Comprehensive evaluation method of flood risk based on mul ti2level gray system model - a case study in Poyang Lake Basin
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Abstract:
Floo d r isk assessment is a systematic pro cess with t he synerg y effects betw een mult iple factor s. Based o n the analy sis of flood r isk system, a compr ehensive flo od r isk assessment system w as co nstr ucted in consideratio n o f the fact ors including the disaster2inducing facto rs, disaster2inducing environment, and disast er bear ing bo dy f rom the perspect ive of flo od r isk evaluation. The data pro cessing advantag es o f gr ay cluster ing method and analytical hier archy pr ocess( AH P) w ere integ rated and a com2 prehensive evaluat ion method o f multi2 level g ray system w as pro po sed to adapt the flo od disaster r isk predictio n. T he method was applied in the Poy ang Lake Basin. The combinatio n of qualitative and quantitativ e analy sis of the flo od r isk system in the Poy ang Lake Basin can pro vide reference for the compr ehensive evaluat ion of floo d r isk in the basin.
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