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Type of publication: research article
Type of publication (PDB): Straipsnis konferencijos medžiagoje kitose duomenų bazėse / Article in conference proceedings in other databases (P1c)
Field of Science: Miškotyra / Forestry (A004)
Author(s): Bikuvienė, Ina
Title: The influence of different inventory techniques on the geometrical accuracy of forest geographic data
Is part of: Research for rural development 2008: international scientific conference proceedings, Jelgava, Latvia. Jelgava : Latvia University of Agriculture, 2008
Extent: p. 117-121
Date: 2008
Keywords: Forest inventory;Geographic data;Accuracy;Geo-reference background
Abstract: This paper deals with the evaluation of the geometrical accuracy of Lithuanian forests compartments geographical data that has been developed using different forest inventory techniques. Geo-reference background database GDB10LT was used as the standard for comparisons. 2500 control points on clearly identifiable places - crossroads, dikes' intersections, etc. - were selected randomly. The main finding was that the maximal positional root mean square error of clearly identifiable objects in forestry geographic data was 16.47 m (12.37 m and 10.87 m for X and Y coordinates respectively). However, such rather big errors refer to the techniques of GIS database development using paper topographic maps as a background for forest maps and manual digitizing. Enhancement of techniques for GIS database development was found to lead to significant increase in geometrical accuracy of the information
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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