rv investigator voyage plan - soccom dr… · rv investigator voyage plan voyage #: in2016_v03 ......
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RVInvestigatorVoyagePlan
Voyage#: IN2016_V03
Voyagetitle: MonitoringOceanChangeandVariabilityalong170oWfromtheiceedgetotheequator
Mobilisation: Hobart,Wednesday,20April,2016
Depart: Hobart,0900Thursday21April,2016
PortStop: Wellington(NZ),0800–1800,Friday20May,2016
Return: Lautoka(Fiji),0900Wednesday,22June,2016
Demobilisation: Brisbane,Monday,July4,2016
VoyageManager: DonMcKenzie Contactdetails: Phone:+61362325234Mobile:[email protected]
ChiefScientist: BernadetteSloyan
Affiliation: CSIROOceansandAtmosphereCastrayEsplanadeGPOBox1538,HobartTAS7001,Australia
Contactdetails: [email protected]
PrincipalInvestigators: SusanWijffels;BronteTilbrook,LevBodrossy,BecCowley
Projectname: Asabove
Affiliation: CSIROOceansandAtmosphereCastrayEsplanadeGPOBox1538,HobartTAS7001,Australia
Contactdetails: [email protected]@[email protected]@csiro.au
PrincipalInvestigators: MarkWarner,JohnBulliser
Projectname: Asabove
Affiliation: U.Washington,Seattle,WAUSA
Contactdetails: [email protected]
PrincipalInvestigators: AlexForrest,U.Tasmania.
Projectname: Workingfromtheotherside:facingthechallengesofunder-iceforautonomousnavigationinAntarctica
Affiliation: AMC,UniversityofTasmania
Contactdetails: Ph:+61363249744Email:[email protected]
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Scientificobjectives
Sloyan,Wijffels,Tilbrook,Warner,Bodrossy,Downes:Thefullsuiteofkeyoceanparametersandthedeepoceanheatandcarbonreservoirsremainpoorlymeasured.Thisproposalwillcompletefull-depth,high-precisionhydrographic,carbon,andtracermeasurements,along170oWfromthesea-iceedgetotheequator,tomonitoranddetectoceanvariabilityandchangeincludingchangesinthecarbonatechemistryassociatedwithacidification.Thesedata,togetherwithotherobservationaldataandnumericalmodels,willallowforthedetectionandattributionofoceanchangeandvariabilityandtoassesstheimpactoftheoceanonclimatevariability.Thishydrographicsectionwillmonitoroceanchangeandvariabilityby:
1. Directlymeasuringthefullsuiteofoceanwaterproperties(temperature,salinity,velocity,nutrients,tracersandoceanmixing)athighverticalandspatialresolutionthroughouttheentirewatercolumnandinthedeepboundarycurrents,contributingtotheinternationalGO-SHIPprogram
2. Providinghighprecisionbiogeochemicalmeasurementstomonitorchangesinoceancarbonstorageandoxygenconcentrations,contributingtotheIOCCPinternationalprogramtomonitortheglobalcarbonbudget.
3. DirectlymeasureoceanmixingtoimproveourknowledgeoftheoceanMeridionalOverturningCirculation.
4. ProvidehighprecisionbaselinedatatocalibratetheArgoarray,XBTprogram,andotherautonomousobservations(oceangliders,mooringsandsatellites)inthevicinityofthesection.
5. DeployArgofloatsforthecoremissionandcontributionstotheinternationalSOCCOMproject.
6. Map,forthefirsttime,thegenomiccharacteristicofmarinebacteriaandphytoplanktonalong170°W,aspartofalargersetofsurveysbeingcarriedoutaroundAustralia.
7. Obtainside-by-sideCTD/XBTdatafortheassessmentofbiaserrorsinXBTmeasurements.8. ObtainTritium/HeliummeasurementsintheAntarcticCircumpolarCurrent.
Voyageobjectives
Theprimaryvoyageobjectiveistoobtainrepeatoccupationsofthe155full-depthCTDandNiskincastsalongtheGO-SHIPP15Ssection,withchemistryperformedonwatercollectedat36bottlelevels.Wewillmeasuretemperature,salinity,pressure,oxygen,fluorometry,shearandmicro-scaletemperaturecontinuously,andthemajornutrients,oxygen,salinity,CFCandcarboncomponentsdiscretelyviachemicalanalysisonboard.Smallamountsofmaterialwillbefilteredandstoredforgenomicanalysesbackonland.CSIROhascompletedthislinetwicebeforeandinternationalgroupshavecompletedsimilarworkalonglinesfurthereast.Theworkplanandtimingsarebasedonthesepastvoyages.Argofloatdeploymentswillalsobecarriedout–usuallywhenjustleavingaCTDstation(SOCCOMfloats)orduringtransit(wemayslowtheshipspeedslightly).Thesewillbeovertheship’sstern(preferred).
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OperationalRiskManagement
Thekeychallengearoundcompletionoftheworkprogramwillbemanagingsafeoperationsinstrongwind/waveconditionsandefficientship-timemanagementbythescienceandmarinecrew–inparticularthespeedatwhichwecanarriveonstation,deploytheCTDpackage,completetheprofile,retrieveandtiedownthepackage,getunderwaytothenextstation,completethewatersamplingandsetuptherosetteforthenextdeploymentThestationsareroughly30nmapart,thoughtheycanbecloseracrosssteeptopography.Inthedeepocean,weexpecttohavearound2.5-2.8hourstransittime(at11knots)andsoshouldhavecompletedsamplingandbereadytodeploybythetimetheshiparrivesatthenextlocation.Wherestationsareclosewemaybelimitedbywatersamplingtime.Wedonotrequiretheshiptobeexactlyonlocationtostartthecast(~within0.1ofanmofthetargetisfine)nordowerequiretoremainonlocation.OncetheCTDpackageisdeployed,themostimportantoperationalrequirementistokeepthewireasverticalaspossible(toreachtheseafloorasfastaspossiblewithsmallestwireout)andtokeepthewireawayfromtheships’hull.Thusdriftduringacastistobeexpectedandisnotproblematic.Limiteduseofthebow-thrusterispreferredduetothetimeittakestodeployanditsdisruptiveimpactoncrewsleepingbelowdecks.ThestationsofgreatestscientificvaluearethoseatthesouthernendwherethedeepoceanwarmingsignalislargestandthepastoccupationsarescantduetothepreviouslimitationsoftheMNFoperations(50oS).WehopetoworkasfarsouthandasclosetotheiceedgeastheMasterdeemssafe.FrompastexperiencebybothCSIROandoverseasteams,weexpectthegreateststorminessandworkstoppagesonleg1,likelysouthof45oS.Weatherandsea-statesmightlimitthesafetransitspeed,CTDwirespeedandattimesrequiretheshiptoceaseoperationsandbehove-to.Wehaveallottedaround72hoursoftimeforbeinghove-to(ifrequired)andalsohaveassumedaslowertransitspeedsouthof50oS.Dependingontheweathersituation,wemayworkeithernorthorsouthofstormsandfillinthegapsaftertheirpassage,asbestassessedatthetimebytheMaster,ChiefScientistandVoyageManager.However,wheresafetodoso,wehopetomaximizeshipspeedandouroperationalweatherwindowwherepossible,tocompleteasmanystationsaswecanbeforebreakingthelinetoheadintoWellingtonfortheMay20portvisit.BesidesmanagingsafeoperationsthroughSouthernOceanwaveandwindstates,wedonotviewouroperationsashighrisk.Theweatherriskwillbemanagedviadailyassessmentsbetweenthevoyageleadershipteam(Master,ChiefScientistandVoyageManager).Fatigueisakeyrisktomanage.ThishasbeengreatlymitigatedbythecrewswapinWellingtonandfielding3x8hourCTDwatches,aswellasextrahandsinsomeofthechemistrylaboratoriesonLeg1.Toallowoff-watchcrewsleepbelowdecks,minimaluseofthebowthrusterisalsodesirable.
Overallactivityplanincludingdetailsforfirst24hoursofvoyage
WewillsteamoutofHobarttoourfirstteststation(CTD001),targetinga4000mordeepersite.Thefirst24hourswillbemostlysteaming,allowingsafetyandorientationbriefingstobecarriedout.Theteststationlikelybearound11amonthesecondday(April22).ThepurposeistoconfirmtheCTDandsensoracquisitionsystemsareallworkingwellandthattheNiskinbottlesaresealingproperly.IfthereareissueswewillcorrectthemeitheronboardorreturntoHobartifrequired,and
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Susan Wijffels� 3/2/2016 3:43 PMDeleted: Accuratechemicalanalysesareessential,andthus,maintainingthelaboratorytemperaturestowithinafewdegreesof24oCduringthisvoyagewillalsobeveryimportant.Inparticular,ifthecarbonlaboratorytemperaturesgoabove27oC,thenthesystemswillhavetobeshutdownandallanalysiswillcease.Thiswouldbedisastrous.Topreventthis,wewouldliketodiscussback-uporcontingencyventilation/coolingbeingputin,particularlygiventheextraheatthatwillbeputoutbytheinstrumentsneededfortheanalyses. ... [4]
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planasecondteststationalongthetransit.Wewilltakesamplesforsalinityanalysis,andthenproceedtotrainthesciencewatchesinwatersamplingtechniques.IfallgoeswellwewillthenproceedalongagreatcirclerouteatmaximumspeedtotheP15Ssectionstart(68oSand170oW).AlongthesteamtotheP15Ssectionstart,wewilldeployseveralArgofloats–5fromArgoAustraliaand7SOLOIIfloatsfromtheScrippsInstitutionofOceanography.Thesearetargetedatsetlatitudes(longitudeswillbedependentontheroute).TheCTDwatchanddeckcrewwilldeploythefloats(whichwillbestowedintheaftinstrumentlab).Duringthetransit,wewillsetupthelaboratories,underwayloggingsystemsandcontinuetrainingtheCTDwatchesandlabteams.Thetransit,includingtheteststationwillbearound8days(at10.5knts–hopefullyshorteriffasteraverageshipspeedsareachieved).Asweneartheiceedgeat170oW,wewillneedtoassessthesouthernmostlatitudeforaCTD.WewouldliketobeasfarsouthastheMasterdeemssafe.AllCTDstationswillbefull-depthtowithin10mofthebottom,loweringat60m/minutewherepossibleandwith36Niskinbottlesfiredthroughoutthewatercolumn.Onretrievalofthepackage,weneedtotietheframedown,sealtheCTDlabandgettheshipunderwayexpeditiously.DuringLeg1inparticular,Argofloatswillbedeployedaftermanyofthestations(seeTable2),preferablyatlowspeedswhiletheshipjustleavesthesite.WewillthenworknorthwardscompletingstationsasperTable1.At12knotstransitspeedsthetypicalsteamtimeisaround2.5hoursbetweenstations,withtypicalcasttimesbeing3-4hours.Tritium/heliumsampleswillbetakenfromtheNiskinsevery1-degreelatitudespacingfrom68oSto55oS,thenevery2-degreespacingfrom55oStotheWellingtonport(about22stationsintotal).DuringsomeCTDstations,eXpendableBathyThermographswillalsobedeployedintheearlypartoftheCTDcast.Thesewillbedonefromtheship’ssternwhiletheCTDisinoperation.Two(orthree)XBTsystemswillbeusedtodeploy6XBTseachduringaCTDstation.ThreewillbedeployedwhiletheCTDisatthesurface,thenthreemorewhiletheCTDisdescending.XBTswillbedeployedevery3-5stations,dependingonhowmanyprobesareavailable.Inaddition,comparisonsofmodernDeepBlueXBTsandolderT5XBTswillbecompletedwhiletheshipisunderway.Basedonourcurrentshipspeedestimates,weanticipatecompletingstations1-60beforehavingthebreakworkforthe41hourtransittoWellingtontoarriveMay20,2016intheearlymorning.IfweareaheadofschedulewewillcontinuetocompletemorestationsworkingnorthwardbeforebreakingtheworktotransittoNewZealand.InWellingtontheCTDandmanyofthescienceteamswillchangeover.Somematerialwillbetakenofftheshipforland-basedanalysise.g.samplesinadryshipper,butthesecanbewalkedoff.WedonotanticipateanymajorloadingorunloadingofscienceequipmentinNewZealand.Leg2willcomprisetheremainingstations,nominally61-155.Thetransitbacktothelinewillbearound41hours.TherewillbesomeLeg2floatdeployments.Twoprototype‘deepSOLO’floatswillbedeployedbetween20-30oS,againafteraCTDstationhasbeencompleted.Onfinishingthelaststationattheequator,wehavearounda4daytransittoFiji,duringwhichfinalanalyseswillbecompleted,dataprocessedandlaboratoriespreparedforoffloadinginBrisbane.MostsciencecrewwilldisembarkinFiji,thoughsomeoftheunderwaychemistryteamwillremainonboard.
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Voyagetrackexample
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Waypointsandstations/Timeestimates
Estimatedwaypoints,steamingandstationlocationsandtimesareshowninTable1.Assumedshipspeedsforsomepartsarelowerthan12kns,aswearescepticalthat11knottransitspeedsthatcansustainedbyInvestigatorintheheavyswellandwindconditionsweexpectonleg1.PastexperiencebyCSIROandotherinternationalteamssuggestsmuchslowertransitspeedsaretobeexpectedsouthof50oS.Regardlessoftheplan,transitsspeedsshouldbeashighasissafelypossibleonthedaytoallowthebestpossiblechanceofcompletingtheoverallworkplan.
Piggy-backprojects(ifapplicable)Atmosphericunderwaymeasurements:CIMelitaKeywood,CSIROThescientificobjectiveofthisworkistoinvestigatethechemicalcomposition,sizedistribution,opticalpropertiesandcloudnucleatingpropertiesofmarineaerosoloverthesouthernhemispherewiththeaimofquantifyingregionalcontributionsofaerosolstoradiativeforcing.Thereiscurrentlyverylargeuncertaintyassociatedwiththedirect,semi-directandindirecteffectofaerosolsonradiativeforcing.Akeyfeatureinthisregardistheinfluenceoncloudpropertiesofcloudcondensationnuclei(CCN),theverysmallatmosphericaerosolparticlesnecessaryforthenucleationofeverysingleclouddroplet.Arecentanalysisofthe35-yearCCNconcentrationrecordatCapeGrimchallengesthecurrentacceptedwisdomoftheroleofdimethylsulfide(DMS)onCCNformationovertheSouthernOcean.Inparticular,itappearsthatDMSoxidationisonlysignificantduringthesummermonthsatCapeGrim,andinfactothersourcesandprocessesdominatethroughouttherestoftheyear(Grasperscom).ThatothersourcesandprocessesmaybesignificantinCCNproductionandmodulationhasalsorecentlybeensuggestedinareviewoftheCLAWhypothesis.Theidentityofthesesourcesremainsanopenquestion.Theworkproposedherewillbeapositivestepinaddressingthisquestion.
Facingthechallengesofunder-iceforautonomousnavigation:CIAlexForrest,UniversityofCalifornia-Davis,AMC,U.TasmaniaAccuratenavigationunderbothdriftandstationaryiceisoneofthekeyunansweredquestionsinpolarmarinescienceandengineering.Theprimaryaimsofthisprojectareto(1)estimateINSdriftandcalibrationtimes;and,(2)testtheintegrationofacousticpositioningmethodsinanINSwithinadriftingandrotatingframeofreference.Thisprojectwilldeveloperrorpropagationmodelsatincreasinglatitudesandtesttheuseofanon-stationary,shipborneacousticpositioningnetworkonasmall(<3m)AUV.Botharecriticalforrobust,accurateandreliableAUVoperationunder-ice.InorganicNitrogenuptake:CIAnyaWaite,AWI,Germany;EricRaes,UWA.Whilewearegettingbetterinsightsinthemicrobialcommunityandtheirtaxonomy,uptakeandratemeasurementsofNandCarestillverysparsethroughoutthewoldoceansandareahighprioritytoaccuratelyquantifyC,Ncyclesandtheassociatedprimaryproductivity.EspeciallyaswehavetokeepinmindthatnumericallyoutnumberedmicrobescanplayasignificantroleintheNandCcyclesoftheirecosystem.Previousstudieshaveshownthattheleastabundantspecies(inthiscasetheanaerobic,phototropicbacteriaChromatiumokeniirepresenting~0.3%ofthetotalcellnumbers),cancontributemorethan40%ofthetotalNH4
+assimilationandupto70%ofthetotalCfixation.WewillinvestigatetheroleofmicrobesintheNuptake.Whilewemaybeabletogetpresenceabsenceusingtechniquessuchasquantitativepolymerasechainreactions(qPCR),metagenomicsorhighthroughputsequencing,isotopes(stableisotopes)arenecessarytomeasureratesofnutrientutilization/remineralization.
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Tritium/HeliumMeasurements:CIStephanieDownes,ACECRC.Heliumisaninertgasnaturallyreleasedathydrothermalvents,and(asapassivetracer)iscommonlyusedtotracedeepoceancirculation.Recently,hydrothermalventsandplumeshavebeenidentifiedalongtheAustralian-AntarcticRidgeandPacific-AntarcticRidgeusingobservationsoftemperature,heliumandothertracers.OnlyonevoyagetodatehasbeenundertakenwithoceansurfacetofloordatasouthofthePacificAntarcticRidgealong170oW(67oStotheEquator;1996).However,heliumdatawasnotcollectedduringthisvoyage.Thenewheliumdatasetacquiredonthisvoyage,willbeusedtofulfilthefollowingmainobjectivesare:
• ProvidenewevidenceofhydrothermalactivityalongthewesternendofthePacificRidge,includingapossibledescriptionofplumedispersionalongtheocean’sstrongestcurrent,AntarcticCircumpolarCurrent.
• AssessinterconnectivityofhydrothermalsystemsbetweentheAustralian-AntarcticRidgeandPacificAntarcticRidge.
• ProvidenewdescriptionsofwatermasspathwaysandexchangewithinandbetweentheAntarcticCircumpolarCurrentandtheRossGyre.
RadioCarbonisotopes:CIRobertKeys,Princeton,USA.MeasuredeltaC13anddeltaC14isotopicratiostohelpmaptheageandthusventilationofoceanwaters.
Investigatorequipment(MNF)
CTD-Seabird911with36BottleRosetteDualsensorsOxygenFluorometer/BackScatterTransmissometerAltimeter
primary
CTD-Seabird911with24BottleRosette backup
LADCPsystem primary
XBTSystem primary
Milli-QSystem primary
LightDutyElectronicBalance Desirable
75KHz/150KHzsADCP Both
MultiBeamAcoustics WherenointerferewithsADCP
ScientificEchoSounders Primary
Thermosalinograph yes
AtmosphericUnderwaySensors yes
PC02/oxygenunderway yes
MNFClothingcontainer required
MNFRADVANcontainerisedlab required
MNFincubatorcontainerbaseplatform required
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Microsoft Office User� 2/15/2016 2:46 PMFormatted: Font:Bold, Not HighlightMcGuire, Max (MN…, 1/18/2016 12:15 PMDeleted: Listequipment,servicesandadditionalsupportstaffrequiredfromtheMNF.Pleasegivethiscarefulconsideration,asthereisnoguaranteethattheseresourceswillbeavailableunlessspecificallyrequested.LiaisewithVoyageOperationsManagerasrequired.
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Name Essential Desirable
AerosolSamplingLab x
AirChemistryLab X
PreservationLab
ConstantTemperatureLab X
UnderwaySeawaterAnalysisLaboratory X
GPWetLab(dirty) X
GPWetLab(Clean) X
GPDryLab(Clean)
ShelteredScienceArea X
MonkeyIsland
WalkinFreezer
CleanFreezer
BlastFreezer
UltraLowTemperatureFreezer
WalkinCoolRoom
RadiationVan:CI’sAnyaWaite,AWI,Germany;EricRaes,UWAInstalledontheO2decktoallowproductivityincubationstobecarriedoutusingwaterfromtheunderwayflowsystem.
UserEquipment
Carbonchemicalanalyses:CIBronteTilbrook,CSIROCarbonparameterswillbemeasuredusingacoulometer,cavityringdownspectrometer,potentiometrictitrator,spectrophotometer.O2/Armeasuredviaaquadrupolemassspectrometer,oxygenoptodes.Thecarbonteamwillsetupinthegeneralpurposewetlab(clean)onthemaindeck.Atmosphericunderwaymeasurements:CI:MelitaKeywood,CSIROCCNandinstrumentationutilisingtheAerosolLabairinlet–allusersuppliedequipmentalreadyonboardfromIN2016_V02.CFC,SF6analysiscontainerlaboratory:CIMarkWarner,U.Washington,andJohnBullister,NOAA-PMELCFCgasconcentrationswillbeanalysedonboardinacontainerlaboratoryplacedonthemaindeck.RobPalmerisliaisingwithUWonpower,plumbing,internetandcommunicationsforthevan.Akeyissueforselectingthevanlocationishowdrythemaindeckcontainersiteswillremaininroughweatherandhighseas.He/Trisamplecollection:CIStephDownes,ACECRCOnewhitefiberglasscontainerwithhydrauliccrimperplusothersuppliesforheliumsampling[40x24x24"160lbs]
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McGuire, Max (MN…, 2/16/2016 9:54 AMFormatted: Font:BoldMcGuire, Max (MN…, 2/16/2016 9:54 AMFormatted: Font:Not BoldMcGuire, Max (MN…, 2/16/2016 9:54 AMFormatted: Font:Not BoldMcGuire, Max (MN…, 2/16/2016 9:55 AMFormatted: No underlineMcGuire, Max (MN…, 2/15/2016 3:55 PMDeleted:
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in2016_v03draftvoyageplanv9[1].docx
Roberta Hotinski� 4/4/2016 6:16 PM
Deleted: in2016_v03draftvoyageplanv8.docxvoyageplanfinal20150316.docx
Stackof20coilsofcoppertubingincardboardcartons[24x24"x20"~260lbs]2emptywhitefiberglasscratesforcoppertubesamples[25x15x17"~20lbseachempty]CrimperequipmentwillbesetupintheCTDlabonabench.Equipmentwillbebolted/clampedtothebench.Emptycratesforstorageofsampleswillbekeptelsewhere(possiblystoredinthewetlab(cleanordirty)orotheravailablespace.)Note:samplesshouldbestoredatatemperaturebelow30oC.Bacterial/Genomicssampling:CIAnyaWaite,AWI,Germany;EricRaes,UWA;LevBodrossy
§ Bacterialandgenomicsamplingwillbedoneusingamultiheadperistalticpump(dimensions:H:30cm,W:30cm;L:60cm).Samplingwillbesetupinthegeneralpurposewetlab(clean)onthemaindeck.
§ Samplesforphytoplanktonpigmentanalysis(usingHPLCbackonthemainland)willbedoneusing2xfiltrationracksandvacuumpumps(dimensionsfiltrationrack:H:60cm,W:20cm;L:50cm+2pumpsH:20cm,W:20cm;L:20cm).Samplingwillbesetupinthegeneralpurposewetlab(clean)onthemaindeck.
§ SamplesforChlawillbedoneusingafiltrationrack(dimensions:H:60cm,W:60cm;L:60cm).Samplingwillbesetupinthegeneralpurposewetlab(clean)onthemaindeck.
§ Samplingforpicoplankton(nospecificmaterials,weonlyneedtotake1mlofseawaterandpreservethesesampleswith1%paraformaldehyde).Note,I‘veattachedtheMaterialSafetyDataSheet(MSDS)for4%paraformaldehyde,wewillbetakinga4xdilutionaboard).Samplingwillbedoneinthegeneralpurposewetlab(clean)onthemaindeck.
§ 3dewarswithliquidnitrogenforsamplestorage.Dewarswillbestoredinthegeneralpurposewetlab(clean)onthemaindeck.
§ OverallIestimatetooccupy2minthegeneralpurposewetlabonthemaindeck.
§ Dissolvedinorganicnitrogenuptakerateswillexecutedinondeckincubationbins.SamplefiltrationwillbedoneintheRadvan.
eXpendableBathyThermographsprobes:CIRebeccaCowley,CSIROO&AOneortwowirelessXBTsystemswillbebroughtonboard.Approximately600XBTprobeswillalsobeonboardandwillrequireadrystoragearea.Argo/SOCCOMFloats:CIDeanRoemmich,SIO;LynneTalley,SIO;SusanWijffels,CSIROO&A.FloatdeploymentswillbecarriedoutbothduringthetransitsandalongtheCTDline.Profilingfloatsaredelicateinstrumentswithfinesealsandsensitiveinstrumentation.Itisessentialthatweminimizeanyknocksorshocksduringdeployment.FloatdeploymentlocationsareshowninTable2.Severaldifferentfloattypesarebeingdeployed:
1) ‘core’Argofloats–eitherfromArgoAustraliaorUSArgo’sSOLOII.Thesefloatswillbedeployedinprotectivebiodegradablecardboardboxesviaaquickreleasesling.Thesedeploymentscanbecarriedoutunderway–preferablyfromtheship’sstern(ifweatherpermits).Thesefloatsshouldnotberemovedfromtheirboxesfordeployment,butbedeployedwiththebox.
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2) BGC-SOCCOMfloats–thesefloatsareheavilyinstrumentedand‘naked’deploymentispreferredtoavoidentanglementofthesensorswiththeboxedges.Thesearedeployedviacarefulloweringofthefloatsonalinevialoopthroughtheirdampingdisks(seepicture).
Thesedeploymentscanonlybedoneatslowshipspeedandontheleesideofthevessel.WewillaimforthesedeploymentstooccuratlowshipspeedjustasweleaveaCTDstation.
3) DeepArgofloats[wordsandpicturesfromJG/SIO]
Chi-Pods-highfrequencytemperatureandpackagemotionformixingrates:JohnathanNash,OregonStateUniversity
Allofinstrumentsareinternallyrecording,andconsistofasensor3cmx12cmcabledtoanelectronicspressurecase(7cmx40cm),allratedto6000m.Eachispoweredby2lithiumbatteries,whichweshipdirectlytotheshipandinstallthere.SensorswillbemountedontheCTDrosette;2sensorspointedup,extendingperhaps30cmabovetherosettenearitsedgesand1-2sensorspointingdown,inthemiddleofbiggestvoidatthebottomoftherosette,withtheirsensingelementapproximately1cmfromtheship’sdeckwhentherosetteisonthedeck.
Sloyan, Bernadett…, 2/10/2016 11:32 AMDeleted: Re:mounting,weliketohave
Sloyan, Bernadett…, 2/10/2016 11:33 AMDeleted: .Andthenwewouldlike
Sloyan, Bernadett…, 2/10/2016 11:33 AMDeleted: I’veattachedaschematicandpictureofthechipodsonA16S.Theschematicisalittleoutdated,wenowgenerallyhaveeachsensorconnectedtoitsownelectronicspressurecase(i.e.,weliketohave3-47x40cmp-casesontherosetteinsteadoftheonebigone,asintheschematic.Buttheycangoanywhereontherosette.)
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JohnathanNashtocoordinatewithMNFtechteamlead(SteveThomas/RodPalmer).InstallationwillbedoneinHobartduringApril19-20.Operationsinstructions(datadownload/rechargingetc)tobeprovidedbyNashandcolleagues.InstrumentswillberemovedfromtherosetteonthetransittoFijiandstoredwithothervoyageequipmentforoff-loadingBrisbaneandbeshippedbacktotheUSA.Nashtoorganize.DeepArgotestCTDs:DavidMurphy,SeaBirdElectronics,Seattle,WA.InstalltwoSBE61DeepARGOCTDsontheframeforstabilitytestsagainstthe9plussensors,andtryingoutsomeexperimentalconductivitycells.AsecondarygoalistotestopticaloxygenandpossiblypH.SBEwillsendapersontohelpinstallthegearontotheframe.Allgearwillbeinternallyrecording.TheCTDwatchwillbetrainedinhowtostart,stop,downloadandrecharge(ifneeded)theloggers.GeartocomeofinBrisbaneandbeshippedbacktotheUSA.Murphytoorganize.
Mobilization(Hobart)
Shiploading:Ships’crane–LoadandinstalltheUniversityofWashingtonCFCcontainerlaboratoryonthemaindeck(preferred).Loadandinstallthecarbonteams’storagecontainer(maindeck).PossiblyliftSOCCOMfloatsaboard-woodencrates.LoadTi/Hesamplinggear:LargecontainerswillbeseparatedintosmallermanageablecontainersthatcanbewalkedonboardtotheCTDlab.Onewhitefiberglasscontainerwithhydrauliccrimperplusothersuppliesforheliumsampling[40x24x24"160lbs]Stackof20coilsofcoppertubingincardboardcartons[24x24"x20"~260lbs]2emptywhitefiberglasscratesforcoppertubesamples[25x15x17"~20lbseachempty]TheequipmentandcoppertubeswillbestoredintheIMASbuildingpriortothevoyageandbetransportedviaforklifttothedockformobilisation.Postvoyage(inBrisbane),wewillaimtohaveallheliumequipmentandsamplessecuredonapalletforfreightingtotheUSA.LoadXBTboxesanddeploymentsystems.LoadBacterial/Genomicsequipment:Twopalletswillbeloadedontotheship.Thesepalletswill
containpumps,filtrationracksandliquidnitrogen3dewars.
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Walkaboard:Argofloatsaretobestoredandtieddowninthegeneralpurposewetlab(dirty)–firstfloatstobe
deployedaretobethelastloaded.Deploymentboxesmustnotcrush.*14SOLOIIsincardboardboxes24inchx34inchx39inchvolumeand36kgeach.*11ArgoAustraliaNavisorAPEXincardboardboxes-215x40x40cmat27kgperfloat*10SOCCOMfloats–intimberboxes–possiblyloadedbycranelift*2deepSOLOfloats–incardboardboxes24inchx34inchx39inch36kgperfloatBottlesforPh/Alkalinity–MellissaMiller/ODF–severalcratesthatwillbewalkedaboardMountinstrumentson36bottleCTDframe:LADCPs-MNFteam(ifnotalreadyinplace)Chi-pods–Nash/OSUSBE-61prototypes–Murphy/SBETraining:He/Trisampling–StephDownesandMarkRosenbergtotrainwatchleadersonprocedures.WewillaimtotrainwatchleadersbeforemobilisationinHobartaroundApril19th/20thwithadditionaltrainingoccurringasequipmentissetupduringmobilisation.Trainingtimeshouldnotexceed1.5hrsintotal(mostofthiswillbepre-mobilisation).
De-mobilization(Brisbane)
Intransitstrip,cleanandbox:Chi-pods–toNash,OSU(Wijffels)SBE-61sandprototypes–toSBE,WA.(Wijffels)TrullPOC/HPLCfiltrationgear,pump,ovenetc-cleanedandloadedintoCarboncontainer(Passmore)Carbonlab–intocarbonteamcontainer(Tilbrook)XBT/CTDgear–intoNallyBinsandloadedinCarboncontainer(Wijffels/CTDteam)Floatharnesses/residuals–intocarboncontainer(Wijffels)LoadtheBacterial/Genomicssamplingequipment(pumpsandfiltrationracks)onto2pallets(Raes,CarbarrusandOstrowski).LoadHe/Tritiumboxesontopallets(Rosenberg/CTDTeam)Forrest/offloadiXBluePHINSINS–walkoffShip’scraneCarbonteamcontainerliftedoff-shippedtoHobart(willcontaincarbonlab,residualsofXBTandCTDoperations–allinNallyBins).CFCvanBacterial/Genomicspallets(2).RaestoorganiseshippingtoHobart
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HE/Tritiumpallets.DownestoorganiseshippingtoHobart.10SOCCOMwoodenfloatshippingboxes–cranedoff–tobedisposedof.
Permits
ForeignEEZclearancesarewellintrain(LisaWoodward,MNF)AntarcticTreatyclearancehasbeengrantedforworkandfloatdeploymentssouthof60oSRadiationvan–alreadycleared–EricRaestocheckwithTeganSime,MNFRadiationSafetyOfficer.
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PersonnelList–Leg1
1. DonMcKenzie VoyageManager CSIROMNF2. IanMcRobert SITSupport CSIROMNF3. RodPalmer SITSupport CSIROMNF4. AnooshSarraf DAPSupport CSIROMNF5. StevenVanGraas DAPSupport CSIROMNF6. MattBoyd GSMSupport CSIROMNF7. ChristineRees Hydrochemist CSIROMNF8. PeterHughes Hydrochemist CSIROMNF9. StephenTibben Hydrochemist CSIROMNF10. KellyBrown Hydrochemist CSIROO&A11. LloydFletcher Doctor AspenMedical12. BernadetteSloyan ChiefScientist CSIROOceansandAtmosphere13. BecCowley CTDwatch1Lead CSIROOceansandAtmosphere14. AnaBerger CTDwatch1 QMSstudent15. JohnChurch CTDwatch1 CSIROOceansandAtmosphere16. CatrionaJohnson CTDwatch2Lead CSIROOceansandAtmosphere17. RodrigoGurdeck CTDwatch2 JamesCookUniversity18. MadiRosevear CTDwatch2 UniversityofTasmania19. PaulSandery CTDwatch3Lead CSIROVolunteer20. TahaCowen CTDwatch3 UniversityofTasmania21. NicPittman CTDwatch3 UniversityofTasmania22. MelissaMiller hydrochem/SOCCOM ScrippsInstitutionof
Oceanography23. CraigNeill
(JohnAklalternate)CarbonAnalysis CSIROOceansandAtmosphere
24. KateBerry CarbonAnalysis CSIROOceansandAtmosphere25. AbePassmore CarbonAnalysis CSIROOceansandAtmosphere26. ErikVanOoijen CarbonAnalysis CSIROOceansandAtmosphere27. MartinHayden RadioCarbon ResearchSchoolofEarth
Sciences,ANU(PhDStudent)28. SharlynnKoh CarbonAnalysis CSIROvolunteer
29. JacobYeo RadioCarbon CSIROVolunteer30. DaveWisegarver CFCanalysis NOAAPMEL31. BonnieChang CFCanalysis UniversityofWashington,Joint
InstitutefortheStudyoftheAtmosphereandOceanorU.Washington/JISAO
32. JoelAlroe Atmosphericchemistry QueenslandUniversityofTechnology
33. FranciscoLang Atmosphericchemistry MonashUniversity34. EricRaes Bacterial/Genomics UWA35. SwanSow Bacterial/Genomics CSIRO36. NicoleHellessey Bacterial/Genomics UniversityofTasmania37. TobiasAldridge iXBluePHINSINS UniversityofTasmania,AMC38. 39.
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40. 41. 42.
PersonnelList–Leg2
1. StephenThomas VoyageManager CSIROMNF2. BenBaldwinson SITSupport CSIROMNF3. WilliamPonsonby SITSupport CSIROMNF4. HughBarker DAPSupport CSIROMNF5. StewartWilde DAPSupport CSIROMNF6. BernadetteHeaney GSMSupport CSIROMNF7. ChristineRees Hydrochemist CSIROMNF8. CassieSchwanger Hydrochemist CSIROMNF9. StephenTibben Hydrochemist CSIROMNF10. KellyBrown Hydrochemist CSIROO&A11. SusanWijffels ChiefScientist CSIROOceansandAtmosphere12. EsmeeVanWijk CTDwatch1Lead CSIROOceansandAtmosphere13. Veronica(YueHua)Li CTDwatch1 UNSWstudent14. EdwardKing CTDwatch1 CSIRO15. MarkRosenberg CTDwatch2Lead ACECRC16. MainakMondal CTDwatch2 AustralianNationalUniversity17. LuweiYang CTDwatch2 UniversityofTasmania/IMAS18. AnnThresher CTDwatch3Lead CSIROOceansandAtmosphere19. MaijaKaipio CTDwatch3 UniversityofAuckland20. AshaVijayeta CTDwatch3 MonashUniversity21. CraigNeill CarbonAnalysis CSIROOceansandAtmosphere22. KateBerry CarbonAnalysis CSIROOceansandAtmosphere23. AbePassmore CarbonAnalysis CSIROOceansandAtmosphere24. ErikVanOoijen CarbonAnalysis CSIROOceansandAtmosphere25. BronteTilbrook CarbonAnalysis CSIROOceansandAtmosphere26. KateHolland CarbonAnalysis ResearchSchoolofEarthSciences,
ANU(PhDStudent)27. JessicaEricson CarbonAnalysis UniversityofTasmania28. RolfSonnerup CFCanalysis UniversityofWashington,Joint
InstitutefortheStudyoftheAtmosphereandOceanorU.Washington/JISAO
29. BonnieChang CFCanalysis UniversityofWashington,JointInstitutefortheStudyoftheAtmosphereandOceanorU.Washington/JISAO
30. ReeceBrown Atmosphericchemistry QueenslandUniversityofTechnology
31. DamienMcCarthy Atmosphericchemistry MacquarieUniversity32. EricRaes Bacterial/Genomics UniversityofWesternAustralia33. GabyPaniaguaCabarrus Bacterial/Genomics UniversityofTasmania34. BernhardTschitschko Bacterial/Genomics UniversityofNewSouthWales35. TobiasAldridge iXBluePHINSINS UniversityofTasmania/AMC
McGuire, Max (MN…, 1/18/2016 2:04 PMDeleted: StevenTibben
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Sloyan, Bernadette …, 2/10/2016 2:02 PMDeleted: Tobias?
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36. 37. 38. 39. 40. 41.
Signature
Yourname (insertname)
Title ChiefScientist
Signature
Date: (insertdate)
Listofadditionalfiguresanddocuments
Table1–stationandtimingestimates-seeTable_March2016.docTable2–floatdeploymentlocationsandtypes-seeTable_March2016.docAppendixA–locationswhereXBTswillbedeployedforbiasdetection
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AppendixA:LocationmapofXBTdeployments–PIBecCowley
ThemapshowstheCTDstationswhereconcurrentXBTswillbedropped.TheDeepBluetypeprobestypicallyterminateat900m,whiletheT4probesterminateatapproximately500m.Thepinkcirclesindicateregionsofdepth<2000mwhereT5probeswillbedeployedwhiletheshipisunderway.Weaimtohitthebottomwiththeseprobes,whichterminateatapproximately1800to2000m.
Tableofdeploymentinformation
CTDstationshavebeenselectedbasedonthetimeavailableinthetransittothestation.StationswithshorttransitsbeforetheCTDhavebeenavoidedintheplan.
Station DB T5 T4 Comment
TransitoutofHobart
30 T5sdroppedintransitwhereshallowenoughtohitbottom
1
2 6
3 6
4 6
5 6
6 6
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14 6
15 6
16 6
17 6
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30 T5sdroppedintransitwhereshallowenoughtohitbottom
TransittoWellington
TransitfromWellington
616
30 T5sdroppedintransitwhereshallowenoughtohitbottom
62 6
63 6
64 6
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85 6
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TransittoLautoka 30 T5sdroppedintransitwhereshallowenoughtohitbottom
Totaldeployed 150 120 96