THE UPPER COURSES OF THE SUKHOI LIMAN BOTTOM MORPHOMETRY & DYNAMICS
Journal Title: Вісник Одеського національного університету. Географічні та геологічні науки - Year 2017, Vol 22, Issue 1
Abstract
Problem Statment and Purpose. The Black Sea limans are studied quite well. However, the upper limans are being left almost undeveloped, in spite of the economic activity expansion perspectives. Accordingly, main aim of the article is to examine of the upper courses of the Sukhoi liman bottom morphometry and relief. In this connection an overall objective of present article is consideration of a relief of a bottom and morphometry performances of the upper courses of the Sukhoi liman. Data&Methods. Received results are based on the field surveying works of the upper courses of the Sukhoi liman water area during years 2015-2017. Surveying works were carried out by standardized method by water level control. Work was carried out with the usage of echo depth-sounders and GPS-receivers. For the depth measuring a surveying mark was used. Morphometric features were calculated by formulas used in hydrometry. Processing of the measurement results, cartographical and cartometrical works are carried out with the usage of GIS methods. Results. Examination of the bottom relief showed its complicated structure. Coastal shallow waters and deep-water fairway are emphasized among main elements. In deep-water part depths up to 6 meters are measured, in shallow water part – up to 1 meter maximum. Within the water body the biggest area with the corresponding coastal shallow water amounts 66,2%. The deep-water part amounts 13,6%, which is 5 times less. General process of silting with the average speed of +0,002 m/year is typical. Bottom wash-out is registered at the shallow water, whereas at the deepwater part there is accumulation of sediments. Main feature of the relief development at the coastal shallow water is island formation. Total area of islands occupies 0,4% of the water body.
Authors and Affiliations
O. O. Stoyan, O. B. Murkalov, O. V. Skalenchuk
Keywords
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