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基于EFDC模型的洱海水温模拟

张锦鹏 吴越 田泽斌 储昭升 袁静 侯泽英

张锦鹏, 吴越, 田泽斌, 储昭升, 袁静, 侯泽英. 基于EFDC模型的洱海水温模拟[J]. 环境工程技术学报, 2020, 10(3): 368-376. doi: 10.12153/j.issn.1674-991X.20190197
引用本文: 张锦鹏, 吴越, 田泽斌, 储昭升, 袁静, 侯泽英. 基于EFDC模型的洱海水温模拟[J]. 环境工程技术学报, 2020, 10(3): 368-376. doi: 10.12153/j.issn.1674-991X.20190197
ZHANG Jinpeng, WU Yue, TIAN Zebin, CHU Zhaosheng, YUAN Jing, HOU Zeying. Water temperature simulation of Lake Erhai based on EFDC model[J]. Journal of Environmental Engineering Technology, 2020, 10(3): 368-376. doi: 10.12153/j.issn.1674-991X.20190197
Citation: ZHANG Jinpeng, WU Yue, TIAN Zebin, CHU Zhaosheng, YUAN Jing, HOU Zeying. Water temperature simulation of Lake Erhai based on EFDC model[J]. Journal of Environmental Engineering Technology, 2020, 10(3): 368-376. doi: 10.12153/j.issn.1674-991X.20190197

基于EFDC模型的洱海水温模拟

doi: 10.12153/j.issn.1674-991X.20190197
详细信息
    作者简介:

    张锦鹏(1994—),男,硕士研究生,研究方向为水环境模拟分析,jpzhangcraes@163.com

    通讯作者:

    储昭升 E-mail: chuzs@craes.org.cn

  • 中图分类号: X524

Water temperature simulation of Lake Erhai based on EFDC model

More Information
    Corresponding author: CHU Zhaosheng E-mail: chuzs@craes.org.cn
  • 摘要: 洱海是处于富营养化初期的高原中深水湖泊,夏秋季节没有明显的温跃层,具有独特的水温垂向分布特点。为掌握洱海水位、水温等要素的变化规律,分析其可能造成的影响,采用环境流体动力学(EFDC) 模型建立了洱海三维水动力模型,并用拉丁超立方采样(LHS)和标准秩回归(SRR)方法对影响水温的重要参数进行了敏感性分析。结果表明:湖体水温对太阳短波辐射中的快速波占比(FSWRATF)和快速衰减系数(SWRATNF)2个参数的变化较为敏感,而对太阳短波辐射慢速衰减系数(SWRATNS)的敏感性较弱;洱海水温的空间分布主要呈南北方向变化,且随季节变化明显,春夏季水温自北向南递减,秋冬季水温南北低、中间高,这可能与洱海湖盆地形及出入流河口位置有关。洱海水温模拟结果较好地拟合了水温的弱分层现象,对解释洱海营养盐的垂向分布特征、藻华发生条件等具有重要意义。

     

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  • 收稿日期:  2019-11-22
  • 刊出日期:  2020-05-20

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