基于景观生态学的城市化背景下洪灾风险评估

袁玉, 方国华, 陆承璇, 颜敏

Flood risk assessment under the background of urbanization based on landscape ecology

YUAN Yu, FANG Guohua, LU Chengxuan, YAN Min

表2 HEC-HMS模型模拟11场洪水的评价指标结果

Tab. 2 Summary of calibration and validation results for simulation at daily step

	洪号	景观分布年份	R	NSE	D_v(%)	D_p(%)
率定期	19870630	1988	0.96	0.91	3.53	-9.23
	19930618	1994	0.94	0.86	25.44	0.39
	20030626	2003	0.98	0.87	22.88	12.84
	20080615	2010	0.99	0.99	7.66	3.85
验证期	19870819	1988	0.95	0.81	18.27	13.64
	19910629	1988	0.83	0.80	-3.81	20.21
	19960623	1994	0.99	0.89	29.32	2.60
	19990622	1999	0.95	0.82	29.25	7.87
	20020618	2003	0.98	0.96	-0.29	-6.95
	20060718	2003	0.98	0.89	21.11	19.50
	20150712	2017	0.95	0.88	0.77	-7.36