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    Pemetaan Zona Rawan Banjir Rob di Wilayah Medan Utara Dengan AHP dan GIS

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    Date
    2019
    Author
    Saputra, Novrizal Ardian
    Advisor(s)
    Mulia, Ahmad Perwira
    Nasution, Zaid Perdana
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    Abstract
    Tidal floods that occur in the North Medan area due to overflowing of sea water when the tide enters the land, both directly and through river floods. The land area affected by tidal floods is getting wider and wider, so there needs to be an analysis of the level of vulnerability of tidal flooding so that the handling and prevention efforts can be on target. Determination of zonation with the level of tidal flood hazard involves various criteria, for this reason the AHP and GIS integration method is used to make rational decisions from several criteria and draw them on a zoning map. The results obtained in the North Medan area showed that 1,546.89 ha (16.39%) had high to very high levels of vulnerability, while 4,411.92 ha (46.83%) had moderate levels of vulnerability to tidal flooding.
     
    Banjir rob yang terjadi pada area Medan Utara dikarenakan luapan air laut ketika pasang yang masuk ke daratan, baik secara langsung maupun melalui luapan air sungai. Area daratan yang terdampak banjir rob semakin lama semakin luas, sehingga perlu ada analisa terhadap zonasi tingkat kerawanan terjadi banjir rob agar upaya penanganan dan pencegahan dapat tepat sasaran. Penentuan zonasi dengan tingkat kerawanan banjir rob ini melibatkan berbagai kriteria, untuk itu digunakan metode integrasi AHP dan GIS agar dapat mengambil keputusan yang rasional dari beberapa kriteria serta menggambarkannya pada sebuah peta zonasi. Hasil yang didapatkan pada area Medan Utara bahwa 1.546,89 ha (16,39%) mempunyai tingkat kerawanan tinggi hingga sangat tinggi, sedangkan 4.411,92 ha (46,83%) memiliki tingkat kerawanan yang sedang terhadap banjir rob.

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    http://repositori.usu.ac.id/handle/123456789/20195
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    • Master Theses [246]

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    Repositori Institusi Universitas Sumatera Utara (RI-USU)
    Universitas Sumatera Utara | Perpustakaan | Resource Guide | Katalog Perpustakaan
    DSpace software copyright © 2002-2016  DuraSpace
    Contact Us | Send Feedback
    Theme by 
    Atmire NV