13 - GEOL 0820 Ramsey Natural Disasters Spring, 2011...

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GEOL 0820 Ramsey Natural Disasters Spring, 2011 Date: 1 March 2011 I. Volcanic Hazard Mitigation (con’t) different categories: o physical structures/effort ± lava and lahar diversion (last class) ± water cooling: ¾ rapid cooling of the flow front using cold water in order to strengthen the lava and form a natural blockage ¾ used in Iceland in 1973 to try to stop a flow from closing off and important harbor ¾ used north Atlantic seawater for days ¾ many scientists are convinced that the flow was stopping and that the water did very little o public education: ± can be critical in reduction of the risks ± needed in third world countries where the population is high and the information dissemination is low ± needed also in first world countries where the recurrence interval is large and therefore the perceived threat from volcanoes is minimal ± how ?? ¾ begin training early (Japan does this for grade school kids living in hazard-prone areas) ¾ continue public education/drills/training in those areas (especially
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This note was uploaded on 01/05/2012 for the course GEOL 0820 taught by Professor Ramsay during the Spring '08 term at Pittsburgh.

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13 - GEOL 0820 Ramsey Natural Disasters Spring, 2011...

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