Overview of paddock to reef integrated monitoring, modelling and reporting, john armour
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Transcript of Overview of paddock to reef integrated monitoring, modelling and reporting, john armour
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Paddock to Reef Integrated Monitoring,
Modelling and Reporting
Dr John Armour Principal Scientist
Presentation to Chinese delegation, South Johnstone, 25/2/2011
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Monitoring and modelling from paddock to marine ecosystem scale.
Bainbridge et al. 2009
Monitoring at sub-catchment & end-of-catchment scale
Monitoring at paddock
scale
Resource condition (pollutant load)
Target
Coastline
reef
Great Barrier Reef
lagoon Marine
monitoring & modelling program
Modelling at catchment scale
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Monitoring and modelling from paddock to marine ecosystem scale.
Bainbridge et al. 2009
Coastline
reef
Great Barrier Reef
lagoon
Modelling at catchment scale
Dr Gill McCloskey
Dr Richard Hunt
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Scope Reef Monitoring & Modelling
Cropping
Grazing
Bananas Cane
Horticulture
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Wet Tropics
Innisfail
Cairns
N
Great Barrier Reef
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Intensive cropping in wet tropics
sugarcane bananas
Cairns
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Water balance in well drained soil
3,100 mm
Runoff 300 mm (10%)
Evap-trans 1,150 mm
(37%)
Prove and Moody 1997
Leached 1,850 mm (40-60%)
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1m below soil surface
Lysimeter Water Trap
Water tower (regulates vacuum)
Control panel
Vacuum applied Sub-surface water
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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?
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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)
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Field instruments
• refrigerated sampler • batteries • electronic controllers • data loggers • solar panels
• flume to monitor water flow • sampling point
Lysimeter system to capture drainage
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Field instruments
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Sugarcane site
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Data collected
• Soil samples nutrient & pesticide studies • Water quality in surface runoff • Water quality in deep drainage
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Conclusion
• Current wet season has been well sampled
• Analytical results recently available