简介:Aformulaforthecomputationsoflocalscourdepthattheheadofspursisderivedaccordingtotheequilibriumprincipleofincipientmotionofsedimentparticle.Theproposedformulaisverifiedwithlaboratorydataandfieldmeasurements.Inthederivationofthisformula,twodifferentscourresistanceforces,thecohesiveforceandthegravitationalforce,areconsidered,andtheintegratedcoefficientiscalibratedusingdatafromtheLowerYellowRiver.