Hydrochemical characterization of Old Pond Meadows aquifer, Norwell, Massachusetts
David Kammer, Boston College
Date: 2005
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Abstract
During six-months of monitoring the ground water in observation wells, water quality parameters were measured, and ground water samples were analyzed for hydrochemical characterization of Old Pond Meadows (OPM) aquifer in the Town of Norwell, south east of Massachusetts. Obtained results indicate a presence of three hydrochemical domains of which one is fully divided into three subdomains. Data show that the wetland and upland lower ground waters have different hydrochemical characteristics than the upland upper ground water. A model constructed for the OPM aquifer based on the hydrochemical characteristics of its ground water, suggests that the chemical composition of the upland upper ground water is mostly shaped by chemical weathering, while the lower ground water zone is primarily influenced by ground water recharge from the wetland which is reducing and has higher concentrations of dissolved constituents and road deicing agents.
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