I.A. Sidorov1, A.G. Gudkov2, V.D. Shashurin3, S.V. Chizhikov4, E.P. Novichikhin5, 

N.F. Khokhlov6, I.O. Porokhov7, V.E. Pchelintsev8, R.V. Agandeev9

1–4,8,9 Bauman Moscow State Technical University (Moscow, Russia)

5 Institute of Radio Engineering and Electronics named after V.A. Kotelnikov RAS (Fryazino, Russia)

6 Russian State Agrarian University – Moscow Timiryazev Agricultural Academy (Moscow, Russia)

7 JSC «Central radio-research institute named after academician A.I. Berg» (Moscow, Russia)

Thousands of earthen dams have been built in Russia to create accumulating reservoirs, protect low-lying areas from floods, hydropower and others. Sometimes, due to the presence of underground leaks, erosion of the dam occurs and a breakthrough with catastrophic consequences, as it was in Moscow in January 2019 with the flooding of the Tushinsky tunnel. Therefore, the task of timely identification of places of underground leaks of earthen dams is urgent.

The paper presents the results of an experimental study of the condition of earthen dams. Also, the analysis of the obtained soil moisture maps allows you to determine the locations of possible underground leaks.

The results of a flight experiment using a bipolarization microwave radiometer placed on board an unmanned aerial vehicle for remote determination of a portrait of soil moisture can be used to search for places of possible underground leaks. Also, this method of remote measurement of soil moisture can be used for the needs of agriculture, in particular for precision farming systems. In addition, the paper assesses the prospects of using microwave radiometric moisture meters for operational examination of the state of extended hydrological objects.

The study was carried out at the expense of the grant of the Russian Science Foundation No. 22-19-00063 dated 13.05.2022 https://rscf.ru/project/22-19-00063

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