Effect of deicing chemicals on the hydrologic environment in Massachusetts; evaluation of surface-water data collection

L.R. Frost

doi:10.3133/ofr76353

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Effect of deicing chemicals on the hydrologic environment in Massachusetts; evaluation of surface-water data collection

L.R. Frost

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Abstract

The objective of this study is to develop predictive relationships that can be used to describe the impact of highway deicing salts on the hydrologic environment. A method, presented in an earlier report, for estimating yearly mean chloride concentrations from estimated or actual runoff and salt-application data was applied to the period 1971 through1974 and the results compared with yearly mean chloride concentrations computed from records of specific conductance. Estimates were found to be from minus 63 percent to plus 56 percent in error when the error was expressed as the difference between estimated and computed values as a percentage of the computed values. Chloride concentrations used in this study are computed from specific conductance/chloride concentration relationships and records of specific conductance. Preliminary results from graphic analyses and least-squares regression analysis show that relationships between measured values of specific conductance and chloride concentration have correlation coefficients ranging from 0.30 to 0.97. Analysis of streamflow for all major dissolved constituents is recommended with the purpose of attempting to describe the variations in the specific conductance/chloride concentration relationships.

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Source-reported bounding extent: 41.237964° to 42.886589° latitude; -73.508142° to -69.928261° longitude. This indicates report coverage, not an exact sampling location. View area on OpenStreetMap.

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L.R. Frost. 1976. Effect of deicing chemicals on the hydrologic environment in Massachusetts; evaluation of surface-water data collection. https://doi.org/10.3133/ofr76353

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