Biogeosciences
Biogeosciences
BG

Preprints

The following lists only preprints without a corresponding final revised paper.
15 Oct 2026
Competing effects of seasonal hydrodynamics and temperature-dependent development shape marine larval dispersal
Yufan Deng, Wei Shi, Jianchao Li, Leon Boegman, and Yongjun Tian
EGUsphere, https://doi.org/10.5194/egusphere-2026-5411, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
14 Oct 2026
CO2, CH4, and N2O Emissions from Urban Lawns in Southern China: Characteristics and Driving Mechanisms
Ziyan Wu, Shaohui Li, Zihan Fan, Fuhao Li, Cunxin Hu, Kunpeng Zang, Shuangxi Fang, and Shuo Liu
EGUsphere, https://doi.org/10.5194/egusphere-2026-5269, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
13 Oct 2026
Contrasting ages and dynamics of unsaturated zone carbon pools at a mid-latitude karst system
Sarah Rowan, Marc Luetscher, Negar Haghipour, Heather M. Stoll, Laura Endres, Sönke Szidat, and Franziska A. Lechleitner
EGUsphere, https://doi.org/10.5194/egusphere-2026-5813, 2026
Preprint under review for BG (discussion: open, 1 comment)
Short summary
13 Oct 2026
Snow-rich conditions coincide with higher CO2 saturation, while CH4 is generally oversaturated and N2O near equilibrium in alpine sub-Arctic headwaters
Andrea L. Popp, Nicolas Valiente, Kristoffer Aalstad, Sigrid Trier Kjær, Yeliz A. Yilmaz, Norbert Pirk, Alexander Eiler, Peter Dörsch, Dag O. Hessen, Lena M. Tallaksen, and Laurel G. Larsen
EGUsphere, https://doi.org/10.5194/egusphere-2026-5723, 2026
Preprint under review for BG (discussion: open, 0 comments)
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12 Oct 2026
Subtropical gyres dominate global calcium carbonate production by coccolithophores
Nicola A. Wiseman, Joost de Vries, Alex J. Poulton, Nichole J. Marsh, Levi J. Wolf, and Fanny M. Monteiro
EGUsphere, https://doi.org/10.5194/egusphere-2026-6172, 2026
Preprint under review for BG (discussion: open, 0 comments)
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12 Oct 2026
Drivers of multi-year δ13C-CO2 source signature variability in the Amazon rainforest
Sanam N. Vardag, Kilian Ticks, Santiago Botía, Gerrit Eisele, Philip Papastefanou, Cleo Quaresma, Hella van Asperen, Carla Souza, Flavio A. F. D'Oliveira, Susan Trumbore, Sönke Zaehle, and Sam P. Jones
EGUsphere, https://doi.org/10.5194/egusphere-2026-6034, 2026
Preprint under review for BG (discussion: open, 0 comments)
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12 Oct 2026
From Surface Warming to Vertical Phytoplankton Reorganization in the North Pacific Subtropical Gyre
Nurmalia Adroli, Ricardo Letelier, Dessy Berlianty, Michael Harte, Peter Strutton, and Michael J. Ellwood
EGUsphere, https://doi.org/10.5194/egusphere-2026-5927, 2026
Preprint under review for BG (discussion: open, 0 comments)
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12 Oct 2026
Response of a River Channel-Hyporheic Zone System to Organic Matter Addition: Insights from Low-flow Experiments
Anna B. Turețcaia, Matthew H. Kaufman, Adam J. Kessler, Bing Li, Philip C. Bennett, Xingyuan Chen, Xiaofeng Liu, Pawel M. Wojtowicz, James C. Stegen, and M. Bayani Cardenas
EGUsphere, https://doi.org/10.5194/egusphere-2026-5532, 2026
Preprint under review for BG (discussion: open, 1 comment)
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09 Oct 2026
Spatial decoupling of drought exposure and growth loss in German forests during the 2018–2022 drought sequence
Felix Pohl, Burkhard Neuwirth, David Steger, Georgios Skiadaresis, Ingo Heinrich, Heye Bogena, Marvin Müsgen-von den Driesch, Boris Thies, Jörg Bendix, Michael Leuchner, Theresa Blume, Harrie-Jan Hendricks-Franssen, and Anke Hildebrandt
EGUsphere, https://doi.org/10.5194/egusphere-2026-5883, 2026
Preprint under review for BG (discussion: open, 0 comments)
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09 Oct 2026
DART-based model for three-dimensional scaling of energy balance from individual leaves to plant canopies
Thắng Quang Nguyễn, Omar Regaieg, Luka Lesage, Jean-Philippe Gastellu-Etchegorry, and Zbyněk Malenovský
EGUsphere, https://doi.org/10.5194/egusphere-2026-4796, 2026
Preprint under review for BG (discussion: open, 0 comments)
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08 Oct 2026
Alkalinity generation and trace metal dynamics during olivine-based marine enhanced rock weathering in bioturbated sediments
Benjamin Van Heurck, Francesc Montserrat, Astrid Hylén, Diana Vasquez Cardenas, Saïd De Wolf, Cedric Goossens, Greet Lembregts, Daniel A. Frick, Matthias Kreuzburg, and Filip J. R. Meysman
EGUsphere, https://doi.org/10.5194/egusphere-2026-5968, 2026
Preprint under review for BG (discussion: open, 0 comments)
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08 Oct 2026
Quantifying multiple sources of uncertainty in national-scale soil organic matter prediction
Juhwan Lee, Woosik Lee, and Sumin Hwang
EGUsphere, https://doi.org/10.5194/egusphere-2026-5930, 2026
Preprint under review for BG (discussion: open, 0 comments)
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08 Oct 2026
Direct P K-edge X-ray absorption spectroscopy evidence of phosphorus immobilization in anoxic peat soils
Adrian F. Florea, Dominik H. Zak, Case van Genuchten, Camille Rivard, and Hans Christian B. Hansen
EGUsphere, https://doi.org/10.5194/egusphere-2026-5564, 2026
Preprint under review for BG (discussion: open, 0 comments)
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08 Oct 2026
Hydro-biogeochemical processes govern inorganic nitrogenous nutrient dynamics in a subtropical semi-enclosed mariculture bay: nitrogen-carbon coupling
Aiqin Han, Zhenzhen Zheng, Rong Fu, Lili Lang, Shuh-Ji Kao, Yuanbiao Zhang, and Yasong Li
EGUsphere, https://doi.org/10.5194/egusphere-2026-5354, 2026
Preprint under review for BG (discussion: open, 0 comments)
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07 Oct 2026
A robust empirical model for deriving depth-integrated N2 fixation rates from surface measurements in the global open ocean
Wei-Li Chen, Zhibo Shao, Yangchun Xu, and Ya-Wei Luo
EGUsphere, https://doi.org/10.5194/egusphere-2026-5828, 2026
Preprint under review for BG (discussion: open, 0 comments)
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07 Oct 2026
Technical note: Assessing potential hydrolytic enzyme activities on frozen samples as a tool to bridge microbial rate measurements with omics analysis
Kai Ziervogel, James Lin, and Leo Windels
EGUsphere, https://doi.org/10.5194/egusphere-2026-5821, 2026
Preprint under review for BG (discussion: open, 0 comments)
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07 Oct 2026
Seasonal dynamics and spatial drivers of mangrove gross primary productivity revealed by tower and satellite observations
Xiaoyan Pan, Yiqing Chen, Tiezhu Shi, Tingtian Wu, Xiaohua Chen, Yuanling Li, Shouqian Nong, Demei Zhao, and Zongzhu Chen
EGUsphere, https://doi.org/10.5194/egusphere-2026-5811, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
05 Oct 2026
Biogeochemical and hydrological controls on the oxygen isotopic composition of nitrification-produced nitrate in an agricultural soil
Minghui Sha and Zhongjie Yu
EGUsphere, https://doi.org/10.5194/egusphere-2026-5605, 2026
Preprint under review for BG (discussion: open, 0 comments)
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05 Oct 2026
Moisture Constraints on Realized CO2-Associated Productivity Gains in Xinjiang Drylands
Kaiqing Ma, Fei Zhang, Brian Alan Johnson, Saheed Adeyinka Oke, Chi Yung Jim, Xin He, Xiangyu Liu, Zia Ahmed, Changjiang Liu, and Xu Ma
EGUsphere, https://doi.org/10.5194/egusphere-2026-5212, 2026
Preprint under review for BG (discussion: open, 0 comments)
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05 Oct 2026
Sensitivity of biogenic carbon and heat fluxes to urban vegetation parametrisations in the urban land surface model SUEWS
Hei Shing Lee, Anni Karvonen, Minttu Havu, Helen C. Ward, Joseph P. McFadden, and Leena Järvi
EGUsphere, https://doi.org/10.5194/egusphere-2026-5098, 2026
Preprint under review for BG (discussion: open, 0 comments)
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02 Oct 2026
Ocean alkalinity enhancement pelagic impact in the Northwest Iberian Upwelling System under nutrient limited conditions
Marcos Fontela, María Froján, Belén Arbones, María Jesús Álvarez-Fernández, Caio César-Ribeiro, Marylo Doval, José Luís Garrido, Sara Groppelli, María López-Acosta, María López-Rodríguez, Celeste L. Hinojo, Blanca Marigómez, Laura Moreno, Fiz F. Pérez, Isabel Gomes Teixeira, Antón Velo, and Xosé Antonio Padin
EGUsphere, https://doi.org/10.5194/egusphere-2026-5658, 2026
Preprint under review for BG (discussion: open, 0 comments)
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01 Oct 2026
The Alkalinity Blue Carbon Pump: Tidal pumping drives long-term CO₂ sequestration as alkalinity in salt marshes
Paul Kanfer, Céline Charbonnier, Sabine Schmidt, Bruno Deflandre, Aurélia Mouret, Eric Bénéteau, Martin Danilo, Dominique Poirier, Jimmy Desnues, Gérard Lebreton, and Pierre Anschutz
EGUsphere, https://doi.org/10.5194/egusphere-2026-5782, 2026
Preprint under review for BG (discussion: open, 0 comments)
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01 Oct 2026
Observation-based constraint suggests larger ocean carbon uptake and stronger climate feedbacks
Jens Terhaar, Laurent Bopp, Pierre Friedlingstein, Thomas Frölicher, Helene Hollitzer, Tatiana Ilyina, Lester Kwiatkowski, Paul Lerner, Hongmei Li, Anastasia Romanou, Jörg Schwinger, Roland Séférian, and Aaron Wienkers
EGUsphere, https://doi.org/10.5194/egusphere-2026-5757, 2026
Preprint under review for BG (discussion: open, 0 comments)
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01 Oct 2026
The rhythm of ecosystems’ breath: short-term forecasting of net ecosystem exchange improved via wavelet analysis
Jaime C. Revenga, Delia Fano Yela, Daniel Ortiz-Gonzalo, Guy Schurgers, Stéphanie Horion, Zulia M. Sánchez-Mejía, Josué Delgado Balbuena, and Enrico Yepez
EGUsphere, https://doi.org/10.5194/egusphere-2026-5753, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
01 Oct 2026
The Effect of Large Animal Removal or Protection under the Future of Climate Change
Jens Krause, Peter Anthoni, Mike Harfoot, Jens-Christian Svenning, and Almut Arneth
EGUsphere, https://doi.org/10.5194/egusphere-2026-5593, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
01 Oct 2026
Impact of heatwaves on net metabolism, nutrient and greenhouse gases fluxes at the sediment-water interphase of a shallow coastal ecosystems
Valle Perez-Rodriguez, Sokratis Papaspyrou, Alfonso Corzo, Joe D. Taylor, Ana Sierra, Cindy J. Smith, Fabien Cholet, and Emilio Garcia-Robledo
EGUsphere, https://doi.org/10.5194/egusphere-2026-5410, 2026
Preprint under review for BG (discussion: open, 0 comments)
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30 Sep 2026
Evaluation and Fusion of Multi-Source Gross Primary Productivity Products over China under Widespread Greening
Bingxiao Liu, Wen Wang, Wei Wu, and Yujie Liu
EGUsphere, https://doi.org/10.5194/egusphere-2026-5150, 2026
Preprint under review for BG (discussion: open, 0 comments)
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29 Sep 2026
Effect of natural sulfidic conditions on the stability of authigenic vivianite in lake sediment
Harm van Kuppevelt, Carlo Belloni, and Michael Hupfer
EGUsphere, https://doi.org/10.5194/egusphere-2026-5694, 2026
Preprint under review for BG (discussion: open, 0 comments)
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29 Sep 2026
Ideas and perspectives: the biogeochemical role of taliks
Maëlle Villani, Louise M. Farquharson, Vladimir E. Romanovsky, and Sophie Opfergelt
EGUsphere, https://doi.org/10.5194/egusphere-2026-5453, 2026
Preprint under review for BG (discussion: open, 1 comment)
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29 Sep 2026
A Paleoclimate Proxy from Ammonite Suture Line Complexity
Pierpaolo Guarnieri, Peter Alsen, Jörg Mutterlose, and Kaare H. Jensen
EGUsphere, https://doi.org/10.5194/egusphere-2026-5429, 2026
Preprint under review for BG (discussion: open, 8 comments)
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29 Sep 2026
Reviews and syntheses: Rivers are major sources of dissolved iron to the ocean
Mark J. Hopwood, Raphaël Savelli, Martha Gledhill, Dustin Carroll, Laramie Jensen, and Stephanie Dutkiewicz
EGUsphere, https://doi.org/10.5194/egusphere-2026-5351, 2026
Preprint under review for BG (discussion: open, 1 comment)
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29 Sep 2026
Early carbon recovery after cell-bunding rewetting is constrained by aerated microsites in a cutaway raised bog
Md Shamsuzzaman, Shane Regan, Ultan McCarthy, Imelda Casey, Ciara Farrell, Sate Ahmad, Wahaj Habib, and Owen Naughton
EGUsphere, https://doi.org/10.5194/egusphere-2026-5248, 2026
Preprint under review for BG (discussion: open, 0 comments)
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28 Sep 2026
Physical controls on North Atlantic organic carbon export from eddying ocean models
Xi Ruan, Stéphane Doléac, Laurent Bopp, Julian Mak, Franziska Schwarzkopf, Arne Biastoch, and Marina Lévy
EGUsphere, https://doi.org/10.5194/egusphere-2026-4891, 2026
Preprint under review for BG (discussion: open, 0 comments)
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25 Sep 2026
A mid-cost automated floating chamber system for high-frequency CO2 and CH4 flux measurements: design, calibration, and comparison with infrequent measurement strategies
Ralf C. H. Aben, Judith van der Knaap, Floris Hahn, Gerben Wulterkens, Dániel Szalas-Motesiczky, Emiel Vissers, Arno Engels, Arjan de Kleine, Christian Fritz, and Sarian Kosten
EGUsphere, https://doi.org/10.5194/egusphere-2026-5600, 2026
Preprint under review for BG (discussion: open, 1 comment)
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22 Sep 2026
Contribution of livestock effluent management to the soil greenhouse gas emission in a Sahelian agropastoral region
Yanoussa Yakoubou Alzouma, Pierre Hiernaux, Dominique Serça, Claire Delon, Seydina Mohamad Ba, Maguette Kaire, and Mahamane Larwanou
EGUsphere, https://doi.org/10.5194/egusphere-2026-4903, 2026
Preprint under review for BG (discussion: open, 0 comments)
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21 Sep 2026
CO2 exchange at a subarctic mire complex with varying permafrost status
Patryk Łakomiec, Jutta Holst, Niklas Rakos, Erik Lundin, Patrick Crill, Thomas Friborg, Hongxiao Jin, Lars Eklundh, and Janne Rinne
EGUsphere, https://doi.org/10.5194/egusphere-2026-5405, 2026
Preprint under review for BG (discussion: open, 0 comments)
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21 Sep 2026
Technical note: Development and field validation of SMART-ASF, a low-cost automated soil gas flux monitoring system for long-term field observations
Ching-Chou Fu, Sheng-Fu Hu, Li-Hung Lin, Kuo-Hang Chen, Chin-Shang Ku, Hao Kuo-Chen, Kuo-Wei Wu, and Chin-Jen Lin
EGUsphere, https://doi.org/10.5194/egusphere-2026-4934, 2026
Preprint under review for BG (discussion: open, 0 comments)
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16 Sep 2026
Comparing estimates of gross primary production in a mature Norway spruce plantation in hemiboreal Sweden
Tobias Rütting, Maj-Lena Finnander Linderson, Per Weslien, Lasse Tarvainen, and John D. Marshall
EGUsphere, https://doi.org/10.5194/egusphere-2026-5424, 2026
Preprint under review for BG (discussion: open, 1 comment)
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16 Sep 2026
Global fuel and burned area reconstructions and projections for 1950–2100
Joe McNorton, Edward Comyn-Platt, Francesca Di Giuseppe, Chiara Cagnazzo, and Chris Barnard
EGUsphere, https://doi.org/10.5194/egusphere-2026-5374, 2026
Preprint under review for BG (discussion: open, 0 comments)
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15 Sep 2026
Process-based reconstruction of peatland carbon dynamics in Switzerland
Qing Sun and Édouard Davin
EGUsphere, https://doi.org/10.5194/egusphere-2026-5196, 2026
Preprint under review for BG (discussion: open, 0 comments)
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14 Sep 2026
Trait-based mapping of functionally diverse tundra types using hyperspectral EnMap data
Antonia Dorea Ludwig, Birgit Heim, and Hannes Feilhauer
EGUsphere, https://doi.org/10.5194/egusphere-2026-5451, 2026
Preprint under review for BG (discussion: open, 0 comments)
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14 Sep 2026
From sedimentary production to water-column accumulation: temperature and spatial controls on littoral methane
Katharina J. Kiefel, Frank Peeters, Armando Sepulveda-Jauregui, L. Loraine Ropella, and Karla Martinez-Cruz
EGUsphere, https://doi.org/10.5194/egusphere-2026-5425, 2026
Preprint under review for BG (discussion: open, 2 comments)
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14 Sep 2026
Distribution and biogeochemical controls of dissolved cobalamin (vitamin B12) in the western North Pacific
Yoshiko Kondo, Yukiko Kawakami, Tomohiro Takatani, Toshikazu Suzuki, Hajime Obata, and Jun Nishioka
EGUsphere, https://doi.org/10.5194/egusphere-2026-5019, 2026
Preprint under review for BG (discussion: open, 0 comments)
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11 Sep 2026
High rates of N and C mineralization in upper permafrost of a thawing palsa mire and their implications for GHG dynamics
Richard E. Lamprecht, Kateřina Diáková, Carolina Voigt, Henri M. P. Siljanen, Hana Šantrůčková, Pertti J. Martikainen, Christina Biasi, and Maija E. Marushchak
EGUsphere, https://doi.org/10.5194/egusphere-2026-5330, 2026
Preprint under review for BG (discussion: open, 2 comments)
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11 Sep 2026
Long-term climatic and management drivers of cropland gross primary production (GPP) from eddy covariance explained by interpretable machine learning
Sarah Maxwell, Fabio Turco, Yi Wang, Lukas Hörtnagl, Nina Buchmann, and Flavian Tschurr
EGUsphere, https://doi.org/10.5194/egusphere-2026-5253, 2026
Preprint under review for BG (discussion: open, 2 comments)
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11 Sep 2026
Tidal forcing causes bi-decadal variability in dissolved oxygen: clarification with a causal discovery method
Benedict Blackledge, Oliver Andrews, Rory Bingham, Urmi Ninad, and J. A. Mattias Green
EGUsphere, https://doi.org/10.5194/egusphere-2026-5168, 2026
Preprint under review for BG (discussion: open, 1 comment)
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10 Sep 2026
Elevated shortwave radiation enhances the limitation of atmospheric dryness on carbon sequestration across European forests
Ziqian Zhong, Hans Chen, Fuxiao Jiang, and Luyao Liu
EGUsphere, https://doi.org/10.5194/egusphere-2026-5126, 2026
Preprint under review for BG (discussion: open, 3 comments)
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09 Sep 2026
Ideas and Perspectives: Value and efficiency of ocean sample return and laboratory analysis: Key analytes are orders of magnitude rarer than a needle in a haystack
Mak A. Saito, Matthew R. McIlvin, Annette F. Govindarajan, and John A. Breier
EGUsphere, https://doi.org/10.5194/egusphere-2026-5382, 2026
Preprint under review for BG (discussion: open, 0 comments)
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09 Sep 2026
Estimates of sediment organic carbon burial and benthic-pelagic nutrient cycling in subarctic fjords (northern Nunatsiavut, eastern Canada)
Haley D. Geizer, Francesco Bisiach, Alexandre Normandeau, Maria Armstrong, Stephan Hamisch, Silas W. Jones, Casey R. J. Hubert, Kumiko Azetsu-Scott, Paul V. R. Snelgrove, Christopher W. Hunt, Michelle Saunders, Rodd Laing, and Christopher K. Algar
EGUsphere, https://doi.org/10.5194/egusphere-2026-5292, 2026
Preprint under review for BG (discussion: open, 0 comments)
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09 Sep 2026
Coupling and decoupling of DIC, TA and O2 benthic fluxes along the Rhône River-dominated ocean margin.
Eva Ferreira, Bruno Lansard, Bruno Bombled, and Christophe Rabouille
EGUsphere, https://doi.org/10.5194/egusphere-2026-5259, 2026
Preprint under review for BG (discussion: open, 3 comments)
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09 Sep 2026
Ideas and perspectives: A framework for understanding efficiency losses of Ocean Alkalinity Enhancement
Abby Lunstrum, David Keller, Jens Hartmann, and Charly Andre Moras
External preprint server, https://doi.org/10.70212/cdrxiv.2026517.v2, 2026
Preprint under review for BG (discussion: open, 2 comments)
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07 Sep 2026
Climate-trait interactions dominate vegetation light use efficiency distributions across China
Yujie Wang, Mingzhu He, and Qiang Zhang
EGUsphere, https://doi.org/10.5194/egusphere-2026-4683, 2026
Preprint under review for BG (discussion: open, 1 comment)
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07 Sep 2026
Variability in the Light Absorption Coefficients of phytoplankton, non-algal particles and colored dissolved organic matter in European Coastal Waters: A Two-Year Dataset in the Context of Historical Observations
Paola Potin, Isabella Mayot, Chiara Santinelli, Emmanuel Boss, Vittorio E. Brando, Margherita Costanzo, Victor Martinez-Vicente, and David Doxaran
EGUsphere, https://doi.org/10.5194/egusphere-2026-4579, 2026
Preprint under review for BG (discussion: open, 0 comments)
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04 Sep 2026
A Framework for Representing Biodegradation in Atmospheric Multiphase Models
Leslie Nuñez López, Pierre Amato, and Barbara Ervens
EGUsphere, https://doi.org/10.5194/egusphere-2026-5013, 2026
Preprint under review for BG (discussion: open, 0 comments)
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04 Sep 2026
Temperate agroforestry systems take up more CO2 compared to conventional crop- or grassland, without consuming more water
José Ángel Callejas-Rodelas, Justus G. V. van Ramshorst, Alexander Knohl, Sarah Choe, Maren Langhof, and Christian Markwitz
EGUsphere, https://doi.org/10.5194/egusphere-2026-4973, 2026
Preprint under review for BG (discussion: open, 1 comment)
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03 Sep 2026
Biogeochemical responses to ocean alkalinity enhancement in the North China Sea
Xiaoke Xin, Yimeng Liu, Ruize Chang, Ruobin Lei, Minghao Zhu, Xiaotong Wang, Xue Chao Wang, and Jihua Liu
EGUsphere, https://doi.org/10.5194/egusphere-2026-5281, 2026
Preprint under review for BG (discussion: open, 2 comments)
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02 Sep 2026
Divergent predictions of northern peatland responses to climate warming and elevated CO2: A multi-model intercomparison at the SPRUCE experiment
Xiaoying Shi, Daniel M. Ricciuto, Yaoping Wang, Joe R. Melton, Fortunat Joos, Yiqi Luo, Xiaofeng Xu, Dafeng Hui, Qianlai Zhuang, Chunjing Qiu, Hongxing He, Siya Shao, Xingjie Lu, Yongjiu Dai, Akihiko Ito, Qing Sun, Nitin Chaudhary, Ayesha Hussain, Mousong Wu, Jian Zhou, Jingwei Zhang, Ye Yuan, Rachael H. Turton, Eleanor J. Burke, Jiafu Mao, Yuefeng Hao, Natalie A. Griffiths, Verity Salmon, Paul J. Hanson, Melanie A. Mayes, and Peter E. Thornton
EGUsphere, https://doi.org/10.5194/egusphere-2026-5193, 2026
Preprint under review for BG (discussion: open, 1 comment)
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02 Sep 2026
Biogenic volatile organic compound (BVOC) emissions from boreal forest floors during the first years after wildfire: effects of stand age and management
Erica Jaakkola, Johan Lindström, Julia Kelly, Natascha Kljun, and Thomas Holst
EGUsphere, https://doi.org/10.5194/egusphere-2026-5083, 2026
Preprint under review for BG (discussion: open, 0 comments)
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02 Sep 2026
Tidal state as a source of sampling uncertainty in instantaneous-to-daily scaling of mangrove FAPAR
Demei Zhao, Haolin Chen, Wenmeijun Wang, Wenhao Huang, and Kangwen Zhu
EGUsphere, https://doi.org/10.5194/egusphere-2026-4707, 2026
Preprint under review for BG (discussion: open, 1 comment)
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02 Sep 2026
Identifying Drivers of Sea Surface pCO2 via the Lag-Convergent Cross Mapping Model
Huisheng Wu, Min Liu, Jinping Liu, Xiaochun Ling, Yang Wang, Zhuang Li, Miaomiao Qiu, Xiaoke Cheng, and Siyuan Ju
EGUsphere, https://doi.org/10.5194/egusphere-2026-3875, 2026
Revised manuscript under review for BG (discussion: final response, 4 comments)
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02 Sep 2026
The Spatiotemporal Distribution of Dissolved Inorganic Carbon in the Global Ocean Interior: Reconstructed through Machine Learning
Tobias Friedrich Ehmen, Neill Sutherland Mackay, and Andrew James Watson
EGUsphere, https://doi.org/10.5194/egusphere-2026-3396, 2026
Preprint under review for BG (discussion: final response, 2 comments)
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01 Sep 2026
The more the better? A limited proportion of deep roots maximizes tree survival under drought in Mediterranean forest
Lucas Mondon, Nicolas Martin-StPaul, Gregor Rickert, Isabelle Maréchaux, Arsène Druel, Quentin Chaffaut, Damien Jougnot, Nicolas Delpierre, Marc Pessel, Ilhan Özgen-Xian, Hervé Cochard, and Simon D. Carrière
EGUsphere, https://doi.org/10.5194/egusphere-2026-5115, 2026
Preprint under review for BG (discussion: open, 1 comment)
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01 Sep 2026
Technical note: Cavity ring-down spectroscopy is a precise and accurate method for measuring 15N-NO3– in soil extracts from 15N tracer experiments
Wasi Hashmi, Maija E. Marushchak, Paula Martinez-Risco Martinez, Jenie Gil, and Lukas Kohl
EGUsphere, https://doi.org/10.5194/egusphere-2026-5050, 2026
Preprint under review for BG (discussion: final response, 2 comments)
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01 Sep 2026
Upper-ocean physical and biogeochemical response to Hurricane Norbert in the eastern tropical Pacific
Javier González-Ramírez, Luis Soto-Mardones, Jushiro Cepeda-Morales, Jasmín Granados-Amores, and Juan Ramón Flores-Ortega
EGUsphere, https://doi.org/10.5194/egusphere-2026-4874, 2026
Preprint under review for BG (discussion: final response, 2 comments)
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31 Aug 2026
CO2 influx and efflux circadian cycles in bare dry lake sediments
Pelin Erturk Ari, Rafael Marcé, Oriol Sacristán-Soriano, Duygu Tolunay, Carles M. Borrego, Sílvia Poblador, Biel Obrador, Enrique Moreno-Ostos, Jorge J. Montes-Pérez, Teresa Conejo-Orosa, Matthias Koschorreck, Josep Peñuelas, and Núria Catalán
EGUsphere, https://doi.org/10.5194/egusphere-2026-5010, 2026
Preprint under review for BG (discussion: final response, 2 comments)
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31 Aug 2026
Limited modelled legacy effects of drought on carbon and water fluxes in a temperate oak forest despite hydraulic impairment
J. Cale Baguley, Tristin Quaife, Lucy Rowland, Patrick Meir, Michael C. Bell, Manon E. B. Sabot, and Martin G. De Kauwe
EGUsphere, https://doi.org/10.5194/egusphere-2026-4729, 2026
Preprint under review for BG (discussion: open, 1 comment)
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28 Aug 2026
Evaluation of Partitioning Methods to Identify Timescale-Dependent Drivers of Light Use Efficiency in a Wet Tropical Forest
Julia Bigwood, Jochen Stutz, Milagros Rodriguez-Caton, Troy Magney, Diego Dierick, Nicholas Parazoo, Gregory R. Goldsmith, Sol Cooperdock, and Ulrike Seibt
External preprint server, https://doi.org/10.2139/ssrn.6429182, 2026
Preprint under review for BG (discussion: open, 2 comments)
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28 Aug 2026
The influence of snow on net ecosystem exchange over an alpine meadow in the Australian Alps
Samuel Hugh Scott and Hamish A. McGowan
EGUsphere, https://doi.org/10.5194/egusphere-2026-4164, 2026
Preprint under review for BG (discussion: open, 0 comments)
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27 Aug 2026
Glacial controls on iron and manganese concentration and lability in an Arctic fjord
Lukasz Stachnik, Meri Korhonen, Jonathan R. Hawkings, Marlena Szeligowska, Katarzyna Koziorowska, Emilia Trudnowska, Karol Kuliński, Beata Szymczycha, Oskar Głowacki, Małgorzata Kitowska, Katarzyna Dragańska-Deja, Marcin Syczewski, Liane G. Benning, Pablo Forjanes, and Mateusz Moskalik
EGUsphere, https://doi.org/10.5194/egusphere-2026-4466, 2026
Preprint under review for BG (discussion: final response, 2 comments)
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26 Aug 2026
An Estimate of the Global Marine Carbon Flux of Cold-Water Corals
Amelie T. Steinberg and Norbert Frank
EGUsphere, https://doi.org/10.5194/egusphere-2026-5117, 2026
Preprint under review for BG (discussion: open, 1 comment)
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26 Aug 2026
A physico-chemical framework for explaining the generation mechanism of Nocturnal Soil CO2 Uptake in Deserts
Yuan Huang, Zhenyu Zhao, Zimu Li, Meixuan Pan, Yang Gao, and Jiabin Liu
EGUsphere, https://doi.org/10.5194/egusphere-2026-4692, 2026
Preprint under review for BG (discussion: open, 4 comments)
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25 Aug 2026
Biogeochemical and microbial microseepage connectivity from a deeply buried salt diapir on the Scotian Slope of Atlantic Canada
Gamra Oueslati, Elish Redshaw, Unyime Umoh, Natasha MacAdam, Patricia Granados, Jeremy Bentley, Robbie Bennett, Venus Baghalabadi, Adam MacDonald, Calvin Campbell, Martin Fowler, and Todd Ventura
EGUsphere, https://doi.org/10.5194/egusphere-2026-5038, 2026
Preprint under review for BG (discussion: open, 2 comments)
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24 Aug 2026
A process-informed deep learning biosphere model for ecosystem carbon flux partitioning and beyond
Theo Glauch, Marcia J. Kroker, Sanam N. Vardag, Santiago Botía, André Butz, and Julia Marshall
EGUsphere, https://doi.org/10.5194/egusphere-2026-4847, 2026
Preprint under review for BG (discussion: open, 1 comment)
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24 Aug 2026
Environmental controls on methanotrophic oxidation capacity in the southeastern North Sea
Yanan Zhao, Vera Sidorenko, Carsten Lemmen, and Ingeborg Bussmann
EGUsphere, https://doi.org/10.5194/egusphere-2026-4822, 2026
Preprint under review for BG (discussion: open, 2 comments)
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24 Aug 2026
Terrestrial organic carbon processing and dispersal on a high-energy, river-dominated margin
Evan R. Flynn, Valier Galy, Manuel Colombo, and Steven A. Kuehl
EGUsphere, https://doi.org/10.5194/egusphere-2026-4612, 2026
Preprint under review for BG (discussion: open, 0 comments)
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24 Aug 2026
The Stratified Microbial Carbon Pump: Thermal Stratification Enhances Refractory Dissolved Organic Carbon Production and Stabilizes Carbon in Alkaline Karst Waters through Keystone Microbial Interaction Networks
Yikun Jia, Junbing Pu, Zaihua Liu, Qiufang He, Xinlu Su, Tao Zhang, Jianhong Li, and Sibo Zeng
EGUsphere, https://doi.org/10.5194/egusphere-2026-4596, 2026
Revised manuscript under review for BG (discussion: final response, 6 comments)
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24 Aug 2026
CMIP6 biogeochemical models under-represent the deep chlorophyll maximum and diverge in how they express it: a regime-stratified BGC-Argo evaluation in the North Pacific
Taketo Hashioka and Maki N. Aita
EGUsphere, https://doi.org/10.5194/egusphere-2026-4562, 2026
Preprint under review for BG (discussion: open, 1 comment)
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24 Aug 2026
Phytoplankton community responses to 20th century eutrophication of Swiss Plateau lakes: a proxy comparison from short sediment cores
Antonia Klatt, Jan Waelchli, Daniel B. Nelson, Theresa Wietelmann, Nathalie Dubois, and S. Nemiah Ladd
EGUsphere, https://doi.org/10.5194/egusphere-2026-4300, 2026
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20 Aug 2026
Changes in temperature sensitivity of soil respiration with decadal warming
Linsey Maria Avila, Jesper Riis Christiansen, Bjarni Diðrik Sigurdssðn, and Klaus Steenberg Larsen
EGUsphere, https://doi.org/10.5194/egusphere-2026-4047, 2026
Preprint under review for BG (discussion: open, 2 comments)
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19 Aug 2026
How Can Grazing Increase Grassland Carbon Storage: A Mechanistic Modelling Approach
Emma Escoffier, Céline Casenave, and Tanguy Daufresne
EGUsphere, https://doi.org/10.5194/egusphere-2026-4892, 2026
Preprint under review for BG (discussion: open, 1 comment)
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19 Aug 2026
Beyond saturation zones: localized hydrobiogeochemical heterogeneity shapes microbial functional profiles across an arid critical zone
María J. Salinas-Bonillo, María J. López, Lucía Cabello-Alemán, Montserrat Escudero-Clares, Claudia Guillén, Ángel Fernández-Cortés, Juan Gisbert-Gallego, María R. Martínez-Gallardo, and Javier Cabello
EGUsphere, https://doi.org/10.5194/egusphere-2026-4227, 2026
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18 Aug 2026
A comparison of metrics for CO2 uptake efficiency of regional ocean alkalinity enhancement in an Earth system model
Vanessa Teske, Tronje Kemena, and Andreas Oschlies
EGUsphere, https://doi.org/10.5194/egusphere-2026-4781, 2026
Preprint under review for BG (discussion: final response, 3 comments)
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18 Aug 2026
Seasonal methane and nitrous oxide exchange in a sandy coastal eelgrass meadow
Gry Overvad Frederiksberg, Marianna Lanari, Anaïs Richard, Pere Masque, Erik Kristensen, and Cintia Organo Quintana
EGUsphere, https://doi.org/10.5194/egusphere-2026-4778, 2026
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18 Aug 2026
Biological imprint dominates global mesoscale air-sea flux anomalies of carbon dioxide and oxygen
Nana Hocke, Lavinia Patara, John Dunne, Florian Schütte, Mariana Maia Pacheco, and Ivy Frenger
EGUsphere, https://doi.org/10.5194/egusphere-2026-4347, 2026
Preprint under review for BG (discussion: final response, 3 comments)
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17 Aug 2026
Effect of initial pools on carbon balance calculations – a case of larch plantations in northeastern China
Bo Jiang, Xingji Jin, Timo Pukkala, and Fengri Li
EGUsphere, https://doi.org/10.5194/egusphere-2026-4236, 2026
Revised manuscript under review for BG (discussion: final response, 4 comments)
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12 Aug 2026
Warming-induced agricultural nitrous oxide emissions can offset mitigation benefits of fertiliser management
Jize Jiang, Lenny H. E. Winkel, Andrea Stenke, Magdalena Necpalova, Moritz Laub, Iris Feigenwinter, Nina Buchmann, and Johan Six
EGUsphere, https://doi.org/10.5194/egusphere-2026-4445, 2026
Preprint under review for BG (discussion: final response, 4 comments)
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11 Aug 2026
Nitrogen fixation and atmospheric deposition influences on Mediterranean surface and intermediate water nutrient dynamics
Adam Francis, Robyn E. Tuerena, Raja S. Ganeshram, Markus Ankele, Alex R. Baker, Kirstin Dähnke, Sarah E. Reynolds, Ulrike Baranowski, and Claire Mahaffey
EGUsphere, https://doi.org/10.5194/egusphere-2026-4372, 2026
Preprint under review for BG (discussion: open, 0 comments)
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10 Aug 2026
Merging a model of optimal allocation of carbon and nitrogen with one of photosynthesis and respiration
Chris Huntingford, Rebecca J. Oliver, Lina M. Mercado, Stephen A. Sitch, Douglas B. Clark, Annikki Mäkelä, Carolina Mayoral, and Richard J. Norby
EGUsphere, https://doi.org/10.5194/egusphere-2026-4392, 2026
Preprint under review for BG (discussion: open, 2 comments)
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10 Aug 2026
Stoichiometry of marine gels cycling in the North Pacific Subtropical Gyre: Insights on subsurface preformed nitrate anomalies
Stella Rowley, Kieran Curran, Kai Ziervogel, Tracy A. Villareal, and Robert T. Letscher
EGUsphere, https://doi.org/10.5194/egusphere-2026-4289, 2026
Preprint under review for BG (discussion: open, 0 comments)
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10 Aug 2026
Optical and electrochemical measurements characterize different functional fractions of aquatic humic substances
Wiwit, Kuo Hong Wong, Takato Negishi, Adi Tiya Yanuar, Sakura Minamiyama, Shengbin Ni, Tomoya Iwata, Nurhamidah, Dwita Oktiarni, Asami Suzuki Mashio, and Hiroshi Hasegawa
EGUsphere, https://doi.org/10.5194/egusphere-2026-4066, 2026
Preprint under review for BG (discussion: open, 1 comment)
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07 Aug 2026
Otolith trace element composition reveals spatial and ontogenetic structuring in the glacier lanternfish Benthosema glaciale (Reinhardt, 1837)
Francesco Saltalamacchia, Natalya D. Gallo, Arild Folkvord, Anne Gro Vea Salvanes, and Karin Limburg
EGUsphere, https://doi.org/10.5194/egusphere-2026-4521, 2026
Preprint under review for BG (discussion: final response, 4 comments)
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05 Aug 2026
Supraglacial microbial communities from an isolated high mountain glacier in Türkiye
Jakub Tadeusz Kowalik, Krzysztof Zawierucha, Nicoletta Makowska-Zawierucha, Grégoire Michoud, Elizabeth A. Bagshaw, and Ewa Poniecka
EGUsphere, https://doi.org/10.5194/egusphere-2026-4517, 2026
Preprint under review for BG (discussion: open, 2 comments)
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05 Aug 2026
Sedimentary carbon stocks and microbial turnover in shallow coastal areas of the Baltic Sea
Nishant Nishant, Janina Pykäri, Roel Lammerant, Anna Villnäs, Camilla Gustafsson, Alf Norkko, Gregory Cowie, and Tom Jilbert
EGUsphere, https://doi.org/10.5194/egusphere-2026-4456, 2026
Preprint under review for BG (discussion: open, 1 comment)
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05 Aug 2026
Ideas and perspectives: Rethinking climate mitigation of afforestation and rewetting of temperate and boreal degraded organic soils
Aldis Butlers, David Ellison, Ieva Līcīte, and Arta Bārdule
EGUsphere, https://doi.org/10.5194/egusphere-2026-4089, 2026
Preprint under review for BG (discussion: open, 10 comments)
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05 Aug 2026
Phytoplankton community, seasonality, and water chemistry modulate the lacustrine diurnal carbon engine and carbonate δ13C values
Cedric J. Hagen, Elizabeth J. Trower, Andrea Halling, Sarah J. Hurley, Spruce W. Schoenemann, Miquela Ingalls, and Kathryn E. Snell
EGUsphere, https://doi.org/10.5194/egusphere-2026-3594, 2026
Preprint under review for BG (discussion: open, 0 comments)
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05 Aug 2026
Monsoon-influenced terrestrial forcing shapes inter-reef carbonate production (Spermonde Archipelago, Indonesia)
Marleen Stuhr, Yannis Kappelmann, Thomas Mann, Dominik Kneer, Jamaluddin Jompa, and Hildegard Westphal
EGUsphere, https://doi.org/10.5194/egusphere-2026-3460, 2026
Revised manuscript under review for BG (discussion: final response, 11 comments)
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04 Aug 2026
Exploring iron processes in the California Current System through a regional dataset of dissolved iron and organic ligands measurements
Anh Pham, Alexis Floback, Natalya Evans, Claire Till, Ralph Till, James Moffett, Katherine Barbeau, and Daniele Bianchi
EGUsphere, https://doi.org/10.5194/egusphere-2026-4502, 2026
Preprint under review for BG (discussion: final response, 3 comments)
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04 Aug 2026
Short-term variations in air-water gas transfer velocity and CO2 fluxes over a temperate seagrass meadow
Kayleigh E. Granville and Peter Berg
EGUsphere, https://doi.org/10.5194/egusphere-2026-4232, 2026
Preprint under review for BG (discussion: final response, 2 comments)
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03 Aug 2026
Reviews and Syntheses: Carbon and Nitrogen Stable Isotope Analysis of Antarctic Macroalgae: a 35-Year Record for Environmental Change
Freya Catherine Alldred and Darren Gröcke
EGUsphere, https://doi.org/10.5194/egusphere-2026-4443, 2026
Preprint under review for BG (discussion: final response, 6 comments)
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31 Jul 2026
A machine learning approach for detecting biofouling in oceanographic data
Ourania Giannopoulou
EGUsphere, https://doi.org/10.5194/egusphere-2026-4153, 2026
Revised manuscript under review for BG (discussion: final response, 4 comments)
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CC BY 4.0