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Water isotope data for Pennypack Creek, Philadelphia, PA, USA

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Created: Apr 21, 2022 at 12:44 a.m.
Last updated: Jan 29, 2023 at 1:32 a.m.
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Sharing Status: Discoverable
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This resource includes water isotope data from Pennypack Creek at Lower Rhawn St Bridge, Philadelphia, PA (PPRH) and Pennypack Creek at Pine Road, at Philadelphia, PA (PPRI) as well as precipitation data collected in Fort Washington, PA. Stream grab samples are collected biweekly; precipitation samples are collected for every precipitation event. Samples are analyzed for d18O and d2H on a Picarro L2120-i water isotope analyzer at UMBC. Data are collected for the purpose of (1) cross-site comparison with other sites in the Urban CZ cluster; (2) determination of the local meteoric water line; and (3) calculation of mean watershed transit times. Stream sampling sites are co-located with USGS stream gaging stations 01467048 (PPRI) and 01467042 (PPPI). This data set is part of the Urban Critical Zone Cluster in the NSF Critical Zone Collaborative Network.

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Coordinate System/Geographic Projection:
WGS 84 EPSG:4326
Coordinate Units:
Decimal degrees
Place/Area Name:
Philadelphia, PA
North Latitude
East Longitude
South Latitude
West Longitude


Start Date:
End Date:


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Related Resources

This resource belongs to the following collections:
Title Owners Sharing Status My Permission
Pennypack Creek Data Collection John Lagrosa IV · Claire Welty  Discoverable &  Shareable Open Access


Funding Agencies

This resource was created using funding from the following sources:
Agency Name Award Title Award Number
National Science Foundation Collaborative Research: Network Cluster: Urban Critical Zone processes along the Piedmont-Coastal Plain transition 2012340
National Science Foundation Frameworks:Collaborative Proposal: Software Infrastructure for Transformative Urban Sustainability Research 1931283
National Science Foundation Collaborative Research: Network Cluster: Urban Critical Zone processes along the Piedmont-Coastal Plain transition 2011617


People or Organizations that contributed technically, materially, financially, or provided general support for the creation of the resource's content but are not considered authors.

Name Organization Address Phone Author Identifiers
Bojan Milinic Temple University Philadelphia, PA
John Lagrosa Center for Urban Environmental Research and Education at the University of Maryland, Baltimore County Maryland, US
Rachel Pendrack Temple University Philadelphia, PA
Mary McWilliams University of Maryland Baltimore County Maryland, US

How to Cite

Welty, C., L. Toran (2023). Water isotope data for Pennypack Creek, Philadelphia, PA, USA, HydroShare,

This resource is shared under the Creative Commons Attribution CC BY.


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