Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa, 2024, Vol. 21, No. 3, pp. 339-347
Monitoring the consequences of flooding in Orenburg Region during spring flood on the Ural River in 2024
S.S. Shinkarenko
1 , S.А. Bartalev
1 , E.A. Loupian
1 1 Space Research Institute RAS, Moscow, Russia
Accepted: 10.06.2024
DOI: 10.21046/2070-7401-2024-21-3-339-347
In April 2024, as a result of the spring flood on the Ural River, the cities of Orenburg and Orsk, as well as several settlements, were partially flooded. The report presents the results of assessing the areas of construction that were covered with the flood and compares them with the boundaries of floods in the previous years: 1993, 1994, and 2000. The study is based on processing of Landsat and Sentinel-2 satellite images. On the basis of the obtained flood maps, it was established that approximately 7,000 capital construction objects were flooded in Orenburg and its surroundings, with another 1,300 in Orsk. The majority of these objects are located within the flood boundaries of the 1993–1994 floods. Long periods of low water levels on some major rivers, accompanied by a decrease in the frequency, height, and duration of floods, provoked the intensification of economic development and construction on floodplain lands. As a result, spring floods, which are an integral part of the normal functioning of floodplain landscapes, have become perceived as natural disasters. Multi-year archives of remote sensing data can serve as a basis for preliminary assessment of the threat of flooding floodplain territories when planning their development as a complement to traditional engineering-hydrological surveys.
Keywords: remote sensing, flood, high water, Ural River, inundation, monitoring
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