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1、SyllabusAppliedGeophysicsInstructor:JinfengMaCourseTexts:•AppliedGeophysics,1990,SecondEdition,W.M.Telford,L.P.Geldart,R.E.Sheriff.CambridgeUniversityPress.Chapter1.Introduction6lecturesGeneral•Objectivesandoutlineoftheprogram•Historicalbackgroundofthedifferentgeop
2、hysicaltechniques•Significanceandscopeoftheapplicationofthespecificgeophysicalmethods•Reviewoftherelevantreferenceliteratureandprominentscientificjournals•Keycommonconcepts:Vectors,fields;Timeandspatialseries,Z-andFouriertransforms,Aliasing,Dynamicrange•Convolution
3、,Cross-andAutocorrelation,filtering•SignalandnoiseWavefrontsandrays•Traveltimes•Reflected,refracted,transmitted,andheadwaves•Huygerfsprinciple,Diffraction•Fermatprinciple•Snell'slaw•GeometricalspreadingSeismicWavesMechanicalpropertiesofrocks,laboratoryandinsitustre
4、ss-strainrelationships•Importancetomodemengineeringapplications,effectsoflithology,density,porosity,temperature,anddepthsofburial•Elasticwavetheory-scalarandfullwaveequations,generalaspectsofwavepropagation(lecture)•Bodywaves,PandSwaves•SurfacewavesRayleigh,Love,St
5、onely-coherentnoiseorengineeringtools•Anisotropicmatter-effectsonwavepropagation•WavesinlayeredmediaChapter2.AVOandRockphysicstheory6lecturesAmplitudeversusoffset(angle)•AVCXreflectioncoefficient•Convertedwave(P-SV)•Zoeppritzequation,ClassIIIgassand•Shuey'sapproxim
6、ation,AVOinterceptandgradient•DifferentAVOcrossplotsRockphysicstheory•Seismicvelocity,relationshipbetweenAVOandrockphysics•Gassmann'sequation,WyllieTime-Averageequation•WoocTsequation,Fluidsubstitution•Mineralbulkmodulusandbulkmodulusofporefluids•CO2,brine,oilandga
7、sbulkmodulus•FactorsinfluenceseismicvelocityChapter3.RefractionMethods8lectures•PhysicalPrinciples•Surveyprocedures,onshore/marine,persormel,legalconsiderations•Applications:exploration,engineering,environmentandcrustalenvironments•Targetrelatedfieldsurveydesignmet
8、hods•Interpretationtechniques,hiddenlayer•LayeredRefractorModel•DippingRefractorModel•Plus-minusmethodforanirregularrefractor•GeneralizedReciproc
