Intermediate Aerosol Loading Enhances Photosynthetic Activity of Croplands

doi:10.1029/2020GL091893

	Intermediate Aerosol Loading Enhances Photosynthetic Activity of Croplands
	Wang, Xin 1; Wang, Chengzhang 1; Wu, Jin 2; Miao, Guofang 3; Chen, Min 4; Chen, Shuli 5; Wang, Songhan 6; Guo, Zhengfei 2; Wang, Zhenhua 1; Wang, Bin 1; Li, Jing 1; Zhao, Yujin ; Wu, Xiaolin 7; Zhao, Chuanfeng 7; Lin, Weili 8; Zhang, Yongguang 6; Liu, Lingli1
	2021
发表期刊	GEOPHYSICAL RESEARCH LETTERS
ISSN	0094-8276
卷号	48 期号:7
摘要	Aerosols can affect crop photosynthesis by altering radiation and meteorological conditions. By combining field observations, mechanistic modeling, and satellite-retrieved solar-induced chlorophyll fluorescence (SIF), we assessed aerosols' impacts on crop photosynthesis from leaf to regional scale. We found that the initial increase in aerosol optical depth (AOD) enhanced photosynthesis of sun leaves, shade leaves, and canopy, which reached their maximum at AOD = 0.76, 1.13, and 0.93, respectively, and then decreased. Aerosol-induced changes in radiation regime and the concurrent high relative humidity led to such nonlinear responses. Similarly, the SIF of croplands in the North China Plain (NCP) also showed a bell-shaped response to aerosols. The optimal AOD level at which SIF reached the maximum value varied from 0.56 to 1.04, depending on the background meteorological conditions. Approximately 76%-90% of the NCP exceeded the optimal AOD level, suggesting that stringent aerosol pollution control could promote cropland productivity in this region.
关键词	Aerosol loading diffuse radiation photosynthesis relative humidity (RH) solar‐ induced chlorophyll fluorescence (SIF) total radiation
学科领域	Geosciences, Multidisciplinary
DOI	10.1029/2020GL091893
收录类别	SCI
语种	英语
WOS关键词	NET ECOSYSTEM EXCHANGE ; LIGHT-USE EFFICIENCY ; DIFFUSE-RADIATION ; ATMOSPHERIC PARTICLES ; PLANT PRODUCTIVITY ; CARBON ; IMPACT ; LEAVES ; MODEL ; ASSIMILATION
WOS研究方向	Science Citation Index Expanded (SCI-EXPANDED)
WOS记录号	WOS:000641974600082
出版者	AMER GEOPHYSICAL UNION
文献子类	Article
出版地	WASHINGTON
EISSN	1944-8007
资助机构	Chinese National Key Development Program for Basic Research [2019YFA0607302] ; Strategic Priority Research Program of the Chinese Academy of Science [XDA23080301] ; National Natural Science Foundation of China [31600389, 31670478, 31988102, 31522011] ; Youth Innovation Promotion Association of the Chinese Academy of Science [2020082]
作者邮箱	lingli.liu@ibcas.ac.cn
引用统计	被引频次：24[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.ibcas.ac.cn/handle/2S10CLM1/26787
专题	植被与环境变化国家重点实验室
作者单位	1.Chinese Acad Sci, Inst Bot, Stale Key Lab Vegetat & Environm Change, Beijing, Peoples R China 2.Univ Chinese Acad Sci, Beijing, Peoples R China 3.Univ Hong Kong, Sch Biol Sci, Hong Kong, Peoples R China 4.Fujian Normal Univ, Sch Geog Sci, Fuzhou, Peoples R China 5.Pacific Northwest Natl Lab, Joint Global Change Res Inst, College Pk, MD USA 6.Univ Arizona, Dept Ecol & Evolutionary Biol, Tucson, AZ USA 7.Nanjing Univ, Int Inst Earth Syst Sci, Nanjing, Peoples R China 8.Beijing Normal Univ, Coll Global Change & Earth Syst Sci, State Key Lab Earth Surface Proc & Resource Ecol, Beijing, Peoples R China 9.Minzu Univ China, Coll Life & Environm Sci, Beijing, Peoples R China
推荐引用方式 GB/T 7714	Wang, Xin,Wang, Chengzhang,Wu, Jin,et al. Intermediate Aerosol Loading Enhances Photosynthetic Activity of Croplands[J]. GEOPHYSICAL RESEARCH LETTERS,2021,48(7).
APA	Wang, Xin.,Wang, Chengzhang.,Wu, Jin.,Miao, Guofang.,Chen, Min.,...&Liu, Lingli.(2021).Intermediate Aerosol Loading Enhances Photosynthetic Activity of Croplands.GEOPHYSICAL RESEARCH LETTERS,48(7).
MLA	Wang, Xin,et al."Intermediate Aerosol Loading Enhances Photosynthetic Activity of Croplands".GEOPHYSICAL RESEARCH LETTERS 48.7(2021).

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