Implementing constructed wetlands for nutrient reduction at watershed scale: Opportunity to link models and real-world execution

Nietch, C.T.; Hawley, R.J.; Safwat, A.; Christensen, J.R.; Heberling, M.T.; McManus, J.; McClatchey, R.; Lubbers, H.; Smucker, N.J.; Onderak, E.; Macy, S.

doi:10.2489/jswc.2024.00077

Journal of Soil and Water Conservation

2024

DOI: 10.2489/jswc.2024.00077

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Implementing constructed wetlands for nutrient reduction at watershed scale: Opportunity to link models and real-world execution

C.T. Nietch,

R.J. Hawley,

A. Safwat

et al.

Abstract: Amr Safwat is a research environmental engineer with Aptim Federal Services, LLC, Cincinnati, Ohio. Jay R. Christensen is a research ecologist and Matthew T.Heberling is a research economist with the USE-

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Application of the GIS methods along with measured parameters to identify the NH4+ origin in the Hranice Karst (Czech Republic)

Geršl,

Sedláček,

Oppeltová

et al. 2024

Environ Earth Sci

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The study aims to determine the source of NH4+ ions in the mineral waters of the Hranice Karst. The study area is located in the eastern part of the Czech Republic, Europe. The area is known mainly for its carbon dioxide of deep origin; the gas was the factor that enabled the formation of hypogene karst, in the Palaeozoic limestones, as well as warm mineral waters. The limestones of the area are covered by Neogene (Miocene) sediments of variable thickness and lithology. Recurrent sampling was done at 36 sites. A total of 96 surface water samples, 65 borehole water samples and 96 karst water samples were assessed. Major anions, cations and the content of nitrogen and its forms were determined for all water samples. The soil types were characterised by a field pedological survey. The normalised difference vegetation index was calculated in QGIS and vegetation vitality was evaluated. Since places with remarkably low vegetation index were found to be linked to the occurrence of Miocene sandstones, they represent points of rather fast entry of rainwater into the ground. As the presence of carbon dioxide creates an anoxic setting underground, the entering nitrates are transformed into NH4+ ions. This mechanism of transformation within the nitrogen cycle explains the presence of NH4+ ions in areas with elevated CO2.

show abstract

Application of the GIS methods along with measured parameters to identify the NH4+ origin in the Hranice Karst (Czech Republic)

Geršl,

Sedláček,

Oppeltová

et al. 2024

Environ Earth Sci

View full text Add to dashboard Cite

show abstract

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Implementing constructed wetlands for nutrient reduction at watershed scale: Opportunity to link models and real-world execution

Abstract: Amr Safwat is a research environmental engineer with Aptim Federal Services, LLC, Cincinnati, Ohio. Jay R. Christensen is a research ecologist and Matthew T.Heberling is a research economist with the USE-

Cited by 1 publication

References 63 publications

Application of the GIS methods along with measured parameters to identify the NH4+ origin in the Hranice Karst (Czech Republic)

Application of the GIS methods along with measured parameters to identify the NH4+ origin in the Hranice Karst (Czech Republic)

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