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Anthropogenic Perturbations to the Atmospheric Molybdenum Cycle
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2021
Source: Global Biogeochemical Cycles, 35(2)
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Journal Title:Global Biogeochemical Cycles
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Description: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
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Source:Global Biogeochemical Cycles, 35(2)
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ISSN:0886-6236;1944-9224;
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Rights Information:Other
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Compliance:Library
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