4JOEL S L,COFER W R. Fire,Climate Change,and Carbon Cycling in the Boreal Forest[M]. New York: Springer Verlag, 2001.
5ANDREAE M O ,P MERLET.Emission of trace gases and aerosols from biomass burning[J].Global Biogeochem Cycles, 2001,15 (4) : 955-966.
6IPCC..CLIMATE CHANGE 2007:The Physical Science Basis. Contribution of Working Group Ⅰ to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change [M].Carnbridge:Cambridge University Press, 2007.