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Metadata: 2000-2003, Garrad Hassan and Partners Ltd., Assessment of the Proposed Gunfleet Sand Offshore Wind Farm
Abstract:
Enron Wind Overseas Development Ltd instructed Garrad Hassan and Partners Ltd to conduct an independent assessment of the wind climate and expected energy production at the offshore wind farm of Gunfleet Sands near Clacton-on-Sea. Wind data was recorded at Gunfleet Sands Lighthouse for a period of approximately 2 years. Based on this recorded data, historical data recorded at Walton-on-the-Naze Meteorological Station and Harwich Haven authority meteorological mast it was concluded that the long-term mean wind speed is estimated to be 7.5 m/s at a height of 15.5m above. It is considered that the height of the anemometry above the platform of the lighthouse is insufficient for the wind speed measurements made to be clear from the influence of the lighthouse platform. An allowance has been made in the analysis reported here to account for the estimated effect on recorded wind speed. However, it is strongly recommended that another mast is installed on the Gunfleet Sand Lighthouse at a height of at least 15m above the lighthouse structure so a more accurate prediction of the long-term mean wind speed at the lighthouse can be determined.
Data holder:
The Crown Estate
| Other details | ||
| Internal code | Internally assigned metadata identifier | 18332 |
| Title | The title is used to provide a brief and precise description of the dataset such as 'Date', 'Originating organisation/programme', 'Location' and 'Type of survey'. All acronyms and abbreviations should be reproduced in full. | 2000-2003, Garrad Hassan and Partners Ltd., Assessment of the Proposed Gunfleet Sand Offshore Wind Farm |
| File Identifier | The File Identifier is a code, preferably a GUID, that is globally unique and remains with the same metadata record even if the record is edited or transferred between portals or tools. | 14990392-f26d-41ec-ae92-d7b94c28fe2d |
| Resource Identifier | This is the code assigned by the data owner. | TCE-518 |
| Resource type | The resource type will likely be a dataset but could also be a series (collection of datasets with a common specification) or a service. | series |
| Start date | This describes the date the resource starts. This may only be the year if month and day are not known | 1990-01-01 |
| End date | This describes the date the resource ends. This may only be the year if month and day are not known | 2003-12-31 |
| Frequency of updates | This describes the frequency with which the resource is modified or updated i.e. a monitoring programme that samples once per year has a frequency that is described as 'annually'. | notPlanned |
| Abstract | The abstract provides a clear and brief statement of the content of the resource. | Enron Wind Overseas Development Ltd instructed Garrad Hassan and Partners Ltd to conduct an independent assessment of the wind climate and expected energy production at the offshore wind farm of Gunfleet Sands near Clacton-on-Sea. Wind data was recorded at Gunfleet Sands Lighthouse for a period of approximately 2 years. Based on this recorded data, historical data recorded at Walton-on-the-Naze Meteorological Station and Harwich Haven authority meteorological mast it was concluded that the long-term mean wind speed is estimated to be 7.5 m/s at a height of 15.5m above. It is considered that the height of the anemometry above the platform of the lighthouse is insufficient for the wind speed measurements made to be clear from the influence of the lighthouse platform. An allowance has been made in the analysis reported here to account for the estimated effect on recorded wind speed. However, it is strongly recommended that another mast is installed on the Gunfleet Sand Lighthouse at a height of at least 15m above the lighthouse structure so a more accurate prediction of the long-term mean wind speed at the lighthouse can be determined. |
| Lineage | Lineage includes the background information, history of the sources of data, data quality statements and methods. | Enron Wind Overseas Development Ltd instructed Garrad Hassan and Partners Ltd to conduct this study. A 60 m tall meteorological mast has been installed at the proposed offshore wind farm site, the location of which is shown in Figure 2.2. Details of the measurements recorded at this location and the grid co-ordinates of the mast are presented in Table 2.1. The height of the measurements refers to height above mean sea level. The mast is a square lattice tower mounted on a monopile foundation as shown in Figure 2.3. All instruments are mounted using 2 m horizontal square section booms. The instruments are connected to these booms using 0.7 m tubular vertical booms. The wind data have been recorded using Thies instruments throughout with Thies Classic anemometers and Thies Classic wind vanes. A data logger has been utilised, programmed to record 10 minute mean wind speed and direction and the standard deviation of wind speed and direction. |
| Additional information | This describes relevant references to the data e.g. reports, articles, websites plus other useful information not captured elsewhere. | Presentation type: digital representation of a primarily textual item (can contain illustrations also) Supply media: 002 Origin: Garrad Hassan and Partners Ltd |
| Related keywords | ||
| Keyword | General subject area(s) associated with the resource, uses multiple controlled vocabularies | Wind stress and shear |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Air temperature | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Air pressure | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Wind strength and direction | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Consenting | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Agreement for Lease Area | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Energy resources | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Atmospheric conditions | |
| Geographical coverage | ||
| North | The northern-most limit of the data resource in decimal degrees | 51.752910014735 |
| East | The eastern-most limit of the data resource in decimal degrees | 1.2609909324585 |
| South | The southern-most limit of the data resource in decimal degrees | 51.710526813632 |
| West | The western-most limit of the data resource in decimal degrees | 1.1822141549296 |
| Responsible organisations | ||
| Role | The point of contact is person or organisation with responsibility for the creation and maintenance of the metadata for the resource. | pointOfContact |
| Organisation name | Orsted | |
| info@orsted.com | ||
| Role | The custodian is the person or organisation that accepts responsibility for the resource and ensures appropriate care and maintenance. If a dataset has been lodged with a Data Archive Centre for maintenance then this organisation is be entered here. | custodian |
| Organisation name | The Crown Estate | |
| Phone | +44 020 7851 5000 | |
| enquiries@thecrownestate.co.uk | ||
| Role | The originator is the person or organisation who created, collected or produced the resource. | originator |
| Organisation name | Garrad Hassan and Partners Ltd (dissolved) | |
| mde@thecrownestate.co.uk | ||
| Role | The distributor is the person or organisation that distributes the resource. | distributor |
| Organisation name | The Crown Estate | |
| Phone | +44 020 7851 5000 | |
| enquiries@thecrownestate.co.uk | ||
| Role | The owner is the person or organisation that owns the resource. | owner |
| Organisation name | Orsted | |
| info@orsted.com | ||
| Resource locators | ||
| Locator URL | Web address (URL) that links to the resource | https://www.marinedataexchange.co.uk/details/TCE-518/summary |
| Web address (URL) that links to the resource | https://www.marinedataexchange.co.uk | |
| Dataset constraints | ||
| 20.1 Limitations on Public Access - Access constraints | This states `otherRestrictions` from ISO vocabulary RestrictionCode and is an INSPIRE/GEMINI requirement. | otherRestrictions |
| 20.2 Limitations on Public Access - Other constraints | There will be no limitations when published on the Marine Data Exchange | |
| 21.1 Conditions for Access and Use - Use constraints | This states `otherRestrictions` from ISO vocabulary RestrictionCode and is an INSPIRE/GEMINI requirement. | otherRestrictions |
| 21.2 Conditions for Access and Use - Other constraints | This states any constraints on use of the data. Multiple conditions can be recorded for different parts of the data resource. If no conditions apply, then `No condtions apply` is recorded. This uses free text. | Data Must be used in accordance to the Marine Data Exchange's Terms of Use: https://www.marinedataexchange.co.uk/content/info/terms-of-use |
| Version info | ||
| Date of publication | The publication date of the resource or if previously unpublished the date that the resource was made publicly available via the MEDIN network. | 2021-05-17 |
| Harvest date | The date which this record has been (re)harvested from the provider. | 2026-09-27 |
| Metadata date | The date when the content of this metadata record was last updated. | 2026-09-10 |
| Metadata standard name | The name of the metadata standard used to create this metadata | MEDIN |
| Metadata standard version | The version of the MEDIN Discovery Metadata Standard used to create the metadata record | 3.1.2 |