Name: Mafua- i-vai utukakau Maka Status and Challenges on Geo-DRM Information Systems in Tonga 1
Roles and Relationships Land and Geographic Information Systems (LGIS) Unit: Establish updated high-resolution Land and Geographic Information Systems to support land, risk and hazard management National Emergency Management Office Provide GIS information for the Environment and Climate Change Division to support biodiversity conservations and the increasing resilience to climate change Others GEO-DRM STATUS WHO IS RESPONSIBLE FOR GEO-DRM? Ministry of Lands, Environment, Climate Change & Natural Resources (MLECCNR) is responsible for provision of Geospatial Information for Disaster Risk Reduction (DRM) The GIS Section, MLECCNR provides geospatial information; The Geological Services Unit, MLECCNR provides seismic information and tsunami threat assessments. 2
Structure National Disaster Council (NDC) (CABINET) Chair: Hon. Minister of Infrastructure National Emergency Management Committee (NEMC) National Emergency Operations Committee (NEOC) National Emergency Recovery Committee (NERC) Members: PMO, MOI, Finance and Planning, Agriculture, Health, Police, Military (TDS), Lands, Education Members: PMO, MOI, Foreign Affairs, Police, Military (TDS) Members: PMO, MOI, Finance and Planning, Foreign Affairs, Military (TDS), NGO representative Secretary: NEMO NEMO Secretary: NEMO Chair: Governor/ Gov t Rep District Emergency Management Committee Chair: Town Officer Village Emergency Management Committee Policy and Preparedness Delivery of Emergency Response Coordination of Relief and Recovery Operational Lead Agencies For certain types of emergency, a lead coordination agency is identified: Animal or Plant disease Fire Cyclone, Storm, EQ, Volcano, Tsunami Human Epidemic Major Infrastructure Failure Major Transportation Event Terrorist Activity Water Contamination Oil Spill Plane Crash Ministry of Agriculture, Forestry and Food Tonga Fire Service NEMO (on behalf of NEMC) Ministry of Health Communications: Comm Dept, PMO, TCC Power: Tonga Electrical Power Board Tonga Police Force Tonga Defense Services Tonga Police Force Ministry of Health Ministry of Infrastructure Marine and Port Authority Tonga Fire Service Tonga Police Force 3
GEO-DRM STATUS Cont. WHAT SORT OF GEO SPATIAL INFORMATION? Geospatial information includes natural hazard thematic maps such as: Maps of Coastal Inundation caused by tsunami, storm surges, sea level rise, etc.; Maps of Earthquake Epicenters; Maps of Tsunami Sources and Arrival Time; Maps of Tropical Cyclone Tracks; Maps of Active and dormant Volcanoes in the region; GEO-DRM STATUS Cont. Geospatial Information DRR/DM Roads Contours Digital Elevation Satellite Imagery GPS Data Buildings 4
Evacuation Plan Evacuation Plan 5
Evacuation Plan HIGH RISK ZONE PROPOSED SIREN LOCATIONS 6
New Topographic Maps New Topographic Maps GEO-DRM STATUS Cont. Geospatial Information Producing Post Disaster Damage Assessments Roads Contours Digital Elevation Satellite Imagery/Post Disaster GPS Data Buildings 7
Building Damage Assessment Building Analysis for Each Village 100.00% Damage Conditions 80.00% 60.00% 40.00% 20.00% 0.00% Not Damaged Slightly Damaged Fully Damaged Vaipoa 76.80% 12.50% 10.70% Falehau 6.50% 23.20% 70.40% Hihifo 42% 9.20% 48.90% 8
Building Damage Assessment Damage Level VILLAGES Total Total Total Cost No. Bldg Vaipoa Falehau Hihifo Total Area No. Total Area No. m² Bldg m² Bldg Total Area m² No. Bldg Total Area m² T$ None 86 7303.52 7 722.03 110 11327.56 203 19,353.11 Fixable 14 485.25 25 2199.30 24 3380.61 63 6,065.16 Unfixable 6 415.11 22 1827.19 31 4375.20 59 6,617.50 Totally 6 417.28 54 2361.12 97 8692.08 157 11,470.48 Total 112 8,621.16 108 7,109.64 262 2,7775.45 482 43506.25 Total Cost Tsunami Damage Assessment Building Damage Assessment 9
GEO-DRM STATUS Cont. Geospatial Information for Producing Hereditary estates, Schools locations & Electoral boundaries Roads Land Resources Satellite Imagery GPS Data Lord Luani s Estate King Estate Mataki eua 10
Government Schools Locations Electoral Boundary GEO-DRM CHALLENGES i. Urgently Needs To Update Geospatial Data - Field Data Collection ii. Upgrade Technology Skills and Knowledge of Staff attending short-term regional trainings and workshops iii. Extra GIS Software Licenses and Maintenance iv. Equipment Upgrade v. Lack of communication lines between immediate stakeholders. Eg. No direct network between NEMO Geology GIS MET (internet & telecom) 11
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