2023 Early Hearing Detection & Intervention Conference
March 5-7, 2023 • Cincinnati, OH
6/08/2017 | 3:00 PM - 3:15 PM | STREAMFLOW MECHANISMS AND WATER CHEMISTRY USING OPEN SOURCE WIRELESS TECHNOLOGY | 305B
STREAMFLOW MECHANISMS AND WATER CHEMISTRY USING OPEN SOURCE WIRELESS TECHNOLOGY
High freshwater salinity (measured as total dissolved solids, TDS) is toxic for many fish and macroinvertebrates. Salinity levels are often the strongest indicators of stream degradation below mountaintop mining and valley fill (MTM/VF) operations throughout central Appalachia. Unfortunately, there are no standard technologies to cost-effectively control TDS loadings to streams at remote mine sites. However, a promising experimental technology (“hydrologic isolation,” HI) to remedy this was implemented at a MTM/VF site in eastern Kentucky. Our goal is to evaluate the effectiveness of this HI methodology in maintaining downstream water chemistry. We will identify and characterize source water contributions to streamflow using salinity measurements (conductivity, a proxy for TDS) to determine how HI affects surface water-groundwater interactions and identify the dominant flowpaths contributing to streamflow. Using a wireless sensor network to collect surface water and groundwater chemistry data, we pair continuous rainfall data with continuous discharge and flow-weighted conductivity to evaluate the seasonal relationship between rainfall-runoff and streamflow and conductivity levels. Dynamic end-member mixing analyses will be used to quantify contributions to stormflow from different streamflow generation mechanisms. The wireless sensor technology will be described and preliminary results will be presented.
- C27 Landuse and Non-Point source Impacts
- C10 Biogeochemistry
- C19 Causal Assessment & C22 Disturbance
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Presenters/Authors
Stephanie Fulton
(), University of Georgia, sgfulton@charter.net;
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Aaron Thompson
(), University of Georgia, aaront.soil@gmail.com;
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John Dowd
(), University of Georgia, jdowd@uga.edu;
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