Southeast strategic regional coastal monitoring programme Andrew Bradbury Southeast strategic regional coastal monitoring programme

Seaford Bournemouth Pevensey Hythe Bulverhythe Eastbourne Weymouth Hurst Spit Herne Bay

Southeast strategic regional coastal monitoring programme Complex risk scenarios High quality data required for beach managementHigh quality data required for beach management –Strategic planning –Operational management –Planning new schemes –Performance evaluation

Southeast strategic regional coastal monitoring programme Particular problem areas Accuracy of nearshore wave climate predictionAccuracy of nearshore wave climate prediction Sediment transport modelling calibrationSediment transport modelling calibration Inadequate field data to provide calibration or validation of modelsInadequate field data to provide calibration or validation of models Performance of beach control structuresPerformance of beach control structures Impacts of unsorted recharge materials

Southeast strategic regional coastal monitoring programme Historical approach Existing data generally localised at “beach management” sites.Existing data generally localised at “beach management” sites. Inconsistent approach regionallyInconsistent approach regionally No strategic programmes covering coastal process cellsNo strategic programmes covering coastal process cells Undefended stretches of shoreline infrequently monitored, despite potential for local interaction with managed sites.Undefended stretches of shoreline infrequently monitored, despite potential for local interaction with managed sites.

Southeast strategic regional coastal monitoring programme Vision Promote, inform and integrate the operational monitoring requirements of: regional overview; shoreline management plans; coastal strategies, and individual schemes, between the limits of the boundaries of regional cells 4 and 5Promote, inform and integrate the operational monitoring requirements of: regional overview; shoreline management plans; coastal strategies, and individual schemes, between the limits of the boundaries of regional cells 4 and 5

Southeast strategic regional coastal monitoring programme Aims Promote a standard, repeatable and cost effective method of monitoring of the coastal environment.Promote a standard, repeatable and cost effective method of monitoring of the coastal environment.

Southeast strategic regional coastal monitoring programme Programme development DEFRA funded preliminary studiesDEFRA funded preliminary studies Interviews with all potential stakeholdersInterviews with all potential stakeholders –Details current procedures –Risk based approach to programme design –Discussion of management options Data drawn from SMPs and CDSsData drawn from SMPs and CDSs –Pilot trials –Analysis of legacy programmes Formal agreement from each partner (31)Formal agreement from each partner (31) Project board establishedProject board established DEFRA grant aided 5 year programme £8 millionDEFRA grant aided 5 year programme £8 million Establishment of Channel Coastal ObservatoryEstablishment of Channel Coastal Observatory

Southeast strategic regional coastal monitoring programme Programme structure Range of levels of monitoringRange of levels of monitoring –High level on areas with beach management plans that require intervention eg recycle, recharge –Comprehensive programme in actively managed high risk areas –Lower levels in do nothing areas

Southeast strategic regional coastal monitoring programme Programme management framework –Coastal Group basis –3 coastal group coordinators (LA) –Aerial survey programme coordinator (EA) –Regional data centre and dissemination coordinator (Channel Coastal Observatory)

Southeast strategic regional coastal monitoring programme Programme design Detailed programme prepared for each management unitDetailed programme prepared for each management unit 5-year programme designed5-year programme designed Recommendations for combination ofRecommendations for combination of –Aerial –LIDAR –Beach profiles and spot heights –Hydrographic surveys –Tide and wave measurement

Southeast strategic regional coastal monitoring programme Control surveys GPS Control Network Second order (E2) networkSecond order (E2) network –Stations 1-5km –Static / fast static control from primary network Local networkLocal network –Stations 100m-1km –RTK or traditional methods First order (E1) network region wideFirst order (E1) network region wide –Stations 30-50km apart Region wide networkRegion wide network Consistent application of network transformations to all data setsConsistent application of network transformations to all data sets

Southeast strategic regional coastal monitoring programme Baseline surveysBaseline surveys –Accessible beaches land survey spot height and ground model plus regular profilesland survey spot height and ground model plus regular profiles –Inaccessible beaches, cliffs, tidal inlets Combination LIDAR and aerial surveyCombination LIDAR and aerial survey –Baseline orthophoto survey –Detailed hydrographic survey across whole region

Southeast strategic regional coastal monitoring programme Regular surveys TopographicTopographic –Land survey (beaches) profiles frequency varies 1-2 times per yearfrequency varies 1-2 times per year additional provision for post storm surveysadditional provision for post storm surveys spacing varies from 100m-500mspacing varies from 100m-500m –Spot height and ground models in BMP areas (annual) - additional to profiles

Southeast strategic regional coastal monitoring programme EA Annual Beach Monitoring Survey Improved and extended programmeImproved and extended programme –Regional extension –Cliff plan shape –Marsh plan shape –Orthophotos

Southeast strategic regional coastal monitoring programme Cliffs and inlets LIDAR and aerial photosLIDAR and aerial photos Frequency varies – annual to 5 yearsFrequency varies – annual to 5 years

Southeast strategic regional coastal monitoring programme Hydrographic surveys –Frequency varies biannual to 5 years e.g. Inlets typically 5 yearsInlets typically 5 years Inlet mouth annualInlet mouth annual Drying toe bed platform beach typically 5 yearsDrying toe bed platform beach typically 5 years BMP site with active submerged toe biannualBMP site with active submerged toe biannual –All surveys to be Line spacing 50mLine spacing 50m Ground modelled profilesGround modelled profiles Minimum line length 500m or to 5mCDMinimum line length 500m or to 5mCD

Southeast strategic regional coastal monitoring programme Hydrodynamic surveys Existing tide gauges to be quality checked, calibrated and upgraded if necessaryExisting tide gauges to be quality checked, calibrated and upgraded if necessary Selected new sites to be addedSelected new sites to be added Existing wave stations to be maintainedExisting wave stations to be maintained Selected new sites to be installed and maintained on 5 yr rolling programmeSelected new sites to be installed and maintained on 5 yr rolling programme Time series data to be purchased for Met-office UK model at selected sitesTime series data to be purchased for Met-office UK model at selected sites Database to include shallow water prediction sites using time seriesDatabase to include shallow water prediction sites using time series

Southeast strategic regional coastal monitoring programme Data management Consistent approach to data managementConsistent approach to data management Regional data centre to be establishedRegional data centre to be established –Local data management SANDS database developmentSANDS database development GIS developmentGIS development Meta data standardMeta data standard Web site - data freely availableWeb site - data freely available Image Web Server – aerial photos and other raster imagesImage Web Server – aerial photos and other raster images Real time and archive time series web server developmentReal time and archive time series web server development

Southeast strategic regional coastal monitoring programme

Analysis of coastal monitoring data Two levels of basic analysisTwo levels of basic analysis –to inform SMP and CDS –to inform operational analysis for BMP Annual reporting and programme reviewAnnual reporting and programme review

Southeast strategic regional coastal monitoring programme Physical model design and validationPhysical model design and validation Recharge designRecharge design Links with strategic researchLinks with strategic research Post project appraisalPost project appraisal Event analysisEvent analysis Operational managementOperational management

Southeast strategic regional coastal monitoring programme

Conclusions Regional monitoring programme designed for SE EnglandRegional monitoring programme designed for SE England Programme comprises 31 LA and EA partnersProgramme comprises 31 LA and EA partners Funding DEFRA operational budgetFunding DEFRA operational budget Data to be made freely available – primarily web deliveryData to be made freely available – primarily web delivery Outline programme designedOutline programme designed Pilot baseline surveys completedPilot baseline surveys completed Analysis programme developed and tested on legacy regional data setsAnalysis programme developed and tested on legacy regional data sets Benefit cost analyses indicates significant financial returns expectedBenefit cost analyses indicates significant financial returns expected