Urban geomorphology of the Vistula River valley in Warsaw

Grzegorz Wierzbicki, Piotr Ostrowski, Piotr Bartold, Filip Bujakowski, Tomasz Falkowski and Piotr Osiński

Journal of Maps, 2021, vol. 17, issue 4, 170-185

Abstract: Using ALS LIDAR DEM and OpenStreetMap data we visualise in ArcGIS the geomorphic features of a large, lowland river which flows through the area impacted by urbanisation of a big city – the capital of Poland. We present on one map the main geomorphological surfaces and their exact boundaries: valley edge, terrace front and floodplain juxtaposed with buildings and the main transportation corridors. We identify convex aeolian and fluvial landforms: dunes, levees, sandy lobes including crevasse splays, ridges between swales, sandy bars, islands; and concave erosional landforms: floodplain channels, crevasse channels, oxbow lakes, palaeo-meanders, tributary channels, and chute channels. We draw implications for flood management, geo-archaeology geo-heritage conservation. We search for traces of extreme flood events in the Holocene, also on the higher terraces which the river developed by its deposition in the Pleistocene.

Date: 2021
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DOI: 10.1080/17445647.2020.1866698

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