ISSN 2070-7401 (Print), ISSN 2411-0280 (Online)
Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa


Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa, 2018, Vol. 15, No. 5, pp. 253-256

Disastrous flood in August 2018 in Primorye (south Pacific Russia)

V.A. Dubina 1, 2 , V.V. Shamov 3 , V.V. Plotnikov 1, 2 
1 V.I. Il'ichev Pacific Oceanological Institute FEB RAS, Vladivostok, Russia
2 Far Eastern State Technical Fisheries University, Vladivostok, Russia
3 Pacific Geographical Institute FEB RAS, Vladivostok, Russia
Accepted: 03.10.2018
DOI: 10.21046/2070-7401-2018-15-5-253-256
In August and September, Primorye is affected by tropical cyclones — typhoons that originate in the northwestern Pacific. The emergence of collapsing typhoons on the southeast coast of Russia leads to catastrophic weather phenomena. In August 2018, more than average monthly rainfall rate fell in 7 days as a result of the succession of three tropical cyclones in the southwest of Primorye. Rains occurred at conditions of high water levels in rivers and preceding waterlogging of their basins. As a result, at some hydrological gauge stations, water level was registered at 5–7 meters above the conditional «zero». A record level increase in the Razdolnaya, Ilistaya and Melgunovka rivers led to a devastating flood. The assessment of the disaster scale and mapping of flooded areas were carried out on the basis of Sentinel-1B and Sentinel-1A SAR images, respectively, prior to the flood and at the time of maximum flood development. The total area of entirely inundated lands is estimated at approximately 300 km2. The authors emphasize the effectiveness of operational use of SAR data by the units of Ministry for Emergency Situations and local and regional government agencies for estimating flooded areas and assessing the scale of such disasters.
Keywords: Primorye, typhoons, flood, SAR, Sentinel-1
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