Water isotope data for Pond Branch at Oregon Ridge, Baltimore County, MD, USA

This resource includes water isotope data from Pond Branch at Oregon Ridge, Baltimore County, MD, USA. Stream grab samples are collected weekly to biweekly. Samples are analyzed for d18O and d2H on a Picarro L 2120-i water isotope analyzer at UMBC. Data are collected for the purpose of (1) providing a forested reference site for cross-site comparison with urban sites in the Urban CZ cluster; and (2) calculation of mean watershed transit times by analysis in combination with local precipitation water isotope data. The stream sampling site is co-located with USGS stream gaging station 01583570 This data set is part of the Urban Critical Zone Cluster in the NSF Critical Zone Collaborative Network.