水下地形与淤泥厚度测量

第29卷第3期2006年06月测绘与空间地理信息GEOMATICS&SPATIALINFORMATIONTECHNOLOGYVo.l29,No.3Jun.,2006:2006-05-08:(1968-),,,2004,王毅(湖南省测绘产品质量监督检验授权站,湖南长沙410007):目前,我国湖泊污染问题十分严重,主要是水质污染和淤泥污染,且湖泊测绘资料比较缺少本文就某湖泊的整治作一阐述,较详细说明水下地形与淤泥厚度测量原理及方法同时说明湖泊整治的重要性和迫切性:水下地形测量;淤泥厚度测量;水质污染;淤泥污染:P228.3:B:1672-5867(2006)03-0110-04SurveyingonUnderwaterTopographyandSludgeThicknessWANGYi(TheSurveyingandMappingProductQualitySupervisingandInspectingStationofHunanProvince,Changsha410007,China)Abstract:Atpresent,thepollutionissuesoflakeinChinaareveryserious,suchasthepollutionofwaterqualityandsludgepollu-tion.Andthesurveyingandmappingdataoflakearelackingforthemanagementoflake.Thispaperdiscussedtherenovationofalakeandexpatiatedtheprincipleandmethodsofsurveyingonunderwatertopographyandsludgethickness.Italsopresentedtheim-portanceandimpendencetorenovatelake.Keywords:surveyingonunderwatertopography;surveyingonsludgethickness;pollutionofwaterquality;sludgepollution0,,,,,,(),,11.1GPSGPS,:GPS,GPS,GPS,,,;1.2,C(),,,t,()H:H=12CtC,t,C()t(),1.3,,,,(h_LF)(h_HF),()(),,,,,dh=h_LF-h_HF,,22.1,,,C()(:):C=1449.2+4.6%-0.055T2+0.00029T3+(1.34-0.01%)(S-35)+0.017D:C(m/s),T(),S(),D(m)1,4.6m/s3:0.4%,,:GPS,GPS,,L,Ss=LsinHH=L-H=L(1-cos)SHL,8,,44,L1,,2m,21Tab.1TherelationshipbetweenthechangesoferrorcausedbywavesandthelengthofpoleL(m)12345S(m)0.070.140.210.280.35H(m)0.0020.0050.0070.0100.0122.1(),,3%,,,,,:H=Z(x,y)jk=0ki=0k,ixk-iyi,(j=2,3...)Vi=Mi-Hi,v,3,,,,,111第3期:3,,3.1,,,GPS,(),3.215000(SGH1),,TCA2003,GPS254,54,2(:-54)2Tab.2ThecoordinatesofcontrolpointsX(m)Y(m)H(m)SGH13381422.000533418.00023.100SGH23381687.115533311.54422.259SGH313381236.341533441.38021.591SGH323381236.209533441.90821.588SGH43380982.131533600.37720.692,:21.10m19.94m4,,,,,,,,,Trmible5700GPSDF-3200MKII,Hypack8.11s,,,15,7,GDOP3(1:500),DF-3200MKIIODOM2,200000Hz7.524000Hz25,2(,16),,,4.1Hypack8.1,,,,,,:(Cosa_sxdxcc)4.2,EPS98,,,,,112测绘与空间地理信息2006年4.3TINTINDTM,TIN,TIN3,,DTM,TIN,,TINMicrostationSiteworkGPS,,Sitework,TIN,4.4,TIN,31TIN;2TIN3,,3.3m,1.5m75%,1m98%3Tab.3Thecalculationresultsofsludgecapacity1167000m3172000m32169000m3172000m31.4m1.1m3.3m3.0m0.5m0.2m1.5m75%4%1.0m98%88%53,GeoDem4.03312313Fig.1The3DvisualizationmodelofunderwatertopographyofJiaLake23Fig.2The3DvisualizationmodelofunderwatertopographyofYiLake:[1],,.[J].,2004.[2],.[J].,2003(5).[3].320M[J].,2002(4).[4],.[J]..1999(4).[5],,.[J].,1998(4).[6].[J]..2003.[7],.GPS[J]..2002.2[8],.GPSRTK[J]..2000(3).[:]113第3期: