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近 5年来 ,乌鲁木齐 4号泉水中甲烷含量逐年呈趋势性降低。本文从泉点地质构造、水文地球化学环境入手 ,结合水文气象资料 ,分析并论正了甲烷逐年趋势性变化的原因
In the recent 5 years, the methane content of spring 4 in Urumqi shows a trend decreasing year by year. This article starts from the point geology tectonics and hydrogeochemistry environment, and combines the hydro-meteorological data to analyze and discuss the reason of the change of the yearly trend of methane