1. ESSnet on Big Data: AIS-data

2. What is AIS
The Automatic Identification System (AIS) is an automatic tracking system used on ships and by vessel traffic services (VTS) for identifying and locating vessels by electronically exchanging data with other nearby ships, AIS base stations, and satellites.
An AIS-device is (at sea) obliged for:
All ships > 300 GT
All passengers ships
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3. 3 Data Most important variables (class A – reciever):
IMO-number (other register-based info can be linked to IMO-number)
MMSI-number
name and callsign
Speed over ground – 0.1-knot (0.19 km/h) resolution from 0 to 102 knots (189 km/h)
Positional accuracy:
Longitude – to minutes
Latitude – to minutes
Course over ground – relative to true north to 0.1°
Type of ship/cargo
Dimensions of ship – to nearest meter
Draught of ship – 0.1 meter to 25.5 meter
Navigation status – "at anchor", "under way using engine(s)", "not under command", etc.
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4. 4 Outputs Prototype reference frame of ships in european waters
Linking with data from port authorities
Prototype reference frame of ships in european waters
Traffic analyses
Emission calculations
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5. 5 Challences Data collection:
using dataset at national level (no/low costs)
using one dataset at European level (high costs)
Data requirements:
to process and store the data in such a way that they
can be used for consistent multiple outputs, like the
ones mentioned on previous slide
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6. 6 Strongest point AIS Generic dataset at European level
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7. Example traffic analysis
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8. 8 Participants Netherlands Denmark Greece Norway Poland
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9. 9 Deliverables 4.1 Description of database with AIS-data: July 2016
Deriving harbour visits from AIS-data - methodological document. November 2016
4.3 Linking AIS-data with data from port authorities - methodological document, including examples. November 2016
4.4 Traffic analyses using AIS-data – document plus examples and/or visualisations. April 2017
4.5 Emission calculations and national and European level based on AIS-data- document including examples of estimates End 2017
The potential of using AIS-data for official statistics in Europe
– final document of WP. February 2018
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