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休闲潜水RecreationalSCUBADivingTopicsofDiscussion•SCUBA–Itsmeaningandhistory•Equipment•Howtodive/typesofdives•Afteryoulearn,whatthen?•Healthandsafety•Divesitesandstatistics•SummaryWhatDoesitMean?History?•SCUBA–SelfContainedUnderwaterBreathingAparatus•Longhistorydatingbackfrom332BC•Modernfins,maskandsnorkeltubesweredevelopedbyfishermenfromAmerica,Russia,FranceandEnglandinthe1920sand1930sHistorycontinued•RecreationalSCUBADivingbeganbetween1942-1943,afterEmileGagnanandCaptainHacques–YvesCousteaudevelopedtheself-contained“Aqua-Lung”andnewregulatorthatwasautomatic.•Cousteautookmanysuccessful,experimentaldiveswithhisfriends,wifeandtwosons,makingthisanexperimentalfamilytripandexperience.Equipment•Mask-Devicecoveringeyesandnose,allowingyoutoseeunderwater•Fins–Deviceputonthefeettoextendthekickingmotionunderwater.Equipmentcontinued•BCDorBC–(Buoyancycompensatordevice)Device/jacketthatcontrolsbuoyancyupordown•Regulator–DevicethatdeliversairtoyouondemandatreducedpressureEquipmentcontinued•Pressuregauge–(SPG-SubmersiblePressureGauge)Devicethattellsdiverhowmuchairtheyhaveleft•Weights–LeadweightsusedtoweighdowndiversfordepthdecentEquipmentcontinued•Snorkel–Deviceusedtobreathairclosetooronthesurfaceofthewater•Bodysuit–WarmtemperaturesuitthatprotectsthebodyagainstabrasionsandstingsEquipmentcontinued•Wetsuit–Insulatedsuitusedtokeepthebodytemperaturein•Drysuit–UsedtokeepthediverdryandwarmincoldertemperaturesEquipmentcontinuedGlovesHoodBootsKnifeAircylinderOrtankLightWatchScooterRecommendeddivingapparelTemperature•High80s•80º-90ºF•75º-80ºF•70º-80ºF•50º-70ºF•Below50ºFWhattowear-ALycrabodysuit,ashorty,oradivejacket(thetopofatwo-piecesuit)-Ashorty,adivejacket,orafull-length,one-piece,3mmwetsuit-A3mmone-piecejumpsuit,oratwo-piecewetsuit-A5mmfull-lengthwetsuit,atwo-piecewetsuit,oradrysuitwithlightweightinsulatinggarments-A7mmfull-lengthtwo-piecewetsuitwithglovesandhood,oradrysuitwithinsulatinggarments-Adrysuitwithinsulatinggarments,hood,glovesormitts,andpossiblyfacemaskHowtodive/typesofdives•Typesofdives–Boat,shore,pier•Howtoenterthewater–ifonshore,walkintothewaterwithoutfins,thenputthemoninthewater-Ifenteringroughwater,putfinsonandwalkinbackwards•Ifonaboatorpier1.GiantStride2.Backwardroll3.ControlledSeatedentry4.GroupentryHowtodive/typesofdivescontinued•Decent•Travelunderwater•Handsignals•AscentOthertypesofdives–•Seawater,Freshwater,Wreck,Cave,Night,DriftandIceAfterYouLearn,thenwhat?LevelsofSpecifications•Pre-openwatercertification–OpenWaterCertified•Non–professionalcertification–AdvancedSCUBAdiverandMasterSCUBAdiver•Professional–Divemaster,Skin-divinginstructor,assistantinstructorandInstructor•Specialtiesopentorecreationaldivers–Underwaterphotographyorvideography,wreckdiving,nightdiving,boatdiving,icediving,caverndiving,drysuitdiving,Nitroxdiving,searchandrecovery,careerdiver,etc.HealthandSafety–thehazardsofdiving•Howsoontoflyafterdiving–oldvs.newphilisophy•DCS–Epidermalorcutaneous,muscular,jointandlimbpainandneuroligical•Hypothermia•Hyperthermia•Cramps•Overexertion•NitrogenNarcosis•Overexertion•NitrogenNarcosis•Carbonmonoxidepoisoning•Gastrointestinalbarotrauma•Heartproblems•Earinfections•NosebleedsBreathingproblemsDehydrationDivingwhilepregnantDivesites•Worldwide:Papua,NewGuines,EgyptionRedSea,GalapagosIslands,Equador,GreatBarrierReef,Australia,TheMaldives,India,GreatWhiteWall,Fiji,BunhakenIsland,Indonesia,BlueCorner,PalauandtheCaribbean•UnitedStates:TheHawaiianIslands,FloridaKeys,CatalinaIsland,Californiaandmanyoceans,rivers,lakesandquarrysStatistics•8.5millioncertifiedSCUBAdiversintheU.S.,and14.5to15.5milliondiversworldwide•Top6statesforSCUBAcertification:Florida,California,Hawaii,Texas,IllinoisandNewYorkSummary•SCUBA–Itsmeaningandhistory•Equipment•Howtodive/typesofdives•Afteryoulearn,whatthen?•Divesitesandstatistics•HealthandsafetyWebsitesforSCUBAaccess,researchandresources•PADI(ProfessionalAssociationofDivingInstructors)-•DAN(DiversAlertNetwork)-•NAUI(NationalAssociationofUnderwaterInstructors)-•TheUltimateSCUBAsource-•AboutSCUBAdiving-•JoeDiverAmerica-