5 Data Sources

  1. This section summarises the main data sources used to characterise the shipping and navigation baseline relative to the Array.

5.1 Summary of Data Sources

  1. The main data sources used to characterise the shipping and navigation baseline relative to the Array are outlined in Table 5.1.

 

Table 5.1: Data Sources Used to Inform the Shipping and Navigation Baseline

Data

Source(s)

Purpose

Vessel traffic

Winter vessel traffic survey data consisting of AIS, Radio Detection and Ranging (Radar) and visual observations for the shipping and navigation study area (14 days; 07 to 21 December 2022) recorded from a dedicated survey vessel on site.

Characterising vessel traffic movements within and in proximity to the Array in line with MGN 654 (MCA, 2021) requirements.

Summer vessel traffic survey data consisting of AIS, Radar and visual observations for the shipping and navigation study area (14 days; 02 to 18 July 2023) recorded from a dedicated survey vessel on site.

AIS data for the shipping and navigation study area (12 months, January to December 2022) recorded from coastal and satellite receivers.

Validation of the vessel traffic surveys and characterising seasonal variations.

Anatec’s ShipRoutes database (2023).

 

Secondary source for characterising vessel traffic movements including cumulatively within and in proximity to the Array.

 

Maritime incidents

Maritime Accident Investigation Branch (MAIB) marine accidents database (2002 to 2021).

Review of maritime incidents within and in proximity to the Array.

Royal National Lifeboat Institution (RNLI) incident data (2013 to 2022).

Department for Transport (DfT) UK civilian SAR helicopter taskings (April 2015 to March 2023).

Recreational traffic density and features

UK Coastal Atlas of Recreational Boating 2.1 (RYA, 2019)

Characterising recreational activity within and in proximity to the Array.

Other navigational features

Admiralty Charts 273 (United Kingdom Hydrographic Office (UKHO), 2023).

Characterising other navigational features in proximity to the Array.

Admiralty Sailing Directions NP54 (UKHO, 2021).

Weather

Wind direction data (data taken from metocean buoys deployed on site between August 2022 and August 2023).

Characterising weather conditions in proximity to the Array for use as input to the collision and allision risk modelling.

Site-specific hindcast sea state dataset (data taken from metocean buoys deployed on site between August 2022 and August 2023).

Visibility data provided in Admiralty Sailing Directions NP54 (UKHO, 2021).

Site-specific hydrodynamic hindcast dataset.