南四湖
南四湖位于中国山东省西南部，由南阳湖、独山湖、昭阳湖、微山湖四个湖泊组成，是中国第六大淡水湖泊[1]。南四湖也是南水北调东线工程最大的调蓄湖泊[2]。
地理特征
[编辑]南四湖的总流域面积为31700平方公里，湖区面积为1266平方公里，蓄水量达19.3亿立方米，湖区平均水深不足2米[1]。二级坝泵站将南四湖分成上、下级湖两部分，北侧为上级湖，南侧为下级湖[3]。上级湖占全湖面积的47.5%，承担着88.4%的流域面积的来水；而下级湖占全湖面积的52.5%，仅承担11.6%的流域面积的来水[1]。
在自然情况下，水流从上级湖经二级坝泄水进入下级湖，随后通过不牢河和韩庄运河进入中运河[4]。南水北调工程实施后改变了水流方向，输水从下级湖南端进入，经由二级坝泵站，最终在上级湖北端进入梁济运河[1]。
参考文献
[编辑]- ^ 1.0 1.1 1.2 1.3 南四湖消落带底泥有机磷赋存形态及分布特征. 湖泊科学. 20230831, 35 (5): 1647–1658. doi:10.18307/2023.0525.
- ^ Ren, Haoyu; Yao, Xin; Ma, Feiyang; Fan, Tuantuan; Deng, Huanguang; Zhang, Yinghao. Characterizing variations in dissolved organic matter (DOM) properties in Nansi Lake: a typical macrophytes-derived lake in northern China. Environmental Science and Pollution Research. 2021-11, 28 (41): 58730–58741. doi:10.1007/s11356-021-14266-x.
- ^ 南水北调东线调度对南四湖水质的影响. 湖泊科学. 20150323, 24 (6): 923–931. doi:10.18307/2012.0616.
- ^ Guo, Sen; Zhang, Yizhang; Xiao, Jieying; Zhang, Qiuying; Ling, Junhong; Chang, Baojian; Zhao, Guanglei. Assessment of heavy metal content, distribution, and sources in Nansi Lake sediments, China. Environmental Science and Pollution Research. 2021-06, 28 (24): 30929–30942. doi:10.1007/s11356-021-12729-9.
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