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DOI	10.1088/1748-9326/ac3b17
	Enhanced drought resistance of vegetation growth in cities due to urban heat, CO2 domes and O-3 troughs
	Fu, Peng; Hu, Leiqiu; Ainsworth, Elizabeth A.; Tai, Xiaonan; Myint, Soe W.; Zhan, Wenfeng; Blakely, Bethany J.; Bernacchi, Carl J.
通讯作者	Fu, P (corresponding author), Univ Illinois, Inst Sustainabil Energy & Environm, Urbana, IL 61801 USA. ; Fu, P (corresponding author), Univ Illinois, Dept Plant Biol, Urbana, IL 61801 USA. ; Fu, P (corresponding author), Univ Illinois, Dept Crop Sci, Urbana, IL 61801 USA.
来源期刊	ENVIRONMENTAL RESEARCH LETTERS
ISSN	1748-9326
出版年	2021
卷号	16 期号:12
英文摘要	Sustained increase in atmospheric CO2 is strongly coupled with rising temperature and persistent droughts. While elevated CO2 promotes photosynthesis and growth of vegetation, drier and warmer climate can potentially negate this benefit, complicating the prediction of future terrestrial carbon dynamics. Manipulative studies such as free air CO2 enrichment (FACE) experiments have been useful for studying the joint effect of global change factors on vegetation growth; however, their results do not easily transfer to natural ecosystems partly due to their short-duration nature and limited consideration of climatic gradients and potential confounding factors, such as O-3. Urban environments serve as a useful small-scale analogy of future climate at least in reference to CO2 and temperature enhancements. Here, we develop a data-driven approach using urban environments as test beds for revealing the joint effect of changing temperature and CO2 on vegetation response to drought. Using 75 urban-rural paired plots from three climate zones over the conterminous United States (CONUS), we find vegetation in urban areas exhibits a much stronger resistance to drought than in rural areas. Statistical analysis suggests the drought resistance enhancement of urban vegetation across CONUS is attributed to rising temperature (with a partial correlation coefficient of 0.36) and CO2 (with a partial correlation coefficient of 0.31) and reduced O-3 concentration (with a partial correlation coefficient of -0.12) in cities. The controlling factor(s) responsible for urban-rural differences in drought resistance of vegetation vary across climate regions, such as surface O-3 gradients in the arid climate, and surface CO2 and O-3 gradients in the temperate and continental climates. Thus, our study provides new observational insights on the impacts of competing factors on vegetation growth at a large scale, and ultimately, helps reduce uncertainties in understanding terrestrial carbon dynamics.
英文关键词	drought urban vegetation rising temperature ozone impacts climate change
类型	Article
语种	英语
开放获取类型	gold
收录类别	SCI-E
WOS记录号	WOS:000727010900001
WOS关键词	LAND-SURFACE TEMPERATURE ; WATER-USE EFFICIENCY ; CARBON ; URBANIZATION ; INCREASE ; FORESTS ; ISLAND ; OZONE
WOS类目	Environmental Sciences ; Meteorology & Atmospheric Sciences
WOS研究方向	Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/374035
作者单位	[Fu, Peng; Ainsworth, Elizabeth A.; Blakely, Bethany J.; Bernacchi, Carl J.] Univ Illinois, Inst Sustainabil Energy & Environm, Urbana, IL 61801 USA; [Fu, Peng; Ainsworth, Elizabeth A.; Bernacchi, Carl J.] Univ Illinois, Dept Plant Biol, Urbana, IL 61801 USA; [Fu, Peng; Ainsworth, Elizabeth A.; Bernacchi, Carl J.] Univ Illinois, Dept Crop Sci, Urbana, IL 61801 USA; [Hu, Leiqiu] Univ Alabama, Dept Atmospher & Earth Sci, Huntsville, AL 35899 USA; [Ainsworth, Elizabeth A.; Bernacchi, Carl J.] USDA ARS, Global Change & Photosynth Res Unit, Urbana, IL 61801 USA; [Tai, Xiaonan] New Jersey Inst Technol, Dept Biol Sci, Newark, NJ 07102 USA; [Myint, Soe W.] Arizona State Univ, Sch Geog Sci & Urban Planning, Tempe, AZ 85281 USA; [Zhan, Wenfeng] Nanjing Univ, Int Inst Earth Syst Sci, Jiangsu Prov Key Lab Geog Informat Sci & Technol, Nanjing 210023, Jiangsu, Peoples R China
推荐引用方式 GB/T 7714	Fu, Peng,Hu, Leiqiu,Ainsworth, Elizabeth A.,et al. Enhanced drought resistance of vegetation growth in cities due to urban heat, CO2 domes and O-3 troughs[J],2021,16(12).
APA	Fu, Peng.,Hu, Leiqiu.,Ainsworth, Elizabeth A..,Tai, Xiaonan.,Myint, Soe W..,...&Bernacchi, Carl J..(2021).Enhanced drought resistance of vegetation growth in cities due to urban heat, CO2 domes and O-3 troughs.ENVIRONMENTAL RESEARCH LETTERS,16(12).
MLA	Fu, Peng,et al."Enhanced drought resistance of vegetation growth in cities due to urban heat, CO2 domes and O-3 troughs".ENVIRONMENTAL RESEARCH LETTERS 16.12(2021).