基于自动监测的柳州鸡喇地下河水质变化特征
Regime of water quality in Jila Subterranean River in Liuzhou based on automatic monitoring
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摘要: 根据水质自动监测系统数据,对柳州鸡喇地下河系统水动态变化规律及地下河出口水污染特征进行了讨论与分析。结果表明,鸡喇地下河水质呈现明显的24小时周期变化,且滞后于居民生活用水时间12小时,而Cl-与氨氮浓度变化并不一致,存在6个小时的相位差,说明Cl-不仅仅来自生活污水,可能与含无机氯的工业废水间歇性排放有关。水质自动监测可为水环境管理、水资源利用等提供决策依据,且在西南岩溶区水资源评价中具有更重要的使用价值。Abstract: The data of auto-monitoring system is used to discuss and analyze the regime of karst groundwater and the contaminate features of water quality in Jila Subterranean River mouth. The results show that there is24-hour change period in water quality, which lags for12 hours behind the resident domestic water discharge. Whereas, the change in concentrations of Cland ammonia nitrogen is of6 hours phase difference, which proves that the origin of Cl-not only comes from domestic sewage but also intermittent industrial waste water discharge. The automatic monitoring to water quality can provide decision-making supports to water environment management and water resources application, and play more important role on karst water resources evaluation in southwest China Karst Area.
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Key words:
- automatic monitoring to water quality /
- pollution /
- subterranean river /
- Liuzhou
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