publication . 2013

THE SECTOR OF FLUVIAL LIMANS IN THE SOUTHWEST OF DOBRUDJA – GENESIS, MORPHOGRAPHIC AND MORPHOMETRIC FEATURES

ROMANESCU GHEORGHE; PURICE CĂTĂLIN;
Open Access English
  • Published: 01 Mar 2013 Journal: Aerul şi Apa: Componente ale Mediului, volume 2,013, pages 47-54
  • Publisher: Cluj University Press
Abstract
The fluvial limans in the southwest of Dobrudja are the most typical forms of this kind found exclusively on the Romanian territory. Based on the morphometric records and on the interpretation of the geological deposits, the aim of this study is the genetic exploration of the lake within the southwest of Dobrudja. Throughout time, they have been interpreted as fluvio–maritime or even fluvio–lacustrine limans. The altimetric and granulometric records and their shape include them in the category of typical fluvial limans. Their subsequent evolution has led to significant clogging and to a decrease in the depth, caused by the strong erosion specific to excessive continental climate and to inadequate farming. The most interesting erosion processes – concerning the current shore – are governed by suffusion and lake erosion (through waves). The superficial deposits – loess and of a loessoid type – have a NW–SE wind-driven nature, just like those in Bulgaria; this is why they have managed to create accumulation levels included in the category of “constructed rasa”
Subjects
free text keywords: fluvial limans, genesis, current geomorphologic processes, loessoid deposits, suffusion, lcsh:Meteorology. Climatology, lcsh:QC851-999
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