Isotopic fractionation of ammonium and nitrate during uptake by Skeletonema costatum: Implications for δ15N dynamics under bloom conditions, Jonathan Pennock, David J. Velinsky, John M. Ludlum, Jonathan H. Sharp, Marilyn L. Fogel
School of Marine Science and Ocean Engineering

Temporal alternation between light- and nutrient-limitation of phytoplankton production in a coastal plain estuary., Jonathan Pennock, Jonathan H. Sharp
School of Marine Science and Ocean Engineering

What controls the expression of estuarine eutrophication? Case studies of nutrient enrichment and phytoplankton production from the Delaware Bay and Mobile Bay estuaries, USA, Jonathan Pennock, Jonathan H. Sharp, William W. Schroeder
School of Marine Science and Ocean Engineering

The influence of river variability on the circulation, chemistry, and microbiology of the Delaware Estuary, Jonathan H. Sharp, Luis A. Cifuentes, Richard B. Coffin, Jonathan Pennock, Kuo-Chin Wong
School of Marine Science and Ocean Engineering