Overview of paddock to reef integrated monitoring, modelling and reporting, john armour

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Overview of paddock to reef integrated monitoring, modelling and reporting, john armour

  1. 1. Paddock to Reef Integrated Monitoring, Modelling and Reporting Dr John Armour Principal ScientistPresentation to Chinese delegation,South Johnstone, 25/2/2011
  2. 2. Monitoring and modelling from paddock to marine ecosystem scale. Resource condition (pollutant load) Monitoring at Target paddock scale Monitoring at sub- catchment & end- of-catchment scale reef Modelling at Great catchment scale Barrier Marine Reef monitoring & lagoon modelling program Coastline Bainbridge et al. 2009
  3. 3. Monitoring and modelling from paddock to marine ecosystem scale. Dr Richard Hunt reef Modelling at Great catchment scale Barrier Reef lagoon Dr Gill McCloskey Coastline Bainbridge et al. 2009
  4. 4. Scope Reef Monitoring & ModellingBananas Cane Grazing Horticultur eCropping
  5. 5. Wet Tropics N Cairns Innisfail Great Barrier Reef
  6. 6. Intensive cropping in wet tropics Cairns sugarcane bananas
  7. 7. Water balance in well drained soil Evap-trans 1,150 mm 3,100 mm (37%) Runoff 300 mm (10%) Leached 1,850 mmProve and Moody 1997 (40-60%)
  8. 8. Water towerControl (regulates vacuum)panel 1m below Sub-surface water soil Vacuum applied surface Water Trap Lysimeter
  9. 9. Paddock scale monitoring - What is the effect of management?•  On surface & sub-surface water quality (sediment, nutrient, pesticides) at paddock scale?•  On crop yield and profitability?
  10. 10. Science consortium of Terrain, DERM, DEEDI, ACTFR, BSES•  Tully cane sites located on DPI’s Demonstration Farm sites (instrumentation established)•  Banana sites established with DPI Crop uniformity trials (instrumentation almost established)
  11. 11. Field instruments• refrigerated sampler• batteries• electronic controllers• data loggers• solar panels Lysimeter system to capture drainage• flume to monitor water flow• sampling point
  12. 12. Field instruments
  13. 13. Sugarcane site
  14. 14. Data collected•  Soil samples nutrient & pesticide studies•  Water quality in surface runoff•  Water quality in deep drainage
  15. 15. Conclusion•  Current wet season has been well sampled•  Analytical results recently available

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