Flash floods on the northern coast of the Black Sea: Formation and characteristics  

作　　者：Ludmila Kuksina Pelagiya Belyakova Valentin Golosov Ekaterina Zhdanova Maxim Ivanov Anatoly Tsyplenkov Artem Gurinov 

机构地区：[1]Faculty of Geography,Lomonosov Moscow State University,Moscow 119991,Russia [2]Laboratory of Hydroinformation,Water Problems Institute,Moscow 119333,Russia [3]Laboratory of Geomorphology,Institute of Geography,Moscow 119017,Russia [4]Faculty of Geography and Geoinformation Technologies,HSE University,Moscow 109028,Russia

出　　处：《International Journal of Sediment Research》2025年第1期192-207,共16页国际泥沙研究(英文版)

摘　　要：Flash floods are one of the most dangerous hydrometeorological events in the world.The current study investigates flash floods on the northern Black Sea Coast.The data about stochastic and relatively stable factors of flash flood formation(such as hydrological,meteorological,lithological,geomorphological,and anthropogenic parameters)were collected for 22 events.The main trigger of flash floods is heavy rainfall of high intensity in the region but in some cases flash flood occurrence is connected with combinations of several non-critical"factors.The small watershed area(<351 km2)of river basins experiencing flash floods promotes very rapid flow concentration.Analysis of extreme precipitation demonstrates signifi-cant increasing trends in river basins on the Crimean Peninsula and decreasing a maximum precipitation amount in 5 days(r5d)and 1 day(r1d)in river basins in the Caucasus Black Sea Coast in the 21st century as determined by processing of Integrated Multi-satellite Retrievals for Global precipitation measure-ment(IMEGR)satellite data.At the same time land network data indicates increasing r5d at the Anapa and r1d at the Tuapse meteorological stations in 1961-2020.More frequent occurrence of flash floods has been suggested in the area due to statistical analysis of the longest precipitation ranges.The main reason for significant social and economic damage is uncontrolled human activity in flooded areas on the northern Black Sea Coast.

关 键 词：Flash flood Heavy rainfall Intensity River basin Black sea coast CAUCASUS CRIMEA 

分 类 号：TP3[自动化与计算机技术—计算机科学与技术]