干旱区生态环境知识资源中心(Arid): A paleo-hydrological simulation experiment and its verification in an inland basin

Arid

	A paleo-hydrological simulation experiment and its verification in an inland basin
	Zhang Yuxin; Li Yu; Zhang Xinzhong; Zhang Chengqi; Ye Wangting; Liu Yuan
来源期刊	Sciences in Cold and Arid Regions
ISSN	1674-3822
出版年	2019
卷号	11 期号:4 页码:267-282
英文摘要	Hydrological circulation, as the most basic material cycle and active natural phenomenon on earth, exerts a significant influence on climate change. The mid-Holocene is an important period to better understand modern environmental change; however, little research has focused on its quantitative simulation of paleo-hydrological process. In this research, we first collected chronological evidence and sediment records from six Holocene sedimentary sections in the Shiyang River Basin to reconstruct the mid-Holocene environment and terminal paleo-lake area. Secondly, we comprehensively analyzed modern pollen combinations and their propagation characteristics in surface soil, air, river and lacustrine sediments in the Shiyang River Basin, and combined the pollen records, as well as quantitatively reconstructed the millennial-scale vegetation zones. Finally, based on the land-cover adjustment results during the mid-Holocene, we successfully used the Soil and Water Assessment Tool (SWAT) model, a modern distributed hydrological watershed model, to simulate mid-Holocene runoff in the basin. Results show that the reconstructed climate in the basin was warmer and moister than that in recent times. Vegetation types in the mid-Holocene mainly consisted of sub-alpine shrub distributed between 2,550 m and 2,750 m, forest at an elevation of 2,550-2,750 m, steppe at an elevation of 1,550-2,150 m and desert steppe below 1,550 m. The upstream, midstream, downstream and average annual runoff of the mid-Holocene in the basin were 16.7610~8 m~3, 22.86 10~8 m~3, 9.0010~8 m~3 and 16.2010~8 m~3 respectively, compared to 15.61*10~8 m~3 of modern annual runoff. Also, the area of terminal paleo-lake in the mid-Holocene was 628 km~2. Thus, this study provides a new quantitative method for paleo-hydrological simulation.
英文关键词	SWAT model inland basin vegetation reconstruction runoff simulation mid-Holocene
类型	Article
语种	英语
收录类别	CSCD
WOS研究方向	Geology
CSCD记录号	CSCD:6564976
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/336163
作者单位	Zhang Yuxin, College of Earth and Environmental Sciences, Center for Hydrologic Cycle and Water Resources in Arid Region, Lanzhou University, Key Laboratory of Western China's Environmental Systems (Ministry of Education), Lanzhou, Gansu 730000, China.; Li Yu, College of Earth and Environmental Sciences, Center for Hydrologic Cycle and Water Resources in Arid Region, Lanzhou University, Key Laboratory of Western China's Environmental Systems (Ministry of Education), Lanzhou, Gansu 730000, China.; Zhang Xinzhong, College of Earth and Environmental Sciences, Center for Hydrologic Cycle and Water Resources in Arid Region, Lanzhou University, Key Laboratory of Western China's Environmental Systems (Ministry of Education), Lanzhou, Gansu 730000, China.; Ye Wangting, College of Earth and Environmental Sciences, Center for Hydrologic Cycle and Water Resources in Arid Region, Lanzhou University, Key Laboratory of Western China's Environmental Systems (Ministry of Education), Lanzhou, Gansu 730000, China.; Liu Yua...
推荐引用方式 GB/T 7714	Zhang Yuxin,Li Yu,Zhang Xinzhong,et al. A paleo-hydrological simulation experiment and its verification in an inland basin[J],2019,11(4):267-282.
APA	Zhang Yuxin,Li Yu,Zhang Xinzhong,Zhang Chengqi,Ye Wangting,&Liu Yuan.(2019).A paleo-hydrological simulation experiment and its verification in an inland basin.Sciences in Cold and Arid Regions,11(4),267-282.
MLA	Zhang Yuxin,et al."A paleo-hydrological simulation experiment and its verification in an inland basin".Sciences in Cold and Arid Regions 11.4(2019):267-282.