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A New GIS based Mountain Permafrost Distribution Model

Lukas U. Arenson, Matthias Jakob

In the proceedings of: GEO2010 Calgary: 63rd Canadian Geotechnical Conference & 6th Canadian Permafrost Conference

Session: M1-D

ABSTRACT: A new GIS supported mountain permafrost distribution model has been developed that is based on statistical analysis of morphologic terrain expressions from field observations and interpretations of aerial photographs and satellite images. Elevation, slope aspect, potential solar radiation and slope angles are determined from a digital elevation model within GIS and relationships for the possible or likely occurrence of permafrost developed. These relationships are used to create a permafrost distribution map that designates areas of possible and likely permafrost. The modular structure of the model allows continuous model improvements as new field observations become available as a project progresses.

RÉSUMÉ: Un nouveau modèle de distribution de pergélisol de montagne a été développé dans SIG sur la base d'analyse statistique des expressions de terrain morphologique d'observations, photos aérienne et images satellite. L'élévation, les aspects de pente, la pénétration du soleil et les inclinations de pente sont déterminées à partir d'un modèle numérique d'élévation dans SIG et les relations sont développées pour l'apparition possible ou susceptible de pergélisol. Ces relations sont utilisées pour créer une carte de distribution de pergélisol. La structure modulaire du modèle permet des améliorations continues comme nouvel essais in situ et observations sont disponibles au fur d'un projet avance. 1 INTRODUCTION

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Cite this article:
Lukas U. Arenson; Matthias Jakob (2010) A New GIS based Mountain Permafrost Distribution Model in GEO2010. Ottawa, Ontario: Canadian Geotechnical Society.

@article{GEO2010_059, author = Lukas U. Arenson; Matthias Jakob,
title = A New GIS based Mountain Permafrost Distribution Model,
year = 2010
}