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Ecological applications of physically based remote sensing methods

Author:
  • Miina Rautiainen
  • Janne Heiskanen
  • Lars Eklundh
  • Matti Mottus
  • Petr Lukes
  • Pauline Stenberg
Publishing year: 2010
Language: English
Pages: 325-339
Publication/Series: Scandinavian Journal of Forest Research
Volume: 25
Issue: 4
Document type: Journal article review
Publisher: Taylor & Francis

Abstract english

Global monitoring of vegetation using optical remote sensing has undergone rapid technological and methodological development during the past decade. Physically based methods generally apply reflectance models for interpreting remotely sensed data sets. These methods have become increasingly important in the assessment of terrestrial variables from satellite-borne and airborne images. Products based on satellite images currently include various ecological variables that are needed for monitoring changes in forest cover, structure and functioning, including biophysical variables such as the amount of photosynthesizing leaf area. This paper reviews variables and global products estimated from optical satellite sensors describing, for example, the amount and functioning of green biomass and forest carbon exchange. Continuous validation work as new vegetation products are released continues to be important. More emphasis is needed on the collection of field data equivalent to satellite retrievals, data harmonization and continuous measurements of seasonal forest dynamics.

Keywords

  • Physical Geography
  • LUE
  • LAI
  • fAPAR
  • albedo
  • chlorophyll
  • NPP
  • reflectance model

Other

Published
  • ISSN: 0282-7581
E-mail: lars [dot] eklundh [at] nateko [dot] lu [dot] se

Professor

Dept of Physical Geography and Ecosystem Science

+46 46 222 96 55

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Teaching staff

Dept of Physical Geography and Ecosystem Science

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Department of Physical Geography and Ecosystem Science
Lund University
Sölvegatan 12
S-223 62 Lund
Sweden

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