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This study focuses on the modeling of groundwater flow and nitrate transport in a multi-aquifer hydrosystem in northern Poland, adjacent to Puck Bay (Baltic sea). The main goal was to investigate how changes in land use and farming practices may affect groundwater recharge and submarine groundwater discharge (SGD) to the sea and the associated N-NO3 fluxes. An integrated modelling approach has been developed, which couples the SWAT hydrologic model, MODFLOW-NWT groundwater flow model, and MT3DMS transport model. Transient simulations were performed for a 10 y period, assuming 10 different scenarios of land use (farming, grassland, forest) and crop types. Both recharge and SGD showed a distinct pattern of seasonal time variability. In terms of the average flow rates, the effect of varying crop type was more significant than that of land use change, with the minimum recharge and SGD corresponding to winter wheat and the maximum for peas and potatoes. Nitrate loads were strongly affected by both land use and crop type, with minimum values obtained for grassland and maximum values for canola.
Adam Szymkiewicz; Dawid Potrykus; Beata Jaworska-Szulc; Anna Gumuła-Kawęcka; Małgorzata Pruszkowska-Caceres; Lidia Dzierzbicka-Głowacka. Evaluation of the Influence of Farming Practices and Land Use on Groundwater Resources in a Coastal Multi-Aquifer System in Puck Region (Northern Poland). Water 2020, 12, 1042 .
AMA StyleAdam Szymkiewicz, Dawid Potrykus, Beata Jaworska-Szulc, Anna Gumuła-Kawęcka, Małgorzata Pruszkowska-Caceres, Lidia Dzierzbicka-Głowacka. Evaluation of the Influence of Farming Practices and Land Use on Groundwater Resources in a Coastal Multi-Aquifer System in Puck Region (Northern Poland). Water. 2020; 12 (4):1042.
Chicago/Turabian StyleAdam Szymkiewicz; Dawid Potrykus; Beata Jaworska-Szulc; Anna Gumuła-Kawęcka; Małgorzata Pruszkowska-Caceres; Lidia Dzierzbicka-Głowacka. 2020. "Evaluation of the Influence of Farming Practices and Land Use on Groundwater Resources in a Coastal Multi-Aquifer System in Puck Region (Northern Poland)." Water 12, no. 4: 1042.
Estimation of contaminant travel time through the vadose zone is needed for assessing groundwater vulnerability to pollution, planning monitoring and remediation activities or predicting the effect of land use change or climate change on groundwater quality. The travel time can be obtained from numerical simulations of transient flow and transport in the unsaturated soil profile, which typically require a large amount of data and considerable computational effort. Alternatively, one can use simpler analytical methods based on the assumptions of steady water flow and purely advective transport. In this study, we compared travel times obtained with transient and steady-state approaches for several scenarios. Transient simulations were carried out using the HYDRUS-1D computer program for two types of homogeneous soil profiles (sand and clay loam), two types of land cover (bare soil and grass) and two values of dispersion constant. It was shown that the presence of root zone and the dispersion constant significantly affect the results. We also computed the travel times using six simplified methods proposed in the literature. None of these methods was in good agreement with transient simulations for all scenarios and the discrepancies were particularly large for the case of clay loam with grass cover.
Adam Szymkiewicz; Anna Gumuła-Kawęcka; Dawid Potrykus; Beata Jaworska-Szulc; Małgorzata Pruszkowska-Caceres; Wioletta Gorczewska-Langner. Estimation of Conservative Contaminant Travel Time through Vadose Zone Based on Transient and Steady Flow Approaches. Water 2018, 10, 1417 .
AMA StyleAdam Szymkiewicz, Anna Gumuła-Kawęcka, Dawid Potrykus, Beata Jaworska-Szulc, Małgorzata Pruszkowska-Caceres, Wioletta Gorczewska-Langner. Estimation of Conservative Contaminant Travel Time through Vadose Zone Based on Transient and Steady Flow Approaches. Water. 2018; 10 (10):1417.
Chicago/Turabian StyleAdam Szymkiewicz; Anna Gumuła-Kawęcka; Dawid Potrykus; Beata Jaworska-Szulc; Małgorzata Pruszkowska-Caceres; Wioletta Gorczewska-Langner. 2018. "Estimation of Conservative Contaminant Travel Time through Vadose Zone Based on Transient and Steady Flow Approaches." Water 10, no. 10: 1417.
In this research, GALDIT method was used to assess seawater intrusion in the coastal aquifer of the inner Puck Bay (Southern Baltic Sea). The impact of potential sea-level rise on groundwater vulnerability for years 2081-2100 was also considered. The study area was categorized into three classes of vulnerability: low, moderate and high. The most vulnerable area is the Hel Peninsula with northern part of the Kashubian Coastland. Increased class of aquifer vulnerability is also adopted to glacial valleys. The results of this research revealed that about 18.9% of the analyzed area is highly vulnerable to seawater intrusion, 25.3% is moderately vulnerable and 55.8% is potentially at low risk. The simulated scenario of predicted sea level rise shows enlargement of high vulnerability areas.
Dawid Potrykus; Anna Gumuła-Kawęcka; Beata Jaworska-Szulc; Małgorzata Pruszkowska-Caceres; Adam Szymkiewicz; L. Dzierzbicka-Głowacka. Assessing groundwater vulnerability to sea water intrusion in the coastline of the inner Puck Bay using GALDIT method. E3S Web of Conferences 2018, 54, 00023 .
AMA StyleDawid Potrykus, Anna Gumuła-Kawęcka, Beata Jaworska-Szulc, Małgorzata Pruszkowska-Caceres, Adam Szymkiewicz, L. Dzierzbicka-Głowacka. Assessing groundwater vulnerability to sea water intrusion in the coastline of the inner Puck Bay using GALDIT method. E3S Web of Conferences. 2018; 54 ():00023.
Chicago/Turabian StyleDawid Potrykus; Anna Gumuła-Kawęcka; Beata Jaworska-Szulc; Małgorzata Pruszkowska-Caceres; Adam Szymkiewicz; L. Dzierzbicka-Głowacka. 2018. "Assessing groundwater vulnerability to sea water intrusion in the coastline of the inner Puck Bay using GALDIT method." E3S Web of Conferences 54, no. : 00023.
The paper presents a case study of seawater intrusion into a coastal aquifer, caused by a groundwater intake located close to the seashore in Władysławowo, northern Poland. Evolution of the basic hydrogeochemical parameters for the 50-year period from 1964 to 2014 indicates progressing encroachment of saline seawater into the aquifer. However, the spatial pattern of salinity was influenced by the variability of hydraulic gradient in fresh water discharging from aquifer to the sea. As a consequence, significant changes in salinity occurred in the directions both perpendicular and parallel to the coastline.
Małgorzata Pruszkowska-Caceres; Adam Szymkiewicz; Beata Jaworska-Szulc; Maria Przewłócka; Anna Gomuła-Kawęcka; Dawid Potrykus. Seawater intrusion due to pumping mitigated by natural freshwater flux: a case study in Władysławowo, northern Poland. E3S Web of Conferences 2018, 54, 00024 .
AMA StyleMałgorzata Pruszkowska-Caceres, Adam Szymkiewicz, Beata Jaworska-Szulc, Maria Przewłócka, Anna Gomuła-Kawęcka, Dawid Potrykus. Seawater intrusion due to pumping mitigated by natural freshwater flux: a case study in Władysławowo, northern Poland. E3S Web of Conferences. 2018; 54 ():00024.
Chicago/Turabian StyleMałgorzata Pruszkowska-Caceres; Adam Szymkiewicz; Beata Jaworska-Szulc; Maria Przewłócka; Anna Gomuła-Kawęcka; Dawid Potrykus. 2018. "Seawater intrusion due to pumping mitigated by natural freshwater flux: a case study in Władysławowo, northern Poland." E3S Web of Conferences 54, no. : 00024.
Degradation of groundwater quality can cause a serious water supply and environmental problems. The identify of potential groundwater pollution can be determined by assessment of groundwater vulnerability method. The assessment of groundwater vulnerability to pollution was based on estimation of migration time of potential conservative contamination through the vadose zone. Area of investigation is a type of denudation moraine upland, which is situated at the eastern part of the Puck Isolated Morainic Plateau (north of Poland). Time of vertical seepage was estimated with four widely use in Poland equations and numerical modelling with HYDRUS 1D numerical code. The results were compared with major groundwater basin (MGWB) vulnerability classification. The calculations indicate variable results of migration times for conservative contamination, depending on the chosen equation. The conducted research is a part of a project which main aim is a development of groundwater contaminant transport model and detailed identification of a potential agriculture pollutant sources in the selected watersheds of the Puck Bay.
Dawid Potrykus; Anna Gumuła-Kawęcka; Beata Jaworska-Szulc; Małgorzata Pruszkowska-Caceres; Adam Szymkiewicz. Assessing groundwater vulnerability to pollution in the Puck region (denudation moraine upland) using vertical seepage method. E3S Web of Conferences 2018, 44, 00147 .
AMA StyleDawid Potrykus, Anna Gumuła-Kawęcka, Beata Jaworska-Szulc, Małgorzata Pruszkowska-Caceres, Adam Szymkiewicz. Assessing groundwater vulnerability to pollution in the Puck region (denudation moraine upland) using vertical seepage method. E3S Web of Conferences. 2018; 44 ():00147.
Chicago/Turabian StyleDawid Potrykus; Anna Gumuła-Kawęcka; Beata Jaworska-Szulc; Małgorzata Pruszkowska-Caceres; Adam Szymkiewicz. 2018. "Assessing groundwater vulnerability to pollution in the Puck region (denudation moraine upland) using vertical seepage method." E3S Web of Conferences 44, no. : 00147.