ISSN 0016-7126 (Print)
ISSN 2587-8492 (Online)
Abstract:
The Teniz-Korgalzhyn lake system has the status of an international Ramsar site and is the most important ornithological center in Central Asia. It includes more than 60 shallow fresh- and salt water bodies among which the largest salt ones are Big and Small Teniz and a group of fresh Korgalzhyn lakes. Fluctuations in water levels there and changes in their area determine the degree of favorable habitat conditions for key ornithological species. A quantitative assessment of the water levels’ interannual dynamics in 2006–2019 was carried out using remote sensing and geoinformation mapping methods. The choice of the methodology to use multispectral data for water surface area study is substantiated. Calculations are made, and a corresponding map of the bodies’ water surface area dynamics is compiled. Four periods with multidirectional dynamics of changes in it were identified. They are caused by both natural and anthropogenic factors and differ in intensity for fresh and salt lakes. Fluctuations of fresh Korgalzhyn ones are mostly associated with natural and climatic impact. Salty Big and Small Teniz are characterized by more significant changes in water surface the area, caused primarily by human activities, including periodic breakthroughs of retaining dams. Maximum deviations towards the increase were noted for fresh ones in 2016–2019, and for saline in 2014–2019. The observed decrease in the total area of the water surface in the period from 2006 to 2013 was mainly associated with the Small and Big Teniz
This research was performed according to the Development program of the Interdisciplinary Scientific and Educational School of M. V. Lomonosov Moscow State University and the MSU State Research Program (No 121051100162-6)
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Citation:
| (2024) Using remote sensing data to analyze the interannual dynamics of the Teniz-Korgalzhin lakes area. Geodesy and cartography = Geodezia i Kartografia, 85(5), pp. 48-57. (In Russian). DOI: 10.22389/0016-7126-2024-1007-5-48-57 |
Publication History
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Received: 15.11.2023 Accepted: 24.05.2024 Published: 20.06.2024 |
Authors:
Content
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2024 May
DOI: 10.22389/0016-7126-2024-1007-5
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