Chinese Academy of Sciences Center for Excellence in Tibetan Plateau Earth Sciences, Beijing 100101, China
MOE Key Laboratory of West China's Environmental System, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China
Abstract. Previous research has indicated that variations in moisture conditions in arid central Asia (ACA) were out-of-phase with those of monsoonal Asia during the Holocene. In order to investigate this phenomenon, we compared the pattern of moisture variations in ACA and the region dominated by the East Asia summer monsoon (EASM) during the last four interglacials. The results indicate that moisture variations in ACA lagged those in the EASM region by ~ 6 kyr during MIS 5, by −3 kyr during MIS 7, by 3 kyr during MIS 9, and by 7 kyr during MIS 11. We suggest that this lagged pattern in three out of four interglacials was the result of a zonal climatic teleconnection, westerly wind intensity, and evaporation upstream. Overall, our results shed new light on the climatic variability of central Asia and its origins during the Holocene.
This preprint has been withdrawn.
How to cite. Jia, J., Chen, J., Wang, X., Lu, H., Wang, Z., Li, Z., Wang, Q., Duan, Y., Oimahmadov, I., Gadoev, M., and Chen, F.: Lagged variation of moisture conditions in central Asia
compared with monsoonal Asia during the last four
interglacials, Clim. Past Discuss. [preprint], https://doi.org/10.5194/cp-2019-117, 2019.
Received: 07 Sep 2019 – Discussion started: 21 Nov 2019
Central Asia is characterized by scarce water resources, sparse vegetation cover and fragile ecosystems, making it very sensitive to climate change. Under the present global warming scenario, central Asia faces severe water resources problems. This study gives us an opportunity to insight understand the linkage between westerlies and Asia Monsoon circulation, which is helpful to assess the water resources and ecological systems changes responding to global warming.
Central Asia is characterized by scarce water resources, sparse vegetation cover and fragile...