刘延龙,张保华,姚昕,张怀珍,冯若昂

• 1:聊城大学环境与规划学院
• 2:中国科学院南京地理与湖泊研究所湖泊与环境国家重点实验室

摘要(Abstract)：

针对传统水体透明度测量方法不仅耗时费力,而且在时间和空间的监测中也会受到很大的限制,只能了解研究区域内点状剖面的透明度状况,但是遥感技术的发展为解决传统采样方法的局限性问题提供了可能。该文在分析内陆湖泊水体光学特征的基础上,利用三期Landsat8 OLI影像数据及准同期的地面实测数据,寻找与东平湖水体透明度敏感的波段,对东平湖丰、平、枯水期水体透明度的进行遥感反演研究。结果表明,OLI影像B3、B4波段的反射率与实测的透明度数据之间具有良好的相关关系,并以此为基础建立了该区域水体透明度遥感反演模型。结果表明:模拟值与实测值的总体相对误差为19.77%,均方根误差为19.35cm,模型精度在可以接受的范围之内;由于受围网养殖、叶绿素a含量等因素的影响,东平湖透明度总体呈现出南低北高的分布趋势。据此绘制了东平湖丰、平、枯水期水体透明度分布图。

关键词(KeyWords)： 水体透明度;东平湖;Landsat8 OLI;遥感反演

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(41301544);; 中国博士后科研基金项目(2015M571831);; 岩溶动力学重点实验室基金项目(KDL201506);; 山东省自然科学基金项目(ZR2012DQ003)

作者(Author): 刘延龙,张保华,姚昕,张怀珍,冯若昂

DOI: 10.16251/j.cnki.1009-2307.2018.07.012

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