NEIGAE OpenIR  > 湿地生态系统管理学科组
Fire history and climate characteristics during the last millennium of the Great Hinggan Mountains at the monsoon margin in northeastern China
C. Y. Gao, J. B. He, Y. Zhang, J. X. Cong, D. X. Han and G. P. Wang
2018
Source PublicationGlobal and Planetary Change
Volume162Pages:313-320
Other AbstractThe northeastern region of China, at the limit of the summer monsoon, is characterized by the presence of mountains that influenced by the Asian summer monsoon on one side and the westerlies on the other; however, few studies have compared the environmental characteristics on the two sides of these mountains. In this study, two peatland cores from the western and eastern sides of the Great Hinggan Mountains were investigated to better understand the climatic and environmental conditions and the measurements of black carbon (BC) and delta C-13-BC were used to reconstruct the fire history and environmental characteristics during the last millennium. Our results showed that the variations in the delta C-13-BC values are more sensitive to climate changes than the BC fluxes, and the climate forcing mechanisms differed between the two sides of the mountains. Lower delta C-13-BC values around 500 cal yr BP on the western side of the mountains indicated climate conditions were wetter than that on the eastern side, and were influenced by low sea surface temperatures in the North Atlantic Ocean. The region east of the mountains was mainly influenced by the strong Asian summer monsoon, and the decreasing of delta C-13-BC values indicated climate conditions became wetter from 250 cal yr BP to the present and were wetter than that on the western side after 150 cal yr BP. Moreover, when one of these two forcing factors weakened and the other strengthened (e.g. from 400 to 150 cal yr BP), climate conditions in these two sides were similar.
Document Type期刊论文
Identifierhttp://ir.iga.ac.cn/handle/131322/9169
Collection湿地生态系统管理学科组
Recommended Citation
GB/T 7714
C. Y. Gao, J. B. He, Y. Zhang, J. X. Cong, D. X. Han and G. P. Wang. Fire history and climate characteristics during the last millennium of the Great Hinggan Mountains at the monsoon margin in northeastern China[J]. Global and Planetary Change,2018,162:313-320.
APA C. Y. Gao, J. B. He, Y. Zhang, J. X. Cong, D. X. Han and G. P. Wang.(2018).Fire history and climate characteristics during the last millennium of the Great Hinggan Mountains at the monsoon margin in northeastern China.Global and Planetary Change,162,313-320.
MLA C. Y. Gao, J. B. He, Y. Zhang, J. X. Cong, D. X. Han and G. P. Wang."Fire history and climate characteristics during the last millennium of the Great Hinggan Mountains at the monsoon margin in northeastern China".Global and Planetary Change 162(2018):313-320.
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