Arid
DOI10.1111/j.1502-3885.2008.00063.x
Holocene environmental change in the marginal area of the Asian monsoon: a record from Zhuye Lake, NW China
Li, Yu; Wang, Nai’ang; Cheng, Hongyi; Long, Hao; Zhao, Qiang
通讯作者Li, Yu
来源期刊BOREAS
ISSN0300-9483
EISSN1502-3885
出版年2009
卷号38期号:2页码:349-361
英文摘要

Li, Y., Wang, N., Cheng, H., Long, H. & Zhao, Q.: Holocene environmental change in the marginal area of the Asian monsoon: a record from Zhuye Lake, NW China. Boreas, 10.1111/j.1502-3885.2008.00063.x. ISSN 0300-9843.


This article examines Holocene environmental change in Zhuye Lake in the marginal area of the Asian monsoon, NW China. Holocene environment records were obtained for the QTH01 and QTH02 sections in Zhuye Lake. The fluctuations in grain size, pollen, total organic carbon content and C/N ratios record notable environmental variation. The early Holocene (11.0 to 7.4 cal. kyr BP) was relatively arid, while vegetation coverage was sparse and primary productivity low. The optimal environment prevailed during the mid-Holocene (7.4 to 4.7 cal. kyr BP). Vegetation coverage was the densest and primary productivity the highest during the mid-Holocene. During the late Holocene (4.7 to 0 cal. kyr BP), the environment became arid, as shown by low lake level and sparse vegetation coverage. After 1.6 cal. kyr BP another strong aridification occurred. In this area, the environment was likely to have been influenced by both the Westerlies and the East Asian monsoon during the Holocene. During the early Holocene, the relatively arid environment lay in the background of the increasing East Asian monsoon and dry westerly wind. During the mid-Holocene, central Asia was controlled by the humid Westerlies, while a strong East Asian monsoon prevailed in Central China. The mid-Holocene optimum in this area benefited from an expanded East Asian monsoon and the humid Westerlies. Weakening of the East Asian monsoon caused aridification of the environment during the late Holocene. Intensification of this aridification after 1.6 cal. kyr BP might be correlated with appearance of the arid environments in the Westerly domain after similar to 1.5 cal. kyr BP. These arid conditions might be affected by the decreased moisture content of the Westerlies.


类型Article
语种英语
国家Peoples R China
收录类别SCI-E
WOS记录号WOS:000264563700011
WOS关键词SEDIMENTARY ORGANIC-MATTER ; NORTH-ATLANTIC CLIMATE ; HIGH-RESOLUTION ; NORTHWESTERN CHINA ; LATE PLEISTOCENE ; LOESS PLATEAU ; MILLENNIAL-SCALE ; CENTRAL MONGOLIA ; INNER-MONGOLIA ; TENGGER DESERT
WOS类目Geography, Physical ; Geosciences, Multidisciplinary
WOS研究方向Physical Geography ; Geology
来源机构兰州大学
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/160061
作者单位Lanzhou Univ, Coll Earth & Environm Sci, Key Lab Western Chinas Environm Syst MOE, Lanzhou 730000, Peoples R China
推荐引用方式
GB/T 7714
Li, Yu,Wang, Nai’ang,Cheng, Hongyi,et al. Holocene environmental change in the marginal area of the Asian monsoon: a record from Zhuye Lake, NW China[J]. 兰州大学,2009,38(2):349-361.
APA Li, Yu,Wang, Nai’ang,Cheng, Hongyi,Long, Hao,&Zhao, Qiang.(2009).Holocene environmental change in the marginal area of the Asian monsoon: a record from Zhuye Lake, NW China.BOREAS,38(2),349-361.
MLA Li, Yu,et al."Holocene environmental change in the marginal area of the Asian monsoon: a record from Zhuye Lake, NW China".BOREAS 38.2(2009):349-361.
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