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Data in support of the Pawcatuck River and Little Narragansett Bay Eutrophication Modeling Effort

Published by U.S. EPA Office of Research and Development (ORD) | U.S. Environmental Protection Agency | Metadata Last Checked: August 02, 2025 | Last Modified: 2024-02-21
This data repository has been created to support Cashel et al. 2024 publication titled “Using Monitoring and Mechanistic Modeling to Improve Understanding of Eutrophication in a Shallow New England Estuary”. This research served to explore the applicability of observed data and a dynamic, mechanistic fate and transport water quality model to assess eutrophication and hypoxia in the Pawcatuck River Estuary (New England, USA). Associated files include outputs from the Wood-Pawcatuck Watershed HSPF model, atmospheric forcing functions, continuous and discrete observed data in the Pawcatuck River Estuary, and additional information used to support this research. Refer to Section 6 of the Supplementary Materials associated with this research paper for a description of the contents of each file. Continuous (15-min intervals) sonde data and grab samples were collected across several years with locations designed to capture longitudinal, vertical, and lateral spatial variation within the system. Observed data include: salinity (SAL, ppt), water temperature (WT, °C), depth (DEP, m), dissolved oxygen (DO, mg/L), chlorophyll a (chl a, μg/L as chl a), ammonium (NH4, μg/L as N), nitrate (NO3, μg/L as N), dissolved inorganic phosphorus (DIP, μg/L as P), total nitrogen (TN, μg/L as N), total phosphorus (TP, μg/L as P), and total suspended solids (TSS, μg/L). This dataset is associated with the following publication: Cashel, F.S., C.D. Knightes, C. Lupo, T. Iott, K. Streich, C.J. Conville, T.W. Bridges, and I. Dombroski. Using monitoring and mechanistic modeling to improve understanding of eutrophication in a shallow New England estuary. JOURNAL OF ENVIRONMENTAL MANAGEMENT. Elsevier Science Ltd, New York, NY, USA, 355(March 2024): 120478, (2024).

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