new swarm technology and real- time drain water management · 2015. 1. 6. · ag nutrient/water...
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Swarm Technology and Real-Time Drain Water Management
ACES ConferenceDecember 2014
Dennis McGrathDir., Great Lakes
The Nature Conservancy
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Goal: Manage Ag Watershed Hydrology to Improve Ecosystem Services
PARTNERS• Ecosystem Services Exchange• Agri Drain Corporation• EmNet• Great Lakes Protection Fund• Kieser & Associates, LLC• Nicholas H2O• Reetz Agronomics• The Nature Conservancy• University of Notre Dame
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Ag Nutrient/Water Problems
• System: Aquatic ecosystems (streams, rivers, lakes, coastal waters
• Stress: Nutrient pollution• Source of Stress: Fertilizer/Manure via runoff, tiles
• Strategy: Improve water flows by optimizing drainage for agriculture and clean water
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Western Lake Erie Basin: 7.2MM acres600K miles tile; 15K miles ditches
Intense Concentrations Large Scale Impact
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Water Flow “Drives” the Agronomic and Aquatic Systems
• WLEB 2011 – Record Algal Blooms/Record Spring Rains
• WLEB 2012 – No Algal Blooms/Very Dry Spring
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Causes of Loss for Iowa Corn 1948-2010
Causes of Loss for Iowa Soy, 1955-2010
Drought40%
ExcessMoisture27%
ExcessMoisture27%
Drought28%
Charts courtesy of Chad Hart, Managing Risk in Agriculture, Iowa State University, June 2013
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Drainage Water Management (Real Time)
Seasonal Schedule
Winter Spring
Summer Fall
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• Proven conservation practice
• Not yet widely adopted
• Not managed to agronomic or environmental potential(Vast majority of today’s tile system is still free‐flow)
Drain Water Management
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Have you wondered why……?Advantages to Collective Behavior
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“Swarm” Technology
• Processing many signals simultaneously to reach some collective, optimum outcome–Medicine–Water Utility Storm Systems
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What if ……?
Swarm Technology + Real‐Time Drain Water Management
* Improve environmental performance * Improve crop production/ROI* Manage risk
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“Swarm” RT DWM Application in Ag Watersheds
Agronomic and Environmental Desired Conditions established
Anticipates, Measures, Integrates, Distributes Information
Manage Network of Tile Drain Outlets
Farm field‐ to Watershed‐Scales
Optimizes Agronomic and Ecosystem Conditions
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“Swarm” RT DWM Components
• Real‐time Sensors (soil moisture, water levels, nutrients
• Real‐time Drain Control Structures (remotely controlled drain tile units)
• Optimization Program (“swarm” data processing)
• Wireless Communication Network (knits together flow of information to structures)
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Quantification
• Optimization decisions determined by agronomic and environmental goals
• Quantification allows for transactions (e.g. nutrient trading)
• Quantifiable goals inform management decisions
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Last Word
• Field Testing– Technology– Behaviors– Agronomic and Environmental Impact (“Move the needle”?)
• Scaling– Significant scale potential– Anticipate phased adoption over long‐term– Not silver bullet; couple with other BMP