2022 Early Hearing Detection & Intervention Virtual Conference
March 13 - 15, 2022
6/05/2017 | 11:30 AM - 11:45 AM | RELATIONSHIPS BETWEEN INFLOWS, NUTRIENT LOADING, PHYTOPLANKTON AND DISSOLVED OXYGEN IN TWO BAY SYSTEMS OF THE WESTERN GULF OF MEXICO: A NUMERICAL MODELING STUDY | 306A
RELATIONSHIPS BETWEEN INFLOWS, NUTRIENT LOADING, PHYTOPLANKTON AND DISSOLVED OXYGEN IN TWO BAY SYSTEMS OF THE WESTERN GULF OF MEXICO: A NUMERICAL MODELING STUDY
A spatiotemporal analyses of relationships between inflows (river discharge), nutrient loading, phytoplankton and dissolved oxygen in San Antonio Bay (SAB) and the Copano and Aransas Bay System (CABS), located in the western Gulf of Mexico was performed using data collected from 1973 to 2014. The tools used for this study included coupled biological and physical numerical models (one for SAB and one for CABS). Statistical analyses of historical data for SAB and CABS were used to guide the structure of the biological modules nested within circulation models. The circulation aspect of the models was guided by TxBLEND, which was tailored to each bay. After development, calibration and validation, sensitivity analyses were performed on the models to determine which parameterizations had the most influence on simulation results. The models were then used in simulation analyses to identify inflow and nutrient loading thresholds where state water quality criteria were not met. As such, the products from this project will be used by state agency staff in the development of nutrient criteria options for SAB and CABS.
- C20 Climate Change
- C24 Eutrophication
- C31 Organic Matter Processing
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Presenters/Authors
Antonietta Quigg
(), Texas A&M, quigga@tamug.edu;
ASHA DISCLOSURE:
Financial -
Nonfinancial -