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・ 2009 Asian Athletics Championships – Men's 110 metres hurdles
・ 2009 Asian Athletics Championships – Men's 1500 metres
・ 2009 Asian Athletics Championships – Men's 20 kilometres walk
・ 2009 Asian Athletics Championships – Men's 200 metres
・ 2009 Asian Athletics Championships – Men's 3000 metres steeplechase
・ 2009 Asian Athletics Championships – Men's 4 × 100 metres relay
・ 2009 Asian Athletics Championships – Men's 4 × 400 metres relay
・ 2009 Asian Athletics Championships – Men's 400 metres
・ 2009 Asian Athletics Championships – Men's 400 metres hurdles
・ 2009 Asian Athletics Championships – Men's 5000 metres
・ 2009 Asian Athletics Championships – Men's 800 metres
・ 2009 Al Ayyat railway accident
・ 2009 Al-Fateh Confederations Futsal Cup
・ 2009 Al-Nasr International Tournament
・ 2009 Alabama Crimson Tide football team
2009 Alaska floods
・ 2009 Albanian Cup Final
・ 2009 Albanian Supercup
・ 2009 Albanian Women's National Championship
・ 2009 Alberta Scotties Tournament of Hearts
・ 2009 Albina, Suriname riots
・ 2009 Albirex Niigata season
・ 2009 Alessandria Challenger
・ 2009 Alessandria Challenger – Doubles
・ 2009 Alessandria Challenger – Singles
・ 2009 Alexander Keith's Tankard
・ 2009 Algarve Cup
・ 2009 Algarve GP2 Series round
・ 2009 Algerian Cup Final
・ 2009 Algerian military ambush


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2009 Alaska floods : ウィキペディア英語版
2009 Alaska floods

The 2009 Alaska floods were a series of natural disasters taking place in the United States state of Alaska during April and May 2009. The floods are a result of heavier-than-typical winter snowfall and above-average spring temperatures that resulted in rapid melting of the winter snowfall. The resulting high water levels were aggravated in places by the development of ice dams that caused catastrophic flooding. The record-breaking flood that affected Eagle, Alaska in early May is the best example of an ice dam causing flooding beyond the norm.
== Causes ==
The winter of 2008–2009 brought unusually heavy snowfall to much of Alaska. Kotzebue, on the Bering Sea coast, received a record 102 inches of snowfall—more than double the average of about 40 inches.〔The Associated Press. ("Kotzebue seeks disaster funding after record snowfall" ), ''Fairbanks Daily News-Miner''. April 16, 2009. Accessed May 7, 2009. (Archived ) 2009-06-11.〕 In other locations, winter snowfall did not set records but still was heavier than average. Fairbanks, Alaska's second-largest city, received 71.5 inches of snow and was covered by unusually cold temperatures for the first three months of the year, preventing early melting of the snowpack.〔Staff Report. ("Cool weather lingers in Interior Alaska" ), ''Fairbanks Daily News-Miner''. April 3, 2009. Accessed May 7, 2009.〕〔Staff Report. ("April is Fairbanks' driest month" ), ''Fairbanks Daily News-Miner''. May 5, 2009. Accessed May 7, 2009.〕 Snow also fell heavily in Lake Minchumina and the Alaska Range.〔Collins, Julie. ("Year's last run comes with plenty of snow, surprises" ), ''Fairbanks Daily News-Miner''. March 15, 2009. Accessed May 7, 2009.〕〔Collins, Miki. ("Snow still makes travel a challenge near Alaska Range" ), ''Fairbanks Daily News-Miner''.〕 At Eagle, the ice on the Yukon River was 55 inches thick—more than 40 percent greater than normal.〔Eshleman, Christopher. ("Rural Alaska villages face messy breakup this year" ), ''Fairbanks Daily News-Miner''. April 15, 2009. Accessed May 7, 2009.〕
By mid-April, concerns were raised that the heavy snowpack could pose problems if it melted quickly. "There’s plenty of snowpack out there to cause problems this year," warned a National Weather Service meteorologist at the time.〔
In Fairbanks and most of Interior Alaska, temperatures remained below freezing for most of April and temperatures did not hit 50 degrees until April 26.〔National Weather Service. (Report (Monthly): April 2009" ), nws.noaa.gov. May 1, 2009. Accessed May 7, 2009.〕 After that date, temperatures rose rapidly. By April 28, the snowpack at Fairbanks International Airport had melted, leaving only snow berms and piles.〔 The next day, Fairbanks recorded a record high temperature of 74 degrees. On April 30, Fairbanks set an all-time high temperature for the month of April when the thermometer reached 76 degrees. Record high temperatures also were recorded at Eagle, Delta Junction, and other towns in central Alaska.〔Mowry, Tim. ("Fairbanks sees record high temperature" ), Fairbanks Daily News-Miner. April 29, 2009. Accessed May 7, 2009.〕 In less than one week, central Alaska residents went from skiing to swatting mosquitoes.〔Cole, Dermot. "Springtime in Alaska: From skiing to swatting mosquitoes in single week", ''Fairbanks Daily News-Miner''. May 2, 2009. Accessed May 7, 2009.〕 The warmup was so rapid that on May 1, the Alaska Division of Forestry issued its first wildfire alert of the year.〔Staff Report. ("Alaska Division of Forestry issues first wildfire alert of the season" ), ''Fairbanks Daily News-Miner''. May 1, 2009. Accessed May 7, 2009.〕 By that date, however, rivers across central Alaska already were flooding.〔Staff Report. ("Rite of spring: Ice jams lead to flooding in Salcha" ), ''Fairbanks Daily News-Miner''. April 28, 2009. Accessed May 7, 2009.〕

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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