Nitrogen Isotopes as Indicators of Nitrate Sources in Minnesota Sand-Plain Aquifers

Nitrate concentrations in excess of national drinking‐water standards (10 mg/1 as N) are present in certain sand‐plain aquifers in central Minnesota. To investigate nitrate sources in the aquifers, nitrogen‐isotope values of nitrate (δ15NNO3No3) were measured in shallow ground water from 51 wells in...

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Veröffentlicht in:	Ground water 1993-03, Vol.31 (2), p.260-270
Hauptverfasser:	Komor, Stephen C., Anderson Jr, Henry W.
Format:	Artikel
Sprache:	eng
Schlagworte:	Aquifers Groundwater Hydrology Isotopes Land use Nitrates Nitrogen Q1 Sand Water analysis Water pollution
Online-Zugang:	Volltext
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