Résultats de recherche pour "vial geomorphology"

The trinity of crystallization process, ice transport and iceforms

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A conceptual model of cold rivers Based on average monthly minimal temperature data and major basins distribution, it can be es timated that ice processes occur in 60 % of major ri ve r basins in tbe northern hemispbere (fig....

L’approche hydrogéomorphologique : pratiques, valorisations et développement d’une méthode de cartographie des zones inondables

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L’approche hydrogéomorphologique : pratiques, valorisations et développement d’une méthode de cartographie des zones inondables Les grands concepts de la géomorphologie : fondements de la cartographie hydrogéomorphologique La géomorphologie (du grec gê, terre ; morphê, forme ; logos, discours) est la...

Carbone organique à l’échelle d’un bassin versant agricole

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Carbone organique à l’échelle d’un bassin versant agricole Measurement of suspended sediment concentrations in rivers  There are many different techniques of suspended sediment concentration presented by Wren et al. (2000) such as acoustic, bottle sampling, pump sampling, focused beam reflectance,...

Analyse morphotectonique et géomorphologique de la bordure nord de Bornéo (Malaisie)

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A myriad of geomorphic expressions consisting of fascinating physical landscapes and intricately sculpted landforms envelop the upper lithosphere of our planet. The scientific analysis of Earths landscapes and the investigation of processes that mold landforms are the fundamental facets of...

Composition et origine des matériaux constituant les sols

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Mechanical soil erosion is a natural phenomenon which became a problematic issue for farmers and rural communities since it has been accelerated, i.e. when natural rate has been significantly increased by human activities. Since the second World War, agricultural practices...

Multi-scale Assessment of Environmental Changes Impact on Subarctic Glacierized Watersheds Hydrology

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Glaciers hydrology Since there exists a large body of literature about glaciers hydrology in all regions, this section is mostly based on the reviews and “classic” works in glaciology and glacier hydrology. Also, as this project is based in a...

Augmentation récente de la croissance arbustive

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Augmentation récente de la croissance arbustive  Les arbustes sont des espèces ligneuses et pérennes qui peuvent vivre jusqu' à plusieurs siècles. Au nord de la limite latitudinale et altitudinale des arbres, les arbustes constituent souvent la plus grande forme de...