ENC电子海图符号说明.pdf

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1、ENCSymbolExplanationAdditionalInformation5011ENCSymbolExplanationAdditionalInformation5011RefRefGenericisolateddangersymbol–withlessWreck,rockorobstructionKIndicatesthatanadditionalTheinformation,noteorgraphiccandepththanuser-selectedsafetycontourorinformationnoteorp

2、icturebefoundusingcursorenquirywherethedepthisunknownfileisavailableSoundingoflowaccuracyEquatestosoundingofI2doubtfuldepthI14Non-tidalcurrentdirectionH426starsA1Allsignificantseafloorfeaturesdetected;veryhighaccuracysurveySpringtide–EbbH415starsA2Allsignificantseafl

3、oorfeaturesdetected;highaccuracysurveyFloodH404starsBUnchartedfeaturesdangeroustonavigationarenotexpectedbutmayLightvessel/lightfloatP6exist;mediumaccuracysurveyQ303starsCDepthanomaliesmaybeexpected;lowaccuracysurveyorpassagesoundingsDaymarksQ82-2starsDLargedepthanom

4、aliesmaybeexpected;poorqualitydata126UUQualityofbathymetryyettobeassessedNewObject–PointNewtypeoffeaturenotyetknowntoECDIS–furtherinformationCautionareawhereaspecificcautionnoteRefertocursorenquirytoN64NewObject–Lineavailablebycursorenquiryappliesaccessadditionalinfo

5、rmationNewObject–AreaRefertoECDISChart1formoreexamplesSymbolsettingonECDISFordetailsoftheIALAMaritimeBuoyageSystem.RefertoNP735DredgedareadeeperthansafetycontourRefertocursorenquiryforI20SimplifiedTraditionalmoreinformationDarkerblueindicateswatershoalerthanLateralbe

6、acons–red/greenIALAapplicablesystemsafetycontourLateralconicalbuoysIALAapplicablesystemQ130.1VerticallinesindicateareasofcharteddataatZoomoutuntilverticallines-red/green,accordingtosignificantlysmallerscalethanmaindisplaydisappeartoviewatscaleapplicableIALAsystemappr

7、opriatetodataLateralcanbuoys–red/greenIALAapplicablesystemQ130.1IndicatesboundarybetweenIALAAandBSeeNP735ABABbuoyagesystemsCardinalmarksnorth/east/Q130.3south/westIsolatedqueryindicatesinsufficientQuerymayappearaloneataQ80informationtosymbolisethefeaturepoint,onaline

8、orinadefinedH40-area.Furtherinformation43IsolateddangermarksQ130.4????QueryassociatedwithsymbolindicatesmaybeobtainedfromcursorM27.