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Potential of MODIS ocean bands for estimating CO2 flux from terrestrial vegetation: A novel approach

  • A. F. Rahman
  • , V. D. Cordova
  • , J. A. Gamon
  • , H. P. Schmid
  • , D. A. Sims
  • Ball State University
  • California State University Los Angeles
  • Indiana University Bloomington

Research output: Contribution to journalArticlepeer-review

108 Scopus citations

Abstract

A physiologically-driven spectral index using two ocean-color bands of MODIS satellite sensor showed great potential to track seasonally changing photosynthetic light use efficiency (LUE) and stress-induced reduction in net primary productivity (NPP) of terrestrial vegetation. Based on these findings, we developed a simple "continuous field" model solely based on remotely sensed spectral data that could explain 88% of variability in flux-tower based daily NPP. For the first time, such a procedure is successfully tested at landscape level using satellite imagery. These findings highlight the unexplored potential of narrow-band satellite sensors to improve estimates of spatial and temporal distribution in terrestrial carbon flux.

Original languageEnglish
Pages (from-to)L10503 1-4
JournalGeophysical Research Letters
Volume31
Issue number10
DOIs
StatePublished - 28 May 2004
Externally publishedYes

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