Evaluation of the influence of farming practices and land use on groundwater resources in a coastal multi-aquifer system in Puck region (Northern Poland)

被引：0

作者：

Szymkiewicz A. ^{[1
]}

Potrykus D. ^{[1
]}

Jaworska-Szulc B. ^{[1
]}

Gumuła-Kawecka A. ^{[1
]}

Pruszkowska-Caceres M. ^{[1
]}

Dzierzbicka-Głowacka L. ^{[2
]}

机构：

[1] Faculty of Civil and Environmental Engineering, Gdańsk University of Technology, ul. Narutowicza 11/12, Gdańsk

[2] Institute of Oceanology of the Polish Academy of Sciences, ul. Powstańców Warszawy 55, Sopot

来源：

Szymkiewicz, Adam (adams@pg.edu.pl) | 1600年 / MDPI AG, Postfach, Basel, CH-4005, Switzerland卷 / 12期

关键词：

Groundwater recharge; MODFLOW; MT3DMS; Nitrate transport; Submarine groundwater discharge (SGD); SWAT; WaterPUCK;

D O I：

10.3390/W12041042

中图分类号：

学科分类号：

摘要：

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. © 2020 by the authors.

引用

共 71 条

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