role of geospatial data in disaster preparedness and response · role of geospatial data in...
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Role of Geospatial Data in
Disaster Preparedness and Response
Kavinda Gunasekara, PhD
Geoinformatics Center
www.geoinfo.ait.ac.th
www.ait.ac.th
Expert meeting on Statistics on Gender and the Environment, 2-4 September 2019
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Outline
● Introduction to AIT
● Activities in disaster preparedness● DRA – National scale study in Tajikistan
● DRA – State level study in India
● Activities in disaster response● Sentinel Asia (Regional framework)
● International Disaster Charter
● Recent developments: platform/solutions
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Establish in 1959 as a Post Graduate School
Catering for higher education in Asia
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Schools of AIT
● School of Engineering & Technology www.set.ait.ac.th
● School of Environment, Resources & Development www.serd.ait.ac.th
● School of Management www.som.ait.ac.th
● AIT Offers
○ Masters degrees: MBA, MEng, MSc
○ Executive Master Degree Programs
○ Doctoral Degrees: DEng, DTechSc, PhD
○ Diploma and Certificate Programs
○ An intensive English language and academic Bridging Program
○ Non-degree continuing education courses for practicing professionals
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Outreach Centers of AIT
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Geoinformatics Center Established in 1999
Our Expertise
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Activities in Disaster Preparedness ● DRA – National scale study in Tajikistan● DRA – State level study in India
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| Multi-hazard Risk Assessment at District Level in Tajikistan |
Multi-Hazard Risk Assessment at National Scale for Tajikistan
Kavinda Gunasekara (AIT)
Cees van Westen (ITC)
Syams Nashrullah, Lakhmal, Rajita Athukorala (AIT-GIC), Bastian van den Bout, VasilyKokorev, Janneke Ettema, Haydar Hussin (ITC), Tamo Tamarashvili (Georgia), Erkin
Huseinov, Sulaymon Shobek (Tajikistan)National experts: Anatoly Ischuk, Nicolai Ishuk, Mirzo Saidov (Tajikistan)
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| Multi-hazard Risk Assessment at District Level in Tajikistan |
Objectives and partners• AIT promotes
technological change and sustainable development through higher education, research and outreach.
• Capacity building and institutional development in professional and academic organizations as well as individuals specifically in countries that are economically and/or technologically less developed.
• To assess the vulnerability of communities and infrastructure to earthquake, landslides, floods, mudflows, snow avalanches, windstorms and drought),
• To determine their degree of exposure to future hazardous events and
• To develop risk profiles as a basis for development planning processes for all districts of Tajikistan.
1) Disaster Risk Assessment Methodology, 2) Capacity Building of Local Experts, and3) Disaster Risk Information System.
www.itc.nl
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| Multi-hazard Risk Assessment at District Level in Tajikistan |
Proposed method for national scale risk assessment in Tajikistan
If intensity class maps can be generated
Risk = Hazard * Vulnerability * Amount
Probability of
event happeningConsequences or
losses*
=
Risk = Expected losses in a given time period
Quantification of
Exposed Elements
at risk
Degree of loss to
Elements at riskPer frequency
class* *=
Hazard type
Number of events
Average size of event
Total area affected
Hazard classes
Hazard Types Physical Vulnerability Elements-at-risk
Build
ings
Popula
tion
Roads
Fore
st
Cro
ps
Buildings
Population
Exposure:
Spatial overlay of
hazard and
elements at risk
Mud flows
Earthquake
Drought
Windstorms
Build
ings
Popula
tion
Roads
Fore
st
Cro
ps
Exposed Elements-at-riskHazard (matrix of frequency and
intensity classes)
Risk Profile per
administrative
unit:
Per village
Per municipality
Per District
Mud flows
Earthquake
Drought
Windstorms
Mud flows
Earthquake
Drought
Windstorms
Frequency
Hig
h Mo
de
rate
Lo
w
Low
Moderate
HighInte
ns
ity c
las
se
s
Per village
Roads
Forest
Crops
Per
Municipality
(Jamoat)
Socio-
economic
indicators
Per village
Ho
lis
tic
vu
lne
rab
ilit
y a
ss
es
sm
en
t
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| Multi-hazard Risk Assessment at District Level in Tajikistan |
Data problems: Incorrect data • Municipal boundaries
do not link with settlements
• Names of settlements have changed.
• Socio-economic data on official portal does not match with settlements.
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| Multi-hazard Risk Assessment at District Level in Tajikistan |
District level Local level200 m pixel level. Only intensity classes 30 m pixel level. Cannot be done for entire country
within this project, but training can be given
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| Multi-hazard Risk Assessment at District Level in Tajikistan |
Drought hazard• Hazard Assessment
• Calculate exposure of drought• Calculate frequency,
intensity and spatial extent
• Standardized Precipitation Index• Monthly rainfall from NSID &
ERA-5 Reanalysis. Sughd: 36 station , 30 years
• Drought intensity: the probability of precipitation over a specific period
• Drought frequency: time scales• Spatial extent: interpolation
• Problem: Depending on stations. Drought is relative
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| Multi-hazard Risk Assessment at District Level in Tajikistan |
Exposure analysis
Buildings Population
Roads
Crops
Forests
Districts Jamoats
Exposure Analysis
Hazard Maps Elements-at-risk maps
High Moderate Low
Landslide
Mudflow
Avalanche
Earthquake
Drought
Sandstorm
Calculate exposure per admin-unit
Calculate for each hazard type and hazard class the number of exposed elements-at-risk
Landslides
Avalanches
Mudflow /Flashflood
Earthquake
Drought Sand/windstorm
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| Multi-hazard Risk Assessment at District Level in Tajikistan |
Number of Grids: ~100,000Grid size: 1.5 km2
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| Multi-hazard Risk Assessment at District Level in Tajikistan |
Our Crowdsourcing Mapping Platform
- Web based
- Simple ways to map
- Faster
- Identification of user
- Training before the mapping
- Mappers: AIT students
- Quality control
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| Multi-hazard Risk Assessment at District Level in Tajikistan |
Settlement area: whole country
(a)
(a)
(b)
(b)
(c)
(c)
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| Multi-hazard Risk Assessment at District Level in Tajikistan |
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| Multi-hazard Risk Assessment at District Level in Tajikistan |
Mapping elements-at-risk using Ricoh Theta S and Mapillary
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| Multi-hazard Risk Assessment at District Level in Tajikistan |
2nd Stop (short)Shakhristan
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| Multi-hazard Risk Assessment at District Level in Tajikistan |
View from the ground
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| Multi-hazard Risk Assessment at District Level in Tajikistan |
At Istaravshancity
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| Multi-hazard Risk Assessment at District Level in Tajikistan |
Freely available Land cover data
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| Multi-hazard Risk Assessment at District Level in Tajikistan |
Before After
Hybrid Agriculture dataset produce using OSM
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| Multi-hazard Risk Assessment at District Level in Tajikistan |
Ongoing work: Example of exposure profile
• At this moment only exposure
• The physical vulnerability can only be indicative:
• Intensity is only indicative
• Elements-at-risk cannot be characterized in detail
• Interaction are also difficult to incorporate at this stage.
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Project details
http://www.uttarakhand-dra.in/ Facebook: https://www.facebook.com/UttarakhandDRA/
May 2016 - September 2018
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Final reports
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Population Exposure
Building Exposure
Towards Risk
Assessment
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Activities in Disaster Response● Sentinel Asia (Regional framework)● International Disaster Charter
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Sentinel Asia Emergency Observation Flow
Sentinel AsiaStep 2 System
ADRC MembersJPT Members ADRC
JAXAISROGISTDAKARINARL
Emergency Observation Request
Disaster Information
Disaster Management Agencies in Asia
Feedback
JAXAAsia Branch(Bangkok)
Disaster Occurrence
Support
Support
Emergency Observation Request
AIT (Principle DAN), ADRC, CRISP, CAIAGLAPAN, SD/Sri Lanka, MONRE, ICIMOD, Sri Lanka MoDM, CEA,NCRST, BPPT, MO, etc.
Data ProviderNode (DPN)
Data Analysis Node (DAN)
Own Data
Requesting Organization (RO) IDC
Analyzed Products
Emergency Observation Request
http://sentinel.tksc.jaxa.jp/
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Sentinel Asia (SA) Activations in 2019
No. Obs. ID Occurred Activation Country Disaster
type
# VAP(s)
1 ERJPJX000088 17 Jan 2019 17 Jan 2019 Japan Earthquake -
2 ERIDLP000045 16 Mar 2019 18 Mar 2019 Indonesia Flood 2
3 ERNPDH000004 31 Mar 2019 04 Apr 2019 Nepal Typhoon -
4 ERKRDM000003 04 Apr 2019 05 Apr 2019 Korea Forest fire 1
5 ERPHVS000021 22 Apr 2019 26 Apr 2019 Philippines Earthquake 1
6 ERPHVS000022 23 Apr 2019 26 Apr 2019 Philippines Earthquake -
7 ERINSR000048 02 May 2019 02 May 2019 India Flood (cancelled)
8 ERADRC000054 16 May 2019 26 May 2019 Turkey Landslide -
9 ERCNEA000006 17 Jun 2019 22 June 2019 China Earthquake 2
10 ERBTHC000002 20 Jun 2019 22 Jun 2019 Bhutan Flash flood 1
11 ERVNMN000054 24 Jun 2019 26 Jun 2019 Vietnam Flash flood -
12 ERIDLP000046 14 Jul 2019 15 Jul 2019 Indonesia Earthquake 2
13 ERAHAC000007 08 Aug 2019 14 Aug 2019 Myanmar Flood 5
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Recent developments: platform/solutions● Sentinel Asia (Regional framework)● International Disaster Charter
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Sen2AgriExploitation of Sentinel 2 from local to national level agriculture monitoring
43
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Sen2Agri Products
Biophysical
vegetation
status indicators
like NDVI and
LAI
Dynamic
cropland mask
Composite of
cloud-free
surface
reflectance
Cultivated crop type
maps and extent of
main crop groups
44
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Satellite data solutions
● Getting popular solutions/products rather than raw data
● Preprocessing of data is no longer needed
● Data subscription, pay based on what you use
● Some satellite constellation provide data daily/any place in the world