太湖平原区河网结构变化对调蓄能力的影响

王跃峰, 许有鹏, 张倩玉, 李广, 雷超桂, 杨柳, 韩龙飞, 邓晓军

Influence of stream structure change on regulation capacity of river networks in Taihu Lake Basin

Yuefeng WANG, Youpeng XU, Qianyu ZHANG, Guang LI, Chaogui LEI, Liu YANG, Longfei HAN, Xiaojun DENG

表2 1960s-2010s武澄锡虞地区水系河网结构变化

Tab. 2 Changes of stream structure in the Wuchengxuyu region from the 1960s to 2010s

河网水系指标 1960s 1980s 2010s 1960s-1980s变化率(%) 1980s-2010s变化率(%) 1960s-2010s变化率(%) 河网密度(km/km2) 3.55 3.35 2.88 -5.63 -14.03 -18.87 水面率(%) 6.10 5.60 4.60 -8.20 -17.86 -24.59 盒维数 1.71 1.68 1.58 -1.75 -5.95 -7.60