Continuity assessments of historical GISs: Historic thematic accuracy and data completeness
📜 Abstract
The use of Historical GIS (HGIS) continues to prove invaluable to a range of disciplines, most notably within history. This interest brings with it new requirements for HGIS, including the success of modern HGIS-generated outputs (such as maps and statistics) being increasingly dependent on the application accuracy of their predecessors. Many current approaches to map and data quality assessment are focusing on the examination of positional accuracy. In contrast, this paper tests whether existing resources can be used in-place to assess the thematic accuracy and data completeness of historical GISs through a study of renewable energy landscapes. Using case study examples grounded in the heritage landscapes of mid-20th century Wales, this paper demonstrates the application of techniques designed to assess the continuity of landscapes. The results demonstrate the utility of using existing resources in-place and present an approach designed to encourage the preservation of thematic accuracy alongside positional accuracy and data completeness within historical GIS frameworks.
✨ Summary
This paper discusses the importance of thematic accuracy and data completeness in Historical GISs, in contrast to the more traditionally examined positional accuracy. Through case studies of mid-20th century Welsh heritage landscapes, the study shows how existing resources can assess the continuity of historical landscapes effectively. This approach encourages preserving thematic and positional accuracy and data completeness within HGIS frameworks.
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