Data bases
Data used to run the model
Type
Database
Use
Spatial distribution of population by income group and housing type
National censuses (2001 & 2011)
Target population to be reached by algorithm + variable used in calibration
Land use maps
CoCT’s cadastre (Single Residential 2 - Incremental Housing), and 2011 Census (Enumerator Area) for RDP and informal
Land availability for initial state equilibrium + housing production function calibration
Land use maps
Housing Pipeline, Integrated Human Settlement Framework (2013) for RDP scenario, and Informal settlement risks
Land availability for future simulations
Transport times for each transport mode and job location
CoCT’s EMME/2 model (2013) for times (and distances)
Variable used to compute income net of commuting costs
Global flood maps
Fathom for fluvial (defended and undefended) and pluvial flood risks
Maximum flood depth + flood-prone areas for flood damages
Global flood maps
Deltares for coastal flood risks (with and without sea-level rise)
Maximum flood depth + flood-prone areas for flood damages
Flood depth-damage estimates
Englhardt et al. (2019) for building structure estimates
Damage function used to compute flooded capital depreciation rate
Flood depth-damage estimates
de Villiers et al. (2007) for building content estimates
Damage function used to compute flooded capital depreciation rate
Long term interest rate for mortgage or equivalent
World Bank, World Development Indicator database (2016)
Parameter used when solving equilibrium
Cost of private transport
Energy South Africa (2016) for fuel prices
Variable used to compute income net of commuting costs
Cost of private transport
Merven et al. (2012) for vehicle energy efficiency
Variable used to compute income net of commuting costs
Public transport price
Roux (2013)
Variable used to compute income net of commuting costs
Data used for calibration
Type
Database
Use
Land use maps
CoCT’s Open Data portal; Environment Department, protected area layer (SAPAD Q4); OpenStreetMap; and USGS Digital Elevation Model
Exogenous amenity covariates for amenity index calibration
Data on main employment centres
CoCT’s EMME/2 model (2013) for number of jobs per income group
Variable used for income calibration
Rents/real estate prices
CoCT’s housing sales registry
Variable used for housing production function calibration
Origin-Destination statistics about inhabitants’ residence and workplace
CoCT’s EMME/2 model (2013)
Target commuter distribution in income calibration
Dwelling sizes
CoCT
Variable used in housing production function calibration