Japanese Tsunami Marine Debris · 2018. 9. 24. · Japanese Tsunami Marine Debris Overview and...
Transcript of Japanese Tsunami Marine Debris · 2018. 9. 24. · Japanese Tsunami Marine Debris Overview and...
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Japanese Tsunami Marine Debris
Overview and Updates
24 October 2012
Sherry Lippiatt, PhDCalifornia Regional Coordinator
NOAA Marine Debris Program
Tsunami debris off the coast of Yamada, Japan. US Navy Pacific fleet
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• Establishedin2005
• MandatedbytheMarineDebrisResearch,Prevention,andReductionAct,Dec.2006
• Reauthorization:S.1119andH.R.1171
NOAAMarineDebrisProgram
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• Vision: theglobaloceananditscoasts,users,andinhabitantsfreefromtheimpactsofmarinedebris
• How?Research∣Assessment∣Removal
Prevention∣Outreach&Education
NOAA Marine Debris ProgramNOAAMarineDebrisProgram
RegionalCoordination:EastandWestCoasts,GulfofMexico,GreatLakes,Alaska,PacificIslands
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Event Overview
(KeichiNakane/AssociatedPress)
March11,2011
• 9.0magnitudeearthquake
• Tsunami:maxwaveheight130ft
• Inundated217miles2
• 15,871peopleconfirmeddead,2,778missing(asof10/17/12)
Eventoverview
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Event OverviewDebrisaftermath
March13:DebrisofftheSendaicoast
• Debrisinitiallyformedpatches
• Mostdebrislikelysankrightaway
• NASA/NESDIScollaboratedonearlysatellitedetection
Debrisdispersed;satellitescouldnotdetectafterApril14,2011
(USNavy,March2011)
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How do you find debris in the open Pacific?
Challenges:Scopeofproblem
• UnprecedentedeventforU.S.
• Bigocean
• Noaccurateestimatesofdebristypesorvolume
• Debrissinks,weathers,andbreaksapart
• Debrisdisperses
• Forecastsdifficult
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Challenges:MisinformationSpeculationanduncertainty
• Initialdebrisvolumereportsnotaccurate
• Radiationfears
• ReportsofamassivewaveofdebrisheadedtowardU.S.
• Assumptionthatalldebrisisfromthetsunami
(KTVAAlaska)
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Callforat‐seasightingsFindingdebris:Observations
• Vesselsonthelook‐out
oNOAAfleets,fishingvessels,commercialfleets,UNOLS,recreationalyachtracers,WorldOceanCouncil
• Aerialandat‐seasightings:USCGenforcementmissions
• FAANoticestoAirmen
• MARADadvisories
August1,2011SpottedbyUSCGvessel
September22,2011SpottedbytheRussianvessel,
STSPallada
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• Callfor“significant”marinedebrissightings;[email protected]
• 1,380officialreports,14confirmed
• Emailaddressusedto:o Logreportedsightingso Mapsightingso Aidinformationexchange
• Statehotlineso Oregon:211;WA:1‐855‐WACOAST
Findingdebris:Datagathering
Publicreportingemailaddress
DisasterDebris isNOTaresponsesystem
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SightingsandSatelliteDetection
Credit: HURL
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Findingdebris:RemoteSensingSatelliteandUAS
• NGA,DODassistingwithhigh‐resolutionsatellites
• Requesteddataforroughly400,000km2
• Newtechnologies:UAStestingoffthecoastofOahu
• Continuedeffortstoimprovedetection
• Targetedareasforobservationbasedonsightings,models
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Oceancurrents Winds
• Combinationofsailareaanddrag• Low =slow(e.g.,wood,nets)• Medium =moderate(e.g.,fishingvessel)• High =fast(e.g.,unoccupiedinflatableliferaft,Styrofoam)
+Characteristicsofdebrisaffecthowitmoveswithoceancurrentsandwinds.
Findingdebris:GNOMEModel
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Findingdebris:GNOMEModel
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Findingdebris:GNOMEModel GNOMEResults:• Higherwindage particlesapproachedwestcoastofNorthAmericainfall/winter2011/2012
• HighandmediumwindageparticlescontinuedtocomeashoreinAK,WA,OR,NorCal intospring/earlysummer2012
• Summerpatternmovesparticlessouthandoffshore
• Lowerwindage particlesinareanorthofHI
FutureOutlook:• Anticipatethatinlatefall/winter,seasonalvariationsinwindsandcurrentswillbringadditionaldebrison‐shoreinWestCoastandAK
• Intermittentandscattered
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Collaboration
• Interagency:o Numerousprogramsandauthoritieso ResponsecoordinatedbyNOAAo IMDCC(chairedbyNOAA)
EPA,USCG,FWS,NPS,etc. USCG/NOAAcollaborationon
sightings• International:
o JapanesegovernmentandEmbassyofJapanengagedwithNOAAandStateDepartment
o Canadiangovernment• Biweeklymeetings
Typical debris: N. Pacific
Typical debris: Alaska(CBC)
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On‐goingchallenges
• At‐seadetectionisdifficult
• Newchallenges:invasivespecies
• Debrisremoval
• Gettingthemessageout
• What’scomingnext? (OregonDept.FishandWildlife)