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ANALYZING FLOOD RISKS AND VULNERABILITY IN THE BABINA AGRICULTURAL ENCLOSURE DANUBE DELTA: USING HYDRAULIC MODELLING TECHNIQUES
Abstract
Babina Agricultural Enclosure is located in the northern sector of the Danube Delta near the Chilia branch, has undergone significant transformations over the decades. Originally designed as part of a large-scale aquaculture system, this area was later converted into agricultural land during the intensive land reclamation projects of the mid-20th century. However, following ecological rehabilitation programs initiated in the 1990s, Babina has regained its prominence as a important site within the Danube Delta Biosphere Reserve. Today, the enclosure faces new challenges, particularly from rising water levels in the Chilia branch, which exert sustained pressure on the protective dykes, increasing the vulnerability of the area to flooding. This study focuses on evaluating flood risks within the Babina Agricultural Enclosure using advanced hydraulic modeling tools specific to the hydrodynamic conditions of the Danube Delta. Both static and dynamic flood simulation approaches are applied to generate detailed flood maps, illustrating water depths, flooded extents, and the potential intensity of flooding under varying scenarios. The research integrates a comprehensive dataset, including hydrological measurements of the Chilia branch, high-resolution topographic and bathymetric surveys, and calibrated hydraulic parameters such as Manning's roughness coefficients. In addition to assessing the flood hazards, this study emphasizes the enclosure's dual role as both a reclaimed agricultural area and an ecologically significant zone. The findings aim to assist local authorities and stakeholders in developing sustainable strategies that balance flood protection with ecological preservation. This research addresses the impacts of climate change, such as intensified flooding, to help preserve the balance between human activity and the natural systems of the Danube Delta.
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References7
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