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一种利用地形图和遥感影像提取小班界线的方法(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2009年02期
Page:
69
Column:
研究论文
publishdate:
2009-03-30

Article Info:/Info

Title:
A method to extract the subcompartment boundary from contour of the relief map supported using GIS technology
Author(s):
LI Weizheng1 AI Chang2 PENG Shikui1*
1.College of Forest Resources and Environment, Nanjing Forestry University, Nanjing 210037, China; 2.Office of Forestry Resources Supervision and Administration, State Forestry Administration, Beijing 100714, China
Keywords:
relief map contour slope DEM subcompartment division
Classification number :
S757
DOI:
10.3969/j.jssn.1000-2006.2009.02.017
Document Code:
A
Abstract:
Drawing the subcompartment boundary is an important step in establishing the subcompartmentbased forest resources inventory. It not only needs great ground work, but also is expensive and low efficient. This paper proposed a new method, the using contour of the relief map to extract the slope map. In order to use the slope map, the subcompartment boundary has to be drawn. During the extracting work, DEM and image processing were used via GIS technology. The results show that 70% of the extracted polygon lines can be superposed to the investigated subcompartment boundary.

References

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Last Update: 2009-03-30