United States Department of Homeland Security
University of Alaska Anchorag

Eicken, Hajo

Jones, Josh

Mahoney, Andy

English

ScholarWorks@UA

First Annual Partners’ Meeting PresentationIntegrated Framework to Identify, Track and Communicate Sea-Ice HazardsArctic Domain Awareness Center (ADAC)A DHS Center of Excellence1Andy Mahoney, Hajo Eicken, Josh JonesGeophysical InstituteUniversity of Alaska FairbanksJune 29 & 30, 2015OverviewAIS traffic, Jun 1 – Nov 30, 2013. [from Brigham, 2014]• Increasing Arctic maritime activity• Driven in part by decreasing sea ice extent1978   1986   1994   2002   2010  14.514.013.513.012.5May Arctic sea ice extentMillion sq. kmRisk posed by sea-ice hazards growing despite declining sea iceUrgent need for enhancedsea-ice hazard awareness• Improved hazard detection• Real time tracking• Improved communication and data disseminationBarge NTCL IIPhoto Stephan Hill Era Helicopters01010101010101010101010101010100110101010101010101010101010101010011010101010101010101010101010101001101010101010101010101010101010101010101010101010101010101010100110101010101010101010101010101010101010101010101010101010101010011010101010101010101010101010101010101010101010101010101010101001101010101010101010101010101010101010101010101010101010101010100110101010101010101010101010101010101010101010101010101010101010011010101010101010101010101010101010101010101010101010101010101010101010101010101010100110101010101010101010101010101010011010101010101010101010101010101001101010101010101010101010101010101010101010101010101010101010100110101010101010101010101010101010101010101010101010101010101010011010101010101010101010101010101010101010101010101010010101010101010101010101010101001101010101010101010101010101010100110101010101010101010101010101010011010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010011010101010101010101010101010101010101010101010101010101010101001101010101010101010101010101010100110101010101010101010101010101010011010101010101010101010101010101010101010101010101010101010101001101010101010101010101010101010101010101010101010101010101010100110101010101010101010101010101010101010101010101010101010101010011010101010101010101010101010101010101010101010101010101010101001101010101010101010101010101010101010101010101010101010101010100110101010101010101010101010101010101010101010101010101010101010011010101010101010101010101010101010101010011010101010101010101010101010101Approach• Ice detection• Ice velocity• Ice stabilityMass balance stationGPS buoysIce radar• Ice thickness• Ice temperature• Sea level• Ice motion• Ice deformation• Ice upliftReal-time dataBarrow test bedSatellite dataStakeholders• Ice speed• Ice pressure• Ridge / crack formation• Ice breakoutSea ice hazardsInformation productsStakeholders & PartnersUSCG District 17Cdr. Shawn Decker, Rob HynesJames RobinsonAlaska Dept. Environmental ConservationJohn EnglesUSCG R & D CenterRich Hansen, Bert MaceskerJason Story, Scott TripEskimo Walrus CommissionVera Kingeekuk Metcalf Executive DirectorEugene Brower PresidentNOAA Office of Response and Restoration Alaska Clean SeasTony Parkin Chair, Research & DevelopmentAmy MertenChief, Spatial Data Branch/Assessment and Restoration Div.Chair, Arctic Council Emergency Preparedness & Prevention Working GroupBarrow Search and RescueNo formal contact at this timeNat. Weather Service Anchorage Ice DeskJames Nelson NOAA-NWS Regional ScientistRebecca Legatt Heim Ice ForecasterMilestones1. Completion of vector product for ice velocity field in format and delivery mode that conforms with USCG and NOAA ERMA needs (March 2015). Multi-parameter suite of products as vector and raster data available in May 2016. Baseline TRL-4, target TRL-6.2. Capabilities to produce mean velocity and divergence/convergence fields compatible with CMR model architecture and coastal HF radar data. (February 2015). Full time series from Barrow site processed by January 2016. Baseline TRL-4, target TRL-6.3. White paper outlining North Slope/Barrow ADAC testbed, discussing relevant observing system resources, logistics support options, ADAC testbed elements and activities (December 2015). Baseline TRL-1, target TRL-2.4. Identify and review suitable DGPS hardware for use in harsh Arctic sea-ice environment and compatibility with observing system infrastructure to detect small-scale deformation as threat precursor (April 2016). Baseline TRL-2, target TRL-5.Radar-derived ice velocitiesMilestone #1: Completion of vector product for ice velocity field in format and delivery mode that conforms with USCG and NOAA ERMA needs (March 2015)Near-real data time at:http://seaice.alaska.edu/gi/observatories/barrow_radar/sea-ice-velocity• Gridded ice velocities now being calculated operationally from real time radar data• Data available in KMZ format for integration into Arctic ERMA and GoogleEarth• Awaiting feedback from USCG D17; Integrated feedback from Barrow Rescue BaseReal world applicationUAF ice radar data used by Barrow Search & RescueApril 29, 2014:•Mid-season breakout of landfast ice casts several hunters adrift•Weather conditions prevent launch of SAR helicopter• Radar data used to help coordinate rescue effort using small boats• All people and gear safely recovered!Ice divergence/convergenceMilestone #2: Capabilities to produce mean velocity and divergence/convergence fields compatible with CMR model architecture and coastal HF radar data. (February 2015)• Algorithms developed to generate ice convergence / divergence fields• Red indicates closing/ridging ice• Blue indicates opening ice• Once operational, data can be formatted to meet stakeholder needsBarge NTCL IIOctober 22, 2014: Barge breaks loose of tug in Canadian ArcticSatellite-tracked beacon deployedFrozen into ice coverDrift speed > 3 ktsCrossed date-line 49 days after being set adrift Last position reported on May 12Passing Pt. BarrowBarge track• Barge passed Point Barrow just before midnight on October 19, 2014• Closest approach:11.3 km offshore• Ice motion highly complex• No landfast iceProjected barge drift(on Nov 21, 2014)Gaps and Lessons LearnedSearch and rescue operations in ice-infested waters can benefit from radar data- Particularly during periods of poor visibility- Ice velocity data most useful- Simple, low-bandwidth products most suitable for local first respondersCalculating differential ice motion high precision data- Spurious data needs to be removed with additional signal processing- Unclear how this would apply on moving vesselThere are significant gaps in our ability to forecast long-term drift patterns- With ongoing rapid change, historical data must be used with caution- Ice drift near coast particularly difficult with current satellite dataNext stepsJuly 8-22:  Arctic Shield 2015 Technology Evaluation- Test ice radar performance while under way - Deploy autonomous buoy to monitor ice hazardsNext stepsBarrow test bed (2015/16)- Deployment of high-precision DGPS beacons to monitor cracking, ridging and break-outs- Development of integrated of ice motion / mass balance data product for storm/ocean model validation- Engagement with stakeholders to assess value of data products for application in past and future scenarios- Framework for collaborative sensor, model & response assessments

Integrated Framework to Identify, Track, and Communicate Sea-Ice Hazards

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Integrated Framework to Identify, Track, and Communicate Sea-Ice Hazards

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