論文

査読有り
2008年

Reflectance characteristics of major land surfaces in slash-and-burn ecosystems in Laos

INTERNATIONAL JOURNAL OF REMOTE SENSING
  • Y. Inoue
  • ,
  • J. Qi
  • ,
  • A. Olioso
  • ,
  • Y. Kiyono
  • ,
  • T. Horie
  • ,
  • H. Asai
  • ,
  • K. Saito
  • ,
  • Y. Ochiai
  • ,
  • T. Shiraiwa
  • ,
  • L. Douangsavanh

29
7
開始ページ
2011
終了ページ
2019
記述言語
英語
掲載種別
研究論文(学術雑誌)
DOI
10.1080/01431160701442039
出版者・発行元
TAYLOR & FRANCIS LTD

The in situ reflectance spectra in the 400-2500nm wavelength region were obtained using a portable radiometer over a range of land surfaces including burnt fields, crop canopies, and fallow vegetation at different community ages in slash-and-burn ecosystems in Laos. Normalized difference spectral indices (NDSI[i,j]=[R-j-R-i]/[R-j+R-i]) were derived using reflectance R-i and R-j at i and j nm wavelengths for a thorough combination (14706 pairs) of 172 wavebands (10-nm resolution). The separability of burnt fields from dry/senescent vegetation was highest at NDSI[1090, 2390], whereas it was highly discriminated from fallow and crop vegetation by NDSI[760, 1970]. NDSIs using 730-760nm with 1970-1990nm showed the largest differences between dry/senescent vegetation and fallow or crop vegetation. None of the NDSIs was useful in discriminating between fallow and crop vegetations or between slashed/senescent vegetation and crop residue/abandoned field. Community age and biomass of fallow vegetation could not be inferred directly from spectral information, since no NDSIs showed any significant differences among crop and fallow vegetation that had a large variability in the amount of green vegetation. Results would provide useful information for various applications of optical satellite sensor images especially in assessments of land use or post-fire regeneration of vegetation.

リンク情報
DOI
https://doi.org/10.1080/01431160701442039
J-GLOBAL
https://jglobal.jst.go.jp/detail?JGLOBAL_ID=200902247164560764
Web of Science
https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=JSTA_CEL&SrcApp=J_Gate_JST&DestLinkType=FullRecord&KeyUT=WOS:000254346000011&DestApp=WOS_CPL
ID情報
  • DOI : 10.1080/01431160701442039
  • ISSN : 0143-1161
  • J-Global ID : 200902247164560764
  • Web of Science ID : WOS:000254346000011

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