THE ROLE OF RIVERBED AND FLOODPLAIN MORPHOMETRIC CHARACTERISTICS IN HYDRAULIC DESIGN

N. B. Baryshnikov; E. S. Subbotina

doi:10.15356/0435-4281-2014-2-

THE ROLE OF RIVERBED AND FLOODPLAIN MORPHOMETRIC CHARACTERISTICS IN HYDRAULIC DESIGN

N. B. Baryshnikov, E. S. Subbotina

https://doi.org/10.15356/0435-4281-2014-2-

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Abstract

Morphological structure of the river bed and flood plain determines hydraulic parameters on the given reach of the river. Using morphological and hydraulic parameters of the river bed and flood plain streams one may assess their mean velocity and runoff with sufficient for practical purposes accuracy. The length of the designed river interval should by of sufficient length but less then distance between two adjacent bars. The accuracy of the assessments depends on that of the angle measurements between geometric axes of channel and flood plain and on the scale of the land survey on the designed interval. The morphology of the flood plain is of great importance too, especially the height of the beach barrier edge and the existence of vegetation on it, as they govern the dynamics and directions of the flood plain streams.

Keywords

morphological structure, flood plain streams, morphometric characteristics, flood plain morphology, stream hydraulic

About the Authors

N. B. Baryshnikov

Russian State Hydrometeorological University, Saint Petersburg
Russian Federation

E. S. Subbotina

Russian State Hydrometeorological University, Saint Petersburg
Russian Federation

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Review

For citations:

Baryshnikov N.B., Subbotina E.S. THE ROLE OF RIVERBED AND FLOODPLAIN MORPHOMETRIC CHARACTERISTICS IN HYDRAULIC DESIGN. Geomorfologiya. 2014;(2):31-35. (In Russ.) https://doi.org/10.15356/0435-4281-2014-2-