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Global Phosphorus Losses from Croplands under Future Precipitation Scenarios
Liu, Wenfeng1,12; Ciais, Philippe1; Liu, Xingcai2,3; Yang, Hong2,4; Hoekstra, Arjen Y.5,6; Tang, Qiuhong3,7; Wang, Xuhui1,8; Li, Xiaodong9; Cheng, Lei10,11
2020-11-17
Source PublicationENVIRONMENTAL SCIENCE & TECHNOLOGY
ISSN0013-936X
Volume54Issue:22Pages:14761-14771
Corresponding AuthorLiu, Wenfeng(wfliu2012@gmail.com)
AbstractPhosphorus (P) losses from fertilized croplands to inland water bodies cause serious environmental problems. During wet years, high precipitation disproportionately contributes to P losses. We combine simulations of a gridded crop model and outputs from a number of hydrological and climate models to assess global impacts of changes in precipitation regimes on P losses during the 21st century. Under the baseline climate during 1991-2010, median P losses are 2.7 +/- 0.5 kg P ha(-1) year(-1) over global croplands of four major crops, while during wet years, P losses are 3.6 +/- 0.7 kg P ha(-1) year(-1). By the end of this century, P losses in wet years would reach 4.2 +/- 1.0 (RCP2.6) and 4.7 +/- 1.3 (RCP8.5) kg P ha(-1) year(-1) due to increases in high annual precipitation alone. The increases in P losses are the highest (up to 200%) in the arid regions of Middle East, Central Asia, and northern Africa. Consequently, in three quarters of the world's river basins, representing about 40% of total global runoff and home up to 7 billion people, P dilution capacity of freshwater could be exceeded due to P losses from croplands by the end of this century.
DOI10.1021/acs.est.0c03978
Indexed BySCI
Language英语
Funding ProjectSwiss National Science Foundation[P2EZP2_175096] ; French State Aid[ANR-16-CONV-0003] ; European Research Council Synergy project[SyG-2013-610028] ; Open Fund Research project by the State Key Laboratory of Hydraulics and Mountain River Engineering (Sichuan University)[SKHL1709] ; Strategic Priority Research Program of Chinese Academy of Sciences[XDA20060402] ; National Natural Science Foundation of China[41790424]
Funding OrganizationSwiss National Science Foundation ; French State Aid ; European Research Council Synergy project ; Open Fund Research project by the State Key Laboratory of Hydraulics and Mountain River Engineering (Sichuan University) ; Strategic Priority Research Program of Chinese Academy of Sciences ; National Natural Science Foundation of China
WOS Research AreaEngineering ; Environmental Sciences & Ecology
WOS SubjectEngineering, Environmental ; Environmental Sciences
WOS IDWOS:000592863400063
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/136649
Collection中国科学院地理科学与资源研究所
Corresponding AuthorLiu, Wenfeng
Affiliation1.Univ Paris Saclay, Lab Sci Climat & Environm, LSCE IPSL, CEA CNRS UVSQ, F-91191 Gif Sur Yvette, France
2.Eawag, Swiss Fed Inst Aquat Sci & Technol, CH-8600 Dubendorf, Switzerland
3.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Water Cycle & Related Land Surface Proc, Beijing 100101, Peoples R China
4.Univ Basel, Dept Environm Sci, MGU, CH-4003 Basel, Switzerland
5.Univ Twente, Twente Water Ctr, NL-7522 NB Enschede, Netherlands
6.Natl Univ Singapore, Lee Kuan Yew Sch Publ Policy, Inst Water Policy, Singapore 259772, Singapore
7.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
8.Peking Univ, Coll Urban & Environm Sci, Beijing 100871, Peoples R China
9.Sichuan Univ, State Key Lab Hydraul & Mt River Engn, Chengdu 610065, Peoples R China
10.Wuhan Univ, State Key Lab Water Resources & Hydropower Engn S, Wuhan 430072, Peoples R China
11.Hubei Prov Collaborat Innovat Ctr Water Resources, Wuhan 430072, Peoples R China
12.China Agr Univ, Coll Water Resources & Civil Engn, Beijing 100083, Peoples R China
Recommended Citation
GB/T 7714
Liu, Wenfeng,Ciais, Philippe,Liu, Xingcai,et al. Global Phosphorus Losses from Croplands under Future Precipitation Scenarios[J]. ENVIRONMENTAL SCIENCE & TECHNOLOGY,2020,54(22):14761-14771.
APA Liu, Wenfeng.,Ciais, Philippe.,Liu, Xingcai.,Yang, Hong.,Hoekstra, Arjen Y..,...&Cheng, Lei.(2020).Global Phosphorus Losses from Croplands under Future Precipitation Scenarios.ENVIRONMENTAL SCIENCE & TECHNOLOGY,54(22),14761-14771.
MLA Liu, Wenfeng,et al."Global Phosphorus Losses from Croplands under Future Precipitation Scenarios".ENVIRONMENTAL SCIENCE & TECHNOLOGY 54.22(2020):14761-14771.
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