水温变化特性对衡水湖湿地生态环境影响的分析

Analysis of Water Temperature Change Characteristics of Hengshui Lake Wetland Ecological Environment

衡水湖供水水源主要以汛期上游来水和外流域调水为主,调水时段多为每年冬季,水源供给时间相对集中。衡水湖水体水温与其他湖泊有所不同,在秋季、冬季和春季多高于一般性湖泊。通过实测资料对衡水湖内水温及气温变化规律进行分析研究,并与其他河流湖泊水体进行对比,阐明了水温变化对衡水湖湿地生态环境和水质的影响,为制定衡水湖生态系统发展规划提供科学依据。

Water supply resources of Hengshui Lake is mainly based on the the upper reaches and draw water diversion in flood season. The water diversion period is in winter every year. The concentration of water supply time leads to the differences of water quality and temperature between Hengshui Lake and the common lakes. The water temperature of Hengshui Lake is higher than the common lakes during autumn,winter and spring. The changing regulation of Hengshui lake water temperature and the temperature is analyzed with the measured data and compared with other rivers and lakes water body.It is illustrated how the water temperature change characteristics of Hengshui Lake wetland affects the ecological environment and water quality. And a scientific basis is provided for Hengshui lake ecological system development plan.