Monitoring coastal erosion and sediment accumulation in the Kızılırmak Delta using UAVs and photogrammetry
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Abstract
Areas around the coast and delta offer significant resources and business prospects, but they are also susceptible to human activity and natural calamities. In order to tackle these concerns, it is crucial to consistently observe and analyze coastal and delta regions to comprehend the ongoing alterations and enforce essential measures to safeguard the ecosystem and the communities reliant on it. Unmanned aerial vehicles (UAVs) possess the capacity to efficiently and inexpensively cover vast areas. UAVs, or unmanned aerial vehicles, have gained significant popularity in recent years for the purpose of monitoring and investigating coastal and delta regions. The Kızılırmak Delta in Türkiye has been adversely affected by human activity, including the construction of dams and the extraction of sand, resulting in a reduction in the delta's dimensions and biodiversity. This study employs photogrammetric techniques and UAVs to observe and analyze the alterations occurring in the Kızılırmak Delta in Türkiye. Consequently, the shorelines generated using photogrammetric techniques in the region where the spurs were built are being compared to the shorelines obtained by terrestrial approaches. Research indicates that the construction of spurs effectively halted coastal erosion in specific regions. However, in other locations, coastal regression persisted, and sediment buildup led to movement of the coastline towards the sea in certain sections. This methodology can be employed to formulate efficient strategies for safeguarding and revitalizing the Kızılırmak Delta and analogous regions.
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