This report focuses on data acquisition and processing, starting with the selection of the water quality constituents to be modeled and the selection of periods of records for calibration and validation. It assesses whether sufficient data is available to achieve the modeling goals. It also provides recommendation for monitoring where additional data is needed. The description of the Refuge's background, hydrology, soils, physiographic, water management and regulation, as well as a comprehensive literature review of previous modeling efforts within the Refuge and wetland systems, will be presented in companion reports.

The main goals of this report are:

• Identify the period of record for calibration and validation of the numerical model.
• Identify the constituents to be modeled.
• Compile the data needed to support the modeling effort.
• Check the quality and resolution of the gathered data.
• Determine if sufficient data is available to achieve the modeling goals.

Table of Contents:

1. Introduction
2. Constituents to Be Modeled
3. Period of Record
4. Types of Data
5. Procurement and Quality Assurance of Bathymetric Data
6. Procurement and Quality Assurance of Water Level Data
7. Procurement and Quality Assurance of Flow Data
8. Procurement and Quality Assurance of Meteorological Data
9. Procurement and Quality Assurance of Water Quality Data
10. Conclusions and Recommendations
11. References
12. Appendices

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