Search Results - "Global biogeochemical cycles"

Very Strong Atmospheric Methane Growth in the 4 Years 2014–2017: Implications for the Paris Agreement by Nisbet, E. G., Manning, M. R., Dlugokencky, E. J., Fisher, R. E., Lowry, D., Michel, S. E., Myhre, C. Lund, Platt, S. M., Allen, G., Bousquet, P., Brownlow, R., Cain, M., France, J. L., Hermansen, O., Hossaini, R., Jones, A. E., Levin, I., Manning, A. C., Myhre, G., Pyle, J. A., Vaughn, B. H., Warwick, N. J., White, J. W. C.

“…Atmospheric methane grew very rapidly in 2014 (12.7 ± 0.5 ppb/year), 2015 (10.1 ± 0.7 ppb/year), 2016 (7.0 ± 0.7 ppb/year), and 2017 (7.7 ± 0.7 ppb/year), at…”
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Global Estimates of Inorganic Nitrogen Deposition Across Four Decades by Ackerman, Daniel, Millet, Dylan B., Chen, Xin

“…Atmospheric deposition of inorganic nitrogen is critical to the function of ecosystems and elemental cycles. During the industrial period, humans have doubled…”
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Global and regional fluxes of carbon from land use and land cover change 1850–2015 by Houghton, R. A., Nassikas, Alexander A.

“…The net flux of carbon from land use and land cover change (LULCC) is an important term in the global carbon balance. Here we report a new estimate of annual…”
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Rising atmospheric methane: 2007–2014 growth and isotopic shift by Nisbet, E. G., Dlugokencky, E. J., Manning, M. R., Lowry, D., Fisher, R. E., France, J. L., Michel, S. E., Miller, J. B., White, J. W. C., Vaughn, B., Bousquet, P., Pyle, J. A., Warwick, N. J., Cain, M., Brownlow, R., Zazzeri, G., Lanoisellé, M., Manning, A. C., Gloor, E., Worthy, D. E. J., Brunke, E.‐G., Labuschagne, C., Wolff, E. W., Ganesan, A. L.

“…From 2007 to 2013, the globally averaged mole fraction of methane in the atmosphere increased by 5.7 ± 1.2 ppb yr−1. Simultaneously, δ13CCH4 (a measure of the…”
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Quantifying the Carbon Export and Sequestration Pathways of the Ocean's Biological Carbon Pump by Nowicki, Michael, DeVries, Tim, Siegel, David A.

“…The ocean's biological carbon pump transfers carbon from the surface ocean to the deep ocean by several distinct pathways, including gravitational settling of…”
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Toward more realistic projections of soil carbon dynamics by Earth system models by Luo, Yiqi, Ahlström, Anders, Allison, Steven D., Batjes, Niels H., Brovkin, Victor, Carvalhais, Nuno, Chappell, Adrian, Ciais, Philippe, Davidson, Eric A., Finzi, Adien, Georgiou, Katerina, Guenet, Bertrand, Hararuk, Oleksandra, Harden, Jennifer W., He, Yujie, Hopkins, Francesca, Jiang, Lifen, Koven, Charlie, Jackson, Robert B., Jones, Chris D., Lara, Mark J., Liang, Junyi, McGuire, A. David, Parton, William, Peng, Changhui, Randerson, James T., Salazar, Alejandro, Sierra, Carlos A., Smith, Matthew J., Tian, Hanqin, Todd‐Brown, Katherine E. O., Torn, Margaret, Groenigen, Kees Jan, Wang, Ying Ping, West, Tristram O., Wei, Yaxing, Wieder, William R., Xia, Jianyang, Xu, Xia, Xu, Xiaofeng, Zhou, Tao

“…Soil carbon (C) is a critical component of Earth system models (ESMs), and its diverse representations are a major source of the large spread across models in…”
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Decadal variations and trends of the global ocean carbon sink by Landschützer, Peter, Gruber, Nicolas, Bakker, Dorothee C. E.

“…We investigate the variations of the ocean CO2 sink during the past three decades using global surface ocean maps of the partial pressure of CO2 reconstructed…”
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Methane and Nitrous Oxide Emissions Complicate Coastal Blue Carbon Assessments by Rosentreter, Judith A., Al‐Haj, Alia N., Fulweiler, Robinson W., Williamson, Phillip

“…The role of coastal wetlands as natural ‘blue carbon’ sinks may be counter‐acted by emissions of methane (CH4) and nitrous oxide (N2O). Site‐specific fluxes of…”
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Two centuries of nitrogen dynamics: Legacy sources and sinks in the Mississippi and Susquehanna River Basins by Van Meter, K. J., Basu, N. B., Van Cappellen, P.

“…Global flows of reactive nitrogen (N) have increased significantly over the last century in response to agricultural intensification and elevated levels of…”
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Reassessing Southern Ocean Air‐Sea CO2 Flux Estimates With the Addition of Biogeochemical Float Observations by Bushinsky, Seth M., Landschützer, Peter, Rödenbeck, Christian, Gray, Alison R., Baker, David, Mazloff, Matthew R., Resplandy, Laure, Johnson, Kenneth S., Sarmiento, Jorge L.

“…New estimates of pCO2 from profiling floats deployed by the Southern Ocean Carbon and Climate Observations and Modeling (SOCCOM) project have demonstrated the…”
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Asymmetric Impacts of Diurnal Warming on Vegetation Carbon Sequestration of Marshes in the Qinghai Tibet Plateau by Shen, Xiangjin, Liu, Yiwen, Zhang, Jiaqi, Wang, Yanji, Ma, Rong, Liu, Binhui, Lu, Xianguo, Jiang, Ming

“…As the world's Third Pole, the Qinghai‐Tibet Plateau has a large area of marshes, which plays an important role in global carbon cycle. The net primary…”
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Quantifying Nutrient Budgets for Sustainable Nutrient Management by Zhang, X., Davidson, E. A., Zou, T., Lassaletta, L., Quan, Z., Li, T., Zhang, W.

“…Nutrients, such as nitrogen and phosphorus, provide vital support for human life, but overloading nutrients to the Earth system leads to environmental…”
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Carbon Budget of Tidal Wetlands, Estuaries, and Shelf Waters of Eastern North America by Najjar, R. G., Herrmann, M., Alexander, R., Boyer, E. W., Burdige, D. J., Butman, D., Cai, W.‐J., Canuel, E. A., Chen, R. F., Friedrichs, M. A. M., Feagin, R. A., Griffith, P. C., Hinson, A. L., Holmquist, J. R., Hu, X., Kemp, W. M., Kroeger, K. D., Mannino, A., McCallister, S. L., McGillis, W. R., Mulholland, M. R., Pilskaln, C. H., Salisbury, J., Signorini, S. R., St‐Laurent, P., Tian, H., Tzortziou, M., Vlahos, P., Wang, Z. A., Zimmerman, R. C.

“…Carbon cycling in the coastal zone affects global carbon budgets and is critical for understanding the urgent issues of hypoxia, acidification, and tidal…”
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Deep Chlorophyll Maxima in the Global Ocean: Occurrences, Drivers and Characteristics by Cornec, M., Claustre, H., Mignot, A., Guidi, L., Lacour, L., Poteau, A., D'Ortenzio, F., Gentili, B., Schmechtig, C.

“…Stratified oceanic systems are characterized by the presence of a so‐called Deep Chlorophyll a Maximum (DCM) not detectable by ocean color satellites. A DCM…”
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Evolution of the Global Carbon Cycle and Climate Regulation on Earth by Isson, T. T., Planavsky, N. J., Coogan, L. A., Stewart, E. M., Ague, J. J., Bolton, E. W., Zhang, S., McKenzie, N. R., Kump, L. R.

“…The existence of stabilizing feedbacks within Earth's climate system is generally thought to be necessary for the persistence of liquid water and life. Over…”
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Blue Carbon Storage Capacity of Temperate Eelgrass (Zostera marina) Meadows by Röhr, Maria Emilia, Holmer, Marianne, Baum, Julia K., Björk, Mats, Boyer, Katharyn, Chin, Diana, Chalifour, Lia, Cimon, Stephanie, Cusson, Mathieu, Dahl, Martin, Deyanova, Diana, Duffy, J. Emmet, Eklöf, Johan S., Geyer, Julie K., Griffin, John N., Gullström, Martin, Hereu, Clara M., Hori, Masakazu, Hovel, Kevin A., Hughes, A. Randall, Jorgensen, Pablo, Kiriakopolos, Stephanie, Moksnes, Per‐Olav, Nakaoka, Masahiro, O'Connor, Mary I., Peterson, Bradley, Reiss, Katrin, Reynolds, Pamela L., Rossi, Francesca, Ruesink, Jennifer, Santos, Rui, Stachowicz, John J., Tomas, Fiona, Lee, Kun‐Seop, Unsworth, Richard K. F., Boström, Christoffer

“…Despite the importance of coastal ecosystems for the global carbon budgets, knowledge of their carbon storage capacity and the factors driving variability in…”
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Amazon forest response to repeated droughts by Feldpausch, T. R., Phillips, O. L., Brienen, R. J. W., Gloor, E., Lloyd, J., Lopez‐Gonzalez, G., Monteagudo‐Mendoza, A., Malhi, Y., Alarcón, A., Álvarez Dávila, E., Alvarez‐Loayza, P., Andrade, A., Aragao, L. E. O. C., Arroyo, L., Aymard C., G. A., Baker, T. R., Baraloto, C., Barroso, J., Bonal, D., Castro, W., Chama, V., Chave, J., Domingues, T. F., Fauset, S., Groot, N., Honorio Coronado, E., Laurance, S., Laurance, W. F., Lewis, S. L., Licona, J. C., Marimon, B. S., Marimon‐Junior, B. H., Mendoza Bautista, C., Neill, D. A., Oliveira, E. A., Oliveira dos Santos, C., Pallqui Camacho, N. C., Pardo‐Molina, G., Prieto, A., Quesada, C. A., Ramírez, F., Ramírez‐Angulo, H., Réjou‐Méchain, M., Rudas, A., Saiz, G., Salomão, R. P., Silva‐Espejo, J. E., Silveira, M., Steege, H., Stropp, J., Terborgh, J., Thomas‐Caesar, R., Heijden, G. M. F., Vásquez Martinez, R., Vilanova, E., Vos, V. A.

“…The Amazon Basin has experienced more variable climate over the last decade, with a severe and widespread drought in 2005 causing large basin‐wide losses of…”
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Explicitly representing soil microbial processes in Earth system models by Wieder, William R., Allison, Steven D., Davidson, Eric A., Georgiou, Katerina, Hararuk, Oleksandra, He, Yujie, Hopkins, Francesca, Luo, Yiqi, Smith, Matthew J., Sulman, Benjamin, Todd-Brown, Katherine, Wang, Ying-Ping, Xia, Jianyang, Xu, Xiaofeng

“…Microbes influence soil organic matter decomposition and the long‐term stabilization of carbon (C) in soils. We contend that by revising the representation of…”
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Recent variability of the global ocean carbon sink by Landschützer, P., Gruber, N., Bakker, D. C. E., Schuster, U.

“…We present a new observation‐based estimate of the global oceanic carbon dioxide (CO2) sink and its temporal variation on a monthly basis from 1998 through…”
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How well do global ocean biogeochemistry models simulate dissolved iron distributions? by Tagliabue, Alessandro, Aumont, Olivier, DeAth, Ros, Dunne, John P., Dutkiewicz, Stephanie, Galbraith, Eric, Misumi, Kazuhiro, Moore, J. Keith, Ridgwell, Andy, Sherman, Elliot, Stock, Charles, Vichi, Marcello, Völker, Christoph, Yool, Andrew

“…Numerical models of ocean biogeochemistry are relied upon to make projections about the impact of climate change on marine resources and test hypotheses…”
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