globalchange  > 影响、适应和脆弱性
DOI: 10.1111/gcb.13823
Scopus记录号: 2-s2.0-85027501093
论文题名:
The role of plant phenology in stomatal ozone flux modeling
作者: Anav A.; Liu Q.; De Marco A.; Proietti C.; Savi F.; Paoletti E.; Piao S.
刊名: Global Change Biology
ISSN: 13541013
出版年: 2018
卷: 24, 期:1
起始页码: 235
结束页码: 248
语种: 英语
英文关键词: dormancy date ; green-up date ; ozone ; phytotoxic ozone dose ; risk assessment ; stomatal conductance
Scopus关键词: dormancy ; modeling ; ozone ; phenology ; plant ; risk assessment ; stomatal conductance ; Europe
英文摘要: Plant phenology plays a pivotal role in the climate system as it regulates the gas exchange between the biosphere and the atmosphere. The uptake of ozone by forest is estimated through several meteorological variables and a specific function describing the beginning and the termination of plant growing season; actually, in many risk assessment studies, this function is based on a simple latitude and topography model. In this study, using two satellite datasets, we apply and compare six methods to estimate the start and the end dates of the growing season across a large region covering all Europe for the year 2011. Results show a large variability between the green-up and dormancy dates estimated using the six different methods, with differences greater than one month. However, interestingly, all the methods display a common spatial pattern in the uptake of ozone by forests with a marked change in the magnitude, up to 1.9 TgO3/year, and corresponding to a difference of 25% in the amount of ozone that enters the leaves. Our results indicate that improved estimates of ozone fluxes require a better representation of plant phenology in the models used for O3 risk assessment. © 2017 John Wiley & Sons Ltd
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/110601
Appears in Collections:影响、适应和脆弱性
气候变化事实与影响

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作者单位: College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter, United Kingdom; Institute of Sustainable Plant Protection, National Research Council, Sesto Fiorentino, Italy; Sino-French Institute for Earth System Science, College of Urban and Environmental Sciences, Peking University, Beijing, China; Italian National Agency for New Technologies, Energy and the Environment (ENEA), C.R. Casaccia, S. Maria di Galeria, Italy; Council for Agricultural Research and Agricultural Economy Analysis (CREA) - Research Centre for the Soil-Plant System, Rome, Italy

Recommended Citation:
Anav A.,Liu Q.,De Marco A.,et al. The role of plant phenology in stomatal ozone flux modeling[J]. Global Change Biology,2018-01-01,24(1)
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