CHAPTER9–MASSWASTING

Testingyourknowledge.Answerstotheend-chapterquestions(fromthe15thedition)Question1

Question2a.Gravity;b.Water;c.triggers(pages208to210)Question3a.RateofMovement;b.TypeofMaterial;c.TypeofMovement(pages210to212)Question4DrawfourfiguresliketheonesinFigure9.3,page211inyourtextbook

Question5Inarotationalslide(orslump)movementoccursalongacurvedsurface;inatranslationalslidemovementoccursalongaplaneapproximatelyparalleltotheslopeofthesurface(page212)Question6Waterisacriticalfactorinmasswasting(page209).Seetheappropriatesection(Creep,page212;Flows,page213;Falls,page219;Slides,page220andalsoUnderwaterLandslides,page224)tocompletethisanswerQuestion7Seefigures9.4nd9.5,page212forananswertothisquestionQuestion8Adebrisflowisflowinvolvingsoilinwhichcoarsematerial(gravel,boulders)ispredominant(page216).Amudflowdiffersfromadebrisflowinthatfine-grainedmaterial(sand,silt,clay)ispredominant(page217)Question9SeeSolifluctionandPermafrost,pages214to216forananswertothisquestionQuestion10SeeFlows(page213)andSlides(page220toanswerthisquestion11.C12.A13.C14.A15.B16.A17.A18.D19.A20.A,C,D