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The role of data science in informing disaster mitigation and resilience policy · 2018-08-06 ·...
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www.csiro.au
The role of data science in informing disaster mitigation and resilience policy
Simon Dunstall, Decision Sciences, CSIRO Data61August 2018
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Informing
community understanding, knowledge of environmental and community vulnerability, natural hazard impacts mitigation, and regional development policyusing data science, computational modelling, and engagement between science and stakeholders
Data61 Decision Sciences2 |
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Understanding long‐term MSL and storm surge impacts
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https://www.youtube.com/watch?v=nlXM4IuU‐YA• Dynamic models incorporating
localized rainfall, storm surge, sea‐level rise, stormwater drainage, terrain interaction
• Effect of mitigations• Limits of mitigations• Building community
understanding• Basis for infrastructure and
land‐use policy
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Data61 Decision Sciences4 |
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Satellite Surveying and Mapping Application Centre in China, CSIRO used SPH and DEM methods to test scenarios such as the hypothetical collapse of the massive Geheyan Dam in China
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ALTERNATIVE PLANNING INITIATIVES (ALTERPLAN) (www.alterplan.org.ph)DIGITAL PRODUCTIVITY AND SERVICES FLAGSHIP (www.csiro.au)
Legazpi City – 9 BarangaysAlbay Province has active volcano, risks from frequent typhoons, heavy rainfall, flooding, mudslides, lahar flow
Nine barangays - low risk from lahar, high risk from flooding and storm surge.
Informal settlers – 50% of popn in nine barangays, 25% of popn of entire City.
ALTERNATIVE PLANNING INITIATIVES (ALTERPLAN) (www.alterplan.org.ph)DIGITAL PRODUCTIVITY AND SERVICES FLAGSHIP (www.csiro.au)
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ALTERNATIVE PLANNING INITIATIVES (ALTERPLAN) (www.alterplan.org.ph)DIGITAL PRODUCTIVITY AND SERVICES FLAGSHIP (www.csiro.au)
Study Area Hazardsflooding storm surge
landslide ground subsidence
ALTERNATIVE PLANNING INITIATIVES (ALTERPLAN) (www.alterplan.org.ph)DIGITAL PRODUCTIVITY AND SERVICES FLAGSHIP (www.csiro.au)
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ALTERNATIVE PLANNING INITIATIVES (ALTERPLAN) (www.alterplan.org.ph)DIGITAL PRODUCTIVITY AND SERVICES FLAGSHIP (www.csiro.au)ALTERNATIVE PLANNING INITIATIVES (ALTERPLAN) (www.alterplan.org.ph)DIGITAL PRODUCTIVITY AND SERVICES FLAGSHIP (www.csiro.au)DIGITAL PRODUCTIVITY AND SERVICES FLAGSHIPwww.csiro.au
DR‐SSP Map –Bgy 37 (Bitano)
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SLR 0.0 m SLR 0.14 m
SLR 0.8 mSLR 0.4 m
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Data61 Decision Sciences12 |
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Informing and guiding
infrastructure change, industry practices, emergency response resourcing, and policy and regulatory changeusing data science, computational modelling, quantitative risk analytics, and science‐government‐industry engagement
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A bare‐earth fire break in Pinus radiataplantation in the Green Triangle of south‐eastern South Australia with associated fuel management zone to augment the effectiveness of the fire break
In this case the fuel management zone consists of tree removal for ~3 m from the road, a first thinning and a pruning to 2.5 m at age 9 years
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Gurnang, NSW
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Data61 Decision Sciences17 |
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Powerline Bushfire Safety Program
• The Powerline Bushfire Safety Program (PBSP) was established by the Victorian government in response to the 2009 Black Saturday bushfires
• Research supporting PBSP decision‐making around electrically‐caused bushfires:• Why electrically‐caused bushfires account for over most bushfire‐related deaths in Victoria since 1950
• Informing policy and regulatory change• Estimating the performance of existing and future network technologies
• Providing comprehensive risk analyses, asset prioritisations and mapping products, to inform decision‐makers about the highest‐value locations to replace existing powerlines.
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https://youtu.be/JZVYTkYY2u4
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https://youtu.be/JZVYTkYY2u4
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https://youtu.be/JZVYTkYY2u4
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Consequence mapping
For explanatory and illustrative purposes only. This diagram is not based on real data.
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Probabilistic impact areaWind variation• Probability of fire reaching particular location• Colour scale shows probability (red = high)
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Electrical asset wildfire risk map
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Data scale:• 2.1M fire simulations• 20M ignition rate data points at (pole, option) level
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https://youtu.be/n5_SwJzFUP4
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PBSP: policy and regulatory change• Overall policy position oriented around facilitating data‐driven
optimized investment profiles, enabled by regulations which communicate technical requirements but moreover state the community’s risk tolerance and accepted trade‐offs.
• Regulatory change leading to investment in partnership between the state and electricity companies. Quantitative risk analytics as a guiding principle.
• A$200M in targeted powerline undergrounding• Locations selected based on quantitative risk assessment
• A$300M in staged REFCL rollout across codified areas• According to new electrical safety regulations• Sequencing directly based on quantitative risk assessment• Final A$100M funded from processes overseen by National Energy Regulator (AER)
• Likelihood and consequence datasets as “standards”• “Official” estimates of fire likelihood reduction due to HV powerlines• Used multiple times in justifying risk‐reducing exemptions to regulations
• Financial penalty scheme for electrical fire starts• Risk reduction estimates used in “tapering” fire counts over time• Expected annual cost and cost variability analysis, for fairness and acceptability
• Emerging national standard in approach and data• Applications in other Australian states and internationally• Prime analytics case study and a model for approaches to other hazards
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Building
data, modelling,computation, and decision supporttechnologies and communities
Data61 Decision Sciences30 |
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Data, technology, products and services stack
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Model‐oriented services
Data acquisition
Data repositories
Data marshalling, transformation, repair, inference and workflow
Analytics and computational models
Data products
Information and decision support
Investment, regulation and policy change Situational awareness and response
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Data61’s Geostack Engine
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Three key components constitute Geostack
Gathering Processing Awareness
Remote sensing
Sensor networks Survey data
Geotagged data
Live scanning
Cloud compute
Analytics
GIS applications
Real‐time spatial information
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Fire simulation
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www.research.csiro.au/spark
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Concluding remarks
• Data products (e.g. fire maps), models (e.g. Spark) and systems drive informed investment, regulation and policy
• Data collection and transformation ranges in scale and complexity, from citizen engagement through to automated beneficiation of remotely‐sensed data for use in models
• It is vital to ensure that key elements are commonly available and openly developed
• Groups and organisations need to contribute from a foundation of core competency, and share and use the world‐class skills of others
Data61 Decision Sciences34 |
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Data61 Decision Sciences35 |
http://www.confer.nz/idrim2018/
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www.csiro.au
http://www.data61.csiro.au
Thank You
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