11

GCOOS and GOMA GCOOS and GOMA CollaborationsCollaborations

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GCOOS and GOMA GCOOS and GOMA CollaborationsCollaborations

Nutrient and Water Quality Nutrient and Water Quality Team telecons and meetingsTeam telecons and meetingsCoastal Resiliency meetingsCoastal Resiliency meetingsEducation and OutreachEducation and OutreachDevelopment of HABIOSDevelopment of HABIOSNWQMN Proposal & Follow-NWQMN Proposal & Follow-onon

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GCOOS/GOMA HABIOSGCOOS/GOMA HABIOSJoint Workshop on plan developmentJoint Workshop on plan developmentGOMA WQ Team Proposal to NOAA: GOMA WQ Team Proposal to NOAA: Award October 2008Award October 2008Workshop 1 - Endpoints to Model DesignWorkshop 1 - Endpoints to Model DesignWorkshop 2 - Implementation PrioritiesWorkshop 2 - Implementation Priorities

GCOOS support offeredGCOOS support offered

CDC OOS WorkshopCDC OOS Workshop

44

Potential study sites identified Potential study sites identified in NWQMC proposalin NWQMC proposal

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GOMA Nutrient Source, GOMA Nutrient Source, Fate, and Transport Fate, and Transport

Study Design WorkshopStudy Design Workshop

19-21 February 200819-21 February 2008Galveston, TXGalveston, TX

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Workshop GoalsWorkshop GoalsSteve Wolfe,

FL DEP

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Workshop GoalsWorkshop Goals

Background:Background:

Nutrient criteria must be Nutrient criteria must be developed for the estuaries developed for the estuaries and coastal waters of all and coastal waters of all Gulf Alliance states.Gulf Alliance states.

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Workshop GoalsWorkshop Goals Background:Background:Gulf Alliance states feel that Gulf Alliance states feel that nutrient criteria should nutrient criteria should protect ecosystems by protect ecosystems by preventing undesirable preventing undesirable ecosystem changes. These ecosystem changes. These criteria are preferably criteria are preferably based on cause-effect based on cause-effect relationships.relationships.

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Workshop GoalsWorkshop Goals

Background:Background:

GOMA states are working GOMA states are working together to devise methods together to devise methods that can be used by the that can be used by the individual states to individual states to establish these criteria.establish these criteria.

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Project Goals & ObjectivesProject Goals & Objectives Examine the links between nutrients and Examine the links between nutrients and potential key indicators of community healthpotential key indicators of community health

Identifying the locations in the systems where Identifying the locations in the systems where the potential indicators first exhibit effectsthe potential indicators first exhibit effects

Compare different methods to measure and Compare different methods to measure and assess the potential indicatorsassess the potential indicators

Compare the utility of the indicators as tools Compare the utility of the indicators as tools for use in differing systemsfor use in differing systems

Develop hydrodynamic (circulation) models Develop hydrodynamic (circulation) models and water quality models to help us and water quality models to help us understand nutrient fate and transportunderstand nutrient fate and transport

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StrategyStrategy 1) Design core study protocol*1) Design core study protocol*

*Note: This is not for GOMA coastal monitoring effort*Note: This is not for GOMA coastal monitoring effort

2) Conduct studies using the core 2) Conduct studies using the core design in 3-5 very different Gulf design in 3-5 very different Gulf systems.systems.

3) Identify a ‘new’ simpler core study 3) Identify a ‘new’ simpler core study useable anywhere in Gulf.useable anywhere in Gulf.

4) Use ‘new’ core study to set criteria 4) Use ‘new’ core study to set criteria for priority areas and to develop for priority areas and to develop simpler methods for specific types of simpler methods for specific types of areas or habitats.areas or habitats.

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StrategyStrategy 1) Design core study protocol:1) Design core study protocol:A) sufficient to allow criteria A) sufficient to allow criteria to be established at the site to be established at the site being studiedbeing studied

B) broad enough to be B) broad enough to be transportable between sites transportable between sites that are very different and that are very different and provide comparable results.*provide comparable results.*

*GOMA Round Robin*GOMA Round Robin

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StrategyStrategy 2) Conduct studies using the 2) Conduct studies using the core design in 3-5 very different core design in 3-5 very different systems around the Gulf of systems around the Gulf of MexicoMexicoA) Studies must be sufficient to A) Studies must be sufficient to establish nutrient criteria for establish nutrient criteria for the area being studied.the area being studied.

B) Determine how reduced the B) Determine how reduced the study could have been and study could have been and still result in the same still result in the same nutrient criteria.nutrient criteria.

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StrategyStrategy 3) Identify a ‘new’ simpler 3) Identify a ‘new’ simpler core study useable anywhere core study useable anywhere in Gulf of Mexico.in Gulf of Mexico.Compare the 3-5 ‘minimum’ Compare the 3-5 ‘minimum’ studies and combine into a studies and combine into a new core study design, one new core study design, one which would have given which would have given same results at all sites same results at all sites studied.studied.

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StrategyStrategy 4) Use ‘new’ core study to develop criteria 4) Use ‘new’ core study to develop criteria for high-priority areas and to develop for high-priority areas and to develop simpler methods for specific types of simpler methods for specific types of estuaries/coastal areas and habitats.estuaries/coastal areas and habitats.

Following same approach, use “new” Following same approach, use “new” core design to conduct studies that core design to conduct studies that establish nutrient criteria at 3-5 establish nutrient criteria at 3-5 “different” sites sharing certain “different” sites sharing certain similar characteristics.similar characteristics.

Identify further-reduced minimum Identify further-reduced minimum study design to establish nutrient study design to establish nutrient criteria for sites of this type.criteria for sites of this type.

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Advantages of approach:Advantages of approach:

1) It provides recommended 1) It provides recommended nutrient criteria for all the nutrient criteria for all the study sites.study sites.

2) It provides immediately 2) It provides immediately useable and continually-useable and continually-improving (e.g., less expensive) improving (e.g., less expensive) methods for establishing methods for establishing nutrient criteria.nutrient criteria.

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Advantages of approach:Advantages of approach:

3) Studies do not need to be 3) Studies do not need to be carried out simultaneously to be carried out simultaneously to be comparable.comparable.

4) As long as core study is 4) As long as core study is unaltered, the study design can be unaltered, the study design can be expanded/modified to suit site-expanded/modified to suit site-specific conditions and goals of specific conditions and goals of funding sources.funding sources.

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Advantages of approach:Advantages of approach:

5) Studies spin off tools (such as 5) Studies spin off tools (such as hydrodynamic models) and hydrodynamic models) and information that will help resource information that will help resource managers and are also needed for managers and are also needed for TMDL efforts.TMDL efforts.

6) Methods provide results that 6) Methods provide results that are comparable.are comparable.

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Advantages of approach:Advantages of approach:

7) Nutrient criteria can be 7) Nutrient criteria can be developed as soon as costs developed as soon as costs match priority of match priority of estuaries/coastal areas. estuaries/coastal areas.

2020

Disadvantages of approach:Disadvantages of approach: 1) Initial studies must be 1) Initial studies must be comprehensive (= expensive) comprehensive (= expensive) to provide objective means to to provide objective means to identify a minimum study identify a minimum study design.design.

2) Simpler, less-expensive 2) Simpler, less-expensive methods will not be quickly methods will not be quickly available.available.

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Next Step: Draft Design by late Next Step: Draft Design by late April; Four Working GroupsApril; Four Working Groups

1) nutrient pathways1) nutrient pathways

2) biological indicators2) biological indicators

3) physical/chemical 3) physical/chemical monitoringmonitoring

4) monitoring needed to 4) monitoring needed to support model developmentsupport model development