State Water Resources Research Institute Program

Project ID: 2008NH87B
Title: Urbanization Impacts on NH Streamwater Thermal Loading
Project Type: Research
Start Date: 3/01/2009
End Date: 2/28/2010
Congressional District: 1st NH
Focus Categories: Surface Water, Non Point Pollution, Water Quality
Principal Investigator: Jacobs, Jennifer (University of New Hampshire); Ballestero, Thomas P.; Roseen, Robert (Univ New Hampshire)
Federal Funds: $ 15,487
Non-Federal Matching Funds: $ 34,188
Abstract: The goal of the proposed research is to quantify the impact of urbanization on NH stream water temperature. We propose to 1) augment existing datasets from the UNH Stormwater Center's (UNHSC) stream temperature and conductivity monitoring locations. The methodology's target domain is headwater (primarily first order) streams in New England Coastal streams. For this project, there are four existing sites that are currently being monitored and an additional six sites will be identified and instrumented. 2) We will compare the magnitude and timing of heat input upstream and downstream of road crossings and impervious areas. 3) We will characterize the thermal loadings and concentrations longitudinally downstream of the source using a One-Dimensional Solute Transport with Inflow and Storage (OTIS) model. The model will be calibrated using continuous temperature measurements and fiber optic distributed temperature sensing (FO-DTS). The research results will determine if and when road crossings and impervious areas elevate background levels of temperature and the longitudinal extent of the impact. Recognizing that stormwater is managed using a variety of strategies and systems, the proposed research will characterize the thermal input to such stormwater facilities.

Progress/Completion Report, 2008, PDF
Progress/Completion Report, 2009, PDF

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