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INFLUENCE OF THE VERKHE-SHIRVAN CANAL ON CHANGES OF HYDROGEOLOGICAL AND MELIORATIVE CONDITIONS OF THE SHIRVAN STEPPE OF AZERBAIJAN

Izvestiâ Tomskogo politehničeskogo universiteta. Inžiniring georesursov, 2021-10, Vol.332 (10), p.116-126 [Peer Reviewed Journal]

ISSN: 2500-1019 ;EISSN: 2413-1830 ;DOI: 10.18799/24131830/2021/10/3399

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  • Title:
    INFLUENCE OF THE VERKHE-SHIRVAN CANAL ON CHANGES OF HYDROGEOLOGICAL AND MELIORATIVE CONDITIONS OF THE SHIRVAN STEPPE OF AZERBAIJAN
  • Author: Chingiz Cahangir oglu Gulmammadov
  • Subjects: canal ; chemical composition ; ground water level ; impact ; land reclamation division into districts ; mineralization ; salting ; subsoil waters
  • Is Part Of: Izvestiâ Tomskogo politehničeskogo universiteta. Inžiniring georesursov, 2021-10, Vol.332 (10), p.116-126
  • Description: The relevance of the research consists in studying the change of the level, chemical content, conditions of formation, regime of groundwater and salinity of soils under the influence of anthropogenic factors over a long period of time and in this background the formation of hydrogeological-meliorative conditions. The main aim is to study the change of the hydrogeological-meliorative conditions under the anthropogenic influence in the territories of its effect zone after putting into operation Verkhne-Shirvan canal. Objects of the research are the effect zone of the Verkhne-Shirvan canal of Shirvan plain of the Republic of Azerbaijan. Methods. Based on the results of research conducted by the author on the level, mineralization degree of groundwater and salinity of soils over a long period of time and the data collected the hydrogeological-meliorative division into districts was carried out. Results. Due to the operation of the Verkhne-Shirvan canal, the level of groundwater, the degree of mineralization, the chemical content and the salinity and chemical content of the salts have changed in its effect zone. From 1958 to 2018 groundwater in this area rose by more than 4,0 m due to irrigation reclamation, and their mineralization degree decreased by 16,0 g/l due to infiltration of surface water and removal of mineralized water through drainage. The groundwater regime in the whole is formed by irrigation of lands and drainage. Hydrogeological-meliorative zoning of the area was carried out based on the results of research on changes in the level of subsoil water,chemical composition and salinity of soils and analysis of collected archival materials. A province-the Kur synclinorium,one zone, semi-steppe with temperate-hot climate and dry-steppe with dry climate, three districts and four sub-districts are allocated. The first region covers the ends of the cones of river networks. The filtering coefficient of the rocks of the water-bearing horizons is 4-10 m/day, the degree of mineralization of groundwater is 1-5 g/l, their slope depth is 6-10 m. The second area covers the middle parts of the cones of the rivers, the filtering coefficient of proluvial sediments varies in the range of 3-5 m/day, the degree of mineralization of groundwater is 5-6 g/l their slope depth is 1,5-6,0 m. The third region covers the alluvial plain of the Kura River. The filtering coefficient of the rocks where the water is located reaches 1-10 m/day, the degree of mineralization of groundwater increases to 1-50 g/l, the slope depth is 1-3 m.
  • Publisher: Tomsk Polytechnic University
  • Language: Russian
  • Identifier: ISSN: 2500-1019
    EISSN: 2413-1830
    DOI: 10.18799/24131830/2021/10/3399
  • Source: DOAJ Directory of Open Access Journals
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