Understanding the loess-monsoon relationship: from climate modelling to soil modelling
(2017) International workshop on “Asian monsoon variability and dynamics” — Location: Xian, China (11.June.2017)
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- Abstract
- Many proxies have been taken from the Chinese loess to reconstruct the past monsoon changes. In particular, the pedogenic properties which reflect the strength of soil formation have been used as an important proxy to indicate the summer monsoon intensity. Strong developed paleosoils would require more heat and moisture and therefore indicate strong summer monsoon. For example, the S5-1 paleosoil, which was formed during the interglacial MIS-13, is the strongest developed soil of the last million years and has been suggested to reflect an exceptionally strong summer monsoon. However, globally speaking, MIS-13 is a relatively cool interglacial. Climate models of different complexities have been used to understand this paradox. Sensitivity experiments have been performed to investigate the summer monsoon response to insolation, greenhouse gas concentrations, ice sheets in both hemispheres and the Indian-Pacific Warm Pool surface temperature. Finally, a soil formation model which links climate and soil properties is used to simulate the soil development during MIS-13 and to identify the most important factor that is responsible for producing such a strong soil. Results from both climate and soil models help to better understand the loess-monsoon relationship.
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Yin, Q., Finke, P., & Berger, A. (2017). Understanding the loess-monsoon relationship: from climate modelling to soil modelling. International workshop on “Asian monsoon variability and dynamics”, Xian, China. https://hdl.handle.net/2078.5/178005