第五章第五章 缺缺 氧氧 http:/ http:/喀麦隆尼欧斯湖前后对比喀麦隆尼欧斯湖前后对比 http:/Lake NyosLake Nyos Killer LakerKiller LakerOnOn1986,1986,a alimniclimniceruptioneruption occurredoccurredatatLakeLakeNyosNyoswhichwhichtriggeredtriggered thethe suddensudden releaserelease ofof aboutabout 100,000100,000-300,000300,000tonnestonnes88(some(someotherothersourcessourcesstatestateasasmuchmuchasas1.61.6millionmilliontons)tons)99 ofofCOCO2 2;thisthiscloudcloudroseroseatatnearlynearly100100kilometreskilometresperperhourhour(62mph).(6