Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Drought on the Coast: Climate and Sea-Level Impact to Groundwater Fluctuations Along the Polish Baltic

Version 1 : Received: 29 June 2023 / Approved: 30 June 2023 / Online: 30 June 2023 (09:01:09 CEST)

How to cite: Czerniawska, J. Drought on the Coast: Climate and Sea-Level Impact to Groundwater Fluctuations Along the Polish Baltic. Preprints 2023, 2023062191. https://doi.org/10.20944/preprints202306.2191.v1 Czerniawska, J. Drought on the Coast: Climate and Sea-Level Impact to Groundwater Fluctuations Along the Polish Baltic. Preprints 2023, 2023062191. https://doi.org/10.20944/preprints202306.2191.v1

Abstract

The Baltic Sea coast is one of the geographical areas of Europe most threatened by the current climate change. This issue concerns erosional processes, groundwater flows affecting sea-shore settings. Long term hydrological investigations within the western sector of the Łeba Barrier, northern Poland, based on a network of monitoring stations, coupled with the meteorology records of the past 12 years, revealed significant fluctuations in ground water fluxes from the Baltic Sea on the adjoining mainland. Groundwater resources are negatively affected by sea-level drops in the coastal areas along the southern Baltic coast. The low sea levels strengthen the effects of low precipitation and high temperatures, causing altogether the occurrence of hydrogeological drought in the coastal sandbar areas. Drought periods are characterized by lowering of water-tables in the Slowinski National Park. The obtained results have direct relevance to a long-term assessment of water resources, environmental protection of the climatically most susceptible ecosystems, as well as the tourism management of this popular visitors’ destination.

Keywords

groundwater; hydro-meteorological conditions; Łeba Barrier; Southern Baltic coast; monitoring, drought; hazard

Subject

Environmental and Earth Sciences, Geography

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