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University of New Hampshire

PREP Reports & Publications

2004

Coastal Management

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Inflow And Loadings From Ground Water To The Great Bay Estuary, New Hampshire, Thomas P. Ballestero, Robert Roseen, Larry K. Brannaka Jan 2004

Inflow And Loadings From Ground Water To The Great Bay Estuary, New Hampshire, Thomas P. Ballestero, Robert Roseen, Larry K. Brannaka

PREP Reports & Publications

This final report presents the results of a study to evaluate groundwater inflow and nutrient loadings to the Great Bay Estuary, New Hampshire. The evaluation of inflow was accomplished independently by two methods: one, used thermal imagery, and the other, piezometric mapping. The thermal imagery method assessed groundwater that was observed to discharge within the intertidal zone of an inland estuary. The groundwater piezometric mapping method used bedrock wells around the bay to create an overall piezometric map of the near-bay area. Groundwater discharge was evaluated with respect to flow, concentration, and ultimately nitrogen loading to coastal waters. The results …