Historic Seascape Characterisation: Bristol Channel and Severn Estuary

Cornwall Council, SeaZone Solutions Limited, 2011. https://doi.org/10.5284/1000421. How to cite using this DOI

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Citing this DOI

The updated Crossref DOI Display guidelines recommend that DOIs should be displayed in the following format:

https://doi.org/10.5284/1000421
Sample Citation for this DOI

Cornwall Council, SeaZone Solutions Limited (2011) Historic Seascape Characterisation: Bristol Channel and Severn Estuary [data-set]. York: Archaeology Data Service [distributor] https://doi.org/10.5284/1000421

Data copyright © Historic England unless otherwise stated

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Primary contact

Charlie Johns
Cornwall Council
Kennall Building, Old County Hall
Station Road
Truro
TR1 3AY
UK
Tel: 01872 322056

Send e-mail enquiry

Resource identifiers

Digital Object Identifiers

Digital Object Identifiers (DOIs) are persistent identifiers which can be used to consistently and accurately reference digital objects and/or content. The DOIs provide a way for the ADS resources to be cited in a similar fashion to traditional scholarly materials. More information on DOIs at the ADS can be found on our help page.

Citing this DOI

The updated Crossref DOI Display guidelines recommend that DOIs should be displayed in the following format:

https://doi.org/10.5284/1000421
Sample Citation for this DOI

Cornwall Council, SeaZone Solutions Limited (2011) Historic Seascape Characterisation: Bristol Channel and Severn Estuary [data-set]. York: Archaeology Data Service [distributor] https://doi.org/10.5284/1000421

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SeaZone Solutions Limited logo

Overview

The overall area to which the national HSC Methodology has relevance comprises England's coastal zone and its share of UK territorial waters and adjacent UK Continental Shelf to the limit of UK Controlled Waters.

Within that overall area, this project was limited to the English sector of the Bristol Channel and Severn Estuary and adjacent coastal zones. This Project Area enabled this project to complete coverage of all licensed and application areas for marine aggregates dredging in the English part of the Crown Estate's South West Region. It was recognised that the boundaries of this project area reflect administrative and practical constraints, and did not reflect any division in the continuum of the historic environment.

The western lateral extent of this project area is defined by a line from Hartland Point, Devon, at N51.02165, W4.524873 and extending due north-west to the point where it intersects with the seaward boundary defined below. Note that this extent includes Lundy Island within the project area. Across the inter-tidal zone and land behind the coast, the project area is delimited by a south-eastward extension of that same alignment.

To seaward along the Bristol Channel and Severn Estuary, this project area extends from the English coastline to the boundary with Welsh Assembly functions as defined in Schedule 3 of The National Assembly for Wales (Transfer of Functions) Order 1999. West from that Order's boundary limit, the project extends seaward to a line extending due west from the western tip of the boundary with Welsh Assembly functions to the point where it intersects with the project area's western limit defined above. East from that Order's boundary limit, the project area is defined by the Anglo-Welsh national boundary, as mapped on OS MasterMap, as it passes along and across the Severn Estuary and continues along the estuary of the River Wye, to its Normal Tidal Limit at Bigsweir Bridge on the A466.

Upstream along the River Severn from the Anglo-Welsh national boundary, the project area encompasses the river's full extent to its Normal Tidal Limits to the west of Gloucester.

The landward extent of the project area reaches at least the OS-mapped line of Mean High Water (MHW) but, in accordance with the national HSC methodology, it continues landward beyond that line to avoid any arbitrary truncation of HSC polygons and to accommodate inland areas perceived, from a maritime perspective, as possessing distinctively maritime character. This may have resulted in the inclusion of some areas on land that are discontinuous with MHW, for example to accommodate prominent inland areas serving as navigational daymarks, producing HSC polygons separate from the main body of the characterisation. The landward extent of the project area is confined to areas lying within England.

Subject to accommodation of inland areas perceived as possessing distinctive maritime character and the extent that they lie within England, all estuaries within the project area are included to their rivers' and tributaries' Normal Tidal Limits.


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