Biogeosciences
Biogeosciences
BG

Recent

The following lists the recent preprints posted on EGUsphere with BG-related topics as well as final revised papers published recently in BG.
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,https://doi.org/10.5194/egusphere-2026-3481, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
03 Jul 2026
| Highlight paper
In-depth characterisation of organic matter thermal lability and composition from Arctic Permafrost thaw slumps
Marco A. Bolandini, Jordon D. Hemingway, Negar Haghipour, Kirsi H. Keskitalo, Jorien E. Vonk, Timothy I. Eglinton, and Lisa Bröder
Biogeosciences, 23, 4447–4462, https://doi.org/10.5194/bg-23-4447-2026,https://doi.org/10.5194/bg-23-4447-2026, 2026
Short summary Editorial statement
03 Jul 2026
A cross-site comparison of ecosystem- and plot-scale methane fluxes across multiple timescales
Tiia Määttä, Ankur R. Desai, Masahito Ueyama, Rodrigo Vargas, Eric J. Ward, Zhen Zhang, Gil Bohrer, Kyle Delwiche, Etienne Fluet-Chouinard, Järvi Järveoja, Sara H. Knox, Lulie Melling, Mats B. Nilsson, Matthias Peichl, Angela Che Ing Tang, Eeva-Stiina Tuittila, Jinsong Wang, Sheel Bansal, Sarah Feron, Manuel Helbig, Aino Korrensalo, Ken W. Krauss, Gavin McNicol, Shuli Niu, Zutao Ouyang, Kathleen Savage, Oliver Sonnentag, Robert Jackson, and Avni Malhotra
Biogeosciences, 23, 4379–4445, https://doi.org/10.5194/bg-23-4379-2026,https://doi.org/10.5194/bg-23-4379-2026, 2026
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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,https://doi.org/10.22541/essoar.15003488/v1, 2026
Preprint under review for BG (discussion: open, 0 comments)
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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,https://doi.org/10.5194/egusphere-2026-3709, 2026
Preprint under review for BG (discussion: open, 0 comments)
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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,https://doi.org/10.5194/egusphere-2026-3444, 2026
Preprint under review for BG (discussion: open, 0 comments)
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,https://doi.org/10.5194/egusphere-2026-3696, 2026
Preprint under review for BG (discussion: open, 0 comments)
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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,https://doi.org/10.5194/egusphere-2026-3625, 2026
Preprint under review for BG (discussion: open, 0 comments)
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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,https://doi.org/10.5194/egusphere-2026-3246, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
01 Jul 2026
Evaluation of the particulate inorganic carbon export efficiency in the global ocean
Jordan Toullec
Biogeosciences, 23, 4361–4377, https://doi.org/10.5194/bg-23-4361-2026,https://doi.org/10.5194/bg-23-4361-2026, 2026
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01 Jul 2026
Quantification, spatial distribution and persistence of root-derived carbon for 12 crop species
Baptiste Hulin, Florent Massol, Simon Chollet, Francis Dohou, Stéphane Paolillo, and Samuel Abiven
Biogeosciences, 23, 4343–4359, https://doi.org/10.5194/bg-23-4343-2026,https://doi.org/10.5194/bg-23-4343-2026, 2026
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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,https://doi.org/10.5194/egusphere-2026-2870, 2026
Preprint under review for BG (discussion: open, 0 comments)
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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,https://doi.org/10.5194/egusphere-2026-3590, 2026
Preprint under review for BG (discussion: open, 0 comments)
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30 Jun 2026
Temperature and light regulated patterns of physiology, morphology and elemental stoichiometry in geographically distinct isolates of a cosmopolitan diatom
Alyson M. Theseira, Daniel A. Nielsen, Penelope Ajani, and Katherina Petrou
Biogeosciences, 23, 4305–4319, https://doi.org/10.5194/bg-23-4305-2026,https://doi.org/10.5194/bg-23-4305-2026, 2026
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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,https://doi.org/10.5194/egusphere-2026-3311, 2026
Preprint under review for BG (discussion: open, 0 comments)
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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,https://doi.org/10.5194/egusphere-2026-3607, 2026
Preprint under review for BG (discussion: open, 0 comments)
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30 Jun 2026
Prediction of present and future spatial occurrence of cyanobacteria and the toxin nodularin in the Baltic Sea
Mohanad Abdelgadir, Bengt Karlson, Elin Dahlgren, and Malin Olofsson
Biogeosciences, 23, 4321–4341, https://doi.org/10.5194/bg-23-4321-2026,https://doi.org/10.5194/bg-23-4321-2026, 2026
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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,https://doi.org/10.5194/egusphere-2026-3584, 2026
Preprint under review for BG (discussion: open, 0 comments)
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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,https://doi.org/10.5194/egusphere-2026-3277, 2026
Preprint under review for BG (discussion: open, 0 comments)
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29 Jun 2026
Unlocking the potential of pollarded oaks: a 375-year hydroclimate reconstruction from northcentral Spain
Alba Sanmiguel-Vallelado, Max C. A. Torbenson, Jan Esper, Gabriel Sangüesa-Barreda, Carlos Prado-López, and José Miguel Olano
Biogeosciences, 23, 4287–4303, https://doi.org/10.5194/bg-23-4287-2026,https://doi.org/10.5194/bg-23-4287-2026, 2026
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29 Jun 2026
Resolving distribution and controls of terrigenous and marine particulate organic matter across an energetic shelf
Yu-Shih Lin, Shu-Ying Chuang, Yuan-Pin Chang, Chieh-Wei Hsu, Hui-Ling Lin, James T. Liu, and Wei-Jen Huang
Biogeosciences, 23, 4243–4269, https://doi.org/10.5194/bg-23-4243-2026,https://doi.org/10.5194/bg-23-4243-2026, 2026
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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,https://doi.org/10.5194/egusphere-2026-3442, 2026
Preprint under review for BG (discussion: open, 0 comments)
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29 Jun 2026
| Highlight paper
Air–Sea Interactions and Biogeochemical Responses to Medicane Daniel
Babita Jangir and Ehud Strobach
Biogeosciences, 23, 4271–4286, https://doi.org/10.5194/bg-23-4271-2026,https://doi.org/10.5194/bg-23-4271-2026, 2026
Short summary Editorial statement
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,https://doi.org/10.5194/egusphere-2026-3659, 2026
Preprint under review for BG (discussion: open, 0 comments)
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26 Jun 2026
Macroalgal influence on particulate organic matter sources and early transformation in an Arctic fjord
Ashok S. Jagtap, Archana Singh, Anand Jain, Nandini Raj, and Manish Tiwari
Biogeosciences, 23, 4227–4242, https://doi.org/10.5194/bg-23-4227-2026,https://doi.org/10.5194/bg-23-4227-2026, 2026
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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,https://doi.org/10.5194/egusphere-2026-3522, 2026
Preprint under review for BG (discussion: open, 0 comments)
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26 Jun 2026
The mirabilite microbiocosm in a Carpathian contact cave
Oana Teodora Moldovan, Crin-Triandafil Theodorescu, Erika Andrea Levei, and Oana Cadar
Biogeosciences, 23, 4213–4226, https://doi.org/10.5194/bg-23-4213-2026,https://doi.org/10.5194/bg-23-4213-2026, 2026
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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,https://doi.org/10.5194/egusphere-2026-3055, 2026
Preprint under review for BG (discussion: open, 0 comments)
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25 Jun 2026
Invertebrate communities on seasonal snow patches in the European lowlands are shaped by tree canopy-derived organic inputs
Dzmitry Lukashanets, Krzysztof Zawierucha, Jolita Petkuvienė, Donata Overlingė, Diana Vaičiūtė, Greta Kalvaitienė, and Marija Kataržytė
Biogeosciences, 23, 4199–4212, https://doi.org/10.5194/bg-23-4199-2026,https://doi.org/10.5194/bg-23-4199-2026, 2026
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25 Jun 2026
Experimental assessment of benthic foraminifera as salinity bioindicators: Integrating morphological and eDNA approaches
Yifei Cao, Wenlong Fa, and Yanli Lei
Biogeosciences, 23, 4187–4198, https://doi.org/10.5194/bg-23-4187-2026,https://doi.org/10.5194/bg-23-4187-2026, 2026
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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,https://doi.org/10.5194/egusphere-2026-3505, 2026
Preprint under review for BG (discussion: open, 0 comments)
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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,https://doi.org/10.5194/egusphere-2026-3486, 2026
Preprint under review for BG (discussion: open, 0 comments)
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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,https://doi.org/10.5194/egusphere-2026-3151, 2026
Preprint under review for BG (discussion: open, 0 comments)
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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,https://doi.org/10.5194/egusphere-2026-3058, 2026
Preprint under review for BG (discussion: open, 0 comments)
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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,https://doi.org/10.5194/egusphere-2026-2970, 2026
Preprint under review for BG (discussion: open, 0 comments)
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24 Jun 2026
Ammonia and nitrite oxidation in the upper euphotic zone of the oligotrophic Red Sea
Eyal Rahav, Scott D. Wankel, and Adina Paytan
Biogeosciences, 23, 4171–4185, https://doi.org/10.5194/bg-23-4171-2026,https://doi.org/10.5194/bg-23-4171-2026, 2026
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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,https://doi.org/10.5194/egusphere-2026-3281, 2026
Preprint under review for BG (discussion: open, 0 comments)
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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,https://doi.org/10.5194/egusphere-2026-3312, 2026
Preprint under review for BG (discussion: open, 0 comments)
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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,https://doi.org/10.5194/egusphere-2026-3323, 2026
Preprint under review for BG (discussion: open, 0 comments)
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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,https://doi.org/10.5194/egusphere-2026-3159, 2026
Preprint under review for BG (discussion: open, 0 comments)
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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,https://doi.org/10.5194/egusphere-2026-3157, 2026
Preprint under review for BG (discussion: open, 0 comments)
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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,https://doi.org/10.5194/egusphere-2026-3098, 2026
Preprint under review for BG (discussion: open, 0 comments)
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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,https://doi.org/10.5194/egusphere-2026-3097, 2026
Preprint under review for BG (discussion: open, 1 comment)
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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,https://doi.org/10.5194/egusphere-2026-3094, 2026
Preprint under review for BG (discussion: open, 0 comments)
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23 Jun 2026
Biochemical characteristics of the sea surface microlayer in the central Baltic Sea and potential signatures of cyanobacterial blooms
Josefine Karnatz, Theresa Barthelmeß, Bita Sabbaghzadeh, and Anja Engel
Biogeosciences, 23, 4145–4169, https://doi.org/10.5194/bg-23-4145-2026,https://doi.org/10.5194/bg-23-4145-2026, 2026
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23 Jun 2026
Data-based estimates of ocean carbon uptake biased high from neglect of submonthly atmospheric pressure variability
Jeanne Dombret, Hugo Bellenger, Xavier Perrot, Laëtitia Parc, Lester Kwiatkowski, Frédéric Chevallier, Laurent Bopp, Marion Gehlen, Roland Séférian, Sarah Berthet, and James C. Orr
Biogeosciences, 23, 4133–4143, https://doi.org/10.5194/bg-23-4133-2026,https://doi.org/10.5194/bg-23-4133-2026, 2026
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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,https://doi.org/10.5194/egusphere-2026-3155, 2026
Preprint under review for BG (discussion: open, 0 comments)
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22 Jun 2026
Dissecting mesopelagic particulate organic carbon budgets in the North Atlantic: A mechanistic diagnosis and evaluation of PISCESv2_RC
M. Andrea Orihuela-García, Yohan Ruprich-Robert, Vladimir Lapin, Saskia Loosveldt Tomas, Raffaele Bernardello, Margarida Samsó-Cabré, Pierre-Antoine Bretonnière, Miguel Castrillo, and Martí Galí
Biogeosciences, 23, 4083–4112, https://doi.org/10.5194/bg-23-4083-2026,https://doi.org/10.5194/bg-23-4083-2026, 2026
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22 Jun 2026
Revealing hidden oxygen variability in the North Pacific: a two-decade analysis using GOBAI-O2
Miho Ishizu and Tomomichi Ogata
Biogeosciences, 23, 4037–4056, https://doi.org/10.5194/bg-23-4037-2026,https://doi.org/10.5194/bg-23-4037-2026, 2026
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22 Jun 2026
DOM consumption and demethylation of MeHg as potential drivers of low MeHg in Mediterranean Sea sponges and benthic fish: a modeling perspective
David J. Amptmeijer, Ulrike Hanz, Corinna Schrum, and Johannes Bieser
Biogeosciences, 23, 4057–4081, https://doi.org/10.5194/bg-23-4057-2026,https://doi.org/10.5194/bg-23-4057-2026, 2026
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22 Jun 2026
How does biotic weathering work? Influence of alpine plants on rock temperature and rock moisture
Oliver Sass, Urte Bauer, Anke Jentsch, and Thomas Deola
Biogeosciences, 23, 4113–4132, https://doi.org/10.5194/bg-23-4113-2026,https://doi.org/10.5194/bg-23-4113-2026, 2026
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22 Jun 2026
Winter fluxes determine the annual carbon balance of an unmanaged subarctic drained peatland
Asra Salimi, Bjarni D. Sigurdsson, Brynhildur Bjarnadottir, Chenxin Feng, Hlynur Óskarsson, and Ivan Mammarella
Biogeosciences, 23, 4011–4035, https://doi.org/10.5194/bg-23-4011-2026,https://doi.org/10.5194/bg-23-4011-2026, 2026
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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,https://doi.org/10.5194/egusphere-2026-2314, 2026
Preprint under review for BG (discussion: open, 0 comments)
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19 Jun 2026
Divergent carbon use efficiency-growth rate tradeoff in popular biological growth models
Jinyun Tang, William J. Riley, Gianna L. Marschmann, and Eoin L. Brodie
Biogeosciences, 23, 3995–4010, https://doi.org/10.5194/bg-23-3995-2026,https://doi.org/10.5194/bg-23-3995-2026, 2026
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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,https://doi.org/10.5194/egusphere-2026-3326, 2026
Preprint under review for BG (discussion: open, 0 comments)
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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,https://doi.org/10.5194/egusphere-2026-3315, 2026
Preprint under review for BG (discussion: open, 0 comments)
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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,https://doi.org/10.5194/egusphere-2026-3167, 2026
Preprint under review for BG (discussion: open, 0 comments)
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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,https://doi.org/10.5194/egusphere-2026-3235, 2026
Preprint under review for BG (discussion: open, 0 comments)
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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,https://doi.org/10.5194/egusphere-2026-3186, 2026
Preprint under review for BG (discussion: open, 0 comments)
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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,https://doi.org/10.5194/egusphere-2026-3104, 2026
Preprint under review for BG (discussion: open, 0 comments)
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17 Jun 2026
Point-scale organic-matter decomposition in streambeds is weakly associated with reach-scale respiration
James C. Stegen, Morgan Barnes, Dillman Delgado, Brieanne Forbes, Vanessa A. Garayburu-Caruso, Amy E. Goldman, Maggi Laan, Sophia McKever, Peter Regier, Lupita Renteria, and Scott D. Tiegs
Biogeosciences, 23, 3981–3993, https://doi.org/10.5194/bg-23-3981-2026,https://doi.org/10.5194/bg-23-3981-2026, 2026
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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,https://doi.org/10.5194/egusphere-2026-3069, 2026
Preprint under review for BG (discussion: open, 1 comment)
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16 Jun 2026
Surface area and Ω-aragonite oversaturation as controls of the runaway precipitation process in ocean alkalinity enhancement
Niels Suitner, Jens Hartmann, Selene Varliero, Giulia Faucher, Philipp Suessle, and Charly A. Moras
Biogeosciences, 23, 3965–3980, https://doi.org/10.5194/bg-23-3965-2026,https://doi.org/10.5194/bg-23-3965-2026, 2026
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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,https://doi.org/10.5194/egusphere-2026-3119, 2026
Preprint under review for BG (discussion: open, 1 comment)
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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,https://doi.org/10.5194/egusphere-2026-2751, 2026
Preprint under review for BG (discussion: open, 0 comments)
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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,https://doi.org/10.5194/egusphere-2026-3028, 2026
Preprint under review for BG (discussion: open, 0 comments)
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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,https://doi.org/10.5194/egusphere-2026-3054, 2026
Preprint under review for BG (discussion: open, 0 comments)
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15 Jun 2026
In situ production of hybrid N2O in dust-rich Antarctic ice
Lison Soussaintjean, Jochen Schmitt, Joël Savarino, J. Andy Menking, Edward J. Brook, Barbara Seth, Vladimir Lipenkov, Thomas Röckmann, and Hubertus Fischer
Biogeosciences, 23, 3939–3963, https://doi.org/10.5194/bg-23-3939-2026,https://doi.org/10.5194/bg-23-3939-2026, 2026
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15 Jun 2026
| Highlight paper
Rapid soil degradation following deforestation in Eastern Africa
Laura Summerauer, Fernando Bamba, Bendicto Akoraebirungi, Ahurra Wobusobozi, Marijn Bauters, Travis William Drake, Negar Haghipour, Clovis Kabaseke, Daniel Muhindo, Landry Cizungu Ntaboba, Leonardo Ramirez-Lopez, Johan Six, Daniel Wasner, and Sebastian Doetterl
Biogeosciences, 23, 3907–3938, https://doi.org/10.5194/bg-23-3907-2026,https://doi.org/10.5194/bg-23-3907-2026, 2026
Short summary Editorial statement
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,https://doi.org/10.5194/egusphere-2026-2920, 2026
Preprint under review for BG (discussion: open, 0 comments)
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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,https://doi.org/10.5194/egusphere-2026-2947, 2026
Preprint under review for BG (discussion: open, 1 comment)
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12 Jun 2026
| Highlight paper
Denitrification as the dominant process in nitrous oxide production in the water column of two eutrophic reservoirs
Elizabeth Leon-Palmero, Claudia Frey, Bess B. Ward, Rafael Morales-Baquero, and Isabel Reche
Biogeosciences, 23, 3887–3905, https://doi.org/10.5194/bg-23-3887-2026,https://doi.org/10.5194/bg-23-3887-2026, 2026
Short summary Editorial statement
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,https://doi.org/10.5194/egusphere-2026-3268, 2026
Preprint under review for BG (discussion: open, 0 comments)
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12 Jun 2026
Understanding the resilient carbon cycle response to the 2014–2015 Blob event in the Gulf of Alaska using a regional ocean biogeochemical model
Yumi Abe, Takamitsu Ito, Amanda H. V. Timmerman, Christopher T. Reinhard, and Joseph P. Montoya
Biogeosciences, 23, 3871–3885, https://doi.org/10.5194/bg-23-3871-2026,https://doi.org/10.5194/bg-23-3871-2026, 2026
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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,https://doi.org/10.5194/egusphere-2026-3238, 2026
Preprint under review for BG (discussion: open, 2 comments)
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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,https://doi.org/10.5194/egusphere-2026-2818, 2026
Preprint under review for BG (discussion: open, 0 comments)
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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,https://doi.org/10.5194/egusphere-2026-2882, 2026
Preprint under review for BG (discussion: open, 0 comments)
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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,https://doi.org/10.5194/egusphere-2026-3066, 2026
Preprint under review for BG (discussion: open, 0 comments)
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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,https://doi.org/10.5194/egusphere-2026-2936, 2026
Preprint under review for BG (discussion: open, 1 comment)
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11 Jun 2026
Diatom–environment relationships and limnological variability: an updated quantitative tool for palaeoclimatology on sub-Antarctic Macquarie Island
Caitlin A. Selfe, Karina Meredith, Liza McDonough, Justine Shaw, Stephen J. Roberts, and Krystyna M. Saunders
Biogeosciences, 23, 3807–3827, https://doi.org/10.5194/bg-23-3807-2026,https://doi.org/10.5194/bg-23-3807-2026, 2026
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11 Jun 2026
Global quantification of the eco-hydrological co-benefits of soil carbon sequestration
Inne Vanderkelen, Marie-Estelle Demory, Sean Swenson, David M. Lawrence, Benjamin D. Stocker, Myke Koopmans, and Édouard L. Davin
Biogeosciences, 23, 3829–3854, https://doi.org/10.5194/bg-23-3829-2026,https://doi.org/10.5194/bg-23-3829-2026, 2026
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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,https://doi.org/10.5194/egusphere-2026-3126, 2026
Preprint under review for BG (discussion: open, 2 comments)
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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,https://doi.org/10.5194/egusphere-2026-3034, 2026
Preprint under review for BG (discussion: open, 0 comments)
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11 Jun 2026
Bomb-radiocarbon signal suggests that soil carbon contributes to chlorophyll a in archival oak leaves
Naoto F. Ishikawa, Hisami Suga, Tessa S. van der Voort, Reto Nyffeler, Nanako O. Ogawa, Negar Haghipour, Lukas Wacker, Timothy I. Eglinton, and Naohiko Ohkouchi
Biogeosciences, 23, 3855–3869, https://doi.org/10.5194/bg-23-3855-2026,https://doi.org/10.5194/bg-23-3855-2026, 2026
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10 Jun 2026
Addition of brackish water to tundra soils does not inhibit methane production: implications for Arctic coastal methane production
Alexie Roy-Lafontaine, Rebecca Lee, Peter M. J. Douglas, Dustin Whalen, and André Pellerin
Biogeosciences, 23, 3777–3792, https://doi.org/10.5194/bg-23-3777-2026,https://doi.org/10.5194/bg-23-3777-2026, 2026
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10 Jun 2026
Snowmelt timing constrains green-up but not peak productivity in alpine grasslands of the western Pyrenees
Pablo Domínguez-Aguilar, Jesús Revuelto, Simon Gascoin, and Juan I. López-Moreno
Biogeosciences, 23, 3793–3806, https://doi.org/10.5194/bg-23-3793-2026,https://doi.org/10.5194/bg-23-3793-2026, 2026
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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,https://doi.org/10.5194/egusphere-2026-2998, 2026
Preprint under review for BG (discussion: open, 0 comments)
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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,https://doi.org/10.5194/egusphere-2026-3096, 2026
Preprint under review for BG (discussion: open, 0 comments)
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08 Jun 2026
Ideas and perspectives: Max MACS – constraining the potential global scale of Marine Anoxic Carbon Storage for CO2 removal
Morgan Reed Raven, Nitai Amiel, Dror L. Angel, James P. Barry, Thomas M. Blattmann, Laura Boicenco, Antoine Crémière, Natalya Evans, Nora Gallarotti, Sebastian Haas, Jan-Hendrik Hehemann, Peter Krost, Pranay Lal, David Lordkipanidze, Tiia Luostarinen, Aaron M. Martinez, Allison J. Matzelle, Selma Menabit, Mihaela Muresan, Andreas Neumann, Jean-Daniel Paris, Christopher R. Pearce, Nick Reynard, Daniel L. Sanchez, Florence Schubotz, Violeta Slabakova, Adrian Stanica, Elena Stoica, Andrew K. Sweetman, Tina Treude, Yoana G. Voynova, and Nikolaos D. Zarokanellos
Biogeosciences, 23, 3755–3776, https://doi.org/10.5194/bg-23-3755-2026,https://doi.org/10.5194/bg-23-3755-2026, 2026
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05 Jun 2026
The impact of large-scale macroalgae cultivation and harvesting strategies on the marine carbon dioxide removal efficacy and marine biogeochemistry
Prima Anugerahanti, Julien Palmiéri, Chelsey A. Baker, Ekaterina Popova, and Andrew Yool
Biogeosciences, 23, 3735–3754, https://doi.org/10.5194/bg-23-3735-2026,https://doi.org/10.5194/bg-23-3735-2026, 2026
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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,https://doi.org/10.5194/egusphere-2026-3084, 2026
Preprint under review for BG (discussion: open, 0 comments)
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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,https://doi.org/10.5194/egusphere-2026-2750, 2026
Preprint under review for BG (discussion: open, 0 comments)
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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,https://doi.org/10.5194/egusphere-2026-2789, 2026
Preprint under review for BG (discussion: open, 1 comment)
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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,https://doi.org/10.5194/egusphere-2026-2906, 2026
Preprint under review for BG (discussion: open, 1 comment)
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04 Jun 2026
Temperature dependence of the contribution of soil water content to soil respiration in a monsoon influenced temperate deciduous forest
Dongmin Seo, Minyoung Lee, Jaeho Lee, and Jaeseok Lee
Biogeosciences, 23, 3723–3734, https://doi.org/10.5194/bg-23-3723-2026,https://doi.org/10.5194/bg-23-3723-2026, 2026
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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,https://doi.org/10.5194/egusphere-2026-2864, 2026
Preprint under review for BG (discussion: open, 0 comments)
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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,https://doi.org/10.5194/egusphere-2026-2710, 2026
Preprint under review for BG (discussion: open, 0 comments)
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03 Jun 2026
Colored and fluorescent DOM in the sea-surface microlayer: response to a phytoplankton bloom and photodegradation in a mesocosm study
Claudia Thölen, Jochen Wollschläger, Michael G. Novak, Rüdiger Röttgers, and Oliver Zielinski
Biogeosciences, 23, 3697–3721, https://doi.org/10.5194/bg-23-3697-2026,https://doi.org/10.5194/bg-23-3697-2026, 2026
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03 Jun 2026
Sedimentary insights into organic matter alteration in Arctic Alaska's saline permafrost
Fabian Seemann, Michael Zech, Maren Jenrich, Guido Grosse, Benjamin M. Jones, Claire Treat, Lutz Schirrmeister, Susanne Liebner, and Jens Strauss
Biogeosciences, 23, 3675–3695, https://doi.org/10.5194/bg-23-3675-2026,https://doi.org/10.5194/bg-23-3675-2026, 2026
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