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The middle reaches of the Tsangpo River consist of alternating sections of wide valleys and gorges. The wide valley sections have braided and anastomosing channels, gentle hydraulic gradients, thick alluvial deposits and low terraces. In contrast
, the gorge sections exhibit single, straight and deeply entrenched meandering channels with steep hydraulic gradients, bare rock river beds and higher terraces. Several hypotheses have been used to explain these unusual fluvial landforms, but geological
1998

of dolines, draining, erosional (tectonic) karstic gorges and gullies ; c. intrinsic ensembles of landforms : karstic plateaus (planinas). - (ZK)
1998

This paper describes the use of geomorphological mapping in the assessment of the natural hazards along a highway in eastern Taiwan, Taroko Gorge. Detailed records of the size and occurrence of rockfalls and landslides affecting the highway have
1998

naissance dans un secteur gelé affecté par une avalanche neigeuse en 1992. Les cendres tombées des flancs de la gorge ont tapissé le manteau neigeux compacté, le protégeant ainsi de la fusion.
1998

is focused on the valley segments of different character closely related to the geomorphic evolution of the Bódva Valley (basins and gorges) and on the intrinsic system of terraces. - (ZK)
1998

bordure des gorges de la Melendiz, caractérisent un régime sédimentaire à dominante fluviatile (Belisirma) ou fluvio-lacustre (Ihlara), puis l'activité pyroclastique se développe à l'est du volcan (Petit Hasan dag). Elle engendre 4 groupes de retombées
1998

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