Virtual Posters
To submit your poster to the APECS Virtual Poster Session, simply fill out the form and upload your poster as a pdf (Maximum File Size is 3 MB) .
Note: If your poster has been presented at a conference, please include the conference information so we can properly acknowledge the original presentation of this work.
Please read the Terms of Submission before submitting your poster.
Virtual Posters
GEOPROCESSING TECHNIQUES APPLIED TO VEGETATION MAPPING OF ICE-FREE AREA OF HOPE BAY, ANTARCTIC PENINSULA
Terrestrial
SCAR Open Science Conference, Buenos-Aires, 3-6 August 2010
2010
Geoprocessing techniques (Geographic Information System - GIS) allow the mapping and spatial distribution of land surface environmental data, in a quick and efficient way. Based on GIS, we can also quantify and locate different geo-environments in the landscape. The aim of this work was the detailed mapping of vegetation types found in Hope Bay, Antarctic Peninsula. We used a digital elevation model produced by mean of a topographic GPS and orthorectified Quickbird satellite images. After image pre-processing, we extracted the limits of glaciers, lakes and ice-free areas. The visual interpretation of images was assisted by field work to help interpreting the vegetation patterns at 2,5 meters resolution. We identified 13 vegetation classes ranging from algae to lichens, dominated communities, mapped at 1:5.000 scale. The sub-aquatic marine algae occupies 24% of all vegetated area, where a vegetated terrain occupy 12,5% of total ice-free area at Hope Bay. All geographical information will be made available through the Instituto Nacional de Ciência e Tecnologia da Criosfera – Terrantar. (www.terrantar.com.br)
Antarctic Peninsula, vegetation, geoprocessing
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