5. 5/44
氣象界的Big Data
•從海裡到太空的觀測
–“Currently, more than 10000 manned and automatic surface weather stations, 1000 upper-air stations, over 7000 ships, more than 100 moored and 1000 drifting buoys, hundreds of weather radars and over 3000 specially equipped commercial aircraft measure key parameters of the atmosphere, land and ocean surface every day” WMOhttp://www.wmo.int/pages/themes/observations/index_en.html
–每分每秒不間斷的數據!!
6. 6/44
氣象界的Big Data 範疇
•除了接收還要產出
–每公里1 網格的氣象預報 510,072,000 x 百種氣象參數x14 天逐時預報
–歐洲氣象中心每天產出超過80GB 資料!!
15. 15/44
天氣影響經濟
•Lazoet al.(2011) 用氣象因素引起的美國11 種產業損失,以2008年為基準,估算各種天 氣因素和企業營收的關係,結果是2008年 GDP的3.4%,大約為4,850億美元,是屬 於天氣敏感有變動度。
•Lazo, J. K., Lawson, M,Larsen P.H.,Waldman D. M., 2011: U.S. Economic Sensitivity to Weather Variability, Bull. Amer. Meteor. Soc.