Influence Of Climate And Anthropogenous
Activity On The Terrigenous Sedimentation
Dynamics Of The Sea Of Azov In The Second
Part Of The XXth Century
Author(s)
S. V. Berdnikov & V. V. Sorokina
Abstract
Spatiotemporal peculiarities of terrigenous sedimentation in the second part of
the XXth century are analyzed on the basis of balance calculations with the
application of a spatially detailed mathematical model of transport and
sedimentation of suspended matter adjusted for the Sea of Azov. The setup and
calibration of this model are described and an interpretation of the results is
carried out.
According to climatic fluctuation and anthropogenous activity, four periods of
terrigenous sedimentation in the second part of the XXth century are determined.
The schemes of deposition and erosion sediment matter are made. The general
tendency of a decrease in terrigenous matter accumulation and an increase in the
squares of negative balance of terrigenous matter is caused by a 2.5-fold
reduction of volume in the transported land matter. In the study period, the
intensity of sedimentation decreased from 1000 to 400 g/m2 per year.
Keywords: terrigenous sedimentation, mathematical modelling, the Sea of Azov.
1 Introduction
The Sea of Azov is a small and shallow sea in the southern part of European
Russia (the area of the water surface is 38 000 km2, and the maximum depth is
13,5m), fig. 1. More than 10 million people live in the Azov basin. The unique
complex of natural conditions determines the peculiarity of the process of
modern sedimentation: the extreme dynamics and great spatial changeability.
Keywords
terrigenous sedimentation, mathematical modelling, the Sea of Azov.
Related Book
Other papers in this volume
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