾湖水位变化是受开都河径流多年累计变化的结果,呈现明显的滞后性。
Based on the water level data of Bosten Lake from 1955 to 2010 and the runoff data of Dashankou and Yanqi from 1955 to 2010 in Kaidu River, the change of water level in Bosten Lake and Kaidu River over the past 50 years was evaluated by quartiles method and comparative analysis And runoff characteristics change. The results show that: 1 The Bosten Lake low water level concentrated in 1984-1994 and 2008-2010 two periods, high water level mainly occurred in 1955-1965 and 2000-2004 years, the basic water level was moderate in other periods. 2 The characteristics of runoff in the two major rivers and the Yanqi in the Kaidu River In different periods, there are inconsistencies in the logical containment and even reverse containment. 3 Classification results of high, low and medium water level in Bosten Lake The results show that the change of water level in Bosten Lake is caused by years of cumulative runoff changes in the open river, showing obvious lag.