Document Type

Thesis

Degree

Master of Science (MS)

Department

Civil Engineering

First Advisor's Name

Hector R. Fuentes

First Advisor's Committee Title

Committee Chair

Second Advisor's Name

Georgio Tachiev

Third Advisor's Name

Omar I. Abdul-Aziz

Keywords

Civil Engineering, Water Resources Engineering, Hydrologic Model, MIKE, ECO Lab, Mercury, East Fork Poplar Creek

Date of Defense

7-3-2013

Abstract

This research is part of continued efforts to correlate the hydrology of East Fork Poplar Creek (EFPC) and Bear Creek (BC) with the long term distribution of mercury within the overland, subsurface, and river sub-domains. The main objective of this study was to add a sedimentation module (ECO Lab) capable of simulating the reactive transport mercury exchange mechanisms within sediments and porewater throughout the watershed. The enhanced model was then applied to a Total Maximum Daily Load (TMDL) mercury analysis for EFPC. That application used historical precipitation, groundwater levels, river discharges, and mercury concentrations data that were retrieved from government databases and input to the model. The model was executed to reduce computational time, predict flow discharges, total mercury concentration, flow duration and mercury mass rate curves at key monitoring stations under various hydrological and environmental conditions and scenarios. The computational results provided insight on the relationship between discharges and mercury mass rate curves at various stations throughout EFPC, which is important to best understand and support the management mercury contamination and remediation efforts within EFPC.

Identifier

FI13080913

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