landslide management using geospatial technology (lmgt)

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Rating value for <strong>landslide</strong> hazard analysis (LHA)NoLandslide HazardIdentifications1 Geology2 Soil TypesFactors Parameter Lithology‣ Quaternary Alluvium (Clay, silt, sand & peat)‣ Arenaceous and argillaceous rocks, coal and calcareous beds‣ Argillaceous rocks; some arenaceous and calcareous beds‣ Argillaceous rocks; some arenaceous and calcareous rocks, and associatedchert, lava and pyroclastics‣ Mainly metamorphic rocks of amphibolite, gneiss and schist and associatedgranite, granodiorite and tonalite (Crystalline Basement)‣ Gabbro, dolorite, diorite and their fine-grained equivalents‣ Serpentinite, peridotite, dunite and pyroxenite‣ Granodiorite, diorite and granite Fault (distance)‣ < 10 m‣ 11 m – 50 m‣ 51 m – 99 m‣ > 100 m‣ Thionic fluvisols, dystric histosol and thionic gleysol‣ Dystric & eutric regosols, humic, dystric & eustric gleysols and gleyic podzol‣ Eutric fluvisol, gleyic, dystric & eutric cambisols, humic, dystric and eutricgleysols‣ Gleyic acrisols, gleyic luvisols, humic, dystrik and eutric gleysols‣ Humic, dystrik & eutric gleysols and dystric histosols‣ Dystric histosols and humic gleysol‣ Orthic, ferric & gleyic acrisols and gleyic podzol‣ Orthic, ferric and gleyic acrisols‣ Orthic acrisols and dystric cambisol‣ Orthic acrisols, chromic, dystric cambisol and lithosolRating Value15.013.011.010.08.07.06.05.05.03.51.50.510.09.08.07.06.05.04.03.02.01.0
(Cont’d)NoLandslide HazardIdentifications3 Slope Gradient4Hydrology andGeohydrology5 Types of land useFactors ParameterRatingValue‣ 60 o15.0‣ 0 o – 5 o 5.0‣ 31 o – 60 o12.5‣ 16 o – 30 o10.0‣ 6 o – 15 o7.5 Precipitation (monthly ave.)‣ > 300 mm‣ 201 mm – 300 mm‣ 101 mm – 200 mm‣ 41 mm – 100 mm‣ 0 mm – 40 mm Water runoff (distance)‣ < 5 m‣ 6 m – 10 m‣ 11 m – 15 m‣ 16 m – 20 m‣ > 20 m‣ Commercial sector‣ Residential sector‣ High education institutions & school‣ Industrial sector‣ Public infrastructure sector‣ Agriculture, forestry and others10.08.06.04.02.010.08.06.04.02.015.013.011.09.07.05.0
Page 1 and 2: LANDSLIDE MANAGEMENT USING GEOSPATI
Page 3 and 4: INTRODUCTION Landslide - Geohazards
Page 5 and 6: DEVELOPMENT ISSUES AND LANDSLIDE IN
Page 7 and 8: (Cont’d)Reality….?
Page 9 and 10: (Cont’d)IN SABAH….. ?
Page 11 and 12: (Cont’d)Karambunai ResortKg. Lok
Page 13 and 14: Landslide records in MalaysiaBil Ta
Page 15: LANDSLIDE MORPHOLOGYVarnes (1978)
Page 18 and 19: LANDSLIDE CAUSING FACTORSNatural Fa
Page 20 and 21: (Cont’d)Non-Natural Factors: Inco
Page 22 and 23: MATERIALS AND METHODS
Page 24 and 25: (Cont’d)LRM Cycles (Taubenb¨ock
Page 26 and 27: (Cont’d)
Page 30 and 31: (Cont’d)No6Landslide HazardIdenti
Page 32 and 33: RESULTS AND DISCUSSIONS
Page 34 and 35: (Cont’d)Geological mapLandslide d
Page 36 and 37: (Cont’d)Analysis results of rock
Page 38 and 39: (Cont’d)Analysis results of soil
Page 40 and 41: (Cont’d)Population Map (PM) Kota
Page 42 and 43: (Cont’d)Family of F-N curves by P
Page 44 and 45: (Cont’d)Definitions of "acceptanc
Page 46 and 47: (Cont’d)3. Due to its generalized

landslide management using geospatial technology (lmgt)

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