gchange  > 气候减缓与适应
DOI: 10.1038/ngeo2324
Title:
Significant contribution of combustion-related emissions to the atmospheric phosphorus budget
Author: Wang R.; Balkanski Y.; Boucher O.; Ciais P.; Peñuelas J.; Tao S.
Source Publication: Nature Geoscience
ISSN: 17520894
Indexed By: SCI ; SCI-E
Publishing Year: 2015
Volume: 8, Issue:1
pages begin: 48
pages end: 54
Language: 英语
Scopus Keyword: atmospheric transport ; combustion ; fossil fuel ; global change ; phosphorus cycle ; volcanic eruption
English Abstract: Atmospheric phosphorus fertilizes plants and contributes to Earth's biogeochemical phosphorus cycle. However, calculations of the global budget of atmospheric phosphorus have been unbalanced, with global deposition exceeding estimated emissions from dust and sea-salt transport, volcanic eruptions, biogenic sources and combustion of fossil fuels, biofuels and biomass, the latter of which thought to contribute about 5% of total emissions. Here we use measurements of the phosphorus content of various fuels and estimates of the partitioning of phosphorus during combustion to calculate phosphorus emissions to the atmosphere from all combustion sources. We estimate combustion-related emissions of 1.8 Tg P yr-1, which represent over 50% of global atmospheric sources of phosphorus. Using these estimates in atmospheric transport model simulations, we find that the total global emissions of atmospheric phosphorus (3.5 Tg P yr-1) translate to a depositional sink of 2.7 Tg P yr-1 over land and 0.8 Tg P yr-1 over the oceans. The modelled spatial patterns of phosphorus deposition agree with observations from globally distributed measurement stations, and indicate a near balance of the phosphorus budget. Our finding suggests that the perturbation of the global phosphorus cycle by anthropogenic emissions is larger thanpreviously thought. © 2014 Macmillan Publishers Limited. All rights reserved.
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被引频次[WOS]:296   [查看WOS记录]     [查看WOS中相关记录]
Document Type: 期刊论文
Identifier: http://119.78.100.177/globalchange/handle/2HF3EXSE/106190
Appears in Collections:气候减缓与适应
科学计划与规划

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Affiliation: Laboratoire des Sciences du Climat et de l'Environnement, CNRS, UVSQ, Gif-sur-Yvette, France; Laboratory for Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, Beijing, China; Sino-French Institute for Earth System Science, College of Urban and Environmental Sciences, Peking University, Beijing, China; Laboratoire de Méteórologie Dynamique, CNRS, Université Pierre et Marie Curie, Paris Cedex, France; CSIC, Global Ecology Unit, CEAB-UAB, Catalonia, Spain; CREAF, Cerdanyola Del Vallès, Catalonia, Spain

Recommended Citation:
Wang R.,Balkanski Y.,Boucher O.,et al. Significant contribution of combustion-related emissions to the atmospheric phosphorus budget[J]. Nature Geoscience,2015-01-01,8(1)
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