Data from: Anthropogenic Perturbations to the Atmospheric Molybdenum Cycle
Wong, Michelle Y.; Rathod, Sagar D.; Howarth, Robert W.; Marino, Roxanne; Alastuey, Andres; Artaxo, Paulo; Barraza, Francisco; Beddow, D.C.S.; Bond, Tami; Chellam, Shankar; Chen, Yu-Cheng; Chen, Ying; Chien, Chia-Te; Cohen, David D.; Connelly, David; Dongarra, Gaetano; Gomez, Dario; Hand, Jenny; Harrison, R.M.; Hopke, Philip; Hueglin, Christoph; Husain, Liaquat; Kuang, Yuan-wen; Lambert, Fabrice; Liang, James; Li, Longleino; Losno, Remi; Maenhaut, Willy; Milando, Chad; Monteiro, Maria Inês Couto; Morera Gómez, Yasser; Paytan, Adina; Prospero, Joesph S.; Querol, Xavier; Rodriguez, Sergio; Smichowski, Patricia; Varrica, Daniela; Xiao, Yi-hua; Xu, Yangjunjie; Mahowald, Natalie M.
Molybdenum (Mo) is an essential trace element that is, important for terrestrial and aquatic ecosystems, as it is required for biological nitrogen fixation and uptake. Mo is carried in particles to the atmosphere from sources such as desert dust, sea spray, and volcanoes resulting in losses and sources to different ecosystems. Atmospheric Mo deposition is essential on long time scales for soils which have lost Mo due to soil weathering, with consequences for nitrogen cycling. Anthropogenic changes to the Mo cycle from combustion, motor vehicles, and agricultural dust, are likely to be large, and have more than doubled sources of Mo to the atmosphere. Locally, anthropogenic changes to Mo in industrialized regions can represent a 100‐fold increase in deposition, and may affect nitrogen cycling in nitrogen‐limited ecosystems. This dataset supports these findings.
We acknowledge the Atkinson Center for funding for this project, and NSF CCF-1522054.
Atmospheric Mo; Biogeochemistry; Aerosols
Wong, M. Y., Rathod, S. D., Marino, R., Li, L., Howarth, R. W., Alastuey, A., et al. (2021). Anthropogenic perturbations to the atmospheric molybdenum cycle. Global Biogeochemical Cycles, 35, e2020GB006787. https://doi.org/10.1029/2020GB006787
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