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Chesapeake Bay Program’s Baywide and Basinwide Monitoring Networks: Options for Adapting Monitoring Networks and Realigning Resources to Address Partner Priorities A Nontidal WG Review June 17, 2009. Peter Tango USGS @CBPO. WATERSHED TIDAL.

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Peter tango usgs @cbpo

Chesapeake Bay Program’s Baywide and Basinwide Monitoring Networks:Options for Adapting Monitoring Networks and Realigning Resources to Address Partner PrioritiesA Nontidal WG ReviewJune 17, 2009

Peter Tango

USGS @CBPO


WATERSHED TIDAL Networks:


WATERSHED TIDAL Networks:


WATERSHED TIDAL Networks:


WATERSHED TIDAL Networks:


  • The CBP Watershed Monitoring Networks:

  • Network Nutrient and Sediment

  • Load calculation sites:

  • YearSites

  • 2007 33

  • 2008 73

  • 2009 79

  • 2010 88

  • Regional nutrient load assessments

  • presently available for 33 sites.

  • Quantify trends potentially reflective

  • of control practices.

  • Data used to calibrate Watershed

  • models

  • “Spatial density… inadequate for

  • determining effectiveness of control

  • actions being taken on the land”

  • (STAC 2005)

Current and future Watershed Network Water Quality Monitoring sites where loads can be calculated within the Chesapeake Bay Basin


  • Proposed Watershed Activities Networks:

  • Respecting New Objectives:

  • Refine/Expand our existing network to document load changes at local, tributary strategy and regional scales

  • Assess change from different major source sectors, e.g. agriculture, urban, suburban

  • Strategically Partner on Priority Watershed Implementation sites

  • Develop indicators that related

  • Measured nutrient and sediment changes to allocations needed to meet the Bay TMDL

Active and Proposed Watershed Network Water Quality Monitoring sites in the Chesapeake Bay Basin


Secondary Stations Networks:

18 sites where monitoring is only

partially implemented.

Fully implementation monitoring is

required for the sites to contribute

to nutrient and sediment load site

Network, i.e. The Primary Station

Watershed Network.

This directly addresses the STAC

2005 critique regarding spatial

density of monitoring stations in

watershed.

Before full implementation for any

such site, prioritization will be

made by representativeness

of landscape character associated

with these sites.


Mrat needs
MRAT Needs Networks:

  • Focus priorities.

    • Field Monitoring

    • Analysis and Interpretation

    • % Field vs. % Analysis tradeoffs


Mrat needs1
MRAT Needs Networks:

  • Scheduling priorities.

    • Compare Single full-funding event versus phased-in funding over 2-4 years.

      • Year 1: What are priorities for first $250K, $500K, $750K, $1M?

      • Year 2: What are the priorities after year 1 for the next $250K, $500K, $750K?

      • Year 3?

      • Year 4?


Example Scenario Structure for a Decision Tree: Networks:

Year 1 Year 2 Year 3 Year 4

Scenarios

3 or 4 year

3 yrs

2 yrs

3 yrs

2 yrs

2 yrs

1 yr

250

500

250

250

250

500

750

250

500

250

250

500

750

1M

Scenarios: 1 1-yr & 1 4-yr, then 3 2-yr and 3 3-yr opportunities = 8 scenarios


Mrat needs2
MRAT Needs Networks:

  • Partnering opportunities

  • Tighten $ estimates on the scenarios for recommendations.


Thank you

THANK YOU! Networks:


WATERSHED TIDAL Networks:


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