授課教授 : 鄭皆達 老師 學號 : 79842019 報告人 : 陳則佑
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Transcript of 授課教授 : 鄭皆達 老師 學號 : 79842019 報告人 : 陳則佑
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Landslides (2009) 3:181-194Diana Salciarini Jonathan W. Godt Pietro Conversini Rex L. Baum John A. Michael: :79842019:
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TRIGRSTRIGRSTRIGRS
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22.77~27.63mm69.13~79.68mm
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(//)(mm)11996/11/2031.221999/2/1040.431999/4/1723.442000/8/3128.4
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50m(5m*5m)
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300m~1300m
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= C = = tZdlb = W = S =
TRIGRS 2002 4 Richards equations
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= = = KL = (xy)KZ =
xyEq. (2)D0 = Ksat/C0Ksat = D0 =C0 =D1 = D 0/cos2 Z= z/cos Z =z =
Eq. (3)Eq. (5)
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TRIGRSBaum et al.
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TRIGRSDTMTRIGRS
()
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()
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()
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()
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()
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()
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dlb
dwtdlb (dwt-dlb)/dlb * 100%25%
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()dwt=25%dlb
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(dwt=25%dlb
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()dwt=25%dlb
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()dwt=25%dlbOK
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()dwt=0%dlb
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()dwt=50%dlb
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()dwt=100%dlb
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3
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80%TRIGRS
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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
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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