<正> The history of natural fire since 37 kaBP and its relationship to climate for the northern part of the South China Sea are revealed from the statistic study of charcoal particles and associated pollen data from deep sea core 17940 (20° 07'N, 117° 23'E, 1 727 m in water depth). Our study indicates that, during the last glaciation, the concentration of charcoal and the ratio of concentration between charcoal and terrestrial pollen are much higher than that of the Holocene. This can be explained as the rel...
【英文摘要】
The history of natural fire since 37 kaBP and its relationship to climate for the northern part of the South China Sea are revealed from the statistic study of charcoal particles and associated pollen data from deep sea core 17940 (20° 07'N, 117° 23'E, 1 727 m in water depth). Our study indicates that, during the last glaciation, the concentration of charcoal and the ratio of concentration between charcoal and terrestrial pollen are much higher than that of the Holocene. This can be explained as the relativ...
【分类号】
P531
【正文快照】
Natural fires,in some cases,play an important role in succession of vegetation dynamics【lJ.In addition,since a certain temperature,humidity and oxygen content within the air are needed tocause a fire,natural fires could also act as one of the important i
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