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dc.contributor.author
Wong, Michelle Y.
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Rathod, Sagar D.
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Marino, Roxanne
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Li, Longlei
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Howarth, Robert W.
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Alastuey, Andres
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Alaimo, Maria Grazia
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Barraza, Francisco
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Carneiro, Manuel Castro
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Chellam, Shankararaman
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Chen, Yu Cheng
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Cohen, David D.
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Connelly, David
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Dongarra, Gaetano
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Gómez, Darió
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Hand, Jenny
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Harrison, R.M.
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Hopke, Philip K.
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Hueglin, Christoph
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Kuang, Yuan Wen
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Lambert, Fabrice
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Liang, James
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Losno, Remi
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Maenhaut, Willy
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Milando, Chad
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Monteiro, Maria Inês Couto
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Morera Gómez, Yasser
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Querol, Xavier
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Rodríguez, Sergio
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Smichowski, Patricia Nora
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Varrica, Daniela
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Xiao, Yi Hua
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Xu, Yangjunjie
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Mahowald, Natalie M.
dc.date.available
2023-09-11T14:42:39Z
dc.date.issued
2021-02
dc.identifier.citation
Wong, Michelle Y.; Rathod, Sagar D.; Marino, Roxanne; Li, Longlei; Howarth, Robert W.; et al.; Anthropogenic Perturbations to the Atmospheric Molybdenum Cycle; American Geophysical Union; Global Biogeochemical Cycles; 35; 2; 2-2021; 1-25
dc.identifier.issn
0886-6236
dc.identifier.uri
http://hdl.handle.net/11336/211102
dc.description.abstract
Molybdenum (Mo) is a key cofactor in enzymes used for nitrogen (N) fixation and nitrate reduction, and the low availability of Mo can constrain N inputs, affecting ecosystem productivity. Natural atmospheric Mo aerosolization and deposition from sources such as desert dust, sea-salt spray, and volcanoes can affect ecosystem function across long timescales, but anthropogenic activities such as combustion, motor vehicles, and agricultural dust have accelerated the natural Mo cycle. Here we combined a synthesis of global atmospheric concentration observations and modeling to identify and estimate anthropogenic sources of atmospheric Mo. To project the impact of atmospheric Mo on terrestrial ecosystems, we synthesized soil Mo data and estimated the global distribution of soil Mo using two approaches to calculate turnover times. We estimated global emissions of atmospheric Mo in aerosols (<10 μm in diameter) to be 23 Gg Mo yr−1, with 40%–75% from anthropogenic sources. We approximated that for the top meter of soil, Mo turnover times range between 1,000 and 1,000,000 years. In some industrialized regions, anthropogenic inputs have enhanced Mo deposition 100-fold, lowering the soil Mo turnover time considerably. Our synthesis of global observational data, modeling, and a mass balance comparison with riverine Mo exports suggest that anthropogenic activity has greatly accelerated the Mo cycle, with potential to influence N-limited ecosystems.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
American Geophysical Union
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
AEROSOL DEPOSITION
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NITROGEN FIXATION
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NITROGENASE
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NUTRIENT LIMITATION
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PARTICULATE MATTER
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Ciencias Medioambientales
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Ciencias de la Tierra y relacionadas con el Medio Ambiente
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CIENCIAS NATURALES Y EXACTAS
dc.title
Anthropogenic Perturbations to the Atmospheric Molybdenum Cycle
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2023-08-07T12:24:40Z
dc.journal.volume
35
dc.journal.number
2
dc.journal.pagination
1-25
dc.journal.pais
Estados Unidos
dc.journal.ciudad
Washington
dc.description.fil
Fil: Wong, Michelle Y.. Cornell University; Estados Unidos. Cary Institute of Ecosystem Studies; Estados Unidos
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Fil: Rathod, Sagar D.. State University of Colorado - Fort Collins; Estados Unidos
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Fil: Marino, Roxanne. Cornell University; Estados Unidos
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Fil: Li, Longlei. Cornell University; Estados Unidos
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Fil: Howarth, Robert W.. Cornell University; Estados Unidos
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Fil: Alastuey, Andres. Institute of Environmental Assessment and Water Research; España
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Fil: Alaimo, Maria Grazia. Università degli Studi di Palermo; Italia
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Fil: Barraza, Francisco. University of Otago; Nueva Zelanda
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Fil: Carneiro, Manuel Castro. Ministerio de Ciencia, Tecnologia E Innovacao. Centro de Tecnologia Mineral de Rio de Janeiro.; Brasil
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Fil: Chellam, Shankararaman. Texas A&M University; Estados Unidos
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Fil: Chen, Yu Cheng. National Health Research Institutes; China
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Fil: Cohen, David D.. Australian Nuclear Science And Technology Organisation; Australia
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Fil: Connelly, David. Cornell University; Estados Unidos
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Fil: Dongarra, Gaetano. Università degli Studi di Palermo; Italia
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Fil: Gómez, Darió. Comisión Nacional de Energía Atómica; Argentina
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Fil: Hand, Jenny. State University of Colorado - Fort Collins; Estados Unidos
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Fil: Harrison, R.M.. King Abdulaziz University; Arabia Saudita. The University Of Birmingham (tub);
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Fil: Hopke, Philip K.. Rochester Institute of Technology; Estados Unidos. Clarkson University; Estados Unidos
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Fil: Hueglin, Christoph. Swiss Federal Laboratories for Materials Science and Technology; Suiza
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Fil: Kuang, Yuan Wen. Chinese Academy of Sciences; República de China
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Fil: Lambert, Fabrice. Universidad de Chile; Chile. Pontificia Universidad Católica de Chile; Chile
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Fil: Liang, James. Clarkson University; Estados Unidos
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Fil: Losno, Remi. Universite de Paris; Francia
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Fil: Maenhaut, Willy. University of Ghent; Bélgica
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Fil: Milando, Chad. Boston University; Estados Unidos
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Fil: Monteiro, Maria Inês Couto. Ministerio de Ciencia, Tecnologia E Innovacao. Centro de Tecnologia Mineral de Rio de Janeiro.; Brasil
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Fil: Morera Gómez, Yasser. Centro de Estudios Ambientales de Cienfuegos; Cuba
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Fil: Querol, Xavier. Institute of Environmental Assessment and Water Research; España
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Fil: Rodríguez, Sergio. Consejo Superior de Investigaciones Cientificas. Instituto de Productos Naturales y Agrobiologia.; España. Consejo Superior de Investigaciones Científicas. Estación Experimental de Zonas Aridas; España. Izaña Atmospheric Research Centre; España
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Fil: Smichowski, Patricia Nora. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Comisión Nacional de Energía Atómica; Argentina
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Fil: Varrica, Daniela. Università degli Studi di Palermo; Italia
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Fil: Xiao, Yi Hua. Chinese Academy of Forestry; China
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Fil: Xu, Yangjunjie. Universite de Paris; Francia
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Fil: Mahowald, Natalie M.. Cornell University; Estados Unidos
dc.journal.title
Global Biogeochemical Cycles
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2020GB006787
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.1029/2020GB006787
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