ISSN 2070-7401 (Print), ISSN 2411-0280 (Online)
Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa
CURRENT PROBLEMS IN REMOTE SENSING OF THE EARTH FROM SPACE

  

Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa, 2024, Vol. 21, No. 4, pp. 251-259

Prospects for using satellite data to determine water levels in large lakes

F.Ya. Artikova 1 , S.B. Kalabaev 1 
1 Mirzo Ulugbek National University of Uzbekistan, Tashkent, Uzbekistan
Accepted: 05.08.2024
DOI: 10.21046/2070-7401-2024-21-4-251-259
For economic reasons, water level monitoring is not carried out in all water bodies. The issues of obtaining regular information about the water level can be solved by using altimeter data. Based on satellite altimetry data, the annual variability of the water level of Lake Sudochye which is the largest lake in the Southern Aral Sea region was studied for the period 2008–2021. In this research, data from the specialized G-REALM (Global Reservoirs and Lakes Monitor) altimeter database was collected and analyzed. Water level information from an altimeter database was compared with ground-based observations of water levels at a hydrological station. The results of observations of satellite altimeters were analyzed, statistical estimations were performed and corrections were made to the values of water levels. The series of satellite altimeter data for the studied water basin were successfully calibrated, which made it possible to use them in practice.
Keywords: Lake Sudochye, water level, satellite altimetry, water level measuring station
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