Biogeosciences
Biogeosciences
BG

Preprints

The following lists only preprints without a corresponding final revised paper.
22 Jul 2026
Late Holocene evolution of a dystrophic Tatra Lake: natural trophic changes revealed by multi-proxy data
Elwira Sienkiewicz, Karolina Kaucha, Michał Gąsiorowski, Urszula Kowalewska, and Michał Słowiński
EGUsphere, https://doi.org/10.5194/egusphere-2026-4131, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
22 Jul 2026
Reviews and syntheses: Experimental evidence of phytoplankton responses to Ocean Alkalinity Enhancement
Sara Groppelli and Daniela Basso
EGUsphere, https://doi.org/10.5194/egusphere-2026-4055, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
22 Jul 2026
Biological modulation of shell δ13C in Mytilus galloprovincialis and Phorcus sp.: Divergent responses between CO2 vents and laboratory mesocosms
Annalisa Capasso, Claudia Agnini, Ilaria D'Aniello, Giacomo De Angelis, Maria G. Marin, Marco Munari, Simone Rocca, and Valerio Matozzo
EGUsphere, https://doi.org/10.5194/egusphere-2026-4016, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
22 Jul 2026
Technical note: Soil MIR-FTIR spectral signatures reveal a measurable link to soil greenhouse gas flux potential
Aldis Butlers, Zaiga Anna Zvaigzne, Arta Bārdule, Josep Peñuelas, Andis Lazdiņš, José-Miguel Sánchez-Pérez, Laure Gandois, Noémie Carles, Romain Darnajoux, Parvez Rana, Kaido Soosaar, Julien Tournebize, Jauhiainen Jyrki, Tuula Larmola, Muhammad Kamil-Sardar, Thomas Schindler, Laura Escarmena, Nerea Parada-Reverter, Sílvia Poblador, Francesc Sabater, and Tom De Dobbelaer
EGUsphere, https://doi.org/10.5194/egusphere-2026-3623, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
22 Jul 2026
The Implications of Microbial Functional Diversity on the Response of Soil Organic Matter Decomposition to Nitrogen Fertilization: A Theoretical Model
Jeth G. Walkup, Tanner S. Hoffman, Ember M. Morrissey, Chansotheary Dang, and Edward R. Brzostek
EGUsphere, https://doi.org/10.5194/egusphere-2026-3566, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
21 Jul 2026
Spatiotemporal Shifts in Organic Carbon Sources in Cascade Reservoirs – a case study in the Lancang River
Huimin Sun, Xudong Zhou, Bingcan Jiang, Yuqing Lin, Yuchen Chen, and Xingcheng Yan
EGUsphere, https://doi.org/10.5194/egusphere-2026-3912, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
21 Jul 2026
Chlorophyll–particle backscattering displacement reveals multiple deep chlorophyll maximum structures in the North Pacific
Taketo Hashioka and Maki N. Aita
EGUsphere, https://doi.org/10.5194/egusphere-2026-3910, 2026
Preprint under review for BG (discussion: open, 1 comment)
Short summary
21 Jul 2026
The use of remote sensing for studying environmental changes in a palsa mire zone of Northern Finland in the period 1985–2024
Małgorzata Szczepańska, Sebastian Czapiewski, Magdalena Suchora, and Danuta Szumińska
EGUsphere, https://doi.org/10.5194/egusphere-2026-3763, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
21 Jul 2026
The role of biologically-mediated fragmentation in carbon flux attenuation in a 1-D mechanistic particle model
Aaron Alexander Naidoo-Bagwell, Fanny Monteiro, Nathan Briggs, and Stephanie Henson
EGUsphere, https://doi.org/10.5194/egusphere-2026-3278, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
20 Jul 2026
Contrasting sediment carbon storage and turnover in vegetated littoral and open water habitats of boreal lakes
Max Oliver Aleksi Kankainen, Ana Lúcia Lindroth Dauner, Tuomas Junna, Asko Simojoki, Karoliina Koho, and Tom Jilbert
EGUsphere, https://doi.org/10.5194/egusphere-2026-3899, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
20 Jul 2026
Eddy covariance diverges from inventory and model-based estimates of soil organic carbon stock change across five crop rotations in Belgian cropland
Quentin Beauclaire, Bernard Longdoz, Laura Delhez, Bruna Winck, Benjamin Loubet, Yue Zhou, Marmar Sabetizade, Neo Arquin, Nicolas Saby, and Bernard Heinesch
EGUsphere, https://doi.org/10.5194/egusphere-2026-3840, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
17 Jul 2026
Arctic phytoplankton bloom regimes are associated with distinct dissolved carbohydrate signatures and transparent exopolymer particle (TEP) formation
Sophia Hirschmann, Anabel von Jackowski, Benjamin Pontiller, Katja Metfies, Vasily Povazhnyi, Stefan Neuhaus, Eva-Maria Nöthig, and Anja Engel
EGUsphere, https://doi.org/10.5194/egusphere-2026-4192, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
17 Jul 2026
Tracing terrestrial organic matter dynamics in the subarctic North Pacific using sedimentary ancient DNA metabarcoding
Hongyu Lu, Kathleen R. Stoof-Leichsenring, Josefine Friederike Weiß, Bernhard Diekmann, Heike H. Zimmermann, Lester Lembke-Jene, and Ulrike Herzschuh
EGUsphere, https://doi.org/10.5194/egusphere-2026-3670, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
16 Jul 2026
A process-based framework for national-scale estimation of agricultural soil N₂O emissions under variable climate and management
Andrew Smerald, Hannes Imhof, Edwin Haas, David Kraus, Lioba Martin, Kathrin Fuchs, John Akubia, Ali Sakhaee, Cora Vos, Roland Fuß, Clemens Scheer, and Ralf Kiese
EGUsphere, https://doi.org/10.5194/egusphere-2026-4010, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
15 Jul 2026
A GOSAT-Based Assessment of Interannual Variability in Terrestrial CO₂ Fluxes and Its Hydroclimatic Drivers
Sanam N. Vardag, Sourish Basu, André Butz, and Eva-Marie Metz
EGUsphere, https://doi.org/10.5194/egusphere-2026-4054, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
15 Jul 2026
Chronic environmental radioactivity suppresses microbial diversity and activity in threatened glacier surface ecosystems
Jakub Buda, Edyta Łokas, Sylwia Błażej, Roberto Ambrosini, Kinga Buda, Riccardo Scotti, Krzysztof Gorzkiewicz, Ronald Łaniecki, Artur Trzebny, Francesca Pittino, Olena Nahimova, Arianna Crosta, Michał Bończyk, Krzysztof Samolej, Andrea Franzetti, and Krzysztof Zawierucha
EGUsphere, https://doi.org/10.5194/egusphere-2026-4043, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
15 Jul 2026
Drivers of net community production in the bottom of Arctic pack ice
Rosalie McKay, Zoe Koenig, Polona Itkin, Rolf Gradinger, Christien Laber, Janina Osanen, Sanna Saur Heiland, and Karley Campbell
EGUsphere, https://doi.org/10.5194/egusphere-2026-4031, 2026
Preprint under review for BG (discussion: open, 1 comment)
Short summary
14 Jul 2026
Constraining planktic foraminiferal depth habitats for improved polar and subpolar paleoreconstructions
Caroline A. Miller, Brittany N. Hupp, and Jennifer S. Fehrenbacher
EGUsphere, https://doi.org/10.5194/egusphere-2026-3966, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
14 Jul 2026
Temporal variability of air–sea carbon dioxide exchange in the coastal water of the Baltic Sea
Aki Vähä, Joachim Jansen, Kurt Spence, Joanna Norkko, Alf Norkko, and Ivan Mammarella
EGUsphere, https://doi.org/10.5194/egusphere-2026-3945, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
14 Jul 2026
High temporal resolution in-situ measurement of CO2 fluxes through Arctic shrub-tundra snowpacks
Victoria R. Dutch, Nick Rutter, Muhammad Waqas Khan, Alex Mavrovic, Alexandre Roy, Sevi Modestou, Oliver Sonnentag, Carolina Voigt, Philip Marsh, and Paul J. Mann
EGUsphere, https://doi.org/10.5194/egusphere-2026-3835, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
14 Jul 2026
Performance assessment of the global gross primary productivity datasets over India for climate and ecophysiological applications
Pramit Kumar Deb Burman, Amol Kale, Yogesh K. Tiwari, Suraj Reddy Rodda, Sandipan Mukherjee, Pulakesh Das, Arunima Jayachandran, Dipankar Sarma, Palingamoorthy Gnanamoorthy, Nirmali Gogoi, Somnath Baidya Roy, Ganapati S. Bhat, and Kazuhito Ichii
EGUsphere, https://doi.org/10.5194/egusphere-2026-3597, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
10 Jul 2026
Soil-to-stream export of dissolved organic carbon and its functional composition can be predicted using only widely available data
Katarzyna Sawicka, Edwin C. Rowe, Donald T. Monteith, Amy Pickard, Brian M. Spears, Jennifer Williamson, Annette Burden, Alan Radbourne, Zak Mitchell, Dan J. Lapworth, Christopher A. Yates, Penny J. Johnes, and Christopher D. Evans
EGUsphere, https://doi.org/10.5194/egusphere-2026-3786, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
10 Jul 2026
Ideas and perspectives: Addressing environmental challenges using distributed data generation: From collaborative networks to artificial intelligence-enabled science
Amy E. Goldman, James C. Stegen, Elizabeth T. Borer, Robert Hensley, Allison Myers-Pigg, Mikayla A. Borton, Paytsar Muradyan, Nicholas D. Ward, Jean M. Andino, Andrew D. Richardson, Alexandro B. Leverkus, Christopher S. Lowry, Nate G. McDowell, Kaizad F. Patel, Scott J. Davidson, Brieanne Forbes, Martha R. Downs, W. Robert Bolton, Timothy D. Scheibe, and Avni Malhotra
EGUsphere, https://doi.org/10.5194/egusphere-2026-3537, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
10 Jul 2026
Crop diversification shapes microbial communities and alters carbon-use efficiency across European agricultural soils
Angel Valverde, Erica Lumini, Samuele Voyron, Erich Inselsbacher, Katharina Keiblinger, Julia Schroeder, Annelein Meisner, Anke M. Herrmann, Marjetka Suhadolc, and Beatriz Andreo-Jimenez
EGUsphere, https://doi.org/10.5194/egusphere-2026-3526, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
10 Jul 2026
Plankton resistance and resilience through intervals of extreme Cenozoic climate change
Claire Marie Routledge, Paul R. Bown, Samantha Gibbs, Cherry Newsam, and Sarah Alvarez
EGUsphere, https://doi.org/10.5194/egusphere-2026-3455, 2026
Preprint under review for BG (discussion: open, 1 comment)
Short summary
09 Jul 2026
Asymmetric patterns of soil carbon mineralization during thaw slump recovery: Stable fast-pool size but rebounding decomposition rate
Hanhan Li, Tingan Dai, Danni Luo, Huan Wang, Min Xie, Yu Zhang, and Xuegang Luo
EGUsphere, https://doi.org/10.5194/egusphere-2026-3656, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
07 Jul 2026
Regime-dependent reversal in temporal asymmetry of ecosystem carbon exchange across global biomes
Nikhila Gollakota, Georgianne Moore, Heng Huang, Lamberto Rondoni, Binayak Mohanty, and Salvatore Calabrese
EGUsphere, https://doi.org/10.5194/egusphere-2026-3770, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
07 Jul 2026
Frequent resuspension of glaciomarine coastal sediments as an important source of reactive iron to the West Antarctic Peninsula
Rhiannon L. Jones, Maeve C. Lohan, Tobias Ehmen, Lisa Friberg, Ben Lincoln, Katy Sheen, Siobhan Foden, Katrien Van Landeghem, Kate Retallick, George Dadd, James Scourse, and Amber L. Annett
EGUsphere, https://doi.org/10.5194/egusphere-2026-3712, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
06 Jul 2026
Quantifying rhizosphere priming effects on soil organic matter decomposition in situ in a subarctic ecotone using natural abundance radiocarbon
Louis A. Mielke, Thomas C. Parker, Lorna E. Street, Karina E. Clemmensen, Nina Lindstrom Friggens, Mark H. Garnett, Iain P. Hartley, David Johnson, Jens-Arne Subke, and Philip A. Wookey
EGUsphere, https://doi.org/10.5194/egusphere-2026-3803, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
06 Jul 2026
Exchange fluxes of CO2, CH4, N2O and NO between soil and atmosphere along an ecoclimatic gradient in West African savannas: a missing piece for regional budgets
Moussa Zouré, Claire Delon, Adjon Kouassi, Dominique Serça, Corinne Galy-Lacaux, Sébastien Barot, Money Ossohou, Fulgence Koffi, Seydina Mohamad Ba, Adeola Michael Dahunsi, Xavier Le Roux, Silué Siélé, Ousmane Ndiaye, Océane Lenoir, Eric Gardrat, Maria Dias-Alves, Sarah Konaré, Madina Doumbia, Fabien Solmon, and Hagninou Elagnon Venance Donnou
EGUsphere, https://doi.org/10.5194/egusphere-2026-3592, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
06 Jul 2026
Freshwater forcing along the Indian Coastal Seas: Impacts on Productivity and Acidification
Kunal Madkaiker, Ambarukhana D. Rao, Vimlesh Pant, and Jonathan M. Lauderdale
EGUsphere, https://doi.org/10.5194/egusphere-2026-3223, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
06 Jul 2026
Early leaf senescence reveals drought stress thresholds and mortality risk across temperate forests
Pia Labenski, Allan Buras, Rüdiger Grote, Martin Thurner, and Nadine K. Ruehr
EGUsphere, https://doi.org/10.5194/egusphere-2026-3082, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
06 Jul 2026
A perturbation robustness audit of global landscape-entropy regime classification across grain, subset, bootstrap, threshold, spatial structure, and external ground-truth
Rongzhen Dai and Wei Feng
EGUsphere, https://doi.org/10.5194/egusphere-2026-3020, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
06 Jul 2026
Permafrost thaw reshapes methane cycling across an interior Alaska peatland
Hailey Webb, Clifton P. Bueno de Mesquita, Mario E. Muscarella, Catherine M. Dieleman, Eugénie S. Euskirchen, Evan S. Kane, Jason K. Keller, Steven K. Schmidt, Amanda Stromecki, and Merritt R. Turetsky
EGUsphere, https://doi.org/10.5194/egusphere-2026-2809, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
03 Jul 2026
The open uncertainty window in ocean biogeochemical responses to fossil carbon emissions
Karin Kvale, Ivy Frenger, Julia Getzlaff, Wolfgang Koeve, Iris Kriest, Angela Landolfi, and Andreas Oschlies
EGUsphere, https://doi.org/10.5194/egusphere-2026-3481, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
02 Jul 2026
Proteobacteria Dominance and Neutral Assembly Processes of Bacterial Communities in the Chukchi Sea, Arctic
Li Zhao, Cong Zeng, Ruizhe Guo, Yong Yu, Haitao Ding, Huirong Li, and Wei Luo
EGUsphere, https://doi.org/10.5194/egusphere-2026-3709, 2026
Preprint under review for BG (discussion: open, 1 comment)
Short summary
02 Jul 2026
Resolving agroforestry extent with a sub-meter tree map and high-resolution land-use data across Europe and the Sahel
Ouadya Tahiri, Damien Beillouin, Patrice Dumas, Rémi Prudhomme, and David Makowski
EGUsphere, https://doi.org/10.5194/egusphere-2026-3696, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
02 Jul 2026
Riverine biogeochemistry from the Andes to the ocean: longitudinal patterns along a Mediterranean Andean catchment in central Chile
Morgane Derrien, Simona Retelletti Brogi, Celine Lavergne, Zoé Hayet, Mario Flores, Fernando Lizana, Polette Aguilar-Muñoz, Leo Chasselin, and Chiara Santinelli
EGUsphere, https://doi.org/10.5194/egusphere-2026-3625, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
02 Jul 2026
Temporal evolution of anthropogenic carbon in the Irminger Sea between 2011–2021: from accumulation to stabilization
Rémy Asselot, Virginie Thierry, Lidia I. Carracedo, Herle Mercier, Anton Velo, Raphaël Bajon, and Fiz F. Pérez
External preprint server, https://doi.org/10.22541/essoar.15003488/v1, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
02 Jul 2026
Linking the environmental factors and heterotrophic bacteria to the variability of carbon isotope (δ13C) across crustacean zooplankton in shallow freshwater ecosystems
Wojciech Krztoń, Edward Walusiak, Iwona Gołaś, and Elżbieta Wilk-Woźniak
EGUsphere, https://doi.org/10.5194/egusphere-2026-3444, 2026
Preprint under review for BG (discussion: open, 2 comments)
Short summary
01 Jul 2026
Dispersal dynamics along river corridors modulate impact of climate change on treeline shift in Hengduan Mountain
Linfeng Wei, Jian Ni, Xianyong Cao, and Stefan Kruse
EGUsphere, https://doi.org/10.5194/egusphere-2026-3246, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
01 Jul 2026
Quantifying the Near-term Response of the Ocean CO2 Sink to Emissions Mitigation
Amanda R. Fay, Dustin Carroll, Galen A. McKinley, Nicole S. Lovenduski, Dimitris Menemenlis, and Hong Zhang
EGUsphere, https://doi.org/10.5194/egusphere-2026-2870, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
30 Jun 2026
Biogeochemistry of methane in Arctic waters: A multiyear synthesis (2014–2022) from the North Atlantic-Arctic sector and Barents Sea
Muhammed Fatih Sert, Knut Ola Dølven, Stefan Bünz, Helge Niemann, Giuliana Panieri, Henry Patton, Andreia Plaza-Faverola, Tine L. Rasmussen, Marie Stetzler, Monica Winsborrow, and Bénédicte Ferré
EGUsphere, https://doi.org/10.5194/egusphere-2026-3607, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
30 Jun 2026
Revisiting overflow metabolism and its impact on soil carbon cycling
José Manuel Murúa Royo, Brittni Lin Bertolet, Luciana Chavez Rodriguez, Jeth Walkup, and Steven D. Allison
EGUsphere, https://doi.org/10.5194/egusphere-2026-3590, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
30 Jun 2026
Satellite-based burned area reconstructions in land surface models: impacts on the land carbon cycle
Tim Stripp, Zhixuan Guo, Pierre Friedlingstein, Michael O’Sullivan, Stephen Sitch, Ana Bastos, Philippe Ciais, Jefferson Goncalves de Souza, Akihiko Ito, Wei Li, and Lei Ma
EGUsphere, https://doi.org/10.5194/egusphere-2026-3584, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
30 Jun 2026
Indicator-dependent vegetation trends and interannual variability across Asia–Oceania from NDVI, vegetation optical depth, and model based GPP during 2000–2021
Madoka Koshino, Kazuhito Ichii, Misaki Hase, Daniel Henri, and Beak Munseon
EGUsphere, https://doi.org/10.5194/egusphere-2026-3311, 2026
Preprint under review for BG (discussion: open, 2 comments)
Short summary
29 Jun 2026
Unveiling carbonate dissolution in coastal sediments and its influence on seawater buffering capacity with δ13CDIC and 224Ra–228Th disequilibria
Xinjie Ma, Xiangming Shi, Yingxu Wu, Xiangqi Yi, Biqi Zheng, and Di Qi
EGUsphere, https://doi.org/10.5194/egusphere-2026-3442, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
29 Jun 2026
The role of temperature and salinity on ocean alkalinity enhancement performance
Matias Saez Moreno, Jens Hartmann, Janine Börker, Peggy Bartsch, and Charly Andre Moras
EGUsphere, https://doi.org/10.5194/egusphere-2026-3277, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
26 Jun 2026
Ditches, microtopographical hotspots and hot moments drive greenhouse gas emissions from a clear-felled conifer plantation on an organic soil
Ben Keane, Emanuel Blei, Simon Gibson-Poole, Phil Ineson, James I. L. Morison, Mike Perks, Elena Vanguelova, Matt Wilkinson, Mat Williams, Georgios Xenakis, Sirwan Yamulki, and Sylvia Toet
EGUsphere, https://doi.org/10.5194/egusphere-2026-3659, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
26 Jun 2026
Satellite-derived management indicators improve modeling of water and greenhouse gas fluxes in Swiss agroecosystems
Aolin Jia, Helge Aasen, Lukas Hörtnagl, Iris Feigenwinter, Sélène Ledain, Thomas Lauber, Kukka-Maaria Kohonen, Flavian Tschurr, Lorenz Allemann, Fabio Turco, and Nina Buchmann
EGUsphere, https://doi.org/10.5194/egusphere-2026-3522, 2026
Preprint under review for BG (discussion: open, 1 comment)
Short summary
26 Jun 2026
Taxon-specific coccolithophore carbonate stocks and production across a Pacific trophic gradient from oligotrophic gyre to upwelling zone
Guillaume Lassus, Luc Beaufort, Martine Couapel, and David Mendels
EGUsphere, https://doi.org/10.5194/egusphere-2026-3055, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
25 Jun 2026
Summer oxygen dynamics in the bottom waters of a wide, temperate shelf sea
Xin Meng, Claire Mahaffey, Juliane Wihsgott, and Jonathan Sharples
EGUsphere, https://doi.org/10.5194/egusphere-2026-3505, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
25 Jun 2026
Temporal variability in offshore Fe fluxes in the Peruvian oxygen minimum zone across an El Niño termination
Guanghui Chen, Insa Rapp, Matthias Sieber, Eric P. Achterberg, Tim J. Conway, Martha Gledhill, Mark J. Hopwood, and Ruifang C. Xie
EGUsphere, https://doi.org/10.5194/egusphere-2026-3486, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
24 Jun 2026
Vegetation structure drives carbon dioxide and methane dynamics in adjacent boreal fen and bog ecosystems
Eyrún Gyða Gunnlaugsdóttir, Angelika Kübert, Xuefei Li, Timo Vesala, Aino Korrensalo, Elisa Männistö, Eeva-Stiina Tuittila, Pavel Alekseychik, and Ivan Mammarella
EGUsphere, https://doi.org/10.5194/egusphere-2026-3323, 2026
Preprint under review for BG (discussion: open, 1 comment)
Short summary
24 Jun 2026
Spatial variability of Fe and Mn in surface lake sediments and its implications for paleoredox studies – a case study of Lake Łazduny (Poland)
Maurycy Żarczyński, Dirk Enters, Beata Szymczycha, and Wojciech Tylmann
EGUsphere, https://doi.org/10.5194/egusphere-2026-3312, 2026
Preprint under review for BG (discussion: open, 2 comments)
Short summary
24 Jun 2026
Machine-learning projections of boreal forest gross primary productivity under future climate change
Sandip Varkey George, Cameron F. T. Pope, Stella Jes Varghese, and Ron Sunny
EGUsphere, https://doi.org/10.5194/egusphere-2026-3281, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
24 Jun 2026
Groundwater-Level Response of Annual CO2 Budgets from a Dutch Eddy Covariance Network: Comparison with European Temperate Peatlands across Land Use and Sites
Laurent Bataille, Bart Kruijt, Alexander Buzacott, Wilma Jans, Wietse Franssen, Jan Biermann, Hanne Berghuis, Quint van Giersbergen, Tom Heuts, Reinder Nouta, Niek Bosma, Ron Lootens, Hong Zhao, Merit van den Berg, Ype van de Velde, Christian Fritz, Gilles Erkens, and Ronald Hutjes
EGUsphere, https://doi.org/10.5194/egusphere-2026-3151, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
24 Jun 2026
Cryogenic Fractionation and Thaw-Gradient Reorganization of Carbon, Nutrient and Trace Element Pools in Permafrost Peatlands
Lucia Pérez-Serrano, Sergey V. Loiko, Artem Lim, Laure Gandois, Christine Hatté, Jean-Luc Rols, and Oleg S. Pokrovsky
EGUsphere, https://doi.org/10.5194/egusphere-2026-3058, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
24 Jun 2026
Warming vs. browning: a dual mechanism behind net ecosystem production of shallow brown aquatic systems
Aleksey Paltsev and Isolde Callisto Puts
EGUsphere, https://doi.org/10.5194/egusphere-2026-2970, 2026
Preprint under review for BG (discussion: open, 1 comment)
Short summary
23 Jun 2026
A 3,000-yr lacustrine record of climate and environmental change and their influence on aquatic communities from Andean Puna lakes
Adriana Aránguiz-Acuña, Daniel Pérez, Catalina Aranda, Antonio Maldonado, Joseline Tapia, Héctor Pizarro, Pablo Pérez-Portilla, and Oliver Meseguer-Ruiz
EGUsphere, https://doi.org/10.5194/egusphere-2026-3159, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
23 Jun 2026
The evolution of anthropogenic carbon accumulation in the North Atlantic Ocean: the influence of physical and chemical drivers over the last three decades
Cathy Wimart-Rousseau, Elaine L. McDonagh, and Peter J. Brown
EGUsphere, https://doi.org/10.5194/egusphere-2026-3157, 2026
Preprint under review for BG (discussion: open, 2 comments)
Short summary
23 Jun 2026
Reassessing the Permafrost Carbon Feedback: The Decisive Role of Dynamic Vegetation
Thomas Kleinen, Helena Bergstedt, Philipp de Vrese, Tobias Stacke, and Victor Brovkin
EGUsphere, https://doi.org/10.5194/egusphere-2026-3098, 2026
Preprint under review for BG (discussion: open, 1 comment)
Short summary
23 Jun 2026
A Lagrangian framework to simulate Sargassum transport and growth
Elena Gianotten, Meike F. Bos, Darshika Manral, Fabio Nauer, Erik Zettler, Lina A. Amaral-Zettler, and Erik van Sebille
EGUsphere, https://doi.org/10.5194/egusphere-2026-3097, 2026
Preprint under review for BG (discussion: open, 2 comments)
Short summary
23 Jun 2026
Spatiotemporal variations of carbon-water-hydraulic risk for Pinus tabuliformis L. Plantations on the Loess Plateau under Future Climate Change
Tianqi Guo, Zhongdian Zhang, Rui Liu, Xiaofei Wu, Xinmei Liu, Chenyi Ju, and Mingbin Huang
EGUsphere, https://doi.org/10.5194/egusphere-2026-3094, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
22 Jun 2026
Implementation of regenerative ditch borders in Dutch peat meadows: effects on soil CO2 fluxes and potential carbon trade-offs
Sanne E. Bethe, Mariet M. Hefting, Joao R. Wendrich Teixeira, Matty P. Berg, and James T. Weedon
EGUsphere, https://doi.org/10.5194/egusphere-2026-3155, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
22 Jun 2026
Arctic coastal reactors: Lateral and vertical organic matter dynamics in permafrost lagoons of the western Canadian Arctic
George Tanski, Michael Fritz, Jorien E. Vonk, Jens Strauss, Léo Chassiot, Vladislav Carnero-Bravo, Jade Falardeau, Kostantin Klein, Parick Lajeunesse, Hugues Lantuit, Niek J. Speetjens, Anne de Vernal, Dustin Whalen, and Anna M. Irrgang
EGUsphere, https://doi.org/10.5194/egusphere-2026-2314, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
19 Jun 2026
Lithium isotopes reveal impaired ion transport in tropical corals exposed to high pCO2
Nathalie Vigier, Fanny Thibon, Riccardo Rodolfo Metalpa, Maryline Montanes, Arbia Jouini, Laurent Counillon, Mallorie Poet, Malcolm McCulloch, Clément Tanvet, Philippe Télouk, and Steeve Comeau
EGUsphere, https://doi.org/10.5194/egusphere-2026-3326, 2026
Preprint under review for BG (discussion: open, 2 comments)
Short summary
19 Jun 2026
Lateral Transport Controls Particulate Organic Carbon Stocks and Fluxes in the Baltic Sea
Lucas Porz, Jan Kossack, David Pogorzelski, and Wenyan Zhang
EGUsphere, https://doi.org/10.5194/egusphere-2026-3315, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
19 Jun 2026
Quantifying canopy CO2 storage to improve long-term estimates of net ecosystem carbon exchange in the southern Amazon forest
Bárbara Antonucci, Raoni A. Santana, Nara L. R. Andrade, Eliane Gomes Alves, Santiago Botía, Carla M.A. Souza, Anne C. S. Mendonça, Shujiro Komiya, Denisi H. Hall, Natalia Restrepo-Coupe, Gabriel B. Costa, and Cléo Q. Dias-Júnior
EGUsphere, https://doi.org/10.5194/egusphere-2026-3167, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
18 Jun 2026
Thermal regulation of benthic fluxes in temperate estuaries
Or Mordechay Bialik and Guy Sisma-Ventura
EGUsphere, https://doi.org/10.5194/egusphere-2026-3235, 2026
Preprint under review for BG (discussion: open, 1 comment)
Short summary
18 Jun 2026
From Phaeocystis to Chaetoceros: silicic acid as the primary driver of diatom bloom magnitude in an Arctic mesocosm experiment
Antonia U. Thielecke, Clara J. M. Hoppe, Jeffrey W. Krause, Sarah Lena Eggers, Uwe John, Dave Clarke, Martin Whitehouse, Heejin Jeon, Nicolè Caputo, Francesca Cucchi, Amanda Curtin, and Mar Fernández-Méndez
EGUsphere, https://doi.org/10.5194/egusphere-2026-3186, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
18 Jun 2026
60 years of global air-sea CO2 flux variability
Suki C. K. Wong, Galen A. McKinley, Richard Seager, Tess Wei-Ping Jacobson, Amanda Fay, Özgür Gürses, Nicolas Gruber, Tatiana Ilyina, Tereza Jarnikova, Laure Resplandy, Jörg Schwinger, and Roland Séférian
EGUsphere, https://doi.org/10.5194/egusphere-2026-3104, 2026
Preprint under review for BG (discussion: open, 1 comment)
Short summary
17 Jun 2026
Enrichment of lignin reveals consistent anaerobic degradation and persistent vegetation signatures in the organic matter of diverse lowland tropical peatland profiles
Mike Vreeken, Megan N. Jenkins, Siwei Mai, Rebecca H. Peel, Yiming Zhang, Toby A. Halamka, Amelia Oakeshott, Simon M. K. Cheung, Panteleimon Prokopiou, Sam Rangdale, Jerome Blewett, D. Paola Alarcon Prado, Juan C. Benavides, Frank Kansiime, Ellen Kayendeke, Carol Kagaba Kairumba, B. David A. Naafs, Casey Bryce, Angela V. Gallego-Sala, and Richard D. Pancost
EGUsphere, https://doi.org/10.5194/egusphere-2026-3069, 2026
Preprint under review for BG (discussion: open, 1 comment)
Short summary
16 Jun 2026
Understanding ecosystem gross primary productivity, evapotranspiration, and water use efficiency of maize using ISBA-A-gs land surface model over temperate and tropical semi-arid climates
Syam Chintala, Lionel Jarlan, Vincent Rivalland, Aaron Boone, Oluwakemi Dare-Idowu, Valerie Le Dantec, Gilles Boulet, BVN P. Kambhammettu, and Aurore Brut
EGUsphere, https://doi.org/10.5194/egusphere-2026-3119, 2026
Preprint under review for BG (discussion: open, 2 comments)
Short summary
16 Jun 2026
O2:CO2 exchange ratio and isotopic composition of atmospheric O2 measured using soil chambers, and their application to evaluating enhanced rock weathering and the Dole–Morita effect
Shigeyuki Ishidoya, Takahisa Maeda, Hidehiko Kikuno, Jumpei Fukumasu, Shinya Iwasaki, Sadao Eguchi, Rota Wagai, Kei Asada, Taku Nishimura, Takuhei Yamasaki, Shinji Suzuki, Shohei Murayama, Atsushi Yamamoto, Asaka Hasegawa, Satoshi Sugawara, Shuji Aoki, and Takakiyo Nakazawa
EGUsphere, https://doi.org/10.5194/egusphere-2026-2751, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
15 Jun 2026
Earth hummock soils as hot-spots of atmospheric methane uptake in Arctic tundra: a case study from Qeqertarsuaq, West Greenland
Selina Undeutsch, Claudia Sabine Bruhn, Tino Peplau, Sina Plettemeier, Birgit Grabellus, Susanne Liebner, and Lars Kutzbach
EGUsphere, https://doi.org/10.5194/egusphere-2026-3054, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
15 Jun 2026
Valley-bottom wetland agricultural conversion and recovery shape greenhouse gas dynamics and soil carbon sequestration in an African tropical highland system
Sharon Gubamwoyo, Sonja M. Leitner, Gabriele Weigelhofer, Damaris G. Kisha, Oswald Omuron, Dominik Henrik Zak, Thomas Hein, and Gretchen M. Gettel
EGUsphere, https://doi.org/10.5194/egusphere-2026-3028, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
12 Jun 2026
From surface flux to seafloor function: vertical carbon export and benthic communities in high-latitude coastal systems
Phoebe Acacia Armitage, Marie C. Nordström, Camilla Svensen, Barbara Oleszczuk, Joanna Legeżyńska, Maria Włodarska-Kowalczuk, and Anna Törnroos
EGUsphere, https://doi.org/10.5194/egusphere-2026-3268, 2026
Preprint under review for BG (discussion: open, 1 comment)
Short summary
12 Jun 2026
Old organic matter in temperate forest soils is very nitrogen-rich
Marie Spohn, Carina Josefsson Ortiz, and Carlos A. Sierra
EGUsphere, https://doi.org/10.5194/egusphere-2026-3238, 2026
Preprint under review for BG (discussion: open, 8 comments)
Short summary
12 Jun 2026
Stoichiometric deviation and regulatory mechanisms of AOU-nutrient ratio in the oligotrophic Northwest Pacific Ocean
Detong Tian, Xuegang Li, Jinming Song, Yunping Xu, Feng Zhao, Jun Ma, Shanshan Liu, Muhammad Inayat Ullah Khan, and Weichao Wu
EGUsphere, https://doi.org/10.5194/egusphere-2026-2947, 2026
Preprint under review for BG (discussion: open, 2 comments)
Short summary
12 Jun 2026
Simulating enhanced ocean alkalinity experiments in a high-latitude fjord using nested ROMS simulations coupled with MARBL biogeochemistry
Ulla K. Heede, Matthew C. Long, Alicia Karspeck, Scott Bachman, Nora Loose, Dafydd Stephenson, David T. Ho, Lennart Gerke, Tobias Koffman, Alice Benoit-Cattin, Sara Harðardóttir, and Andreas Macrander
EGUsphere, https://doi.org/10.5194/egusphere-2026-2920, 2026
Preprint under review for BG (discussion: open, 1 comment)
Short summary
12 Jun 2026
Macro constraints and local eutrophication shape sediment nitrogen removal in the Eastern China Plain lakes
Jiahao Wei, Ke Yang, Yaru Liu, Yi Yin, Lachun Wang, Enlou Zhang, Zhijun Gong, and Yongjiu Cai
EGUsphere, https://doi.org/10.5194/egusphere-2026-2818, 2026
Preprint under review for BG (discussion: open, 2 comments)
Short summary
11 Jun 2026
Mineralization Mechanism and Application Potential of Vaterite Induced by Two Bacterial Strains
Xiaofang Li, Wenjun Nie, Zhen Guo, Lin Tang, Fuguo Liu, and Bin Lian
EGUsphere, https://doi.org/10.5194/egusphere-2026-3126, 2026
Preprint under review for BG (discussion: open, 3 comments)
Short summary
11 Jun 2026
Eddy covariance measurements of nitrogen dioxide exchange at a grazed savanna grassland in South Africa
Tamryn Hamilton, Kerneels Jaars, Pieter G. van Zyl, Mika Aurela, Marcellin Adon, Johan P. Beukes, Miroslav Josipovic, Gregor T. Feig, Markku Kulmala, Lauri Laakso, and Ville Vakkari
EGUsphere, https://doi.org/10.5194/egusphere-2026-3066, 2026
Preprint under review for BG (discussion: open, 1 comment)
Short summary
11 Jun 2026
Long term Strengthening of the CO2 Sink and Spatiotemporal pCO2 dynamics in the northern Gulf of Mexico: Insights from a 22 year Satellite based Machine Learning Reconstruction
Zong-Pei Jiang, Fengqin Chen, Wenzhao Liang, Kailang Ma, Chenfeng Le, Yiwen Pan, and Wei-Jun Cai
EGUsphere, https://doi.org/10.5194/egusphere-2026-3034, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
11 Jun 2026
Growing-season variability and environmental controls of CH4 and N2O fluxes across high-latitude terrestrial ecosystems
Johannes Sakari Niemi, Miska Samuli Luoto, Anna-Maria Ilona Virkkala, Johanna Marika Lehtinen, and Jenni Johanna Hultman
EGUsphere, https://doi.org/10.5194/egusphere-2026-2936, 2026
Preprint under review for BG (discussion: open, 2 comments)
Short summary
11 Jun 2026
Canopy litterfall and soil respiration under rainfall and fog reduction in tropical montane cloud forests
Walter Huaraca Huasco, Maria Edith Ezquera Condori, Daniela Corrales Alvarez, Blanca Rosa Espinoza Otazu, Darcy Fernando Galiano Cabrera, Beisit Puma Vilca, Roxana Sacatuma Cruz, Yulisa Sari Soto Quispe, Luis Miguel Alvarez Mayorga, Jimmy Ronald Chambi Paucar, Aline Barbara Horwath, David C. Bartholomew, and Daniel B. Metcalfe
EGUsphere, https://doi.org/10.5194/egusphere-2026-2882, 2026
Preprint under review for BG (discussion: open, 2 comments)
Short summary
10 Jun 2026
Effectiveness of olivine dissolution in beach simulations for ocean alkalinity enhancement – insights from flow-through experiments
Sonja Geilert, Lucille Hoogerdijk, Yasmina Ben Hammou Abboud, Fabrice Pernet, Jessica Volz, Andre Baldermann, Mariëtte Wolthers, and Cale A. Miller
EGUsphere, https://doi.org/10.5194/egusphere-2026-3096, 2026
Preprint under review for BG (discussion: open, 1 comment)
Short summary
10 Jun 2026
Enhanced Carbon Sequestration in Alkaline Lakes through Recycled CO2 Utilization by Diatoms
Dinggui Wu, Qingfeng Zhao, Siyu Huang, Yuxin He, Jinglu Wu, and Yongge Sun
EGUsphere, https://doi.org/10.5194/egusphere-2026-2998, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
05 Jun 2026
Identifying biological sources and indicators of surfactants in the sea surface microlayer and subsurface waters using fluorescence and microbial community profiling
Felix E. Agblemanyo, Daniel Ammer, Amber E. Birt, Malique R. Bowen, Jennifer F. Biddle, Amanda A. Frossard, and Andrew S. Wozniak
EGUsphere, https://doi.org/10.5194/egusphere-2026-3084, 2026
Preprint under review for BG (discussion: final response, 2 comments)
Short summary
05 Jun 2026
Morphological and phylogenic variability of red snow algae in snowpacks along a glacial valley in Alaska
Masato Ono, Kino Kobayashi, Takumi Suzuki, Ryohei Abe, Suzunosuke Usuba, Jun Uetake, and Nozomu Takeuchi
EGUsphere, https://doi.org/10.5194/egusphere-2026-2789, 2026
Preprint under review for BG (discussion: open, 2 comments)
Short summary
05 Jun 2026
Year-round methane cycling activity in a European alpine peatland with large spatial and temporal variability
Sigrid van Grinsven, Sophie Kunz, Florian Jueterbock, and Andreas Kappler
EGUsphere, https://doi.org/10.5194/egusphere-2026-2750, 2026
Preprint under review for BG (discussion: open, 1 comment)
Short summary
04 Jun 2026
Reviews and syntheses: Spatiotemporal Dynamics, Drivers, and Uncertainties of Global Wildfire Carbon Dioxide Emissions
Yu Liang, Tianxiao Ma, Bo Liu, Zhihua Liu, Hong S. He, Jian Yang, Yude Pan, Chao Yue, Xianli Wang, Mia Wu, Wenru Xu, and Jiaojun Zhu
EGUsphere, https://doi.org/10.5194/egusphere-2026-2906, 2026
Preprint under review for BG (discussion: open, 1 comment)
Short summary
04 Jun 2026
Microbial Interactions with Dissolved Organic Matter (DOM) from Immature Cretaceous Marine Black Shale: Implications for subsurface carbon flux and geothermal energy systems
Muhammad Sabiu Jibrin and Abdulhamid Dahiru
EGUsphere, https://doi.org/10.5194/egusphere-2026-2864, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
04 Jun 2026
Spatial differentiation of carbon-control structures in urban coastal ecosystems under nutrient enrichment
Kohei Kawahito, Daichi Okada, and Akio Sohma
EGUsphere, https://doi.org/10.5194/egusphere-2026-2710, 2026
Preprint under review for BG (discussion: open, 1 comment)
Short summary
01 Jun 2026
Toward shellfish aquaculture circularity: stimulating mussel shell dissolution in marine sediments
Cedric Goossens, Steven Bouillon, Filip J. R. Meysman, and Sebastiaan J. van de Velde
EGUsphere, https://doi.org/10.5194/egusphere-2026-2930, 2026
Preprint under review for BG (discussion: final response, 3 comments)
Short summary
01 Jun 2026
Vertical Fluxes of Dissolved Oxygen Driven by Turbulence and Diapycnal Mixing in Patagonian Fjords
Iván Pérez-Santos, Pamela Linford, Luis Rozas, Osvaldo Artal, Elías Pinilla, Lauren Ross, Patricio Díaz, Marcela Rojas, Guido Mancilla-Gutiérrez, Gabriel Soto, and Ivonne Montes
EGUsphere, https://doi.org/10.5194/egusphere-2026-2889, 2026
Preprint under review for BG (discussion: open, 1 comment)
Short summary
01 Jun 2026
Ideas and perspectives: Beyond Microbes: Integrating Termites into Global Soil Carbon Cycling Models
Umar Farooq, Chiara Pasut, Ying-Ping Wang, Amy E. Zanne, Habacuc Flores-Moreno, Baptiste Joseph Wijas, David I. Forrester, Jacqueline R. England, Bennett Macdonald, Zachary A. Brown, and Senani Karunaratne
EGUsphere, https://doi.org/10.5194/egusphere-2026-2844, 2026
Preprint under review for BG (discussion: open, 1 comment)
Short summary
29 May 2026
High-resolution reconstruction of the pH-upregulation and its seasonal drivers in the temperate coral Cladocora caespitosa
Marina J. Vergotti, Diego K. Kersting, Thomas C. Brachert, Steeve Comeau, Daniel A. Frick, Ed C. Hathorne, Michael J. Henehan, Josefine Holtz, Nuria Teixidó, Valby van Schijndel, and Juan Pablo D'Olivo
EGUsphere, https://doi.org/10.5194/egusphere-2026-2720, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
27 May 2026
Enhanced weathering of glacial rock flour drives coupled inorganic and organic carbon sequestration in a five-year field experiment
Christiana Dietzen, Malgorzata Rizzi, Tim Jesper Suhrhoff, and Minik Thorleif Rosing
EGUsphere, https://doi.org/10.5194/egusphere-2026-2760, 2026
Preprint under review for BG (discussion: open, 1 comment)
Short summary
CC BY 4.0