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Midpoint Assessment

New web page summarizes the priorities and identifies lead researchers for each effort. The descriptions are brief with links to more detailed workplans.

Phase 7 Model Development

The Chesapeake Bay Program is updating its modeling and analysis tools used in the Chesapeake Bay TMDL. For more information, please visit the Phase 7 Model Development Webpage.

Tributary Summaries

The Chesapeake Bay Program and its partners produce tributary basin summary reports for the Bay’s 12 major tributaries using tidal monitoring data from more than 130 monitoring stations throughout the mainstem and tidal portions of the Bay. These reports use water quality sample data to summarize 1) How tidal water quality (TN, TP, DO, Chlorophyll a, Secchi Depth) has changed over time, 2) How and which factors may influence water quality change over time, and 3) Recent research connecting observed changes in aquatic conditions to its drivers.

These documents can be found on the CAST webpage here.

Phase 6 Watershed Model Documentation

The model documentation is available as a single downloadable document (78 MB) or as separate model sections (see Below). The suggested citation is: Chesapeake Bay Program Office, 2020. Phase 6 Dynamic Watershed Model and CAST-17 Documentation. https://cast.chesapeakebay.net....

1. Overview

2. Average Loads
Appendix 2A: Agricultural Loading Rates

3. Terrestrial Inputs
Appendices ABCDG: Terrestrial Inputs
Appendix 3E: Swine Characterization Study Final Report
Appendix 3F: Turkey Litter Nutrients
Appendix 3H: Atmospheric Deposition

4. Sensitivity
Appendix 4A: Sensitivity analysis of the HSPF AgChem Model
Appendix 4B: Sensitivity analysis for all land uses

5. DRAFT Land Use
DRAFT Land Use Appendix

6. Best Management Practices
Appendix 6A: BMP Expert Panel Protocol
Appendix 6B: Order of Load Source Change Credit

7. Land to Water

8. Direct Loads

9. Stream to River
Appendix 9A: Alternate Stream to River Methods
Appendix 9B: Excluded Reservoir Catchments

10. River to Bay and Temporal Simulation
Appendix 10A: Ftables and Stations
Appendix 10B: Calibration Stations
Appendix 10C: Nutrients and Sediment Calibration Targets
Appendix 10D: HSPF River Water Quality Parameters
Appendix 10E: Estuarine Model Linkage

11. Physical Setting
Appendix 11A: List of Segments

12. Applications

13. Reviews

14. References

15. Errata

Phase 6 WQSTM Peer Review

This project page is the repository for documents and files related to the peer review of the Phase 6 Water Quality and Sediment Transport Model (WQSTM). Please email Kyle Hinson (khinson@chesapeakebay.net) with any questions you may have.

Documentation

All documentation for the Phase 6 WQSTM can be found in the Draft 2017 documentation and its appendices. Information on key scenarios can also be found in the Phase 6 Key Scenarios pdf file.

Additional Materials

Further attachments contain all the presentations that were presented for the STAC peer review.

CMAQ Peer Reviews

CMAQ Review Process: During the past three years, CMAS, in collaboration with EPA scientists, has organized two CMAQ review panel meetings etc. The first CMAQ review meeting was held during December 2003. The second meeting was held during May 2005. The review process usually starts by inviting a number of key scientists to participate in the process. The scientists are selected based on their expertise in accordance with the focus of the review session. After reviewing numerous reports and articles and completing their meeting in Research Triangle Park, North Carolina, the review panel prepares a comprehensive report on their findings and recommendations. EPA then responds to the comments of the reviewers. Final review reports are posted below.