Presentation title Innovative Approaches to Catchment ... · Presentation title Dr Peter Stone...
Transcript of Presentation title Innovative Approaches to Catchment ... · Presentation title Dr Peter Stone...
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Presentation title
Dr Peter Stone
Innovative Approaches to Catchment Based Solutions
SWAT Conference
24-26th June 2015
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Introduction – APEM and EuroMed
• Aquatic scientists with catchment management expertise
• Dedicated team of field staff
• Remote sensing capability including specialist camera technology and aircraft
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Drivers for Catchment Based Work• Improving water quality with the Catchment Based
Approach is now widely recognised
• Driven by:
– WFD
– Bathing Water Directive
– Drinking Water Inspectorate
• The success of the Catchment Based Approach will rely on building local awareness of the wider environment
• Evidence base to underpin local awareness is gradually improving with regard to diffuse pollution
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Introduction
• Large body of work to understand processes in catchments
• Need for tools to develop interventions and solutions
• Integrated approach to catchment solutions to initiate a behavioural change using evidence based engagement
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Walkover Surveys
• Our walkover survey approach has been adopted by the EA and NE
– Phase 1: Preliminary desk top assessment, survey strategy and training
– Phase 2: Baseline ground survey
– Phase 3: Wet weather sampling / aerial
– Phase 4: Data handling /delivery
– Phase 5: Implementation of mitigation
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Diffuse pollution walkover surveys
• Arable
• Livestock
• Conduits / pathways
• Urban / anthropogenic
• Others
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Grading Sources
• Minimise grading subjectivity by using matrix
• Standardised delivery
• Compliance with EA standards
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Remote Sensing and Catchment Management
• Alternatives for larger catchments
• Additional evidence from remote sources
• Potential application for solutions
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Catchment Topography
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3D Visualisations
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Potential Point Source Discharge
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Direction of Ploughing
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Field Drainage
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Erosion
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Erosion Gullies
295m3 DISPLACED110m3 LOST
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FIS
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Coastal diffuse pollution
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Heated effluent pipe leak using thermal
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Approach
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Desk based risk assessment
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• Wesley Brook small catchment study
• Risk based approach to start
• Matched to ground based observation
• Detailed bespoke aerial images
Technical – Case Study
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Case Study
• From risk based to detail
• Building evidence base
• Understand processes
• Propose solutions
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Validation and engagement tools
• Risk mapping
• Detailed data collection
• Validation of suspected RFF
-Wet weather work
-Nutrient / SS analysis
• Catchment Information Pack
• Farm visits
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Case Study – Mimmshall Brook
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Conclusions
• Good understanding of catchment pressures via focused evidence collection
• Evidence needs to be turned into stakeholder engagement
• Solutions often only practicable when supported by appropriate evidence
• Working in partnership with NFU, local farmers, EA and Utilities is crucial to catchment improvement
• Monitor improvements using a selection of tools