Determination of Vegetation Coverage By Photograph and Automatic Calculation

ZHANG Wen-bo; LU Bing-jun; SHI Wei

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Determination of Vegetation Coverage By Photograph and Automatic Calculation

- Determination of Vegetation Coverage By Photograph and Automatic Calculation
- Bulletin of Soiland Water Conservation Vol. 28, Issue 2, Pages: 39-42(2009)
- 作者机构：
  
  1. 北京师范大学地理学与遥感科学学院,北京,100875
  3. 北京市水土保持工作总站,北京,100038
- 作者简介：
- 基金信息：
- DOI：
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- Published：2009
- 稿件说明：
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ZHANG Wen-bo, LU Bing-jun, SHI Wei. Determination of Vegetation Coverage By Photograph and Automatic Calculation[J]. Bulletin of Soiland Water Conservation, 2009, 28(2): 39-42.
DOI：

ZHANG Wen-bo, LU Bing-jun, SHI Wei. Determination of Vegetation Coverage By Photograph and Automatic Calculation[J]. Bulletin of Soiland Water Conservation, 2009, 28(2): 39-42. DOI：

摘要

植被覆盖度是描述陆地表面植被特征的-个重要参数。快速准确的测量植被覆盖度

对研究植被覆盖与土壤侵蚀关系

植被覆盖的水土保持效益

以及土壤侵蚀预报等具有重要意义。在多年实践的基础上研制出的便携型植被覆盖度摄影仪

适用于野外平地或山坡的植被覆盖度的照相测量

能方便地调节相机距地表面高度和增强相机的拍摄稳定性。同时开发了便携型植被覆盖度摄影仪的配套软件——植被覆盖度自动计算系统(PCOVER)

能对获取的植被图像进行自动判读并估算植被覆盖度

实际应用显示有很好的判读精度。

Abstract

Coverage is a very important parameter for describing the vegetation characteristics of land surface.Determining vegetation coverage quickly and exactly is important to research the relationship between vegetation coverage and soil erosion

benefit of soil and water conservation from vegetation coverage，and prediction of soil erosion. The portable photographic instruments for vegetation coverage，which had been developed through several years' practice

was adaptive to determine vegetation coverage by vertical photograph on the flat and sloping field，and could regulate the height from camera to land，enhance the stability of cam- era. Meanwhile

the matching software of portable photographic instruments PCOVER was developed， which could identify the vegetation from photograph automatically and calculate the vegetation coverage accurately. And it had been proved exactly in practice.

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