Geographical Research, Volume. 39, Issue 8, 1892(2020)

Flood risk assessment in Bangladesh, India and Myanmar based on the AHP weight method and entropy weight method

Yuanyuan LIU1...2, Shaoqiang WANG1,2,3,*, Xiaobo WANG1,2, Dong JIANG1,2, H Ravindranath N4, Rahman Atiq5, Mar Htwe Nyo6 and Vijitpan Tartirose7 |Show fewer author(s)
Author Affiliations
  • 1Key Laboratory of Ecosystem Network Observation and Modeling, Institute of Geographic Sciences and Natural Resources Research, CAS, Beijing 100101, China
  • 2College of Resources and Environment at University of Chinese Academy of Sciences, Beijing 100049, China
  • 3School of Geography and Information Engineering, China University of Geosciences, Wuhan 430074, China
  • 4Centre for Sustainable Technologies, India Institute of Science, Bangalore 560012, India
  • 5Bangladesh Centre for Advanced Studies, Dhaka 1212, Bangladesh
  • 6Yezin Agricultural University, Naypyitaw 15000, Myanmar
  • 7United Nations Environment Programme - International Ecosystem Management Partnership, Beijing 100101, China
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    Equations(13)
    H(x)=j=1i[wj×Hji(x)](1)

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    S(x)=j=1i[wj×Sji(x)](2)

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    V(x)=j=1i[wj×Vji(x)](3)

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    R(x)=wHH(x)×wSS(x)×wVV(x)(4)

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    对于正向指标,Yij=(Xi-Xmin)/(Xmax-Xmin)(5)

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    对于负向指标,Yij=(Xmax-Xi)/(Xmax-Xmin)(6)

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    Hi=-1lnnj=1nfijlnfij(7)

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    fij=-Zijj=1nZij(8)

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    wi=1-Hii=1m(1-Hi)(9)

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    wi=αwi'+βwi''(10)

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    d(w'i,wi)=12i=1n(w'i-wi)212(11)

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    D=α-β(12)

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    d(w'i,wi)2=(α-β)2α+β=1(13)

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    Yuanyuan LIU, Shaoqiang WANG, Xiaobo WANG, Dong JIANG, H Ravindranath N, Rahman Atiq, Mar Htwe Nyo, Vijitpan Tartirose. Flood risk assessment in Bangladesh, India and Myanmar based on the AHP weight method and entropy weight method[J]. Geographical Research, 2020, 39(8): 1892

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    Paper Information

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    Received: Aug. 8, 2019

    Accepted: --

    Published Online: Apr. 23, 2021

    The Author Email: Shaoqiang WANG (sqwang@igsnrr.ac.cn)

    DOI:10.11821/dlyj020190679

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