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2006 Southeast Asian haze : ウィキペディア英語版 | 2006 Southeast Asian haze
The 2006 Southeast Asian haze event was caused by continued uncontrolled burning from "slash and burn" cultivation in Indonesia, and affected several countries in the Southeast Asian region and beyond, such as Malaysia, Singapore, southern Thailand, and as far as Saipan; the effects of the haze may have spread to South Korea. Local sources of pollution partly contributed to the increased toxicity, particularly in high-pollution areas such as ports, oil refineries, and dense urban areas. In the highly urbanised and industrialised Klang Valley of Malaysia in particular, the surrounding terrain acted as a natural retainer of polluted air, aggravating the situation when the haze set in. There is also a link to El Niño. The haze was made worse than during previous occurrences by the El Niño-Southern Oscillation which delayed the year's monsoon season. Fires in Kalimantan produce great amounts of smoke, burn a long time and are difficult to extinguish because they are on peatland, and once lit the fires can burn for months and release gases that produce sulfuric acid.〔Ghosh, Arijit. 31 October 2006. (Fires leave Indonesia's neighbours fuming – Business – Business – theage.com.au ), Bloomberg via The Age. Retrieved 1 November 2006.〕 Air quality across the region appeared to improve in late October as heavy rainfall doused fires in Indonesia.〔(【引用サイトリンク】title=Rain clears haze in SE Asia ) 〕 ==Countries affected==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「2006 Southeast Asian haze」の詳細全文を読む
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