Vegetation identification and biomass estimation using airsar data

  • Pairman D
  • McNeill S
  • Scott N
 et al. 
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Abstract

studied plantation forestry and indigenous scrub examine use of radar to quantify forest biomass- got relationship to forest biomass, but not scrub (could be due to small number of ground measurements) used 2 classification procedures based on polarimetric characterisitcs of backscatter ---------------------------------------------------------------------------------- NZ strategy: usetree planting to help balance total C budget much interest in radar as cost-effective way to monitor veg; relationships found genearlly apply to a specific set of conditions and veg type. Tree structure, wood density, and mositure content affect backscatter; so do temp, soil type, ground moisture, surface roughness, and slope. so, must examine in local environment for veg types of interest 1996 Pacific Rim AIRSAR campaign- full polarimetric multi-wavelength radar (still not in satellites) describe pre-processing (By landcare; to NZ grid) field sampling of scrub and exotic forest got underbark volumes with MARVL inventory stand carbon vlues estimeated using CARBON module in STANDPAK modeling system details of using radar image to relate to biomass.... predicted biomass is exponentially realtd to total power backscatter

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