ais-enc maps: iho wendwg february 2019 meeting coordination/wend-wg/jo… · antarctic maritime ais...
TRANSCRIPT
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AIS-ENC Maps: IHO WENDWG February 2019 Meeting
21 February 2019
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Antarctica as Proof of Concept Case
• Current effort: summarize vessel traffic at ENC coverage in Antarctica
• Antarctica proof of concept is advantageous: • Relatively small data sizes
• International coverage
• Data share interests in the remote region
• France coverage in the following slides is an example
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Surveyed Area
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Dumont d’Urville
D10 skiway
Prud’homme
Surveyed Area – Service hydrographique etOceanographique de la Marine (SHOM)December 1998 to March 1999 andDecember 1999 to March 2000
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Electronic Navigational Chart (ENC) Coverage
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Antarctic Maritime Traffic Analysis
Alex Shernoff, [email protected], 571-353-1733
Mark Carhart, [email protected], 703-868-6308
Adam Dunbar, [email protected], 720-643-
2250
February 2019Unclassified
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Global Satellite-based AIS
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ANTARCTIC MARITIME AIS ANALYSISDATA & ENVIRONMENT OVERVIEW
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● Data○ Satellite and Terrestrial AIS data obtained
from Spire’s Vessels API
○ Date Range: March 7, 2018 to Feb 3, 2019
○ Data Pulled at -40deg Lat and lower
○ Contains ~15,500 vessels
● Environment○ Data analysis and visualization powered by
MapLarge
○ Rendered in WGS84 projection with
Cesium API for the 3D globe
● Methodology○ Created Ship Tracks (Linestrings) based on
the Point data for each unique MMSI
○ No ‘long linestring’ or ‘land masking’ applied
○ Very little outlier elimination
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Antarctic Overview15,000+ Vessels Over ~11 Months
Terre
Adélie
Dumont
D'Urville
Date Range 3/7/18 to 2/3/19
-40°
Latitude
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Antarctic Peninsula Crowded MultiNational Waterways
Date Range 3/7/18 to 2/3/19
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Dumont D'Urville/Terre AdelieTraffic Entering/Exiting the Territory
Date Range 4/10/18 to 1/23/19
Terre
Adélie
Dumont
D'Urville
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Dumont D'Urville/Terre AdelieTighter Polygon Search Around Dumont D’Urville
Date Range 5/1/18 to 1/17/19
Terre
Adélie
Dumont
D'Urville
Hobart,
Tanzania
Syowa
Station
(JP)
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Hardcopy International (INT) Chart Coverage
INT9014Aus603
1:5,000 berth1:25,000 harbour
(2011)
INT9016FR7594
1:10,000 berth1:30,000 approach1:100,000 coastal
(2004)
INT9017FR7593
1:20,000 harbour(2002)
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Next steps for IHO
• Develop analysis that summarizes ENC traffic density based on ENC cells
• Develop appropriate overlay for IHO INToGISII
• Consider scaling to other regions and ENC holdings including member states and regional commissions