Floods in Dinaric Karst fields: a case study of the Dicmanjsko-Bisko Polje (Croatia)

IF 2.2 Q3 WATER RESOURCES
Igor Ljubenkov
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引用次数: 0

Abstract

ABSTRACTKarst areas are characterized by extreme heterogeneity and variability of geologic, morphologic, hydrogeologic, hydrologic, hydraulic, ecologic and other parameters in space and time. Therefore, the occurrence of floods under such condition manifests in different forms, intensities, and durations. Heavy precipitation in karst areas leads to a considerable increase in groundwater levels and the activation of temporary springs. Karst fields that have not been properly meliorated are particularly vulnerable to such phenomena and, can remain flooded for several weeks. In Dalmatia, in the southern Croatian region, there are 12 karst poljes with an area larger than 1000 ha, including Dicmanjsko-Bisko polje (1700 ha). Our study presents a conceptual model of the interaction of underground and surface water in the Dicmanjsko-Bisko polje, as well as the process of flooding. The input data were geological mapping and measured precipitation. The paper describes the December 2021 flood in detail. The average 11-day precipitation recorded in the field catchment area was 292 mm, which led to the flooding of 230 ha (approximately 14% of the field area). The main cause of the flooding in the western part of the field was a large amount of surface runoff, resulting in insufficient capacity of the existing drainage channels. In the eastern lowest part of the field, flooding was even more intense due to the insufficient capacity of the sinkhole. The flood caused damage to agricultural lands, infrastructure, and economic facilities. The paper proposes flood mitigation measures. The study is an example of the practical application of karst research, that can be used for different purposes (spatial planning, hydrologic monitoring, modeling hydrogeological processes).KEYWORDS: KarstfloodpoljeprecipitationDalmatia AcknowledgementsI would like to thank the mayor of Dicmo Petar Maretic for his help in collecting data, and colleagues Ivo Hrste and Emil Tomasovic for visiting the area. I also express my gratitude to my colleague, Zdravko Brajkovic, for his help in collecting and interpreting geological and hydrogeological maps. In addition, I thank Meteorological and Hydrological Institute of Croatia (DHMZ) and Croatian waters for providing the climate and hydrological data necessary to conduct this research. The study has one author, Igor Ljubenkov, who created its conception and design. Material preparation, data collection and analysis were performed by Igor Ljubenkov. The first draft of the manuscript was written by Igor Ljubenkov. The author read and approved the final manuscript.Disclosure statementNo potential conflict of interest was reported by the author(s ).Data availability statementThe datasets generated during and/or analyzed during the current study are available from the corresponding author on reasonable request.
diaric喀斯特地区的洪水:以克罗地亚Dicmanjsko-Bisko Polje为例
摘要喀斯特地区在空间和时间上具有地质、地貌、水文地质、水文、水力、生态等参数的极端异质性和变异性。因此,在这种条件下,洪水的发生表现出不同的形式、强度和持续时间。喀斯特地区的强降水导致地下水位的大幅上升和临时泉水的激活。没有得到适当改善的喀斯特油田特别容易受到这种现象的影响,并且可能持续数周被水淹没。在克罗地亚南部的达尔马提亚地区,有12个面积超过1000公顷的喀斯特地貌,包括迪曼尼斯科-比斯科地貌(1700公顷)。我们的研究提出了Dicmanjsko-Bisko polje地下水和地表水相互作用的概念模型,以及洪水的过程。输入数据为地质填图和实测降水。文章详细描述了2021年12月的洪水。田间集水区记录的11天平均降水量为292毫米,导致230公顷(约占田间面积的14%)被淹。造成该地块西部洪涝的主要原因是大量地表径流导致现有排水渠道容量不足。在农田的东部最低部分,由于天坑容量不足,洪水更加严重。洪水对农田、基础设施和经济设施造成了破坏。本文提出了防洪对策。该研究是喀斯特研究实际应用的一个例子,可以用于不同的目的(空间规划、水文监测、水文地质过程建模)。我要感谢Dicmo Petar Maretic市长在收集数据方面的帮助,以及同事Ivo Hrste和Emil Tomasovic对该地区的访问。我还要感谢我的同事兹德拉夫科·布拉伊科维奇在收集和解释地质和水文地质图方面提供的帮助。此外,我感谢克罗地亚气象和水文研究所(DHMZ)和克罗地亚水域提供进行这项研究所需的气候和水文数据。这项研究有一位作者伊戈尔·柳本科夫(Igor Ljubenkov),他提出了这项研究的概念和设计。Igor Ljubenkov负责材料准备、数据收集和分析。手稿的初稿是由伊戈尔·柳本科夫(Igor Ljubenkov)撰写的。作者阅读并批准了最后的手稿。披露声明作者未报告潜在的利益冲突。数据可用性声明当前研究期间生成和/或分析的数据集可根据通讯作者的合理要求提供。
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来源期刊
CiteScore
6.00
自引率
4.00%
发文量
48
期刊介绍: include, but are not limited to new developments or applications in the following areas: AREAS OF INTEREST - integrated water resources management - watershed land use planning and management - spatial planning and management of floodplains - flood forecasting and flood risk management - drought forecasting and drought management - floodplain, river and estuarine restoration - climate change impact prediction and planning of remedial measures - management of mountain rivers - water quality management including non point source pollution - operation strategies for engineered river systems - maintenance strategies for river systems and for structures - project-affected-people and stakeholder participation - conservation of natural and cultural heritage
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