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The K&C PALSAR Mosaic of the African Continent: Processing Issues and First Thematic Results

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6 Author(s)
Gianfranco D. De Grandi ; DG Joint Res. Center, Eur. Comm., Ispra, Italy ; Alexandre Bouvet ; Richard M. Lucas ; Masanobu Shimada
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The Japan Space Exploration Agency Kyoto and Carbon (K&C) Initiative seeks to demonstrate the potential of the Advanced Land Observing Satellite (ALOS) Phased Arrayed L-band Synthetic Aperture Radar (PALSAR) data for addressing regional applications relating to climate change, carbon cycle science, and environmental conservation. This paper outlines the generation of a regional dual-polarization (HH and HV) mosaic for the entire African continent at spatial resolution on the order of 100 m. The main computational and radar science issues undertaken to generate a seamless mosaic with good radiometric and geometric accuracy are summarized. Preliminary investigations into the thematic information provided by the K&C Africa mosaic and comparisons with the JERS-1 SAR mosaic generated as part of the Global Rain Forest Mapping Project are reported, with emphasis placed on characterizing and detecting change in forests and savannas.

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IEEE Transactions on Geoscience and Remote Sensing  (Volume:49 ,  Issue: 10 )