Earth observation of vegetation status in a semi-arid environment: Comparison of TERRA MODIS and NOAA AVHRR satellite data

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Abstract

MODIS data are compared to NOAA AVHRR for derivation of bio-physical parameters in the semi-arid Senegal, West Africa. The dynamic range of the two MODIS Vegetation Indices CVI and EVI is generally much larger than for the corresponding NOAA AVHRR NDVI data. Correlation analyses show that the two MODIS indices correlate better than it is the case for MODIS CVI/NOAA AVHRR NDVI. The MODIS CVI correlates better to the MODIS fAPAR than the MODIS EVI/MODIS fAPAR. This indicates that MODIS CVI is related to the bio-physical parameter fAPAR while MODIS EVI relates to LAI which is important when modelling the Net primary production.
Original languageEnglish
Title of host publicationIGARSS 2002: IEEE International Geoscience and Remote Sensing Symposium and 24th Canadian Symposium on Remote Sensing : Proceedings: Remote Sensing: Integrating Our View of the Planet
VolumeI-VI
Publication date2002
Pages2205-2207
ISBN (Print)0-7803-7536-X
Publication statusPublished - 2002
Externally publishedYes
EventIEEE 2002 International Geoscience and Remote Sensing Symposium - Toronto, Canada
Duration: 24 Jun 200228 Jun 2002
http://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=7969

Conference

ConferenceIEEE 2002 International Geoscience and Remote Sensing Symposium
CountryCanada
CityToronto
Period24/06/200228/06/2002
Internet address
SeriesInternational Geoscience and Remote Sensing Symposium (igarss)

Keywords

  • Software
  • Geology
  • Engineering and Technology
  • Arid regions
  • Correlation methods
  • Ecosystems
  • Radar imaging
  • Radiometers
  • Satellite observatories
  • Vegetation
  • Advanced Very High Resolution Radiometer
  • Biophysical parameter
  • Continuity vegetation index
  • Enhanced vegetation index
  • Moderate Resolution Imaging Spectroradiometer
  • Remote sensing
  • Plants

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