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A large impact of tropical biomass burning on CO and CO_2 in the upper troposphere 被引量:2
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作者 Hidekazu Matsueda Shoichi Taguchi +1 位作者 hisayuki y. inoue Masao Ishii 《Science China(Life Sciences)》 SCIE CAS 2002年第z1期116-125,共10页
A large interannual variation of biomass burning emissions from Southeast Asia is associated with the ENSO events. During 1997/98 and 1994 El Nino years, uncontrolled wildfires of tropical rainforests and peat lands i... A large interannual variation of biomass burning emissions from Southeast Asia is associated with the ENSO events. During 1997/98 and 1994 El Nino years, uncontrolled wildfires of tropical rainforests and peat lands in Indonesia were enlarged due to a long drought. Enhanced CO injection into the upper troposphere from the intense Indonesian fires was clearly observed in the 8-year measurements from a regular flask sampling over the western Pacific using a JAL airliner between Australia and Japan. This airliner observation also revealed that upper tropospheric CO2 cycle largely changed during the 1997 El Nino year due partly to the biomass burning emissions. Widespread pollution from the biomass burnings in Southeast Asia was simulated using a CO tracer driven by a 3D global chemical transport model. This simulation indicates that tropical deep convections connected to rapid advection by the subtropical jet play a significant role in dispersing biomass-burning emissions from Southeast Asia on a global scale. 展开更多
关键词 BIOMASS burning UPPER troposphere INDONESIAN fires aircraft observation carbon cycle.
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