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cquisition of Evidential Information to Control Total Volume of Road Density per Tributary Watershed

  • Journal of Environmental Impact Assessment
  • Abbr : J EIA
  • 2005, 14(5), pp.317-335
  • Publisher : Korean Society Of Environmental Impact Assessment
  • Research Area : Engineering > Environmental Engineering

Um, Jung Sup 1

1경북대학교

Accredited

ABSTRACT

This paper is primarily intended to propose a new concept of “aggregate control of roaddensity” which is defined as the area-wide road surface per watershed area. An empirical studyfor experimental sites was conducted to confirm how a standard GIS technology can be used toassist in estimating the road density in terms of total volume threshold control. Guidelines for areplicable methodology are presented to provide a strong theoretical basis for thestandardization of factors involved in the estimation of the road space threshold; themeaningful classification of road types, delination of watershed boundary, interpretation fordistribution trends of road density etc. A variety of visual maps using overlay analysis can begenerated over large areas quickly and easily to show the fact that some degree of road spacealready exists in the experimental sites. They could be used as an evidence to limit furtherconstruction of road network in comparison with other tributary watershed. It is anticipatedthat this research output could be used as a valuable reference to confirm the potential ofintroducing the new concept of “site specific road density” to support more scientific andobjective decision-making in the process of road construction project.

Citation status

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