Author

M. Zeleňáková

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Open access Aug 2026

Influence of Inlet- and Outlet-Key Configurations on the Discharge Coefficient and Crest Discharge Distribution of Type-A Piano Key Weirs

Piano key weirs (PKWs) increase the effective crest length and provide high discharge capacity within limited spillway widths; however, their hydraulic efficiency depends on key geometry. Addressing the limited understanding of key-curvature effects, this study systematically investigates the influence of inlet- and ou...

Marwa F. Shaheen, Samy Abdel-Fattah, M. Zeleňáková et al. · Water · 0 citations

Open access Sep 2026

Satellite-Based Assessment of Chlorophyll-a Variability, Seasonal Trends, and Eutrophication Risk for Water Sustainability in a Strategic Desert Reservoir

Lake Nasser represents Egypt’s principal strategic freshwater reservoir; however, its long-term phytoplankton dynamics at the basin scale remain insufficiently characterized. This study presents a detailed spatiotemporal investigation of chlorophyll-a (Chl-a) variability across the reservoir during the 2002–2020 period...

Setah Naser Alowfi, Islam M. Hamdi, Jozef Selín et al. · Water · 0 citations

Open access Sep 2026

An Innovative Approach to the Study of Building Stock Through Benchmark BIG Geodata Mining and Automated LiDAR Roof Reconstruction in Urban Areas: A Case Study from Slovakia

This paper presents BSTwin, a computational workflow and application for the automatic generation of multi-level-of-detail building models and semantically enriched building stock records in urban areas of Slovakia. Its outputs are positioned as the building layer of a city information model (CIM) that can support futu...

Marcela Bindzárová Gergeľová, M. Zeleňáková · Land · 0 citations