Oxygen and nitrogen stable isotopic composition of dissolved nitrate for Pennypack Creek, Philadelphia, PA, USA

This resource includes nitrate isotope data from Pennypack Creek, Philadelphia, PA. Stream grab samples are collected biweekly and are analyzed for d15N-Nitrate and d18O-Nitrate. Data are collected for the purpose of cross-site comparison with other sites in the Urban CZ cluster. Sampling sites are co-located with USGS stream gaging stations 01467048 (PPRH) and 01467042 (PPPI). This data set is part of the Urban Critical Zone Cluster in the NSF Critical Zone Collaborative Network.