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Photogrammetric recording of the Roman earthworks ‘‘Cawthorn camps’’, north yorkshire

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Abstract:

Abstract

Cawthorn Camps is a Roman site of probable late 1st and early 2nd century date comprising two forts, one with a later annexe, and a camp. The site survives as earthworks and, within the main defences, there are many slight embanked structures. The current multidisciplinary programme of research has included geophysical prospection, excavation, ground and aerial survey; it is a joint initiative by the North York Moors National Park Authority and English Heritage. The project aims to increase academic understanding, improve information available to the public and assist the production of a revised management plan for this nationally important site.

Large-scale air photographs and digital photogrammetry have been used to produce a plan, at scale 1:500, of the earthworks to a precision of ±10 cm. This plan has been used as a base map with which to rectify other key photographs and plans allowing further detailed interpretation and mapping to be undertaken. The air photographic work has also investigated some of the products available through digital photogrammetric technology, such as digital elevation models (DEMs), orthophotographs and perspective views.

Keywords: Cawthorn Camps; Roman forts and camp; air photographs; digital photogrammetry; earthworks; hachured plan

Document Type: Research Article

DOI: https://doi.org/10.1111/j.1477-9730.2004.00033.x

Affiliations: 1: ( ) English Heritage., Email: jane.stone@english-heritage.org.uk 2: ( ) English Heritage, Email: mick.clowes@english-heritage.org.uk

Publication date: 2004-06-01

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