Peer-reviewed articles 17,970 +



Title: GEOSPATIAL ANALYSIS OF GEOLOGICAL FACTORS OF CHERNOZEM DEGRADATION IN THE SOUTHERN PART OF UKRAINE

GEOSPATIAL ANALYSIS OF GEOLOGICAL FACTORS OF CHERNOZEM DEGRADATION IN THE SOUTHERN PART OF UKRAINE
Tetiana Kril; Ruslan Havriluk
10.5593/sgem2022/3.1
1314-2704
English
22
3.1
•    Prof. DSc. Oleksandr Trofymchuk, UKRAINE 
•    Prof. Dr. hab. oec. Baiba Rivza, LATVIA
Erosion dominates among the degradation processes of chernozems (black soils) in Ukrainian. It covers 32% of the total area of agricultural land – 14.9 million hectares. The development of erosion processes depends on the combined effect of factors: climatic, geomorphologic, geologic (including the characteristics of parent rocks), hydrogeologic and technogenic impact. The purpose of the research is the analysis of natural and technogenic factors of chernozems degradation in Ukraine to develop the principles of preservation and restoration of their fertility. The comparative-analytical method, mechanical-mathematical bases of engineering geology in a complex with approaches of the system analysis were used in carrying out research. Remote sensing data (ALOS PALSAR, Sentinel) have been processed using a geoinformation system to the database of indicators of erosion processes such as relief steepness and Normalized Difference Moisture Index (NDMI). The assessment of the development of degradation processes has been done for the territory of polygon “Kherson", Ukraine. The parent rocks are loess, loess loam and sandy loams, eluvial rocks (carbonate), alluvial soils. There is a risk of development of the following dangerous geological processes: flooding, subsidence of loess soils, soil erosion, karst, development of gully network. The degree of erosion (degradation) within the polygon varies from 10-20% to 30-40%. Research methods developed to establish the patterns of erosion processes determined by natural factors will allow the development of zonal systems of anti-erosion measures aimed at protecting fertile soils.
[1] T. Kril, S. Shekhunova. Terrain elevation changes by radar satellite images interpretation as a component of geo-environmental monitoring. 13th International Conference on Monitoring of Geological Processes and Ecological Condition of the Environment. 12 November 2019. doi:10.3997/2214-4609.201903176.
[2] Babichev S., Kril T.V., Shekhunova S.B., Wojcik W., 2021. Geo-informational approach to risk analysis of slope mass movement. CITRisk’2021: 2nd International Workshop on Computational & Information Technologies for Risk-Informed Systems, September 16–17, Kherson, Ukraine. http://ceur-ws.org/Vol-3101/Short23.pdf.
[3] Index DataBase. A database for remote sensing indices URL: https://www.indexdatabase.de/db/i-single.php?id=56 [4] ArcGIS Desktop. URL: https://desktop.arcgis.com/ru/arcmap/10.3/tools/spatialanalyst-toolbox/slope.htm.
The research was carried out within the international project under the aegis of UNESCO, IGCP 665 – Sustainable use of black soil critical zone “Global geoecological studies of black soil critical zone”.
conference
Proceedings of 22nd International Multidisciplinary Scientific GeoConference SGEM 2022
22nd International Multidisciplinary Scientific GeoConference SGEM 2022, 04 - 10 July, 2022
Proceedings Paper
STEF92 Technology
International Multidisciplinary Scientific GeoConference SGEM
SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Serbian Acad Sci and Arts; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; European Acad Sci, Arts and Letters; Acad Fine Arts Zagreb Croatia; Croatian Acad Sci and Arts; Acad Sci Moldova; Montenegrin Acad Sci and Arts; Georgian Acad Sci; Acad Fine Arts and Design Bratislava; Turkish Acad Sci.
253-258
04 - 10 July, 2022
website
8550
chernozems degradation, parent rocks, erosion processes, remote sensing data, geospatial analysis

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