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Preliminary Identification of Ground-water Nitrate Sources Using Nitrogen and Carbon Stable Isotopes,Kansas
Preliminary Identification Ground-water Nitrate Sources Nitrogen and Carbon Stable Isotopes
2009/10/20
Increasing nitrate-N in ground water is a problem in many areas with limited ground-water supplies, such as west-central Kansas. However, potential sources of nitrate-N are not known. Nitrate-N concen...
Stable isotopic detection of ammonium and nitrate assimilation by phytoplankton in the Waquoit Bay estuarine system
Stable isotopic detection ammonium and nitrate assimilation phytoplankton Waquoit Bay estuarine system
2014/4/22
We measured concentration and δ15N of chlorophyll a (Chl a), NO3-, and NH4+ along a salinity gradient in Childs River, Massachusetts, in winter, spring, and summer. We used the δ15N of Chl a as a prox...