Recent Publications

A Review of Agricultural P-dynamics in the Chesapeake Bay Watershed Model

STAC created an ad hoc group to work with CBP modelers to investigate how phosphorus (P) transport from cropland was simulated in the CBP Watershed Model (CBWM). The recommendations can be found in the August 2014 STAC-14-005 publication. (view)

Multiple Models for Management in the Chesapeake Bay

This report presents the findings and recommendations of the February 25-26, 2013 workshop. The goal was to gather regional and national technical experts and managers to discuss their experiences and consider how multiple models could be used within the CBP. (view)

Designing Sustainable Coastal Habitats

STAC held a workshop in April 2013 to examine methods for designing coastal landscapes in the Chesapeake Bay watershed through restoration and protection of habitats that will be sustainable in the face of multiple stressors affecting coastal ecosystems. (view)

Critical Issues in Implementing Nutrient Trading Programs in the Chesapeake Bay Watershed

The STAC Nutrient Trading Workshop was held to examine and discuss the various trading methods, challenges, and opportunities available to Chesapeake Bay Watershed states currently, and how these trading programs can be improved upon moving forward. (view)

Evaluation of the Use of Shellfish as a Method of Nutrient Reduction in the Chesapeake Bay

STAC conducted a review of the denitrification rates of oysters to determine implications for best management practices in oyster aquaculture and the inclusion of oysters in TMDL implementation. For more details, see the full report. (view)

Incorporating Lag-Times Into the Chesapeake Bay Program

The STAC Lag Times Workshop was convened to define what lag times are in the Chesapeake Bay Watershed, how lag times can impact the results of BMP implementation, and how the CBP can account for them in the future. Please see the full report for more details. (view)

Research-Based Best Practices for Environmental Education

STAC convened top environmental education researchers and evaluators on August 27-28, 2012 in Annapolis, MD to discuss topics critical to establishing standards for environmental education in the watershed. Please see the full report for more details. (view)

Exploring the Environmental Effects of Shale Gas Development in the Chesapeake Bay Watershed

On April 11-12, 2012, the Chesapeake Bay Program's Scientific and Technical Advisory Committee (STAC) convened an expert workshop to investigate the environmental effects of shale gas development in the Chesapeake Bay Watershed. The purpose of this workshop was to engage scientists from across the nation in a review of the state-of-the-science regarding shale gas development effects on the Chesapeake Bay. See the workshop recommendations in the final report. (view)

Chesapeake Bay Goal Line 2025: Opportunities for Enhancing Agricultural Concervation

More than one hundred attendees discussed plans for continued Best Management Practice (BMP) implementation at STAC's Goal Line 2025 workshop. Together, they outlined strategies that will aid the Chesapeake Bay Program in their efforts to achieve 100 percent implementation by 2025. See the recommended strategies in the full report. (view)

The Role of Natural Landscape Features in the Fate and Transport of Nutrients and Sediment

At the request of the Healthy Watersheds Goal Implementation Team (GIT 4), STAC held a spring 2012 workshop to investigate 'whether there is a scientific basis for changing how the Chesapeake Bay Program Watershed Model assigns nutrient and/or sediment loading rates of natural landscape features based on their ecological health/condition, management status, and/or landscape position.' See the workshop findings and recommendations in the full report. (view)

Using Multiple Models for Management in the Chesapeake Bay: A Shallow Water Pilot Project

CBP Director Nick DiPasquale requested that STAC hold a workshop in 2012 to assess the shallow water multiple model pilot project, and provide a 'foundation for future modeling in the productive, littoral areas of the Bay,' while demonstrating the 'potential use of multiple models in routine CBP modeling activities.' STAC recommended that the Chesapeake Bay Program initiate a shallow water, multiple model pilot project as soon as possible. See the full report for more details. (view)

Evaluating the Validity of the Umbrella Criterion Concept for Chesapeake Bay Tidal Water Quality Assessment

In 2010, the Chesapeake Bay Program created an Umbrella Criterion Action Team to analyze if the "umbrella criteria" for dissolved oxygen within the Bay was protective of all dissolved oxygen standards. The report describes their findings and the STAC workshop. (view)

Adapting to Climate Change in the Chesapeake Bay

The restoration of the Chesapeake Bay will take decades to achieve. The best available science indicates that this period is likely to experience rising sea levels, increasing temperatures, and changing precipitation patterns. (view)

Integrating the Social Sciences into Chesapeake Bay Restoration

On March 10, 2011, STAC organized a workshop for natural and social scientists, resource managers, students and policymakers to identify opportunities for advancing social science research in Chesapeake Bay restoration. This report summarizes the workshop. (view)

Chesapeake Bay Hydrodynamic Modeling

STAC and the Chesapeake Community Modeling Program (CCMP) held a joint workshop in June, 2011 to explore what the next generation of the Chesapeake Bay Watershed Model should look like, and discuss how the Bay Program could develop a new model or models. (view)

Evaluation of the Effectiveness of SAV Restoration Approaches in the Chesapeake Bay

STAC was requested to conduct a review of the effectiveness of direct SAV restoration efforts, evaluate the efficacy of the direct restoration strategy for accelerating broader SAV recovery, and, if appropriate, provide guidance on how to improve the efforts. (view)

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The Scientific and Technical Advisory Committee (STAC) provides scientific and technical guidance to the Chesapeake Bay Program on measures to restore and protect the Chesapeake Bay. Since its creation in December 1984, STAC has worked to enhance scientific communication and outreach throughout the Chesapeake Bay watershed and beyond.


STAC Report: A Review of Agricultural P-dynamics in the Chesapeake Bay Watershed Model

The review was initiated in 2011 in order to investigate how Phosphorus transport from cropland is simulated in the Chesapeake Bay Watershed Model (CBWM). The final report was distributed to the Partnership on August 26, 2014.
More: Click here

STAC Report: Using Multiple Management Models (M3.2) in the Chesapeake Bay Watershed

STAC held a workshop on February 25-26, 2013 to investigate how to incorporate multiple management models into the Chesapeake Bay Program's modeling suite. The workshop gathered regional and national technical experts and managers with hands on experience using multiple models in a regulatory environment.
More: Click here

STAC Criteria for Science-based Restoration and Management

The white paper, Criteria for Science-based Restoration and Management, from the Scientific and Technical Advisory Committee was produced to help inform policy makers and the public on the utilization of science in major restoration efforts.
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STAC Report: Designing Sustainable Coastal Habitats

In response to a request from the Chesapeake Bay Program's (CBP) Protect and Restore Vital Habitats Goal Implementation Team (GIT 2), STAC sponsored a "Designing Sustainable Coastal Habitats" workshop on April 16-17, 2013.
More: Click here

STAC Report: Critical Issues in Implementing Nutrient Trading Programs in the Chesapeake Bay Watershed

STAC held a workshop on May 14, 2013 to examine design and implementation choices for different watershed state trading programs.
More: Click here

STAC Upcoming Events

March 2014 STAC Quarterly Meeting (more)


Management Effects on Water Quality Trends (more)


Peculiarities of Perviousness Workshop (more)


Designing Sustainable Stream Restoration Projects within the Chesapeake Bay Watershed (more)


June 2014 STAC Quarterly Meeting (more)


Exploring Applications of Behavioral Economics Research to Environmental Policy-making in the Chesapeake Bay Watershed (more)


September 2014 STAC Quarterly Meeting (more)


Re-plumbing the Chesapeake Watershed: Improving roadside ditch management to meet TMDL water quality goals (more)


Assessing the Chesapeake Bay Forage Base: Existing Data and Research Priorities (more)


December 2014 STAC Quarterly Meeting (more)


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