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Strengthening Flood Risk
Information Management
Bambang Surya Putra
Head of Informatics and Controlling Division
Disaster Management Agency, Jakarta, Indonesia
Presented by Iwan Gunawan, Sr. DRM Specialist, the World Bank - Jakarta
Case Study of “Last Mile” Investment : Jakarta, Indonesia
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Outline
• Jakarta flood risk and impacts to the communities
• Flood risk information management and system
• What the “Last-mile” means to Jakarta
• Challenges and Opportunities
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Jakarta & Flood
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Jakarta Overview
662 km2 wide
Passed by
13 rivers 40 % land below sea level
Extreme rain fall
360 mm/day
Land Subsidence
0,5-17 cm/y Density
16.000/km2
Low Awareness (waste mgmt,
informal settlement)
10% Green Open Space
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Flood Comparison 2013 vs 2014
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Why it becomes problem?
Kelapa Gading Jakarta
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Flood Impacts
• ~$500 million in 2007 following 2 days of torrential rains
• ~$600 million in 2013 following 3 days of rains and failed e
mbankments
The city and its residents need to adapt to more frequent and severe flooding
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The System
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Detailed Mapping of Administrative Boundary to facilitate accurate inundation report
Hierarchy of Administrative unit
(~response mechanism)
Mapping Series of Events
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Disaster Information Management System ( DIMS )
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Emergency Operation Centre
• Controlled by BPBD
• Operation : 24/7
• Integrated with Related
Agency : Fire Dept, Water
Management, Social,
Health, Sanitation,
Transportation, Industry
and Commerce, Safety and
Security
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DIMS
Existing
Architecture
Disaster Management System
in Jakarta
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InaSafe
JakSafe
RIM
PetaJakarta
InaWare
DIBI
GIS.BPBD
bpbd.jakarta.go.id JSC
Smart City
Jakarta Open Data
DWS
SMS
Broadcast
JAFIP GeoData
Collect
Tweet @PetaJKT
pasangmata
SocMed
& Any
RASOR
Regional Disaster Data Global Disaster Data
JFEWS
Deltares
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System Collaboration
for Better Result
RISK
InaSafe
JakSafe
DIMS
RIM
PetaJakarta
JFEWS
RASOR
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Planning
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Flood 2015
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Prediction based on Hystorical Flood Events
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Prediksi Curah Hujan Dasarian di Wilayah Jakarta dan Bogor
Dasarian 3, Februari 2016
Jakarta: local rain 280-400
mm/10-day
Inundation Risk VERY HIGH
Bogor: Upstream Flow Alert 1
mm Pkaret Gate : Alert 1
Manggarai Gate : Alert 1
Upper Sunter Gate Alert 2
0.
100.
200.
300.
400.
2015 2016
Jakarta
0.
75.
150.
225.
300.
375.
2015 2016
Bogor
Associating Rainfall-Runoff to Impacts ..but dynamic could change with rapid land use changes and uncoordinated measures…
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Contingency Planning Process
18
-People Affected
-Infrastructures / Facilities Impacted
-Resources have to prepare
-Logistic Needed
Data Calculation
Commitment w/ Stakeholder
Contingency Planning
Powered by
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Monitoring
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Extreme Rainfall in Jakarta Jan-Feb 2015
RainFall Over 340mm / day . Drainage Capacity only 60mm/day
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Focus on Most Flood Prone Area
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Looking at Greater Jakarta River Basin
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Hourly Water Level Information
• Manually informed by Radio Communication from Monitoring Post • Traditional but most reliable and proven
• Now combine digital sensor (AWLR), CCTV and manual report
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Integrate
Different
Sources
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Dissemination &
Warning
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Public Dissemination & Use of Information
http://bpbd.jakarta.go.id/flood
http://gis.bpbd.jakarta.go.id/
Produced Hourly,
but published 6-hourly
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SMS Broadcast for FEWS
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BPBD
-Specific Area -By BTS Area -500m from river -All operator
SMS Broadcast
System
9
ATSI
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Flood Warning Evacuate Now
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Emergency broadcast, Voice & Sirene
Early Warning Alert
Large character
display panel Flood Warning Evacuate Now
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Social Media
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Peta Jakarta (Jakarta Map)
Life Censors
Crowd Sourcing Data
(using twitter, Qlue,
pasangmata.com)
Embed in BPBD Portal
Flood Map from Citizen
Risk Evaluation Matrix
Validation from Disaster
Agency (BPBD)
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What “Last Mile” means
for Jakarta
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Closing the Loop of Gov’t-Citizen Engagement Jakarta’s Flood Management System can be linked to Citizen’s Reports from QLUE and SmartCity
Flood Mapping Free Apps for Citizens’ report
Report used by City Gov’t
to dispatch crew
Maps of Citizens’ Report w/ Status
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Functional Review of Flood Mitigation Measures The data and tools are used to assess existing gaps in flood mitigation in Ciliwung-Gn Sahari
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October 26, 2015 – Field Inspection – 12 gaps identified November 3, 2015 – Rapid Assessment Completed
December 21, 2015 – Recommendations Presented
Recommendation: anticipate, monitor, act early
BPBD
Dinas Tata Air
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Yet measures are not always “risk
informed”
23 April 2016
13 May 2016
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Uninformed Decision Caused Worse Disaster Designated Shelter in Neighboring Municipality Severely Flooded
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Challenges Update of sectoral & thematic data is slow and complex Higher quality information (map resolution, weather prediction,
flood model) is “expensive” Real-time accurate data (duration and intensity of events) is
insufficient Encouraging public to actively contribute information is a long
process Predictive Models for better Scenario constrained by updated
hydraulic data Opportunities Use of satellite, weather radar and sensor data for timely
validation Update field geospatial information using citizens’ reports and
collaborative mapping and linked to actions Build adaptive culture and system for citizens’ mobility during
flood season
Challenges and Opportunities
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THANK YOU
Bambang Surya Putra
Head of Informatics and Controlling Division
Disaster Management Agency, Jakarta, Indonesia
@bamsBPBD
http: bpbd.jakarta.go.id
+62-112