气候变化领域集成服务门户(CCPortal): Seasonal Evolution of Canopy Stomatal Conductance for a Prairie and Maize Field in the Midwestern United States from Continuous Carbonyl Sulfide Fluxes

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DOI	10.1029/2019GL085652
	Seasonal Evolution of Canopy Stomatal Conductance for a Prairie and Maize Field in the Midwestern United States from Continuous Carbonyl Sulfide Fluxes
	Berkelhammer M.; Alsip B.; Matamala R.; Cook D.; Whelan M.E.; Joo E.; Bernacchi C.; Miller J.; Meyers T.
发表日期	2020
ISSN	0094-8276
卷号	47 期号:6
英文摘要	There are inherent challenges in scaling stomatal conductance (g (Formula presented.)) from leaf to canopy particularly over seasonal time scales when species distribution and canopy structure evolve. We address this gap using carbonyl sulfide (OCS) and CO (Formula presented.) fluxes from a predominantly C3 prairie and C4 maize field in the midwestern United States. The g (Formula presented.) derived from OCS fluxes captured a transition in the stomatal limitation on gross primary productivity (GPP) through the growing season as well as seasonally persistent g (Formula presented.) dynamics such as temperature optimum and a positive response of nighttime g (Formula presented.) to vapor pressure deficit. Near the termination of the prairie growing season, we observed a decrease in the relative OCS to CO (Formula presented.) flux that we hypothesize emerged from a rising contribution of C4 plants to productivity. The results show how plot-scale OCS and CO (Formula presented.) fluxes can be used as a trace gas diagnostic for transitions in the limiting factors for community GPP. ©2020. American Geophysical Union. All Rights Reserved.
英文关键词	Plants (botany); Canopy dynamics; Carbon cycles; Carbonyl sulfide; Prairie; Terrestrial ecosystems; Water cycle; Sulfur compounds; C4 plant; growing season; inorganic compound; maize; net primary production; paddy field; stomatal conductance; United States; Zea mays
语种	英语
来源期刊	Geophysical Research Letters
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/170536
作者单位	Department of Earth and Environmental Sciences, University of Illinois at Chicago, Chicago, IL, United States; Environmental Science Division, Argonne National Laboratory, Lemont, IL, United States; Department of Environmental Sciences, Rutgers University, New Brunswick, NJ, United States; School of Integrative Biology, University of Illinois, Urbana, IL, United States; Global Change and Photosynthesis Research Unit, USDA-ARS, Urbana, IL, United States; Atmospheric Turbulence and Diffusion Division, National Oceanic and Atmospheric Administration, Silver Spring, MD, United States
推荐引用方式 GB/T 7714	Berkelhammer M.,Alsip B.,Matamala R.,et al. Seasonal Evolution of Canopy Stomatal Conductance for a Prairie and Maize Field in the Midwestern United States from Continuous Carbonyl Sulfide Fluxes[J],2020,47(6).
APA	Berkelhammer M..,Alsip B..,Matamala R..,Cook D..,Whelan M.E..,...&Meyers T..(2020).Seasonal Evolution of Canopy Stomatal Conductance for a Prairie and Maize Field in the Midwestern United States from Continuous Carbonyl Sulfide Fluxes.Geophysical Research Letters,47(6).
MLA	Berkelhammer M.,et al."Seasonal Evolution of Canopy Stomatal Conductance for a Prairie and Maize Field in the Midwestern United States from Continuous Carbonyl Sulfide Fluxes".Geophysical Research Letters 47.6(2020).