38 6 203 6 GeomaticsadIformatioScieceofWuhaUiversity Vol.38o.6 Jue203 67-8860(20306-0729-05 A ADCP,2 3 (, 29,430079 (2,,58057 (3, 8,430072 根据 3 种经典垂线流速分布模型, 推导出适合 ADCP 盲区流速计算的局部模型, 并基于模型内符合 精度及其与实际观测垂线流速的相关系数, 提出了根据不同时态和流态自适应确定盲区流速模型的思想和方法实验验证了所推导的盲区流速计算模型的正确性, 以及盲区流速最优推算模型自适应确定思想和方法的有效性和可靠性 ADCP 盲区 ; 流速模型 ; 垂线剖面 ; 单宽流量 P229.5 ADCP,z ;u z ; [],ADCP u * gz 0 J ;z 0 [2] ;J ;b,, [3-4], 2, [], Ke, [2-3] - [5-8], u u * k l z (2 z( 0,,k, 0.4 3 u m,c 0,, ADCP u m -u C u * 0 - z 2 (3 ( z0.2 ADCP., [9-0] (2, u * z 0 u 9.5 z b u z( * 0 (,,, u * /k,b-u * lz 0 /k, k, A u A lz+b (4 203-0-23 (476068,4097606 ; (JCYJ2020835303429; (202CYH05-04
730 203 6 (H ~z 2,.3 V T A(HlH -H+BH - (A(z 2lz 2 -z 2 +Bz 2 (5,H ADCP,z 2 R ε,(, (0~z V B A(lz -+B (6 R (V 2 i - 珚 2 V (H i -H - 2 i i u m u * z 0,A -C 0u * /z 2 0,B 2C 0u * /z 0,Cu m-c 0u *, (3 ε ( V i -V 0 i 2 /( - (4 u Az 2 +Bz+C (7 ; 珚 V (Az 2 +Bz+Cdz V T H z 2 AH 3 /3+BH 2 /2+CH -(Az 2 3 /3+Bz 22 /2+Cz 2 (Az 2 +Bz+Cdz V B z 0 z Az 2 /3+Bz /2+C (8 2 3 ε mi ( ε{ i} R max ( R{ i },, u * z 0,a (5 i,2,,, ( u az b (9 z ~z 2 z 2 az b dz a zb+ (0, z b+,, a zb+ 2 -z b+ b+ ( ADCP z 2 -z Δi j Δi V i -V i- (6 D c Δi, j a 2 -z b+ D(b+ c z b+ 2 -z b+ j (,D c, j V T V B,2009-03- RDI az b dz V T H z 2 D c (H b+ -z b+ 2 ( (z b+ 2 -z b+ az b dz V B z 0 z j D cz b+ z (z b+ 2 -z b+ j (2 ADCP,,, (V i - 珚 V(H i -H - i i (3, ;V i ;H i ; 珨 H ; V i0 R ε,, 3, ε R; 3 2,, 2 300kHzADCP G-DC ADCP ADCP,, G-DC 6 6,,
38 6 ADCP 73,, (d,,, (e -,, (a,, ε R,, (b ;, -, (f,,,, G-DC ε, (c G-DC ε(cm s - R Tab. εadridiferet-timecurretvelocity ModelsatG-DC ObservatioStatio a b c d e f ε 0.0 2.2.2 5.7 2.8. 0.6 2.4 R 0.96 0.87 0.99 0.99.00 0.97 0.97 0.99 ε.7.7 7. 3.8 9.3.5 0.2 2.6 R 0.99 0.92 0.8 0.90 0.96 0.95 0.99 0.98 ε.7. 4.8 5.5 3.0 0.9 0.2 2. R 0.99 0.97 0.99 0.99.00 0.97 0.99 0.99 ( Ⅰ;, ; 2 ( Ⅱ 2,, 3,, b e ;, 2,, 2 /cm s -, Tab.2 OutsideFitigAccuracyiDiferetModels, atg-dc ObservatioStatio(cm s - a b c d e f Ⅰ 4.0 4.5 3.7 2. 4.8 6.0 Ⅱ 3. 0.47 3.6 -.9.4 3.0 Ⅰ -.9 4.5 3.3 5.2-0.3 7.7 Ⅱ -.2.8.6 0.4 -.3 4.3, ( Ⅰ; ( Ⅱ, 3 3 Ⅱ Ⅰ 2%~26%;2 G-DC Ⅱ Ⅰ 2%~6%;3 Fig. Diferet-timeCurretVelocityProfilesat (, Ⅰ Ⅱ % G-DC ObservatioStatio ~8%,, b, Ⅱ
732 203 6 3 GYS-D mets,sadiego,usa,2000 Tab.3 G-DC ObservatioStatioUitDischarge CalculatioComparisoofDiferetTimes a b c d e f / Ⅰ 2.9 0.9 4.6 4.9 0.66 2.68 m 3 s - Ⅱ 3.4.2 4.8 5.2 0.86 2.73 / Ⅰ.2 0.5 0.5.3 0.9 0.83 m 3 s - Ⅱ. 0.4 0.5.2 0.8 0.78 Ⅰ 9.6 5.8 8.6 9.49 2.23 9.09 Q/m 3 s - Ⅱ 0.05 5.9 8.84 9.70 2.42 9.09 (Q Ⅱ -Q Ⅰ / 4.3 Q Ⅰ 00% -2.4.3. 8.5 0.0 Ⅰ, [5] Sog T,Graf W H.Uiform Ope-chaelFlow overaroughbed[j].jouralofhydrosciecead 2, - HydraulicEgieerig,994,2(-25 -, [6],., [J].,998,9(386-90 Ⅰ - [7] Bergstom DJ,TachieM F,BalachadarR.Appli- Ⅱ, - catioof Power Lawsto Low Reyolds umber, Boudary Layerso Smooth ad Rough Surfaces [J].PhysicsofFluids,200,3(3277-3284, [8] Sarma K,Lakshmiarayaa P,Rao.Velocity 3, DistributioiSmooth RectagularOpeChaels, Ⅱ [J].JouralofHydraulicEgieerig,983,09 Ⅰ (2270-279 [9]. ( [M]., 3,2003 [],., [J].,2005,22(4 8-, 3, [2]KeX,ColisM B.PoulosSE.VelocityStructure, adseabed Roughess Associated withitertidal (sadadmudflatsadsaltmarshesofthe Wash [J].JouralofCoastalResearch,994,0(3 702-75, [3]Smart G M. Turbulece Velocity Profiles ad ADCP BoudarySheariGravel-bedRivers[J].Jouralof, HydraulicEgieerig,999,25(206-6,,,,,, E-mail5324372@qq.com [] RDI. WiRiver User s Guide[R].RD Istru- [2] RDI.Acoustic DopplerCurretProfiler-Priciples ofoperatioapracticalprimer[r].rdistru- mets,sadiego,usa,996 [3] Gozález-CastroJA,Asar M,KelmaO.Com- parisoofdischargeestimatesfrom ADCP Tra- sectdata with Estimatesfrom Fixed ADCP Mea Velocity Data[C]. Hydraulic Measuremets ad Experimetal Methods Coferece, Colorado, USA,2002 [4] SL377-2006. [S].,2006 985 [0],. [M].
38 6 ADCP 733 AdaptiveDetermiatio MethodofOptimalCalculatio ModelofADCPDead-zoeFlowVelocity CHE Zhigao,2 ZHAG Hogmei 3 ZHAO Jiahu ( SchoolofGeodesyadGeomatics,WuhaUiversity,29LuoyuRoad,Wuha430079,Chia (2 ShezheReserch & DevelopmetCetre,StaleKeyLaboratoryofIformatioEgieerigiSuveyig, MappigadRemoteSersig,SouthKeyuaRoad,Shezhe58057,Chia (3 SchoolofPowerad MechaicalEgieerig,WuhaUiversity,8SouthDoghuRoad,Wuha430072,Chia AbstractAccordigto3typicalverticalflowdistributiocalculatiomodels,wededucethe calculatiomodelsadaptabletoadcpdeadzoeflow.othebasisoftherelatigcoeficiet betweetheiercoicideceprecisioofthemodelsadtheactualobservedverticalflow, wepropesetheself-adaptivemeasuredetermiigtheideologyadmethodtocalculatedead zoeflowuderdiferetteseadflowregime.theexperimetverifiesthecorrectessof thegivedeadzoeflowcalculatio modelsadself-adaptiveoptimalmodeldetermiatio ideologyadmethod. KeywordsADCPdeadzoe;flow model;verticalprofile;uitdischarge AboutthefirstauthorCHEZhigao,Ph.Dcadidate,majorsiacousticdopplercuretprofiler. E-mail5324372@qq.com 檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪 ( 上接第 728 页 ElipsoidExpasio MethodCosiderigElipsoidParalelMisaligmet aditsapplicatiotoprojectioplaetrasformatio WAG Lei GUO Jimig SHE Lili GAO Fesheg 2 ( SchoolofGeodesyadGeomatics,WuhaUiversity,29LuoyuRoad,Wuha430079,Chia (2 ajigurbaplaig &ResearchCeter,5GaojiajiuguaRoad,ajig20029,Chia AbstractThreeexistigmethodsarecompared,adaewelipsoidexpasiomethodco- sideredelipsoidmisaligmetisproposedbasedoaalyticgeometrytheory.theifluece omajorsemi-axisvariatio,statiolatitudevariatioadgaussiaplaicoordiatecaused byelipsoidmisaligmetisexamied.accordigtotheexperimets,theresultsfromthe proposedmethodadgeeralizedgeodesyderivatioequatio methodagree wel,adthe proposedmethodismoreituitive. Keywordselipsoidexpasio method;projectioplaetrasformatio;elipsoidparalel misaligmet;geodesy;distortioofprojectio AboutthefirstauthorWAGLei,Ph.Dcadidate.HisresearchigiterestsaregeodesyadGSSapplicatio. E-mailwl98637@gmail.com