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Potential impact of climate change on water quality in the Huai River: an analysis of trends from 1959 to 2008

机译：气候变化对淮河水质的潜在影响：1959年至2008年的趋势分析

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摘要

Historical observations and model simulations have suggested that climate change can significantly affect the hydrology of the Huai River, the sixth largest river in China. However, relatively little is known regarding the effect of climate change on water quality. Climate change trends including air temperature, precipitation, evaporation and runoff were assessed at four typical stations along the Huai River and were analysed by the Mann-Kendall test for statistical significance. The annual mean air temperature increased significantly, along with a significant decrease in evaporation. No significant increasing or decreasing trends were found for precipitation or runoff. Water quality did not change significantly but the concentrations of major ions increased to some extent. Ammonium (NH_4-N) and chemical oxygen demand (COD_(Mn)) appeared to increase with lower flow; however, these variables are more likely controlled by pollutant content in effluent drainage.
机译：历史观察和模型模拟表明，气候变化会显着影响中国第六大河流淮河的水文学。但是，关于气候变化对水质的影响知之甚少。在淮河沿岸的四个典型站点评估了包括气温，降水，蒸发和径流在内的气候变化趋势，并通过Mann-Kendall检验分析了其统计意义。年平均气温显着升高，而蒸发显着下降。没有发现降水或径流的明显增加或减少趋势。水质没有明显变化，但主要离子的浓度有所增加。铵（NH_4-N）和化学需氧量（COD_（Mn））随流量降低而增加；但是，这些变量更可能由污水排放中的污染物含量控制。

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  • 来源
  • 会议地点 Melbourne(AU);Melbourne(AU);Melbourne(AU)
  • 作者

    FADONG LI; SHUAI SONG; ZHENZHONG SUN; QIANG LIU; XIANGDONG WU; GUANGSHUAI ZHAO;

  • 作者单位

    Key Laboratory of Ecosystem Network Observation and Modeling, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China;

    Key Laboratory of Ecosystem Network Observation and Modeling, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China Graduate University of Chinese Academy of Science, Beijing 100049, China;

    Key Laboratory of Ecosystem Network Observation and Modeling, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China Graduate University of Chinese Academy of Science, Beijing 100049, China;

    Chang an University, Xi'an 710064, China;

    Chang an University, Xi'an 710064, China;

    Key Laboratory of Ecosystem Network Observation and Modeling, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China Graduate University of Chinese Academy of Science, Beijing 100049, China;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 水质评价;
  • 关键词

    climate change; water quality; huai river; China;

    机译：气候变化；水质；淮河中国;

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