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Development and morphology of gullies in the river Daugava Valley, South - Eastern Latvia

Soms J.

Landform Analysis

2011

Vol. 17

183-192

In south-eastern Latvia many old gullies can be found, however, few studies hitherto have reported on their morphology and factors controlling their genesis. This paper presents results of the research covering morphometry, morphology and classification of gullies, the paleogeographic reconstruction of environmental conditions and factors that led to development of these erosion landforms in the river Daugava Valley. Obtained results permits to distinguish five morphogenetic types of gullies, which differ by topographic characteristics, shape of cross-profile, time of formation, and genesis. Simultaneously, presence of different types of gullies in the case study area geomorphologically reflects several incision-accumulation cycles of the erosion network development.