Monitoring and Modeling the Acidification and Recovery of Catskills Waters and Soils Chris E. Johnson & Charles T. Driscoll Dept. of Civil & Environmental.

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Presentation transcript:

Monitoring and Modeling the Acidification and Recovery of Catskills Waters and Soils Chris E. Johnson & Charles T. Driscoll Dept. of Civil & Environmental Engineering Syracuse University

Acid Deposition: Source: National Atmospheric Deposition Program,

Long-Term Changes in Surface-Water Chemistry Source: Murdoch and Shanley, 2006, Env. Monitoring & Assessment Source: Warby et al., 2005, Env. Science & Technology Annual Rate of Change,

Response of Acidified Soils and Associated Surface Waters to Reduced Atmospheric Acid Inputs and Calcium Mitigation Strategies New Project – April 2010 ◘ How is soil chemical change linked to stream and lake responses to acidic deposition? ◘ Are existing soil chemical data sufficient to adequately track future soil change? ◘ Have applications of Ca to soils been effective in increasing the long-term base status of forest soils and drainage waters? ◘ Which Ca mitigation strategies hold the most promise for accelerating the chemical recovery of soils and surface waters in the Adirondacks?

Climatic data Solar radiation Precipitation Temperature PnET Water balance Photosynthesis Living biomass Litterfall Net Mineralization BGC – Surface water Aqueous reactions Uptake Deep water flow Shallow water flow Weathering Wet Deposition Dry Deposition BGC Aqueous reactions Surface reactions Cation exchange Adsorption Humic binding Aluminum dissolution/precipitation

Response of Acidified Soils and Associated Surface Waters to Reduced Atmospheric Acid Inputs and Calcium Mitigation Strategies Biogeochemical Model (Pnet-BGC) Climate Data/ Scenarios Soil Chemical Data Forest Comp/ History Calcium Mitigation? Stream Chemistry Outputs/Forecasts

Response of Acidified Soils and Associated Surface Waters to Reduced Atmospheric Acid Inputs and Calcium Mitigation Strategies Biogeochemical Model (Pnet-BGC) Climate Data/ Scenarios Soil Chemical Data Forest Comp/ History Calcium Mitigation? Stream Chemistry Outputs/Forecasts Calibration Validation

Response of Acidified Soils and Associated Surface Waters to Reduced Atmospheric Acid Inputs and Calcium Mitigation Strategies Biogeochemical Model (Pnet-BGC) Climate Data/ Scenarios Soil Chemical Data Forest Comp/ History Calcium Mitigation? Stream Chemistry Outputs/Forecasts Calibration Validation Long-Term Monitoring/ Reporting

Response of Acidified Soils and Associated Surface Waters to Reduced Atmospheric Acid Inputs and Calcium Mitigation Strategies Proposed Field and Laboratory Work ◘ Chemical analysis of mineral soil samples collected at 130 sites in NE USA in , comparison with 1984 data. ◘ Monthly sampling and analysis of 12 (or more) Catskills stream sites selected from sites in Lovett et al. (2000) study. ◘ Bi-monthly sampling and analysis of inlet streams to six Adirondack lakes. ◘ Soil sampling and analysis from experimentally manipulated sites in the Adirondacks. ◘ Soil sampling and analysis from 25 Catskills watersheds to establish a soil monitoring baseline for future studies

Response of Acidified Soils and Associated Surface Waters to Reduced Atmospheric Acid Inputs and Calcium Mitigation Strategies Proposed Field and Laboratory Work ◘ Chemical analysis of mineral soil samples collected at 130 sites in NE USA in , comparison with 1984 data. Completed. ◘ Monthly sampling and analysis of 12 (or more) Catskills stream sites selected from sites in Lovett et al. (2000) study. ◘ Bi-monthly sampling and analysis of inlet streams to six Adirondack lakes. ◘ Soil sampling and analysis from experimentally manipulated sites in the Adirondacks. ◘ Soil sampling and analysis from 25 Catskills watersheds to establish a soil monitoring baseline for future studies

Response of Acidified Soils and Associated Surface Waters to Reduced Atmospheric Acid Inputs and Calcium Mitigation Strategies Proposed Field and Laboratory Work ◘ Chemical analysis of mineral soil samples collected at 130 sites in NE USA in , comparison with 1984 data. Completed. ◘ Monthly sampling and analysis of 12 (or more) Catskills stream sites selected from sites in Lovett et al. (2000) study. Underway (06/10) ◘ Bi-monthly sampling and analysis of inlet streams to six Adirondack lakes. ◘ Soil sampling and analysis from experimentally manipulated sites in the Adirondacks. ◘ Soil sampling and analysis from 25 Catskills watersheds to establish a soil monitoring baseline for future studies

Response of Acidified Soils and Associated Surface Waters to Reduced Atmospheric Acid Inputs and Calcium Mitigation Strategies Proposed Field and Laboratory Work ◘ Chemical analysis of mineral soil samples collected at 130 sites in NE USA in , comparison with 1984 data. Completed. ◘ Monthly sampling and analysis of 12 (or more) Catskills stream sites selected from sites in Lovett et al. (2000) study. Underway (06/10) ◘ Bi-monthly sampling and analysis of inlet streams to six Adirondack lakes. Ready to begin ◘ Soil sampling and analysis from experimentally manipulated sites in the Adirondacks. Ready to begin ◘ Soil sampling and analysis from 25 Catskills watersheds to establish a soil monitoring baseline for future studies.

Response of Acidified Soils and Associated Surface Waters to Reduced Atmospheric Acid Inputs and Calcium Mitigation Strategies Proposed Field and Laboratory Work ◘ Chemical analysis of mineral soil samples collected at 130 sites in NE USA in , comparison with 1984 data. Completed. ◘ Monthly sampling and analysis of 12 (or more) Catskills stream sites selected from sites in Lovett et al. (2000) study. Underway (06/10) ◘ Bi-monthly sampling and analysis of inlet streams to six Adirondack lakes. Ready to begin ◘ Soil sampling and analysis from experimentally manipulated sites in the Adirondacks. Ready to begin ◘ Soil sampling and analysis from 25 Catskills watersheds to establish a soil monitoring baseline for future studies. Need to secure permissions

Catskills Stream Sampling Sites

Stream Sulfate Concentrations

Stream Calcium Concentrations

Total Nitrogen Concentrations

Stream DOC Concentrations