LESSONS LEARNED FROM PAST NOTABLE DISASTERS ALGERIA PART 2: DUST STORMS
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Transcript of LESSONS LEARNED FROM PAST NOTABLE DISASTERS ALGERIA PART 2: DUST STORMS
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LESSONS LEARNED FROM PAST NOTABLE DISASTERS
ALGERIAPART 2: DUST STORMS
Walter Hays, Global Alliance for Disaster Reduction, Vienna,
Virginia, USA
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ALGERIA
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ALGERIA
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NATURAL HAZARDS THAT HAVE CAUSED NATURAL HAZARDS THAT HAVE CAUSED DISASTERS IN ALGERIADISASTERS IN ALGERIA
NATURAL HAZARDS THAT HAVE CAUSED NATURAL HAZARDS THAT HAVE CAUSED DISASTERS IN ALGERIADISASTERS IN ALGERIA
FLOODS
WINDSTORMS/DUSTSTORMS
EARTHQUAKES
LANDSLIDES
ENVIRONMENTAL CHANGE
GLOBAL CLIMATE CHANGE
HIGH BENEFIT/COST FROM BECOMING DISASTER RESILIENT
HIGH BENEFIT/COST FROM BECOMING DISASTER RESILIENT
GOAL: PROTECT PEOPLE GOAL: PROTECT PEOPLE AND COMMUNITIESAND COMMUNITIES
GOAL: PROTECT PEOPLE GOAL: PROTECT PEOPLE AND COMMUNITIESAND COMMUNITIES
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DUST STORMS
• A dust storm (or sand storm) is a common meteorological phenomenon that is common in. arid and semi-arid regions
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The Sahara Desert is a key source of dust storms, particularly the Bodele Depression and an area
covering the confluence of Muritania, Mali, and Algeria]
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Saharan dust storms have increased approximately 10-
fold since the 1950s.
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DUST STORM OFF ALGERIA:DECEMBER 6, 2003
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ALGERIAN DUST STORM
• This dust storm, like others, carried Saharan dust across the Atlantic Ocean all the way to the Southeast United States.
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PAST NOTABLE REGIONAL DUST STORMS
United Arab Emirates--Feb., 2009Al-Asada, Iraq; April 2005
Egypt, May 13, 2005
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DUST STORM: AL-ASAD, IRAQ; APRIL 27, 2005
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DUST STORM LEAVING EGYPT: MAY 13, 2005
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IMPACTS OF DUST
• Dust injects nutrients, such as iron, into marine ecosystems.
• Dust also carries bacteria and spores from fungi, which can cause diseases long distances away.
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IMPACTS OF DUST
• Dust storms can cause or worsen breathing problems.
• Finally, dust in the atmosphere can also influence weather and global climate change.
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ECONOMIC IMPACTS
• Reduced visibility caused by dust can affect aircraft transportation.
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ECONOMIC IMPACTS
• Dust storms cause soil loss from the dry lands, and the abrasive effect of the storm damages young crop plants.
• They preferentially remove organic matter, thereby reducing agricultural productivity.