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Strategies for reducing impacts (Earthquake (Hazard resistant (aseismic)…
Strategies for reducing impacts
Tsunamis
Offshore barriers
(Ofunto Bay, Japan)
Higher sea walls
Early warning system in Pacific
Changing the coastal environment
Mangrove Forests (Gle Jong, indonesia) 70,000 trees- 2004
Earthquake
Hazard resistant (aseismic) design
Counterweight near the top of Taipei 101 (Taiwan)
Strict building codes
Steel lattice absorbers in wall
Base isolators under New Zealand's old parliament building in Wellington
In LEDCs bamboo can be used
Measure time between them
SAR (Synthetic Aperture Radar)
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LiDAR (Light Detection and Ranging
)
Creates high resolution 3D data of the Earth's surface
Location of important buildings
Hardest to predict
Volcanoes
Land use zoning
(Chances Peak, Mount Etna)
Lava diversions barriers
(Mount Etna, Italy 1983)
Spraying seawater to cool and solidify a lava flow
(Heimaey, Iceland, March 1973)
Cutting a diversion channel
(Mount Etna, 1993)
Draining crater lakes to reduce the risk of lahars
(Mount Pinatubo, Philippines, 2001)
Educating citizens what to do
GNS science uses satelite and aircraft remote sensing data, including LiDAR and SAR
Government puts money aside each year for diasters