IngentaConnect Systematic Assessment of Maps as Source Information in Landscape-...

Authors: Vuorela N.; Alho P.; Kalliola R.

Source: Landscape Research, Volume 27, Number 2, 1 April 2002 , pp. 141-166(26)

Publisher: Routledge, part of the Taylor & Francis Group

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Abstract:

A methodology is proposed for systematic map assessment to contribute to landscape-change research. Two major topic areas are dealt with, namely: content, quality and usefulness of landscape information on different maps; and methods used in the spatial conversion of maps into digital systems (e.g. geographical information systems). The major focus is on information about physical landscape characteristics (e.g. land cover) and land uses. The approach was tested using a sequence of nine large- and medium-scale basic maps of the island of Ruissalo in SW Finland from between 1690 and 1998. Fundamental differences were found in the thematic consistency of landscape information, mainly related to the scale, purpose and generalization of landscape information on different maps. Spatial matching was tested for a set of three old maps using four image rectification functions. The results showed that spatial matching of old maps is difficult, and success in rectification is influenced by many factors. Evaluation and selective transformation of landscape information from maps and the use of supportive information from other sources can assist in landscape-change analysis based on map sequences.

Keywords: MAPS; LANDSCAPE INFORMATION; LANDSCAPE CHANGE; GEOGRAPHICAL INFORMATION SYSTEM

Language: English

Document Type: Research article

Systematic Assessment of Maps as Source Information in Landscape-change Research