Vlaams Kenniscentrum Water - SedNet
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Vlaams Kenniscentrum Water System thinking: Drawing causal loops for sediment
Transcript of Vlaams Kenniscentrum Water - SedNet
Vlaams Kenniscentrum Water
System thinking: Drawing causal loops for
sediment
System thinking & System analysis
System thinking & System analysis – Lincoln memorial
$cleaning
birdpoop
birds
insects
lights
System thinking & System analysis - principle
A good understanding of the root causes of our problems provides simpler, more effective and less
expensive solutions
System thinking & System analysis
blue-greeninfrastructure
drought
compensate damage
buffer basin
blue-green infrastructure
historical – evacuation water
System Thinking & System analysis
risk offlooding
dredgingactivity
erosionorganicmaterial
in soil
System thinking & system analysis
System thinking & System analysis - workshops
drought
flowrate
competitionsurface water
waterre-use
saltintrusion
concentr.pollution
waste-water
impacteco-
system
requiredvolume for
shipping
depthships
numberships
infiltrationcapacity
soilsealing
erosion
organicmatterin soil
heatingwith same
energyinput
waterdemand
for cooling
°C rise
DroughtCausal loop diagram
SedimentCausal loop diagram
risk ofnon-
navigability
risk offlooding
dredgingactivity
flowrate
transportcapacitysediment
sedimentation
gauge/depthships
Soil sealing
SedimentCausal loop diagram
transportcapacity
sediment
sediment in water column
SedimentCausal loop diagram
risk ofnon-
navigability
risk offlooding
dredgingactivity
flowrate
transportcapacitysediment
sedimentation dredgingcosts
inflow of sediment
gauge/depthships
Soil sealing
location sedimentation/
erosion
re-use
pollution
farming
sewerage
particle size
slope
erosion in river
resistance
overflow
SedimentCausal loop diagram
risk ofnon-
navigability
risk offlooding
Spread of pollution
Cleaning costs
delay in cleanup
transport via rail/
road
bridge height
Fuel consumption
delayin benefits
SludgeCausal loop diagram
storageactivity
cleaningactivity
amountcontaminated
sludge
dredgingcosts
storagecosts
cleaningcosts
budget forcleaning
costsprimary
resources
means of valorisation
techn. & environQualitySPECs
competitionother
reused materials
Availablespace
Permitting
• System thinking & system analysis
– Improves the perception of the reality
– Improves the questions that should be answered
– Increases the playing field in finding solutions
• 20 the may
– Port of Antwerp – European workshop
Conclusions
Conclusion
