GEOMODELING OF EROSIVE DANGER OF THE REGIONS OF THE STEPPE OF UKRAINE ACCORDING TO THE MORPHOLOGICAL CHARACTERISTICS

Yaremko Yu.I. and DudÑ–ak N.V.
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DudÑ–ak N.V.: Kherson State Agricultural University

Balanced Nature Using, 2019, vol. 14, issue 2, 106-119

Abstract: The results of the morphological analysis of the erosivedanger of the regions of the steppe of Ukraine (Dniprovska, Zaporizhska, Kirovograd, Mykolayiv, Odessa, Kherson regions with a total area of research — 167.4 thousand km2) with the usage of GIS and RSE-technologies are presented. It is determined that about 76% of the territory of the region of research is subject to systematic erosion of soils in terms of forests. Territory with a share of lands with slopes of steepness more than 1° more than 50% has made 115.8 thousand km2 (69.2%); over than 2° more than 30% with a total area of 100.4 thousand km2 (60.3%); overthan 3° more than 20% make 50.0 thousand km2 (29.9%); over than 5° more than 10% make 23.0 thousand km2(13.7%). About 44.2% of agricultural land is potentially related to weakly ground soils, 10.8% of medium-sized ones, and 5.2% of strongly-edged. It is accentuated that by the indicator of the southern exposure slopes, about 36% of agricultural land is characterized by an increased level of erosion processes during snowmaking. The obtained results have provided an opportunity to determine the spatially discrete-distributed priority needs for the implementation of adaptive-landscape anti-erosion design with elements of soil protection agriculture.

Keywords: erosion; morphological characteristic; plowing; forest; slopes; slope exposure; steppe zone. (search for similar items in EconPapers)
Date: 2019
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