GC14A:
Climate and Environmental Changes in Arid Central and East Asia II

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Session ID#: 15588

Session Description:
Arid Central and East Asia today falls under the influence of the mid-latitude westerly. It is also a major source region of atmospheric dust, which could affect the radiative forcing of climate on a global scale. In history, this region not only experienced dramatic hydrological, environmental, and ecological changes, but also witnessed the rises and falls of the old "silk road".  

This session will assemble studies of Quaternary climate and environmental changes at various time-scales. We invite submissions of new data, records, and results on: (1) the long-term history and mechanism of acidification; (2) the desert evolution during the Quaternary; (3) the development history and processes of atmospheric dust; (4) climate and environmental changes at orbital-, millennial, centennial-, and decadal-scales;  (5) regional hydroclimate and environmental responses to global warming; and (6) new techniques for paleoclimate and paleoenvironmental studies in Arid Central and East Asia. 

Primary Convener:  Cheng Zhao, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing, China
Conveners:  Fahu Chen, Lanzhou University, MOE Key Lab of Western China's Environmental System, Lanzhou, China, Jianhui Chen, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou, China and Song Feng, University of Arkansas, Fayetteville, AR, United States
Chairs:  Cheng Zhao, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing, China, Fahu Chen, Lanzhou University, MOE Key Lab of Western China's Environmental System, Lanzhou, China, Jianhui Chen, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou, China and Song Feng, University of Arkansas, Fayetteville, AR, United States
OSPA Liaison:  Song Feng, University of Arkansas, Fayetteville, AR, United States

Cross-Listed:
  • PP - Paleoceanography and Paleoclimatology
Index Terms:

1105 Quaternary geochronology [GEOCHRONOLOGY]
1625 Geomorphology and weathering [GLOBAL CHANGE]
1630 Impacts of global change [GLOBAL CHANGE]
1637 Regional climate change [GLOBAL CHANGE]

Abstracts Submitted to this Session:

Climate variability of Central Asia on orbital to millennial timescales (Invited) (126959)
Hai Cheng1, Christoph Spoetl2, Sebastian F. M. Breitenbach3, Ashish Sinha4, Jasper A. Wassenburg5, Xianglei Li6, Liang Yi7, Klaus P Jochum5, Denis Scholz8, Youbing Peng9, Gayatri Kathayat6 and R. Lawrence Edwards10, (1)Xi'an Jiaotong University, Institute of Global Environmental Change, Xian, China, (2)Institute für Geologie, Universität Innsbruck, Innsbruck, Austria, (3)ETH Swiss Federal Institute of Technology Zurich, Zurich, Switzerland, (4)California State University Dominguez Hills, Earth Sciences, Carson, CA, United States, (5)Max Planck Institute for Chemistry, Mainz, Germany, (6)Xi’an Jiaotong University, Institute of Global Environmental Change, Xi'an, China, (7)Tongji University, State Key Laboratory of Marine Geology, Shanghai, China, (8)Institute for Geosciences, Johannes Gutenberg-Universität, Mainz, Germany, (9)Xi'an Jiaotong University, Xian, China, (10)University of Minnesota, Minneapolis, MN, United States
Predictability and Prediction of Summer Rainfall in the Arid/Semi-arid Regions of China (Invited) (173003)
Bin Wang, University of Hawaii, Department of Atmospheric Sciences and International Pacific Research Center, Honolulu, United States and Wen Xing, University of Colorado Boulder, Atmospheric and Oceanic Sciences, Boulder, CO, United States
Holocene moisture and East Asian summer monsoon evolution in the northeastern Tibetan Plateau recorded by Lake Qinghai and its environs: A review of conflicting proxies (149104)
Fahu Chen1, Prof. Duo Wu, PhD2 and Jianhui Chen2, (1)Lanzhou University, MOE Key Lab of Western China's Environmental System, Lanzhou, China, (2)Lanzhou University, College of Earth Environmental Sciences, Lanzhou, China
Holocene climate controls on water isotopic variations on thenortheastern Tibetan Plateau (146449)
Cheng Zhao, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing, China, Yuxin He, Zhejiang University, Hangzhou, China, Zhonghui Liu, University of Hong Kong, Hong Kong, Hong Kong, Huanye Wang, State Key Laboratory of Loess and Quaternary Geology, IEE, CAS, Xi'an, China, Weiguo Liu, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an, China, Zicheng Yu, Lehigh University, Department of Earth and Environmental Sciences, Bethlehem, PA, United States, Yan Zhao, IGSNRR Institute of Geographic Sciences and Natural Resources Research, CAS, Beijing, China and Emi Ito, University of Minnesota Twin Cities, Earth and Environmental Sciences and Limnological Research Center, Minneapolis, MN, United States
Alternating sand and loess deposition in northern China: A potential process of dust cycle (170271)
Mingrui Qiang1, Fengshan Li2, Ganggang Wang2 and Fahu Chen3, (1)South China Normal University, School of Geography, Guangzhou, China, (2)Lanzhou University, Key Laboratory of Western China’s Environmental Systems (MOE), College of Earth and Environmental Sciences, Lanzhou, China, (3)Lanzhou University, MOE Key Laboratory of Western China's Environmental Systems, College of Earth Environmental Sciences, Lanzhou, China
Environmental Changes over the Last 5520 Years from an Alpine Lake (3410 m a.s.l.) on Taibai Mountain, Central China (171227)
Ying Cheng1, Hongya Wang2 and Hongyan Liu2, (1)Peking University, Beijing, China, (2)College of Urban and Environmental Sciences and MOE Laboratory for Earth Surface, Peking University, Beijing, China
Climate-tree growth responses at different elevations and the recent warming in the western Tianshan Mountains, Northwest China (175505)
Xiaohua Gou1, Yuxia Huo1, Wenhuo Liu1, Jinbao Li2 and Fu Gu1, (1)LZU Lanzhou University, Lanzhou, China, (2)University of Hong Kong, Hong Kong, Hong Kong
Exacerbated degradation and desertification of grassland in Central Asia (196151)
Geli Zhang1, Xiangming Xiao2, Chandrashekhar M Biradar3, Jinwei Dong1, Yuting Zhou4, Yuanwei Qin5, Yao Zhang1, Fang Liu6, Mingjun Ding1 and Richard J Thomas3, (1)University of Oklahoma Norman Campus, Norman, OK, United States, (2)University of Oklahoma Norman Campus, School of Biological Sciences, Norman, United States, (3)International Center for Agricultural Research in the Dry Areas, Sacramento, CA, United States, (4)Oklahoma State University, Department of Geography, Stillwater, OK, United States, (5)Department of Microbiology and Plant Biology, Center for Earth Observation and Modeling, University of Oklahoma, Norman, United States, (6)CAS Chinese Academy of Sciences, Beijng, China

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