干旱区生态环境知识资源中心(Arid): Distribution characteristics and paleo-climatic significance of continental climate-sensitive sediments in the Late Cretaceous in China

Arid

	Distribution characteristics and paleo-climatic significance of continental climate-sensitive sediments in the Late Cretaceous in China
	Xu Bin; Xiang Fang; Li Shuxia
来源期刊	Coal Geology & Exploration
ISSN	1001-1986
出版年	2021
卷号	49 期号:5 页码:190-199
英文摘要	The Cretaceous is a typical period for studying the greenhouse climate and the earth system interactions, and the world's most extensive terrestrial strata are mainly in East Asia, especially in China. Continental sediments can effectively reflect the paleo-climate change, but the previous studies of the Late Cretaceous paleo-climate, based on the combined characteristics of continental climate-sensitive sediments, were barely found in China. To obtain the Late Cretaceous paleo-climate characteristics of China, the distribution characteristics of different continental climate-sensitive sediment types in the early, middle and Late Cretaceous in China were studied in detail. According to the distribution and combination characteristics and types of continental climate-sensitive sediments, seven climate types can be divided: 1) warm-humid and warm-dry climate; 2) hot and dry climate; 3) hot-dry and arid climate; 4) hot-dry and semiarid climate; 5) hot-dry and hot-wet climate; 6) hot-dry and warm-humid climate; 7) hot-dry and warm-dry climate. The results show that in the early Late Cretaceous, the hot and dry climate was the most widespread, followed by warm-humid and warm-dry climate, but the climate was drier than the paleo- climate of the previous study of Early Cretaceous. Hot and dry climate zone became wider in the Coniacian and Maastrichtian; furthermore, it covered Xinjiang to the east of China from east to west after the Santonian Period. The hot-dry and semiarid climate zone was nearly latitudinally distributed from the northwest to the southeast and it shows a further increase in aridification. Global geological events, paleogeographic features and regional tectonic evolution had significant impacts on the paleoclimate of China in the Late Cretaceous, such as global eruptive events of volcanoes led to the temperature increase in China in the early Late Cretaceous; coastal mountain ranges in southeastern China led to the drying of the Late Cretaceous climate in southern China; Xuefeng Mountains, Wuling Mountains, Nanling Mountains and Tai-hang Mountains were the dividing line between the hot and dry climate zone and hot-dry and arid climate zone in the early Late Cretaceous, and Altun Mountains were the dividing line between the southeastern section of the hot and dry climate zone in western China in the middle Late Cretaceous.
英文关键词	Late Cretaceous continental climate-sensitive sediments China climate type influence factor
类型	Article
语种	英语
收录类别	CSCD
WOS类目	Geology
CSCD记录号	CSCD:7083268
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/377413
作者单位	Xu Bin, North China Institute of Science and Technology, Hebei State Key Laboratory of Mine Disaster Prevention, Beijing 101601, China.; Xiang Fang, Chengdu University of Technology, State Key Laboratory of Oil & Gas Reservoir Geology and Exploitation, Chengdu, Sichuan 610059, China.; Li Shuxia, School of Geoscience and Surveying Engineering, China University of Mining and Technology(Beijing), Beijing 100083, China.
推荐引用方式 GB/T 7714	Xu Bin,Xiang Fang,Li Shuxia. Distribution characteristics and paleo-climatic significance of continental climate-sensitive sediments in the Late Cretaceous in China[J],2021,49(5):190-199.
APA	Xu Bin,Xiang Fang,&Li Shuxia.(2021).Distribution characteristics and paleo-climatic significance of continental climate-sensitive sediments in the Late Cretaceous in China.Coal Geology & Exploration,49(5),190-199.
MLA	Xu Bin,et al."Distribution characteristics and paleo-climatic significance of continental climate-sensitive sediments in the Late Cretaceous in China".Coal Geology & Exploration 49.5(2021):190-199.