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Position: Home > Articles > Morlet wavelet analysis of precipitation over 60 years in Urumqi River Basin Water Resources Development and Management 2018 (3) 70-72

乌鲁木齐河流域60余年降水量的Morlet小波分析

作  者:
徐继红
单  位:
新疆塔里木河流域希尼尔水库管理局
关键词:
Morlet小波;多时间尺度;降水量;乌鲁木齐河流域
摘  要:
研究区域降水量的变化规律对水资源的高效利用和旱涝灾害防治具有重要意义。本文根据乌鲁木齐气象站1951—2014年的降水量数据,结合统计检验方法、Morlet小波分析法对降水时序进行了统计特征研究。结果表明:乌鲁木齐河流域全年降水量未来均以偏枯为主,年降水量周期主要受春夏季降水量周期的影响。
译  名:
Morlet wavelet analysis of precipitation over 60 years in Urumqi River Basin
作  者:
XU Jihong;Xinjiang Tarim River Basin Shinier Reservoir Authority;
关键词:
Morlet wavelet;;multi-time scale;;precipitation;;Urumqi river basin
摘  要:
It is of great significance to study the change law of areal precipitation for the efficient utilization of water resources as well as drought and flood disasters control. In the paper,statistical test method and Morlet wavelet analysis method are combined for studying statistical characteristics of precipitation timing according to the precipitation data of Urumqi Meteorological Station from 1951 to 2014. The results show that the annual precipitation in Urumqi River Basin is dominated by the declination,and the annual precipitation cycle is mainly affected by the precipitation cycle of spring and summer.

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