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Nutrient Fluxes in the Neponset River Watershed

Nutrient Fluxes in the Neponset River Watershed. sccwrp.org. Source: Ian Cooke, posted on course wiki. First Step: Nutrient Data from the MWRA Website. Data starting in 1994 up to 2011 Tested for nutrients , bacteria, DO, clarity, algae, etc. 9 sites in the river and river mouth.

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Nutrient Fluxes in the Neponset River Watershed

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  1. Nutrient Fluxes in the Neponset River Watershed sccwrp.org

  2. Source: Ian Cooke, posted on course wiki

  3. First Step: Nutrient Data from the MWRA Website • Data starting in 1994 up to 2011 • Tested for nutrients, bacteria, DO, clarity, algae, etc. • 9 sites in the river and river mouth

  4. Source: MRWA website

  5. Data and Analysis Figure 2: Nitrate/Nitrite Concentrations Upstream (Station 55) Neponset River

  6. Data and Analysis

  7. Data and Analysis Figure 4: Nitrate/Nitrite Concentrations Downstream (Station 140) Neponset River

  8. Data and Analysis Figure 5: Phosphate Concentrations Downstream (Station 140) Neponset River

  9. Second Step: NLOAD Web-based Model • http://nload.mbl.edu/index.php

  10. NLM Model: • Estimates nitrogen input from different land uses Huang & Chen 2009

  11. Nload Inputs Nload Outputs

  12. Data and Analysis

  13. What’s next? • Refine inputs and weighting in models • Delve deeper, more fine-scaled analysis • For the eelgrass: More sample sites

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