How to Use Project NOAH - lga.gov.ph Exchange/OPERATION LISTO... · How to Use Project NOAH...
Transcript of How to Use Project NOAH - lga.gov.ph Exchange/OPERATION LISTO... · How to Use Project NOAH...
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How to Use Project NOAH
Prepared by AMF Lagmay
DOST-Project NOAH
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DOST Project NOAHNationwide Operational Assessment of Hazards
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Source: Interaksyon
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Typhoon Pablo on 4 December 2012
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AVOIDING DISASTERS
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August 21Friday
August 22Saturday
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Department of Science and TechnologyNationwide Operational Assessment of Hazards
DOPPLER RADAR
Yolanda Doppler Radar image as it traverses the central Philippines region
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Department of Science and TechnologyNationwide Operational Assessment of Hazards 17
DOPPLER RADAR
• Aparri• Subic• Tagaytay• Virac• Cebu• Hinatuan
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Cagayan de Oro City
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Department of Science and TechnologyNationwide Operational Assessment of Hazards
Storm Surge
NOAH Storm Surge Project, 2013
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Community scale maps, development planning, emergency planning, identifying blocked access routes, evacuation routes, safe a
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Safe Areas: 0.01%
MGB Landslide & Flood Hazard MapOrmoc City, Leyte
From Landslide and Flood hazards
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Safe Areas: 36.87%
NOAH Landslide, Flood and Storm Surge Hazard MapOrmoc City, Leyte
From Landslide, Flood and Storm Surge hazards
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Safe Areas: 0.00%
MGB Landslide & Flood Hazard MapKananga, Leyte
From Landslide and Flood hazards
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Safe Areas: 41.04%
NOAH Landslide & Flood Hazard MapKananga, Leyte
From Landslide and Flood hazards
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MGB Landslide & Flood Hazard MapTacloban, Leyte
Safe Areas: 0.02%
TACLOBAN AREA – 106 SQ KMLANDSLIDE AREA – 61.7 SQ KMFLOOD AREA – 41.8 SQ KM
From Landslide and Flood hazards
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NOAH Landslide, Flood & Storm Surge Hazard MapTacloban, Leyte
Safe Areas: 26%
TACLOBAN AREA – 106 SQ KMLANDSLIDE AREA – 50.2 SQ KMFLOOD AREA – 23.4 SQ KMSTORM SURGE AREA – 10.8 SQ KMTOTAL HAZARD AREA – 78.4 SQ KM
From Landslide, Flood and Storm Surge hazards
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Summary of results – safe areas for landslide and flood hazards Location Safe areas identified by DENR-
MGB multi-hazard mapSafe areas identified by DOST-Project NOAH hazard map
Ormoc, Leyte 0.01% 40.34%
Kananga, Leyte 0.00% 41.04%
Tacloban, Leyte 0.02% 32.6%
Guiuan, Eastern Samar 9% 66.8%
Hernani, Eastern samar 6.32% 54.77%
Quinapondan, Eastern Samar 1.57% 39.79%
Salcedo, Eastern Samar 2.21% 66.35%
Gen. Mac Arthur, Eastern Samar 0.37% 38.16%
Portion of Eastern Iloilo 1.2% 56.4%
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Landslide Validation in Leyte Province
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Landslide inventory of DOST-Project NOAH -summary
• The landslide inventory was used for validation of the DOST Project NOAH maps
•A total of 12,588 landslide events were used for validation of the hazard maps.
•On average, the accuracy of the DOST-Project NOAH landslide maps based on the 12,588 landslide events from 2003-2014 is >95%
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94.51% of matched pixels were classified as high hazard
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RMSE = 1.44 m
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Make maps readily accessible to the public
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Disaster mitigation efforts against landslides is far from complete even if 100% of the country have landslide hazard maps
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Make maps readily accessible to the public
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