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Morphometric and geological conditions for sediment accumulation in the Udava River, Outer Carpathians, Slovakia

Morphometric and geological conditions for sediment accumulation in the Udava River, Outer Carpathians, Slovakia

作     者:BARABAS Dusan BONA Jan KLEIN Daniel BALAZOVICOVA Lenka 

作者机构:Pavol Jozef Safarik University Institute of Geography Faculty of Science Jesenna 5 040 01 Kosice Slovakia Kpt. Jarosa 13 040 22 Kosice Slovakia Pavol Jozef Safarik University Institute of Mathematics Faculty of Science Jesenna 5 040 01 Kosice Slovakie Matej Bel University Institute of Geography and Geology Faculty of Natural Sciences Tajovskeho 40 97401 Banska Bystrica Slovakia 

出 版 物:《Journal of Geographical Sciences》 (地理学报(英文版))

年 卷 期:2017年第27卷第8期

页      面:981-998页

核心收录:

学科分类:0709[理学-地质学] 081803[工学-地质工程] 07[理学] 08[工学] 0818[工学-地质资源与地质工程] 081502[工学-水力学及河流动力学] 0815[工学-水利工程] 

主  题:Flysch Carpathians Udava River river channel channel bar accumulation longitudinal profile 

摘      要:The accumulation of sediment in river channels is a phenomenon that is not only influenced by the channel morphology, but also by the physical and geographical character- istics and the endogenous and exogenous processes taking place in the catchment. This paper presents an analysis of the impact the changes in lithological conditions have on the morphological and morphometric parameters of the Udava River channel and their relation to the channel accumulation forms representative of the river's longitudinal profile as well as of its planform. Results document when accumulation forms occur and what is their spatial dis- tribution within the longitudinal and cross-sectional river profiles. More resistant structures created sections with a lower degree of sedimentation, while in depression segments the degree of sedimentation was higher. With the increase in longitudinal slope, the impact of channel width on the average channel bar size increased. Also a difference in the accumula- tion was observed between the left and right bank which could be possibly explained by the impact of Coriolis force.

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