干旱区生态环境知识资源中心(Arid): Soil moisture influenced the variability of air temperature and oasis effect in a large inland basin of an arid region

Arid

DOI	10.1002/hyp.14246
	Soil moisture influenced the variability of air temperature and oasis effect in a large inland basin of an arid region
	Hao, Xingming; Hao, Haichao; Zhang, Jingjing
通讯作者	Hao, XM (corresponding author), Chinese Acad Sci, Xinjiang Inst Ecol & Geog, State Key Lab Desert & Oasis Ecol, 818 South Beijing Rd, Urumqi 830011, Xinjiang, Peoples R China.
来源期刊	HYDROLOGICAL PROCESSES
ISSN	0885-6087
EISSN	1099-1085
出版年	2021
卷号	35 期号:6
英文摘要	Soil moisture plays a significant role in land-atmosphere interactions. Changing fractions of latent and sensible heat fluxes caused by soil moisture variations can affect near-surface air temperature, thus influencing the oasis's cooling effect in arid regions. In this study, the framework for the evaporative fraction (EF) dependence on soil moisture is used to analyse the impacts of soil moisture variation on near-surface air temperature and the oasis effect. The result showed that soil moisture's contribution rate to EF was significantly higher than that of EF to temperature. Under the interaction of temperature sensitivity to EF and EF to soil moisture, the partial derivative T/partial derivative theta presented a similar tempo-spatial variation with both of the above. It was most significant in oasis areas during summer (-1.676), while it was weaker in plain desert areas during the autumn (-0.071). In the study region, the effect of soil moisture variation on air temperature can reach 0.018-0.242 K for different land-cover types in summer. The maximum variation of soil moisture in summer can alter air temperature by up to 0.386 K. The difference in temperature variability between the oasis and desert areas promoted the formation of the oasis effect. For different oasis, the multi-year average oasis cold effect index (OCI) ranged from -1.36 to -0.26 K. In comparison, the average summer OCI ranged from -1.38 to -0.29 K. The lower bound of the cooling effect of oasis ranged from -4.97 to -1.69 K. The analysis framework and results of this study will provide a new perspective for further research on the evolution process of the oasis effect and water-heat balance in arid areas.
英文关键词	arid region coupling relation evaporative fraction near-surface air temperature oasis and desert
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000667549500024
WOS关键词	LAND-SURFACE MODEL ; TARIM RIVER-BASIN ; CLIMATE-CHANGE ; TIANSHAN MOUNTAINS ; LOESS PLATEAU ; EVAPOTRANSPIRATION ; SIMULATION ; DESERT ; VEGETATION ; ALGORITHM
WOS类目	Water Resources
WOS研究方向	Water Resources
来源机构	中国科学院新疆生态与地理研究所
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/350510
作者单位	[Hao, Xingming; Hao, Haichao; Zhang, Jingjing] Chinese Acad Sci, Xinjiang Inst Ecol & Geog, State Key Lab Desert & Oasis Ecol, 818 South Beijing Rd, Urumqi 830011, Xinjiang, Peoples R China; [Hao, Xingming; Hao, Haichao; Zhang, Jingjing] Akesu Natl Stn Observat & Res Oasis Agroecosyst, Akesu, Peoples R China; [Hao, Haichao; Zhang, Jingjing] Univ Chinese Acad Sci, Beijing, Peoples R China
推荐引用方式 GB/T 7714	Hao, Xingming,Hao, Haichao,Zhang, Jingjing. Soil moisture influenced the variability of air temperature and oasis effect in a large inland basin of an arid region[J]. 中国科学院新疆生态与地理研究所,2021,35(6).
APA	Hao, Xingming,Hao, Haichao,&Zhang, Jingjing.(2021).Soil moisture influenced the variability of air temperature and oasis effect in a large inland basin of an arid region.HYDROLOGICAL PROCESSES,35(6).
MLA	Hao, Xingming,et al."Soil moisture influenced the variability of air temperature and oasis effect in a large inland basin of an arid region".HYDROLOGICAL PROCESSES 35.6(2021).