ACCUMULATIVE FORMS AND DIFFERENTIATION OF SEDIMENTS IN THE COASTAL ZONE OF THE KAMA RESERVOIR

N. N. Nazarov; A. V. Cherepanov

doi:10.15356/0435-4281-2014-4-60-68

ACCUMULATIVE FORMS AND DIFFERENTIATION OF SEDIMENTS IN THE COASTAL ZONE OF THE KAMA RESERVOIR

N. N. Nazarov, A. V. Cherepanov

https://doi.org/10.15356/0435-4281-2014-4-60-68

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Abstract

Accumulative forms may be divided into two groups by their morphology, spatial-temporal stability, and the trend of development. The first group is represented by relatively steady forms: beaches, coastal terraces, inset underwater terraces, mouth bars, spits. The second group is represented by the storm swells, tails, and cones forming on the shallows in early spring after the active slumping of the coastal benches or due to discharge of sediment at the mouths of ravines and gullies. The volume of the largest steady forms (bars, spits, coastal terraces) can reach 12 000 m3. The surveyed coastal site is represented by two mineralogical zones. In northern zone a sector of coastal slope – part of the third terrace – serves as a source of sand-gravel and sandy sediments containing resistant minerals (tourmaline, staurolite, leucoxene). The southern mineralogical zone is characterized by clearly expressed prevalence of silicon and hydroxides of iron. The leading process of coastal morpholithogenesis here is longshore drift.

Keywords

accumulative forms, Kama reservoir, classification, mineralogical zone, beach drif

About the Authors

N. N. Nazarov

Perm State University
Russian Federation

A. V. Cherepanov

Perm State University
Russian Federation

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For citations:

Nazarov N.N., Cherepanov A.V. ACCUMULATIVE FORMS AND DIFFERENTIATION OF SEDIMENTS IN THE COASTAL ZONE OF THE KAMA RESERVOIR. Geomorfologiya. 2014;(4):60-68. (In Russ.) https://doi.org/10.15356/0435-4281-2014-4-60-68