Impact assessment – methods and...
Transcript of Impact assessment – methods and...
Landscape Ecology and Geoinformation SciencesDepartment of Geography – Faculty of Mathematics and Natural Sciences Christian-Albrechts-Universität zu Kiel
Integrated Impact Assessment and Land Use OptimisationUsing the Land Use Management Support System
(LUMASS)
Integrated Impact Assessment and Land Use OptimisationUsing the Land Use Management Support System
(LUMASS)
Alexander Herzig
Impact Impact assessmentassessment –– methodsmethods and and toolstoolsImpact Assessment of Land Use Changes – International Conference, April 6th – 9th, 2008
Christian-Albrechts-Universität zu Kiel
Landscape Ecology and Geoinformation SciencesDepartment of Geography – Faculty of Mathematics and Natural Sciences
1.1. IntroductionIntroduction
2.2. SpatialSpatial DecisionDecision Support Systems (SDSS):Support Systems (SDSS):FunctionalFunctional and and structuralstructural requirementsrequirements
3.3. TheThe Land Land UseUse Management Support SystemManagement Support System(LUMASS)(LUMASS)
4.4. Impact Impact assessmentassessment and land and land useuse optimisationoptimisation
5.5. ConclusionsConclusions
ContentContent
Integrated impact assessment and land use optimisation usingthe land use management support system (LUMASS)
Christian-Albrechts-Universität zu Kiel
Landscape Ecology and Geoinformation SciencesDepartment of Geography – Faculty of Mathematics and Natural Sciences
IntroductionIntroduction
Assessment of land use impact on landscape
Evaluation of impact assessment
Optimisation of land use patterns
SustainableSustainable land land useuse planningplanning
Introduction | SDSS – functional and structural requirements | LUMASS | Impact assessment and land use optimisation | Conclusions
Landscape Ecology and Geoinformation SciencesDepartment of Geography – Faculty of Mathematics and Natural Sciences Christian-Albrechts-Universität zu Kiel
1) according to Geoffrion (1983), Densham (1993)
1)
Christian-Albrechts-Universität zu Kiel
Landscape Ecology and Geoinformation SciencesDepartment of Geography – Faculty of Mathematics and Natural Sciences
looseloosecouplingcoupling
partialpartialintegrationintegration
fullfullintegrationintegration
DB: database; DS: decision dupport; GIS: geographical information system; UI: user interface
Levels of Levels of integrationintegration of SDSS of SDSS componentscomponents
Introduction | SDSS – functional and structural requirements | LUMASS | Impact assessment and land use optimisation | Conclusions
Christian-Albrechts-Universität zu Kiel
Landscape Ecology and Geoinformation SciencesDepartment of Geography – Faculty of Mathematics and Natural Sciences
Component Category / Model Results
Relief parameters catchment area; catchment border; slope; aspect
SCS curve number direct run-off; run-off coefficient; cascadeddirect run-off;
Soil erosion by water LS-factor; K-factor; C-factor; soil erosion
Surface matter transport sediment discharge; phosphorusdischarge; discharge points
Soil water budget groundwater recharge; annual soil waterexchange; nitrate leaching
Soil compaction pressure propagation within the soil profil; parcel-related mechanical strength
Soil related parameterseffective rooting depth; kf value; availablefield capacity; field capacity; air capacity; capillary ascent; mechanical stress, …
GIS Data management and visualisation maps, tables, charts, etc.
DS Multiobjective optimisation optimum areal resource allocation
Modelling
Analysis and assessm
entoflandscape
processes
FunctionalFunctional featuresfeatures of LUMASSof LUMASS
Introduction | SDSS – functional and structural requirements | LUMASS | Impact assessment and land use optimisation | Conclusions
Christian-Albrechts-Universität zu Kiel
Landscape Ecology and Geoinformation SciencesDepartment of Geography – Faculty of Mathematics and Natural Sciences
ArcMap.exeArcMap.exe► Geodata management
► Geodata analysis
► Geodata visualisation
LUMASS.exeLUMASS.exe► Configuration of model
parameters
► Logic of process models
► Central user interface –component integration
lp_solve51.dlllp_solve51.dll► Multiobjective
optimisation
Introduction | SDSS – functional and structural requirements | LUMASS | Impact assessment and land use optimisation | Conclusions
LUMASS LUMASS implementationimplementation
Christian-Albrechts-Universität zu Kiel
Landscape Ecology and Geoinformation SciencesDepartment of Geography – Faculty of Mathematics and Natural Sciences
Introduction | SDSS – functional and structural requirements | LUMASS | Impact assessment and land use optimisation | Conclusions
Impact Impact assessmentassessment
InfluenceInfluence of of slopeslope lengthlengthand and tillagetillage ononsoilsoil erosionerosion
Christian-Albrechts-Universität zu Kiel
Landscape Ecology and Geoinformation SciencesDepartment of Geography – Faculty of Mathematics and Natural Sciences
MinimisationMinimisation of of overalloverall soilsoil erosionerosion and and sedimentsediment dischargedischarge
WW – WB – WR 0,072
Winter wheat 0,115
Maize 0,505
Pasture 0,004
Introduction | SDSS – functional and structural requirements | LUMASS | Impact assessment and land use optimisation | Conclusions
Land Land useuse optimisationoptimisation
Land use USLE C factor
Scenario WW-WB-WR Winter wheat Maize Pasture
S1 >= 40 >= 20 >= 6 >= 9
S2 >= 35 >= 15 >= 6 >= 20
WW: Winter wheat | WB: Winter barley | WR: Winter rape
Land use scenarios - area shares in percent of total
?
Maize
Maize
Christian-Albrechts-Universität zu Kiel
Landscape Ecology and Geoinformation SciencesDepartment of Geography – Faculty of Mathematics and Natural Sciences
Introduction | SDSS – functional and structural requirements | LUMASS | Impact assessment and land use optimisation | Conclusions
ConclusionsConclusions
SDSS = GIS + models + decision support
Full integration approach is required forusability in daily land use planning
LUMASS is capable of - assessing land use impact on landscapes- optimising land use patterns
LUMASS contributes to sustainable land usemanagement
Landscape Ecology and Geoinformation SciencesDepartment of Geography – Faculty of Mathematics and Natural Sciences Christian-Albrechts-Universität zu Kiel
The EndThe End