流域尺度的景观-水质模型研究进展

被引:8
作者
金卫斌 [1 ]
李百炼 [2 ]
机构
[1] 长江大学农学院
[2] 加利福利亚大学河滨分校植物科学系生态复杂性模型实验室
关键词
景观指标; 水质模型; 回归分析; 广义线性模型; 异速生长权度;
D O I
暂无
中图分类号
X824 [水质评价];
学科分类号
摘要
景观-水质关系的定量化研究对非点源污染评价非常重要。发达国家已推出许多功能强大的流域水文水质模型,为研究景观-水质机理提供了有效工具。在景观生态学领域,大多采用经验模型研究景观指标与流域水质间的关系,所采用的景观指标主要有土地类型面积比例、地形特征、廊道特征等,也有一些专门针对水质过程的格局指标;建模方法以线性模型中的回归分析为主。未来的机理模型将更多地考虑不同尺度模型之间的联系,经验模型将会重视广义线性模型方法的应用。鉴于异速生长权度指标已成功运用在许多研究领域,在刻画系统等级特征方面显示出了巨大潜力,有可能为研究景观-水质关系提供新途径。
引用
收藏
页码:72 / 77
页数:6
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