Comparison of relief using different mapping method

Abstract

The aim of this research is to compare contour lines drawn in different mapping method. Objectives of the work: review application of digital and analogical contour creation methods for mapping, carry out research of horizontals comparing on plain and hilly terrain. Analysis of changes in hilly and plain relief shows that in 77.9 % of the plain relief area, where contour lines have been drawn in LiDAR method and in topographic map, the lines do not match, and in 22.1 % – match. Meanwhile, in even 94.1 % of cases in the hilly areas horizontals are completely different and in 5.9 % – match. Thus, horizontals crossing even 81.6 % of the total length of the sections are not identical, but the remaining 18.4 % – do match. The main reasons for differences – errors in recording the incorrect heights of contour lines, dense cover layer, the incorrect distance of horizontals.