Holocene climate variability in arid Asia: Nature and mechanisms
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چکیده
The papers in this special issue are derived from a selection of presentations given at the RACHAD workshop titled ‘‘Pattern of Holocene Climate Change in Central Asia: Data Synthesis’’ held at Lanzhou University, People’s Republic of China, from 25th to 27th July 2006. RACHAD is INQUA Palaeoclimate Commission (PALCOMM) Project (#0502), concerned with ‘rapid climate change in Central Asia’s drylands’, and the 2006 workshop was its fourth gathering. The RACHAD project was established in 2000 and has been led by Prof Fahu Chen from Lanzhou University. RACHAD’s initial objectives were to stimulate the reconstruction of Holocene climatic and environmental changes in arid Central Asia at high resolution, to intensify international research collaboration, and to develop and refine techniques for environmental reconstruction and dating. r 2008 Elsevier Ltd and INQUA. All rights reserved.
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An Abrupt Centennial-Scale Drought Event and Mid-Holocene Climate Change Patterns in Monsoon Marginal Zones of East Asia
The mid-latitudes of East Asia are characterized by the interaction between the Asian summer monsoon and the westerly winds. Understanding long-term climate change in the marginal regions of the Asian monsoon is critical for understanding the millennial-scale interactions between the Asian monsoon and the westerly winds. Abrupt climate events are always associated with changes in large-scale ci...
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We synthesize palaeoclimate records from the mid-latitude arid Asian region dominated today by the Westerlies (‘‘arid central Asia’’ (ACA)) to evaluate spatial and temporal patterns of moisture changes during the Holocene. Sediment records from 11 lakes with reliable chronologies and robust proxies were selected to reconstruct moisture histories based on a five-class ordinal wetness index with ...
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