The sharp decline of East Asian summer monsoon at mid-Holocene indicated by the lake-wetland transition in the Sanjiang Plain, northeastern China
- 1Key Laboratory of Wetland Ecology and Environment, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun, China
- 2Shijiazhuang Univerity of Economics, Shijiazhuang, China
- 3Hebei normal University, Shijiazhuang, China
- 1Key Laboratory of Wetland Ecology and Environment, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun, China
- 2Shijiazhuang Univerity of Economics, Shijiazhuang, China
- 3Hebei normal University, Shijiazhuang, China
Correspondence: G. P. Wang (wangguoping@iga.ac.cn)
Hide author detailsAbstract. The timing of the waxing and wining of the East Asian summer monsoon during the Holocene is still under debate. In present study, we present the high-resolution grain-size and LOI records from a well-dated mud/peat profile to reveal the lake-wetland transition in the Sanjiang Plain and discuss its significance to Holocene monsoon evolutions. The results show that the shallow-water lakes have developed in low-lying areas of the plain before 4600 yr BP, corresponding to the Holocene monsoon maximum. Thereafter, the wetlands began to initiate with the extinction of the paleolakes, marking a lake-shrinking stage with the relative dry climate. Considering the prevalent monsoon climate in the Sanjiang Plain, we suggest the lake-wetland transition at 4600 yr BP indicate a sharp decline of the summer monsoon rather than the basin infilling process. Such a remarkable monsoon weakening event has been widely documented in northern China, and we associated it with the ocean–atmosphere interacting processes in low-latitude regions.
Z. Q. Zhang et al.


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RC C2261: 'comments to cp-2014-136', Yu Li, 29 Jan 2015
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AC C2368: 'Response to Dr. Li' comments', Guoping Wang, 12 Feb 2015
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AC C2368: 'Response to Dr. Li' comments', Guoping Wang, 12 Feb 2015
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RC C2352: 'cp-2014-136-manuscript-version1', Anonymous Referee #2, 11 Feb 2015
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AC C2390: 'Response to the Referee #2', Guoping Wang, 26 Feb 2015
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AC C2390: 'Response to the Referee #2', Guoping Wang, 26 Feb 2015
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EC C2375: 'Authors should provide a response to referee #2', Eduardo Zorita, 15 Feb 2015


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RC C2261: 'comments to cp-2014-136', Yu Li, 29 Jan 2015
-
AC C2368: 'Response to Dr. Li' comments', Guoping Wang, 12 Feb 2015
-
AC C2368: 'Response to Dr. Li' comments', Guoping Wang, 12 Feb 2015
-
RC C2352: 'cp-2014-136-manuscript-version1', Anonymous Referee #2, 11 Feb 2015
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AC C2390: 'Response to the Referee #2', Guoping Wang, 26 Feb 2015
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AC C2390: 'Response to the Referee #2', Guoping Wang, 26 Feb 2015
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EC C2375: 'Authors should provide a response to referee #2', Eduardo Zorita, 15 Feb 2015
Z. Q. Zhang et al.
Z. Q. Zhang et al.
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