授課教授 : 鄭皆達 老師 學號 : 79842019 報告人 : 陳則佑

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Landslides (2009) 3:181-194 Diana Salciarini Jonathan W. Godt Pietro Conversini Rex L. Baum John A. Michael 授授授授 授授授授 : : 授授授 授授 授授授 授授 授授 授授 : : 79842019 79842019 授授授 授授授 : : 授授授 授授授

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Modeling regional initiation of rainfall-induced shallow landslides in the eastern Umbria Region of central Italy. Landslides (2009) 3:181-194 Diana Salciarini . Jonathan W. Godt . Pietro Conversini . Rex L. Baum . John A. Michael. 授課教授 : 鄭皆達 老師 學號 : 79842019 報告人 : 陳則佑. 前言. - PowerPoint PPT Presentation

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  • Landslides (2009) 3:181-194Diana Salciarini Jonathan W. Godt Pietro Conversini Rex L. Baum John A. Michael: :79842019:

  • TRIGRSTRIGRSTRIGRS

  • 22.77~27.63mm69.13~79.68mm

  • (//)(mm)11996/11/2031.221999/2/1040.431999/4/1723.442000/8/3128.4

  • 50m(5m*5m)

  • 300m~1300m

  • = C = = tZdlb = W = S =

    TRIGRS 2002 4 Richards equations

  • = = = KL = (xy)KZ =

    xyEq. (2)D0 = Ksat/C0Ksat = D0 =C0 =D1 = D 0/cos2 Z= z/cos Z =z =

    Eq. (3)Eq. (5)

  • TRIGRSBaum et al.

  • TRIGRSDTMTRIGRS

    ()

  • ()

  • ()

  • ()

  • ()

  • ()

  • dlb

    dwtdlb (dwt-dlb)/dlb * 100%25%

  • ()dwt=25%dlb

  • (dwt=25%dlb

  • ()dwt=25%dlb

  • ()dwt=25%dlbOK

  • ()dwt=0%dlb

  • ()dwt=50%dlb

  • ()dwt=100%dlb

  • 3

  • 80%TRIGRS

  • Modeling regional initiation of rainfall-induced shallow landslides in the eastern Umbria Region of central Italy* - [11] *3001300m2200m

    *830~944mm/year11126763.16~78.6822.77~27.63

    *The landslide inventory map and historical rainfall for the study area

    800m25~303000~16000m3

    6

    Forsivo 2101999 7 10 16800m25~303000~16000m3

    6

    Forsivo 2101999 7 10 16

    **TRIGRS

    TRIGRS(after Iverson 2000;Godt 2004)TRIGRS(Iverson 2000; Baum et al. 2002; Savage et al. 2003, 2004). IdwtzZ=z cos()

    FS>1FS=1 FS