Comparing Flood Damages to an Industrial Region in Turkey Using Several Methods

Pınar Spor and Emrah Doğan
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Pınar Spor: Department of Geological Engineering, Zonguldak Bulent Ecevit University, Zonguldak 67100, Turkey†Department of Civil Engineering, Sakarya University, Sakarya 54050, Turkey
Emrah Doğan: ��Department of Civil Engineering, Sakarya University, Sakarya 54050, Turkey

Water Economics and Policy (WEP), 2024, vol. 10, issue 02, 1-26

Abstract: Floods are one of the disasters that cause the greatest damage to social life, living health, economy and environment. This paper reveals the calculation of the economic damage of the commercial areas located near the creek due to floods in Sakarya, Dinsiz Stream. In this study, first, flood propagation maps were produced according to 50, 100, 200 and 500 years of flood flow periods that may occur in the study area. The HECRAS program was used to produce the flood maps and a 2D model was created from these maps, water level maps were obtained and then depth damage curves were used to figure out the economic losses leading to flood. In addition to the Huizinga, van Eck and Kok, ICBR, Pistrika and Jonkman flood damage assessment methods, which are frequently used in the literature, the HAZUS-MH method was used to calculate the economic losses that may occur in commercial areas. While HAZUS has functions that make separate calculations for each commercial sector, in other methods, calculations are made over the total area without sector discrimination. In addition, HAZUS has more detailed ranges of flooding water depths and therefore the calculation of damage rates corresponding to water depths can be done with higher precision than other methods. According to the data obtained as a result of the study, the losses exceeded million euros in all methods, while the highest values were in the Pistrika and Jonkman methods.

Keywords: Depth-damage curves; economic losses; flood modeling; HAZUS; Sakarya Dinsiz stream (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1142/S2382624X2350011X

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