WLW Day 4: Collaboration Between Spatial Planning with Water Resources Management

8/3/2019 WLW Day 4: Collaboration Between Spatial Planning with Water Resources Management

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Collaboration Between Spatial Planning with

M I N I S T R Y O F P U B L I C W O R K S

D I R E C T O R AT E G E N E R A L O F S PAT I A L P L A N N I N G



Institutional

Infrastructure

Law &Regulation

IWRM Population &Economics

EnviromentalSystem

Socio-economics

Demands

Spatial Planning



Issues in 6ci’s RBTIssues in 6ci’s RBT

Land use chan e in conservation area

Loss of irrigated paddy area;’

Harmonized spatial plan with water management



The study will be based on the Java Spatial Model developed The study will be based on the Java Spatial Model developed

under the “Space and Water” project under the “Space and Water” project ‐‐ a spatial planning a spatial planning initiative covering all of Java;initiative covering all of Java;

The model is used to provide internally consistent future The model is used to provide internally consistent future projections of: projections of:

•• the spatial distribution at village level of the population and employment; the spatial distribution at village level of the population and employment; •• the urban area growth needed to accommodate human activities; and the urban area growth needed to accommodate human activities; and •• the landthe land ‐‐use changes caused by the urban area growth, use changes caused by the urban area growth,



urban/rural landurban/rural land ‐‐use with important consequences for total use with important consequences for total water demand: water demand:

SocioSocio ‐‐economic projection of population/employment at district economic projection of population/employment at district ((kabupatenkabupaten) level based on economic growth scenarios. ) level based on economic growth scenarios.

Spatial allocation of population and landSpatial allocation of population and land ‐‐use for Java at village (use for Java at village (desadesa) ) eve , eve ,

Post processing module to calculate water indicators, such as water Post processing module to calculate water indicators, such as water demands, and pollutant emissions at water district level within the basin demands, and pollutant emissions at water district level within the basin

, , . , , .



6ci’s Study Area



JSM Model Basic1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12

-

B2-1 Data collection

B2 Task planning

Inception Strategic management plan Basin water resources management plan

2010 2011

.B2-1.2a Total 2008 population by desaB2-1.2b Total 2000 population

B2-1.2c.1 GDPB2-1.2c.2 Employment data

B2-1.2d MigrationB2-1.2e.1 Rice productionB2-1.2e.2 Rice consumptionB2-1.2e.3 Price of rice

B2-1.3a National/island spatial plansB2-1.3b Provincial level s patial plansB2-1.3c JaBoDeTaBekPunJur & Bandun s atial lansB2-1.3d Kabupaten (RTRW, if available RDTR)B2-1.3e Balai besar water sector planB2-1.3f Infrastructure & other sectors plans

B2-1.4 Remote sensing images 2010B2-1.5a Census 2010- . opu a on pro ec on - - )

B2-1.6a Digital elevation model (DEM),B2-1.6b Map of soil types,B2-1.6c Map of vulnerabili ty to erosionB2-1.6d Yearly average rainfall map,B2-1.6e Rainfall/runoff Katulampa and ups tream.

B2-1.6f Rainfall erodibility map for JavaB2-1.6g Map of flood prone areasB2-1.6h Map of flood prone areas Jakarta FHM projectB2-1.6i Map of situ situ’s from S3I projectB2-1.6j Catchment areas of drinking water intakes

- .B2-1.6l Catchment area of Katulampa

B2-1.7a Biodiversity

B2-1.7b Human emiss ionsB2-1.7c Industrial emis sionsB2-1.7d Environmental zoning



m m

Populationgrowth

Populationgrowth

Increasing drinking water demands

s

t e

s

t e

Household size reduction

Household size reduction Land useChange:

urbanisationIncreasing waste load

emissions r

s

r

s

o s ze growo s ze growIncreased flooding

a

t e

a

t e

Decrease in sustainable Economic

growthEconomic

growth

r a c t i o n

W

W

e t c . e t c .

GW yield

Increased subsidence

Economic structure change

Economic structure change time

L a n d u s e

f

Reduced food supply

Loss of biodiversity

E c o l o g y

E c o l o g y



Integrated Planning for Space and Water

Water Mana ementWater Mana ement River Basin Water LawWater LawPlanning o. 7/2005o. 7/2005

Input from spatial

Strategic Land Use

and

planning to WRM plan

ater one Projection

Spatial ManagementSpatial ManagementSpatial

Planning

SpatialManagement

Law

SpatialManagement

LawInput from

water zoning to

Document ooConflict resolution; valuation

of alternative land-use

spatial planning



Structuring and quantifying the inter ‐relationships

Water resources

Resource assessment; interventions/measures

Effects/impacts fromland-use changes:runoff, Δ Q, emissions,

erosion, flooding, …

Strategic zoning:conservation of water functions

a er demands

JSMSocio-economic

developments

(various types)

Spatial planningPlans from othersectors: forestry,

coordination; conflict

resolution

agr cu ure, ur andevelopment, …



Integration of strategic water zoning into spatial planning

erosion retention

2

emissions

ΔQ = 0

River basin

Province 1

Kabupaten 1

24

ntegrat on ostrategic water zoning in overall s atial zonin



JSM Model Basic

Spatial PlanStart population,

employment, GDP

RegionalSocio ‐economic

Drivers:overall Regional results

modelpopu a on. Growth etc

Village land allocation model

Start land use data

Village results

0 1 0 - 2 0 5 0

Impacts m e

l o o p 2

Postprocessor impact indicators

Input parameters

Watersheds

Water districts,etc

T i



• POL A SDA • RENCANA



Case Scenario Example

Trend Measures / notes

Improved governance leads to better enforcement of conservation

p ans an - e c ency o - .

7% economy growth

Implementation of agricultural law 41/2009 on Food security

Agriculture Provides extra protection for irrigated paddy area and other crop

areas.

7% economic rowth

Water ZoningProtection according to water zoning principles: standstill of urban

development in area with slope >18%;

7% economic growth

Sustainable Growth Combination of the good governance, agriculture and water zoning;

7% economic growth



Scenario Result : Urban Area Growth

180%

190%

160%

170%

140%

150%

120%

130% CurrentTrend

GoodGovernance

Agriculture

100%

110% WaterZoningSustainableGrowth



Sustainable Growth Scenario : Urban Area

Jabodetabekpunjur





Documents

WLW Day 4: Collaboration Between Spatial Planning with Water Resources Management