Page 38 - Technical Document: Modelling Urban Carrying Capacity and Measuring Quality of Life using System Dynamics
P. 38
_opening_of_new_businesses*Impact_of_water_availability_on_opening_of_new_businesses*I
mpact_of_workforce_availbility_on_opening_of_new_businesses
UNITS: unit/yr
: c Available_land_per_capita = Usable_Open_Land/Population
UNITS: hectares/person
: c Ratio_of_available_against_required_land =
Available_land_per_capita/Land_required_per_capita
UNITS: Unitless
: c Impact_of_land_availability_on_in_migration =
GRAPH(Ratio_of_available_against_required_land)
(0, 0), (0.1, 0.0819112627986), (0.2, 0.129692832765), (0.3, 0.18771331058), (0.4, 0.300341296928),
(0.5, 0.453924914676), (0.6, 0.617747440273), (0.7, 0.795221843003), (0.8, 0.945392491468), (0.9, 1),
(1, 1)
UNITS: Unitless
: c Impact_of_water_availability_on__in_migration =
GRAPH(Per_capita_water_available/Per_capita_water_required)
(0, 0), (0.1, 0.238907849829), (0.2, 0.40614334471), (0.3, 0.587030716724), (0.4, 0.767918088737),
(0.5, 0.873720136519), (0.6, 0.935153583618), (0.7, 0.972696245734), (0.8, 1), (0.9, 1), (1, 1)
UNITS: Unitless
: c Impact_of_job_availability_on_in_migration = GRAPH(Labour_force_to_jobs_ratio)
(0.1, 3), (0.29, 2.5), (0.48, 2), (0.67, 1.5), (0.86, 1), (1.05, 1), (1.24, 0.8), (1.43, 0.5), (1.62, 0.2), (1.81,
0.1), (2, 0.1)
UNITS: Unitless
: c Pollution_density = If time>= 2011 then (Environmental_Pollution/61096920876) else
Environmental_Pollution/(Environmental_Pollution)
UNITS: Unitless
: c Impact_of_environmental_pollution_on_in_migration = GRAPH(Pollution_density)
(1, 1), (1.66666666667, 0.808873720137), (2.33333333333, 0.58361774744), (3, 0.245714285714),
(3.66666666667, 0.128571428571), (4.33333333333, 0.1), (5, 0.1)
UNITS: Unitless
: f In_migration =
Population*Normal_in_migration_rate*Impact_of_water_availability_on__in_migration*Impact
_of_job_availability_on_in_migration*Impact_of_land_availability_on_in_migration*Impact_of
_environmental_pollution_on_in_migration
UNITS: person/yr
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mpact_of_workforce_availbility_on_opening_of_new_businesses
UNITS: unit/yr
: c Available_land_per_capita = Usable_Open_Land/Population
UNITS: hectares/person
: c Ratio_of_available_against_required_land =
Available_land_per_capita/Land_required_per_capita
UNITS: Unitless
: c Impact_of_land_availability_on_in_migration =
GRAPH(Ratio_of_available_against_required_land)
(0, 0), (0.1, 0.0819112627986), (0.2, 0.129692832765), (0.3, 0.18771331058), (0.4, 0.300341296928),
(0.5, 0.453924914676), (0.6, 0.617747440273), (0.7, 0.795221843003), (0.8, 0.945392491468), (0.9, 1),
(1, 1)
UNITS: Unitless
: c Impact_of_water_availability_on__in_migration =
GRAPH(Per_capita_water_available/Per_capita_water_required)
(0, 0), (0.1, 0.238907849829), (0.2, 0.40614334471), (0.3, 0.587030716724), (0.4, 0.767918088737),
(0.5, 0.873720136519), (0.6, 0.935153583618), (0.7, 0.972696245734), (0.8, 1), (0.9, 1), (1, 1)
UNITS: Unitless
: c Impact_of_job_availability_on_in_migration = GRAPH(Labour_force_to_jobs_ratio)
(0.1, 3), (0.29, 2.5), (0.48, 2), (0.67, 1.5), (0.86, 1), (1.05, 1), (1.24, 0.8), (1.43, 0.5), (1.62, 0.2), (1.81,
0.1), (2, 0.1)
UNITS: Unitless
: c Pollution_density = If time>= 2011 then (Environmental_Pollution/61096920876) else
Environmental_Pollution/(Environmental_Pollution)
UNITS: Unitless
: c Impact_of_environmental_pollution_on_in_migration = GRAPH(Pollution_density)
(1, 1), (1.66666666667, 0.808873720137), (2.33333333333, 0.58361774744), (3, 0.245714285714),
(3.66666666667, 0.128571428571), (4.33333333333, 0.1), (5, 0.1)
UNITS: Unitless
: f In_migration =
Population*Normal_in_migration_rate*Impact_of_water_availability_on__in_migration*Impact
_of_job_availability_on_in_migration*Impact_of_land_availability_on_in_migration*Impact_of
_environmental_pollution_on_in_migration
UNITS: person/yr
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