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ozoneconcentrationsfluxandpotentialeffectonyieldduringwheatgrowthinthenorthwestshandongplainofchina
Zhu Zhilin1; Sun Xiaomin1; Zhao Fenghua1; Meixner Franz X2
2015
Source Publicationjournalofenvironmentalsciences
ISSN1001-0742
Volume34Pages:1
AbstractOzone (O-3) concentration and flux (F-o) were measured using the eddy covariance technique over a wheat field in the Northwest-Shandong Plain of China. The O-3-induced wheat yield loss was estimated by utilizing O-3 exposure-response models. The results showed that: (1) During the growing season (7 March to 7 June, 2012), the minimum (16.1 ppbV) and maximum (53.3 ppbV) mean O-3 concentrations occurred at approximately 6:30 and 16:00, respectively. The mean and maximum of all measured O-3 concentrations were 31.3 and 128.4 ppbV, respectively. The variation of O-3 concentration was mainly affected by solar radiation and temperature. (2) The mean diurnal variation of deposition velocity (V-d) can be divided into four phases, and the maximum occurred at noon (12: 00). Averaged V-d during daytime (6:00-18:00) and nighttime (18:00-6:00) were 0.42 and 0.14 cm/sec, respectively. The maximum of measured V-d was about 1.5 cm/sec. The magnitude of V-d was influenced by the wheat growing stage, and its variation was significantly correlated with both global radiation and friction velocity. (3) The maximum mean Fo appeared at 14:00, and the maximum measured F-o was -33.5 nmol/(m(2).sec). Averaged Fo during daytime and nighttime were -6.9 and -1.5 nmol/(m(2).sec), respectively. (4) Using O-3 exposure-response functions obtained from the USA, Europe, and China, the O-3-induced wheat yield reduction in the district was estimated as 12.9% on average (5.5%-23.3%). Large uncertainties were related to the statistical methods and environmental conditions involved in deriving the exposure-response functions. (C) 2015 The Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences. Published by Elsevier B.V.
Language英语
Funding Project[National Natural Science Foundation of China] ; [National Basic Research Program of China] ; [Institute of Geographic Sciences and Natural Resources Research, CAS] ; [Max Planck Society (Germany)]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/102489
Collection中国科学院地理科学与资源研究所
Affiliation1.中国科学院地理科学与资源研究所
2.Biogeochemistry Department, Max-Planck-Institute for Chemistry
First Author Affilication中国科学院地理科学与资源研究所
Recommended Citation
GB/T 7714
Zhu Zhilin,Sun Xiaomin,Zhao Fenghua,et al. ozoneconcentrationsfluxandpotentialeffectonyieldduringwheatgrowthinthenorthwestshandongplainofchina[J]. journalofenvironmentalsciences,2015,34:1.
APA Zhu Zhilin,Sun Xiaomin,Zhao Fenghua,&Meixner Franz X.(2015).ozoneconcentrationsfluxandpotentialeffectonyieldduringwheatgrowthinthenorthwestshandongplainofchina.journalofenvironmentalsciences,34,1.
MLA Zhu Zhilin,et al."ozoneconcentrationsfluxandpotentialeffectonyieldduringwheatgrowthinthenorthwestshandongplainofchina".journalofenvironmentalsciences 34(2015):1.
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