ATBC 2008 - Helmer
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Symposium
Tropical Forest Monitoring with Remote Sensing across the Globe
Organizers : Eileen Helmer (ehelmer -at- fs.fed.us) and Valery Gond (valery.gond -at- gaap.ulaval.ca)
Recent space borne remote sensing data and image products have provided a rich resource for monitoring tropical forests anywhere on Earth. The availability of remote sensing data across tropical forests has never been so great. This symposium will focus on examples of using globally available remote sensing data and products that are new since 1999 to monitor tropical forest disturbances, structure, types and biophysical variables in ways not before possible. Presentations should emphasize imagery and image products that are free or lower cost (in the range of SPOT, Landsat, EO-1, ENVISAT). The new global datasets include global optical imagery with daily to bi-daily temporal resolution and better spatial and spectral resolution, as well as more widely available multispectral, hyperspectral, and radar imagery with resolutions of 10 to 30 m. New digital elevation models (DEMs) from the Shuttle Radar Topography Mission (SRTM) have made DEMs with 90-m spatial resolution available across the tropics. Studies have used these data to map forest types and structure with some detail. In addition, new space borne lidar data provide continuous return lidar waveforms for points across the globe.
Spot-VGT synthesis of the Guiana Shield (2005). (c) V. Gond, CIRAD