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1、OntheHydrographicalSurveySchematicofSouthernChannelofTianjinportAbstractHydrographicalsurveyisakeysegmentofchanneldigging,itisveryimportantfortheproperorganizationofchanneldigging,qualitymonitoringandcontrolling,controllingofprocess,andsoon.Precisechannelsurveyisofsignificance,itcanpr
2、ovidereliabletechnicalinsurance,anditcanalsogivevaluabledatatothecalculationofengineeringquantityaswellasconstructionofnavigationalaids,dredgingofchannel,andpublicationofhydrographicchart.Now,marinesurveyiseasier,moreflexible,andmoreprecisewiththeusingofGPS.Thispapermakesadeepstudyonh
3、ydrographicalsurveyschemeofsouthernportofTianjin.Thecontentofstudyincludesthecurrentsituationofchannelsurvey,nationalandinternationalrequirementsonchannelsurvey,comparingofthreetypicalsoundinginstruments.Ananalysisonthelocation,hydrographiccondition,meteorologicalconditionandnavigatio
4、nconditionismade.ThenitpresentsthatOctofeveryyearisthemostsuitableperiodforthesurveyofthisport.Amethodforchannelsurveyisprovidedaccordingtothedirectionofthischannelaswellasconstructionprogram.Atthesametime,theimportanceofpreparationforchannelsurveyispointedout.Themajorcontentofthispap
5、erisshownasfollowing:(1)ThispaperpresentsthatthemostsuitableinstrumentforthesurveyofsouthernportofTianjinisthemulti-beamechosounder,SeaBeam1180,andthatOctofeveryyearisthemostsuitableperiodforthesurveyofthisport.(2)Accordingtothedirectionofchannel,thearrangementofsoundingwiresisgiven.A
6、ccordingtothecharacteristicofSeaBeam1180,theintervalandoverlappingbreadthofsoundingwiresisdetermined.(3)Inordertolowertheerrorinthesurvey,thepreparationisanalyzedaswellastherequirementsofthepreparations.(4)Constructionprogramandfinal-periodmanagementincludingthemonitoringofdraft,seast
7、ateanddatacollectionaswellasanalysisandhandlingofdataisdesigned.Keyword:hydrographicsurvey,themulti-beamechosounder,soundingwire,dataacquisitionII目录第1章绪论.................................................................................................................................11.
8、1课题研究
