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2002, Thales, Gunfleet Sands Offshore Wind Farm, Oceanographic Measurement Programme

2002, Thales, Gunfleet Sands Offshore Wind Farm, Oceanographic Measurement Programme

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Description

As an integral part of the Environmental Impact Assessment (EIA) for the proposed offshore wind
farm development on Gunfleet Sands, offshore Essex, Enron Wind Gunfleet Ltd commissioned an
oceanographic measurement programme. Thales Geosolutions (South Africa) (Pty) Ltd, hereafter
referred to as Thales, have been contracted to deploy two current/wave meters near Gunfleet Sands
for six months.
Gunfleet Sands is located 6km to the southeast of Clacton-on-Sea, and is orientated along a
northeast – southwest axis. The instruments were deployed either side of the shallow water to
identify changes in the current and wave regimes. The equipment was originally deployed on 17th
January 2002. The specification for the contract required the proposed instrumentation to measure current speed
and direction, tidal levels, directional wave parameters and turbidity. The most appropriate instrument
that satisfied all these requirements was the Valeport 730D; the standard wave, current and tide
recorders were modified to include a turbidity sensor. Two instruments were initially deployed on 17th
January 2002. The estimated water depths at the deployment locations were 12 metres for the
southern site and 13 metres for the northern location (relative to mean sea level). This series contains the reports and datasets associated with the monitoring programme.

Dataset

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GIS Data - 8th Performance Appraisal

TideStat N6 Data

WaveStat S6 Data

WaveStat N6 Data

WaveStat N5 Data

Processed Oceanographic Data - Service Visit 2 (South)

WaveStat S2 Data

Oceanographic Raw Data - Service Visit 2 (South)

TideStat S2 Data

Oceanographic Raw Data - Service Visit 1 (South)

TideStat Data - Service Visit 1 (South)

Raw and Processed Data - Service Visit 6 (South)

Plot of Zero Meaned Waves - 19th March 2002

Wavestat Data - Service Visit 1 (South)

Service Visit 1 Photos

Processed Data - Service Visit 1 (South)

Plot of Zero Meaned Waves - 28th Jan 2002

TideStat S6 Data

WaveStat S5 Data

Raw and Processed Data - Service Visit 5 (North)

TideStat N5 Data

Raw and Processed Data - Service Visit 6 (North)

Raw and Processed Data - Service Visit 5 (South)

TideStat S5 Data

Mobilisation Photos

Report

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Performance Appraisal Report - 8th Service Visit

Performance Appraisal Report - 2nd Service Visit

Hydrosearch Timesheets

Performance Appraisal Report - 1st Service Visit

WaveStat Figures - 4th Performance Appraisal

4th Performance Appraisal - Aerial Photograph

TideStat Figures - 4th Performance Appraisal

Performance Appraisal Report - 4th Service Visit

Survey Photographs - 4th Performance Appraisal

Hydrosearch Associates Ltd. Review of the First Data Appraisal Report (Ref 5914)

Quality Assurance Data Plots - 3rd Performance Appraisal

Performance Appraisal Report - 3rd Visit

Data Report 1

Mobilisation Report

Performance Appraisal - Mobilisation