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The following lists the recent preprints posted on EGUsphere with BG-related topics as well as final revised papers published recently in BG.
17 Oct 2025
Norway spruce shows stronger growth sensitivity and weaker intrinsic water-use efficiency response than Scots pine under increasing water limitation in southern Finland
Paul Szejner, Eduardo Martínez-García, Helena Haakana, Juha Heikkinen, Katja T. Rinne-Garmston, Petri Kilpeläinen, Giles Young, Elina Sahlstedt, Raisa Mäkipää, and Aleksi Lehtonen
EGUsphere, https://doi.org/10.5194/egusphere-2025-4994,https://doi.org/10.5194/egusphere-2025-4994, 2025
Preprint under review for BG (discussion: open, 0 comments)
Short summary
16 Oct 2025
Reviews and syntheses: Contribution of sulfate to aerobic methane oxidation in upland soils – a mini-review
Rui Su, Kexin Li, Nannan Wang, Fenghui Yuan, Ying Zhao, Yunjiang Zuo, Ying Sun, Liyuan He, Lixin Yang, Xiaofeng Xu, and Lihua Zhang
Biogeosciences, 22, 5625–5634, https://doi.org/10.5194/bg-22-5625-2025,https://doi.org/10.5194/bg-22-5625-2025, 2025
Short summary
16 Oct 2025
Quantifying new versus old aerosol deposition in forest canopies: throughfall mass balance with fallout radionuclide chronometry
Joshua D. Landis
Biogeosciences, 22, 5607–5624, https://doi.org/10.5194/bg-22-5607-2025,https://doi.org/10.5194/bg-22-5607-2025, 2025
Short summary
16 Oct 2025
A simplified approach for measuring Rubisco carbon isotope fractionation and the first determination in marine haptophyte Gephyrocapsa oceanica
Reto Simon Wijker, Pere Aguiló-Nicolau, Madalina Jaggi, Jeroni Galmés, and Heather Marie Stoll
EGUsphere, https://doi.org/10.5194/egusphere-2025-5010,https://doi.org/10.5194/egusphere-2025-5010, 2025
Preprint under review for BG (discussion: open, 0 comments)
Short summary
16 Oct 2025
Spatiotemporal patterns in CO2 fluxes and geochemical weathering in mountain glacial rivers
Jessica A. Serbu, Suzanne E. Tank, Bernhard Peucker-Ehrenbrink, Xiying Sun, Craig A. Emmerton, and Vincent L. St. Louis
EGUsphere, https://doi.org/10.5194/egusphere-2025-5020,https://doi.org/10.5194/egusphere-2025-5020, 2025
Preprint under review for BG (discussion: open, 0 comments)
Short summary
15 Oct 2025
Human activities caused hypoxia expansion in a large eutrophic estuary: non-negligible role of riverine suspended sediments
Yue Nan, Zheng Chen, Bin Wang, Bo Liang, and Jiatang Hu
Biogeosciences, 22, 5573–5589, https://doi.org/10.5194/bg-22-5573-2025,https://doi.org/10.5194/bg-22-5573-2025, 2025
Short summary
15 Oct 2025
Reviews and syntheses: Potential and limitations of oceanic carbon dioxide storage via reactor-based accelerated weathering of limestone
Tom Huysmans, Filip J. R. Meysman, and Sebastiaan J. van de Velde
Biogeosciences, 22, 5557–5572, https://doi.org/10.5194/bg-22-5557-2025,https://doi.org/10.5194/bg-22-5557-2025, 2025
Short summary
15 Oct 2025
2022 drought consequences on nutrient dynamics in forest soil solutions of a declining spruces plot in the Strengbach catchment (Vosges Mountains, France)
Adrien Saphy, Emilie Beaulieu, Marie-Noëlle Pons, Benjamin Belfort, and Marie-Claire Pierret
EGUsphere, https://doi.org/10.5194/egusphere-2025-4622,https://doi.org/10.5194/egusphere-2025-4622, 2025
Preprint under review for BG (discussion: open, 0 comments)
Short summary
15 Oct 2025
Vegetation health monitoring based on sub-daily sap flow variability
Anna T. Schackow, Susan C. Steele-Dunne, David T. Milodowski, Jean-Marc Limousin, and Ana Bastos
EGUsphere, https://doi.org/10.5194/egusphere-2025-4884,https://doi.org/10.5194/egusphere-2025-4884, 2025
Preprint under review for BG (discussion: open, 0 comments)
Short summary
15 Oct 2025
The carbon dioxide removal potential of cement and lime kiln dust via ocean alkalinity enhancement
Gunter Flipkens, Greet Lembregts, and Filip Meysman
EGUsphere, https://doi.org/10.5194/egusphere-2025-4887,https://doi.org/10.5194/egusphere-2025-4887, 2025
Preprint under review for BG (discussion: open, 0 comments)
Short summary
15 Oct 2025
Marine particles and their remineralization buffer future ocean biogeochemistry response to climate warming
Joeran Maerz, Katharina D. Six, Soeren Ahmerkamp, and Tatiana Ilyina
EGUsphere, https://doi.org/10.5194/egusphere-2025-4815,https://doi.org/10.5194/egusphere-2025-4815, 2025
Preprint under review for BG (discussion: open, 0 comments)
Short summary
14 Oct 2025
N transformations in nitrate-rich groundwaters: combined isotope and microbial approach
Sushmita Deb, Mikk Espenberg, Reinhard Well, Michał Bucha, Marta Jakubiak, Ülo Mander, Mariusz-Orion Jędrysek, and Dominika Lewicka-Szczebak
Biogeosciences, 22, 5535–5556, https://doi.org/10.5194/bg-22-5535-2025,https://doi.org/10.5194/bg-22-5535-2025, 2025
Short summary
13 Oct 2025
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
EGUsphere, https://doi.org/10.5194/egusphere-2025-4494,https://doi.org/10.5194/egusphere-2025-4494, 2025
Preprint under review for BG (discussion: open, 0 comments)
Short summary
10 Oct 2025
Long-term nitrogen fertilization alters microbial respiration sensitivity to temperature and moisture, potentially enhancing soil carbon retention in a boreal Scots pine forest
Boris Ťupek, Aleksi Lehtonen, Stefano Manzoni, Elisa Bruni, Petr Baldrian, Etienne Richy, Bartosz Adamczyk, Bertrand Guenet, and Raisa Mäkipää
Biogeosciences, 22, 5497–5510, https://doi.org/10.5194/bg-22-5497-2025,https://doi.org/10.5194/bg-22-5497-2025, 2025
Short summary
10 Oct 2025
Microbial sulfur cycling across a 13 500-year-old lake sediment record
Jasmine S. Berg, Paula C. Rodriguez, Cara Magnabosco, Longhui Deng, Stefano M. Bernasconi, Hendrik Vogel, Marina Morlock, and Mark A. Lever
Biogeosciences, 22, 5483–5496, https://doi.org/10.5194/bg-22-5483-2025,https://doi.org/10.5194/bg-22-5483-2025, 2025
Short summary
10 Oct 2025
| Highlight paper
A tracer study for the development of in-water monitoring, reporting, and verification (MRV) of ship-based ocean alkalinity enhancement
Adam V. Subhas, Jennie E. Rheuban, Zhaohui Aleck Wang, Daniel C. McCorkle, Anna P. M. Michel, Lukas Marx, Chloe L. Dean, Kate Morkeski, Matthew G. Hayden, Mary Burkitt-Gray, Francis Elder, Yiming Guo, Heather H. Kim, and Ke Chen
Biogeosciences, 22, 5511–5534, https://doi.org/10.5194/bg-22-5511-2025,https://doi.org/10.5194/bg-22-5511-2025, 2025
Short summary Co-editor-in-chief
10 Oct 2025
Spatiotemporal Variability and Environmental Controls on Aquatic Methane Emissions in an Arctic Permafrost Catchment
Michael W. Thayne, Karl Kemper, Christian Wille, Aram Kalhori, and Torsten Sachs
EGUsphere, https://doi.org/10.5194/egusphere-2025-4754,https://doi.org/10.5194/egusphere-2025-4754, 2025
Preprint under review for BG (discussion: open, 0 comments)
Short summary
10 Oct 2025
Fluvial biofilm phosphorus entrapment shifts from intracellular to extracellular dominance along a multifactorial longitudinal river gradient
Simon Wentritt, Markus Weitere, David Kneis, Karla Münzner, and Nuria Perujo
EGUsphere, https://doi.org/10.5194/egusphere-2025-4844,https://doi.org/10.5194/egusphere-2025-4844, 2025
Preprint under review for BG (discussion: open, 0 comments)
Short summary
09 Oct 2025
| Highlight paper
Mapping the safe operating space of marine ecosystems under contrasting emission pathways
Timothée Bourgeois, Giang T. Tran, Aurich Jeltsch-Thömmes, Jörg Schwinger, Friederike Fröb, Thomas L. Frölicher, Thorsten Blenckner, Olivier Torres, Jean Negrel, David P. Keller, Andreas Oschlies, Laurent Bopp, and Fortunat Joos
Biogeosciences, 22, 5435–5462, https://doi.org/10.5194/bg-22-5435-2025,https://doi.org/10.5194/bg-22-5435-2025, 2025
Short summary Co-editor-in-chief
09 Oct 2025
Refining marine net primary production estimates: advanced uncertainty quantification through probability prediction models
Jie Niu, Mengyu Xie, Yanqun Lu, Liwei Sun, Na Liu, Han Qiu, Dongdong Liu, Chuanhao Wu, and Pan Wu
Biogeosciences, 22, 5463–5482, https://doi.org/10.5194/bg-22-5463-2025,https://doi.org/10.5194/bg-22-5463-2025, 2025
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09 Oct 2025
Temporal patterns of greenhouse gas emissions from two small thermokarst lakes in Nunavik, Canada
Amélie Pouliot, Isabelle Laurion, Antoine Thiboult, and Daniel F. Nadeau
Biogeosciences, 22, 5413–5433, https://doi.org/10.5194/bg-22-5413-2025,https://doi.org/10.5194/bg-22-5413-2025, 2025
Short summary
09 Oct 2025
Seasonal to long-term variability of natural and anthropogenic carbon concentrations and transports in the subpolar North Atlantic Ocean
Raphaël Bajon, Lidia I. Carracedo, Herlé Mercier, Rémy Asselot, and Fiz F. Pérez
EGUsphere, https://doi.org/10.5194/egusphere-2025-4425,https://doi.org/10.5194/egusphere-2025-4425, 2025
Preprint under review for BG (discussion: open, 1 comment)
Short summary
08 Oct 2025
Aquatic metabolism influences temporal variations of water carbon and atmospheric carbon dioxide fluxes in a temperate salt marsh
Jérémy Mayen, Pierre Polsenaere, Aurore Regaudie de Gioux, Jonathan Deborde, Karine Collin, Yoann Le Merrer, Élodie Foucault, Vincent Ouisse, Laurent André, Marie Arnaud, Pierre Kostyrka, Éric Lamaud, Gwenaël Abril, and Philippe Souchu
Biogeosciences, 22, 5387–5411, https://doi.org/10.5194/bg-22-5387-2025,https://doi.org/10.5194/bg-22-5387-2025, 2025
Short summary
08 Oct 2025
Optimization of the World Ocean Model of Biogeochemistry and Trophic dynamics (WOMBAT) using surrogate machine learning methods
Pearse J. Buchanan, P. Jyoteeshkumar Reddy, Richard J. Matear, Matthew A. Chamberlain, Tyler Rohr, Dougal Squire, and Elizabeth H. Shadwick
Biogeosciences, 22, 5349–5385, https://doi.org/10.5194/bg-22-5349-2025,https://doi.org/10.5194/bg-22-5349-2025, 2025
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08 Oct 2025
| BG Letters
| Highlight paper
Extensive fire-driven degradation in 2024 marks worst Amazon forest disturbance in over 2 decades
Clément Bourgoin, René Beuchle, Alfredo Branco, João Carreiras, Guido Ceccherini, Duarte Oom, Jesus San-Miguel-Ayanz, and Fernando Sedano
Biogeosciences, 22, 5247–5256, https://doi.org/10.5194/bg-22-5247-2025,https://doi.org/10.5194/bg-22-5247-2025, 2025
Short summary Co-editor-in-chief
08 Oct 2025
Modelling root exudation and plant-microbe interactions under CO2 fertilization in a mature forest
Kristian Schufft, Katrin Fleischer, Anja Rammig, Lin Yu, Mingkai Jiang, Belinda E. Medlyn, and Sönke Zaehle
EGUsphere, https://doi.org/10.5194/egusphere-2025-4286,https://doi.org/10.5194/egusphere-2025-4286, 2025
Preprint under review for BG (discussion: open, 0 comments)
Short summary
07 Oct 2025
Future forests: estimating biogenic emissions from net-zero aligned afforestation pathways in the UK
Hazel Mooney, Stephen Arnold, Ben Silver, Piers M. Forster, and Catherine E. Scott
Biogeosciences, 22, 5309–5328, https://doi.org/10.5194/bg-22-5309-2025,https://doi.org/10.5194/bg-22-5309-2025, 2025
Short summary
07 Oct 2025
Chemical and stable carbon isotopic compositions of PM2.5 from two typical forests in China: implication for sources
Mingyu Li, Zhanjie Xu, Zhichao Dong, Junjun Deng, Pingqing Fu, and Chandra Mouli Pavuluri
Biogeosciences, 22, 5329–5347, https://doi.org/10.5194/bg-22-5329-2025,https://doi.org/10.5194/bg-22-5329-2025, 2025
Short summary
07 Oct 2025
Imprint of minute hydrocarbon seepage on solid phase and pore water geochemistry in organic-poor subseafloor sediment
Ellen Schnabel, Jessica A. Stammeier, Stefanie Poetz, Kai Mangelsdorf, Aurèle Vuillemin, Rolando di Primio, Jens Kallmeyer, and the PROSPECTOMICS Consortium
External preprint server, https://doi.org/10.22541/essoar.175399495.59610535/v1,https://doi.org/10.22541/essoar.175399495.59610535/v1, 2025
Preprint under review for BG (discussion: open, 0 comments)
Short summary
06 Oct 2025
Ecosystem dynamics of an ice-poor permafrost peatland in eastern Eurasia: paleoecological insights into climate sensitivity
Zhengyu Xia, Fengtong Chen, Mengyang Guo, and Zicheng Yu
Biogeosciences, 22, 5283–5308, https://doi.org/10.5194/bg-22-5283-2025,https://doi.org/10.5194/bg-22-5283-2025, 2025
Short summary
06 Oct 2025
Evaluation of national Greenhouse Gas Removal potential under a changing climate using a process-based land surface model
Hsi-Kai Chou, Anna B. Harper, Arthur P. K. Argles, Maria Carolina Duran Rojas, Emma W. Littleton, Richard A. Betts, and Peter M. Cox
EGUsphere, https://doi.org/10.5194/egusphere-2025-4536,https://doi.org/10.5194/egusphere-2025-4536, 2025
Preprint under review for BG (discussion: open, 0 comments)
Short summary
06 Oct 2025
Heterogeneous future Arctic Ocean primary productivity changes projected in CMIP6
Léna L. Champiot-Bayard, Lester L. Kwiatkowski, and Martin M. Vancoppenolle
EGUsphere, https://doi.org/10.5194/egusphere-2025-4296,https://doi.org/10.5194/egusphere-2025-4296, 2025
Preprint under review for BG (discussion: open, 0 comments)
Short summary
06 Oct 2025
Reviews and syntheses: Bioturbation impacts on sediment accretion and erosion in tidal marshes, with implications for carbon burial and sequestration
Leigh-Ann Smit, Janine Adams, and Gavin Rishworth
EGUsphere, https://doi.org/10.5194/egusphere-2025-4749,https://doi.org/10.5194/egusphere-2025-4749, 2025
Preprint under review for BG (discussion: open, 0 comments)
Short summary
06 Oct 2025
Methane releases across the Laptev Sea signaled by time-integrated biomarkers of aerobic methane oxidation
Albin Eriksson, Birgit Wild, Wei-Li Hong, Henry Holmstrand, Francisco Jardim de Almada Nascimento, Stefano Bonaglia, Denis Kosmach, Igor Semiletov, Natalia Shakhova, and Örjan Gustafsson
EGUsphere, https://doi.org/10.5194/egusphere-2025-4756,https://doi.org/10.5194/egusphere-2025-4756, 2025
Preprint under review for BG (discussion: open, 0 comments)
Short summary
06 Oct 2025
Matching scales of eddy covariance measurements and process-based modeling – Assessing spatiotemporal dynamics of carbon and water fluxes in a mixed forest in Southern Germany
Hassane Moutahir, Markus Sulzer, Ralf Kiese, Andreas Christen, Markus Weiler, Lea Dedden, Julian Brzozon, Pia Labenski, Prajwal Khanal, Ladislav Šigut, and Rüdiger Grote
EGUsphere, https://doi.org/10.5194/egusphere-2025-4605,https://doi.org/10.5194/egusphere-2025-4605, 2025
Preprint under review for BG (discussion: open, 1 comment)
Short summary
06 Oct 2025
Reconstruction and Spatiotemporal Analysis of Global Surface Ocean pCO₂ Considering Sea Area Characteristics
Huisheng Wu, Yunlong Ji, Lejie Wang, Xiaoke Liu, Wenliang Zhou, Long Cui, Yang Wang, Min Liu, and Zhuang Li
EGUsphere, https://doi.org/10.5194/egusphere-2025-4792,https://doi.org/10.5194/egusphere-2025-4792, 2025
Preprint under review for BG (discussion: open, 0 comments)
Short summary
05 Oct 2025
A synthesis of water, energy, and carbon fluxes sensitivity to climate variables in Southeast Asia
Jianning Ren, Zhaoyang Luo, Xiangzhong Luo, Stefano Galelli, Athanasios Paschalis, Valeriy Ivanov, Shanti Shwarup Mahto, and Simone Fatichi
EGUsphere, https://doi.org/10.5194/egusphere-2025-4570,https://doi.org/10.5194/egusphere-2025-4570, 2025
Preprint under review for BG (discussion: open, 0 comments)
Short summary
05 Oct 2025
Spatial heterogeneity of soil organic matter and microbial community composition across ice-wedge polygons and soil layers in Arctic lowland tundra
Victoria Martin, Cornelia Rottensteiner, Hannes Schmidt, Moritz Mohrlok, Julia Horak, Carolina Urbina-Malo, Julia Wagner, Willeke A' Campo, Luca Durstewitz, Niek Jesse Speetjens, Rachele Lodi, Bela Hausmann, Michael Fritz, Gustaf Hugelius, and Andreas Richter
EGUsphere, https://doi.org/10.5194/egusphere-2025-4603,https://doi.org/10.5194/egusphere-2025-4603, 2025
Preprint under review for BG (discussion: open, 0 comments)
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05 Oct 2025
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 Iragi, Landry Cizungu Ntaboba, Leonardo Ramirez-Lopez, Johan Six, Daniel Wasner, and Sebastian Doetterl
EGUsphere, https://doi.org/10.5194/egusphere-2025-4625,https://doi.org/10.5194/egusphere-2025-4625, 2025
Preprint under review for BG (discussion: open, 0 comments)
Short summary
02 Oct 2025
Photosynthetic electron, carbon, and oxygen fluxes within a mosaic of Fe limitation in the California Current upwelling system
Yayla Sezginer, Kate Schuler, Emily Speciale, Adrian Marchetti, Claire Till, Ralph Till, and Philippe Tortell
Biogeosciences, 22, 5257–5281, https://doi.org/10.5194/bg-22-5257-2025,https://doi.org/10.5194/bg-22-5257-2025, 2025
Short summary
01 Oct 2025
Drivers of and uncertainty in Amazon carbon sink long-term and interannual variability in CMIP6 models
Matteo Mastropierro, Daniele Peano, and Davide Zanchettin
Biogeosciences, 22, 5231–5246, https://doi.org/10.5194/bg-22-5231-2025,https://doi.org/10.5194/bg-22-5231-2025, 2025
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01 Oct 2025
Environmental drivers constraining the seasonal variability in satellite-observed and modelled methane at northern high latitudes
Ella Kivimäki, Maria Tenkanen, Tuula Aalto, Michael Buchwitz, Kari Luojus, Jouni Pulliainen, Kimmo Rautiainen, Oliver Schneising, Anu-Maija Sundström, Johanna Tamminen, Aki Tsuruta, and Hannakaisa Lindqvist
Biogeosciences, 22, 5193–5230, https://doi.org/10.5194/bg-22-5193-2025,https://doi.org/10.5194/bg-22-5193-2025, 2025
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01 Oct 2025
Adaptation of methane-oxidizing bacteria to environmental changes: implications for coastal methane dynamics
Tim R. de Groot, Julia C. Engelmann, Pierre Ramond, Julia Dorigo, Judith van Bleijswijk, and Helge Niemann
Biogeosciences, 22, 5173–5191, https://doi.org/10.5194/bg-22-5173-2025,https://doi.org/10.5194/bg-22-5173-2025, 2025
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01 Oct 2025
Technical note: Development of an extraction protocol and colorimetric analysis for alginate in marine sediment
Sota Nakazato, Takashi Kawahara, Reiji Ichii, Shingo Akita, Akira Inoue, Masaki Fujita, Hideyuki Kurihara, Mitsuhiro Nakaya, and Atsushi Ooki
EGUsphere, https://doi.org/10.5194/egusphere-2025-4577,https://doi.org/10.5194/egusphere-2025-4577, 2025
Preprint under review for BG (discussion: open, 0 comments)
Short summary
30 Sep 2025
Terrestrial and marine plastic pollution outlook in the Mediterranean region: a box-model approach based on OECD policy scenarios
Théo Segur and Jeroen E. Sonke
Biogeosciences, 22, 5139–5156, https://doi.org/10.5194/bg-22-5139-2025,https://doi.org/10.5194/bg-22-5139-2025, 2025
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30 Sep 2025
Estimation of metabolic dynamics of restored seagrass meadows in a Southeast Asia islet: insights from ex situ benthic incubation
Mariche Bandibas-Natividad, Jian-Jhih Chen, Hsin-Yu Chou, Lan-Feng Fan, Yi-Le Shen, and Wen-Chen Chou
Biogeosciences, 22, 5157–5171, https://doi.org/10.5194/bg-22-5157-2025,https://doi.org/10.5194/bg-22-5157-2025, 2025
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30 Sep 2025
Technical note: How well do evapotranspiration partitioning approaches perform in moss-covered wetlands?
Yi Wang, Richard M. Petrone, and Lei Zhang
EGUsphere, https://doi.org/10.5194/egusphere-2025-4252,https://doi.org/10.5194/egusphere-2025-4252, 2025
Preprint under review for BG (discussion: open, 0 comments)
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30 Sep 2025
Multi-scale dynamics of carbon dioxide flux and its environmental drivers in the Pantanal wetland
Tarcis A. O. dos Santos, Alberto S. de Arruda, Paulo H. Z. de Arruda, and Gilney F. Zebende
EGUsphere, https://doi.org/10.5194/egusphere-2025-4102,https://doi.org/10.5194/egusphere-2025-4102, 2025
Preprint under review for BG (discussion: open, 0 comments)
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29 Sep 2025
Snow thermal conductivity controls future winter carbon emissions in shrub–tundra
Johnny Rutherford, Nick Rutter, Leanne Wake, and Alex J. Cannon
Biogeosciences, 22, 5031–5049, https://doi.org/10.5194/bg-22-5031-2025,https://doi.org/10.5194/bg-22-5031-2025, 2025
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29 Sep 2025
From small-scale variability to mesoscale stability in surface ocean pH: implications for air–sea CO2 equilibration
Louise Delaigue, Gert-Jan Reichart, Li Qiu, Eric P. Achterberg, Yasmina Ourradi, Chris Galley, André Mutzberg, and Matthew P. Humphreys
Biogeosciences, 22, 5103–5121, https://doi.org/10.5194/bg-22-5103-2025,https://doi.org/10.5194/bg-22-5103-2025, 2025
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29 Sep 2025
Effect of preceding integrated and organic farming on 15N recovery and the N balance, including emissions of NH3, N2O, and N2 and leaching of NO3
Fawad Khan, Samuel Franco Luesma, Frederik Hartmann, Michael Dannenmann, Rainer Gasche, Clemens Scheer, Andreas Gattinger, Wiebke Niether, Elizabeth Gachibu Wangari, Ricky Mwangada Mwanake, Ralf Kiese, and Benjamin Wolf
Biogeosciences, 22, 5081–5102, https://doi.org/10.5194/bg-22-5081-2025,https://doi.org/10.5194/bg-22-5081-2025, 2025
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29 Sep 2025
| Highlight paper
Technical note: Pondi – a low-cost logger for long-term monitoring of methane, carbon dioxide, and nitrous oxide in aquatic and terrestrial systems
Martino E. Malerba, Blake Edwards, Lukas Schuster, Omosalewa Odebiri, Josh Glen, Rachel Kelly, Paul Phan, Alistair Grinham, and Peter I. Macreadie
Biogeosciences, 22, 5051–5067, https://doi.org/10.5194/bg-22-5051-2025,https://doi.org/10.5194/bg-22-5051-2025, 2025
Short summary Co-editor-in-chief
29 Sep 2025
| Highlight paper
Physiological responses to ultra-high CO2 levels in an evergreen tree species
Ben-El Levy, Yedidya Ben-Eliyahu, Yaniv-Brian Grunstein, Itay Halevy, and Tamir Klein
Biogeosciences, 22, 5069–5079, https://doi.org/10.5194/bg-22-5069-2025,https://doi.org/10.5194/bg-22-5069-2025, 2025
Short summary Co-editor-in-chief
29 Sep 2025
Hydrodynamic and primary production effects on seasonal DO variability in the Danube River
Jan Maier, Anna-Neva Visser, Christina M. Schubert, Simon T. Wander, and Johannes A. C. Barth
Biogeosciences, 22, 5123–5137, https://doi.org/10.5194/bg-22-5123-2025,https://doi.org/10.5194/bg-22-5123-2025, 2025
Short summary
29 Sep 2025
Amending solid carbon from methane cracking to arable soils: A sustainable approach to increase carbon storage and heavy metal immobilization?
Hermin Saki, Kateryna Kostiuk, Joachim Ingwersen, Galina Krauße, Valentin L’hospital, Nolven Guilhaume, Marilena Radoiu, David Farrusseng, Thilo Streck, Ellen Kandeler, and Sven Marhan
EGUsphere, https://doi.org/10.5194/egusphere-2025-3866,https://doi.org/10.5194/egusphere-2025-3866, 2025
Preprint under review for BG (discussion: open, 0 comments)
Short summary
29 Sep 2025
Moisture storage, transport and mixing processes after sprinkler irrigation of Pasture cropland: Understanding based on water isotopes
Jiangwei Yang, Guofeng Zhu, Rui Li, Yinying Jiao, Xiaoyu Qi, Zhijie Zheng, Wenmin Li, and Yani Gun
EGUsphere, https://doi.org/10.5194/egusphere-2025-4004,https://doi.org/10.5194/egusphere-2025-4004, 2025
Preprint under review for BG (discussion: open, 0 comments)
Short summary
29 Sep 2025
Optimizing a large number of parameters in a Biogeochemical Model: A Multi-Variable BGC-Argo Data Assimilation Approach
Quentin Hyvernat, Alexandre Mignot, Elodie Gutknecht, Giovanni Ruggiero, Coralie Perruche, Guillaume Samson, Raphaëlle Sauzède, Olivier Aumont, Hervé Claustre, and Fabrizio D'Ortenzio
EGUsphere, https://doi.org/10.5194/egusphere-2025-4369,https://doi.org/10.5194/egusphere-2025-4369, 2025
Preprint under review for BG (discussion: open, 2 comments)
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29 Sep 2025
Modelling sun-induced chlorophyll fluorescence (SIF) in evergreen conifer forests with a terrestrial biosphere model
Tea Thum, Javier Pacheco-Labrador, Mika Aurela, Alan Barr, Marika Honkanen, Bruce Johnson, Hannakaisa Lindqvist, Troy Magney, Mirco Migliavacca, Zoe Amie Pierrat, Tristan Quaife, Jochen Stutz, and Sönke Zaehle
EGUsphere, https://doi.org/10.5194/egusphere-2025-4432,https://doi.org/10.5194/egusphere-2025-4432, 2025
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26 Sep 2025
Tree growth and water-use efficiency at the Himalayan fir treeline and lower altitudes: roles of climate warming and CO2 fertilization
Xing Pu and Lixin Lyu
Biogeosciences, 22, 4993–5007, https://doi.org/10.5194/bg-22-4993-2025,https://doi.org/10.5194/bg-22-4993-2025, 2025
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26 Sep 2025
Northern North Atlantic climate variability controls on ocean carbon sinks in EC-Earth3-CC
Anna Pedersen, Carolin R. Löscher, and Steffen M. Olsen
Biogeosciences, 22, 5009–5029, https://doi.org/10.5194/bg-22-5009-2025,https://doi.org/10.5194/bg-22-5009-2025, 2025
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26 Sep 2025
Technical note: Euclidean Distance Score (EDS) for algorithm performance assessment in aquatic remote sensing
Amanda de Liz Arcari, Juliana Tavora, Daphne van der Wal, and Mhd. Suhyb Salama
EGUsphere, https://doi.org/10.5194/egusphere-2025-4343,https://doi.org/10.5194/egusphere-2025-4343, 2025
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26 Sep 2025
Fucoidan carbon is stored in coastal vegetated ecosystems
Inga Hellige, Aman Akeerath Mundanatt, Jana C. Massing, and Jan-Hendrik Hehemann
External preprint server, https://doi.org/10.1101/2024.12.02.624615,https://doi.org/10.1101/2024.12.02.624615, 2025
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25 Sep 2025
Grassland yield estimations – potentials and limitations of remote sensing in comparison to process-based modeling and field measurements
Sophie Reinermann, Carolin Boos, Andrea Kaim, Anne Schucknecht, Sarah Asam, Ursula Gessner, Sylvia H. Annuth, Thomas M. Schmitt, Thomas Koellner, and Ralf Kiese
Biogeosciences, 22, 4969–4992, https://doi.org/10.5194/bg-22-4969-2025,https://doi.org/10.5194/bg-22-4969-2025, 2025
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25 Sep 2025
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Impacts of eutrophication and deoxygenation on the sediment biogeochemistry in the Sea of Marmara
İsmail Akçay, Süleyman Tuğrul, Hasan Örek, Devrim Tezcan, Koray Özhan, Barış Salihoğlu, and Mustafa Yücel
Biogeosciences, 22, 4953–4968, https://doi.org/10.5194/bg-22-4953-2025,https://doi.org/10.5194/bg-22-4953-2025, 2025
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25 Sep 2025
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Multidecadal trends in CO2 evasion and aquatic metabolism in a large temperate river
An Truong Nguyen, Gwenaël Abril, Jacob S. Diamond, Raphaël Lamouroux, Cécile Martinet, and Florentina Moatar
Biogeosciences, 22, 4923–4951, https://doi.org/10.5194/bg-22-4923-2025,https://doi.org/10.5194/bg-22-4923-2025, 2025
Short summary Co-editor-in-chief
25 Sep 2025
Heavy precipitation-induced Yangtze River runoff greatly regulates heterotrophic prokaryotes production and induces P-limited growth in the northern East China Sea
Yong-Jae Baek, Bomina Kim, Seok-Hyun Youn, Sang-Heon Lee, Hyo-Keun Jang, Heejun Han, Hugh W. Ducklow, Sung-Han Kim, and Jung-Ho Hyun
EGUsphere, https://doi.org/10.5194/egusphere-2025-4211,https://doi.org/10.5194/egusphere-2025-4211, 2025
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25 Sep 2025
Evaluating ocean alkalinity enhancement for carbon dioxide removal: evidence from a one-year saltmarsh field experiment
Isabel Mendes, Julia Lübbers, Joachim Schönfeld, and Alexandra Cravo
EGUsphere, https://doi.org/10.5194/egusphere-2025-4555,https://doi.org/10.5194/egusphere-2025-4555, 2025
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25 Sep 2025
Reviews and syntheses: Current perspectives on biosphere research 2025: from poly-crisis to poly-solutions
Friedrich J. Bohn, Giles B. Sioen, Ana Bastos, Yolandi Ernst, Marcin P. Jarzebski, Niak S. Koh, Romina Martin, Anja Rammig, Alex Godoy-Faúndez, Alexandros Gasparatos, Alvaro G. Gutiérrez, Amanda J. Aceituno, Andra-Ioana Horcea-Milcu, Andrea Marais-Potgieter, Ayyoob Sharifi, Caroline Howe, Cornelia B. Krug, Eduardo E. Acosta, Emmanuel F. Nzunda, Erik Andersson, Hans-Otto Pörtner, Helen Sooväli-Sepping, Ishihara Hiroe, Ivan Palmegiani, Kaera Coetzer, Kirsten Thonike, Krizler Tanalgo, Lisa Biber-Freudenberger, Nicholas O. Oguge, Mi S. Park, Milena Gross, Pablo De La Cruz, Paula R. Prist, Peng Bi, Rivera Diego, Roman Isaac, Rosemary McFarlane, Sinikka J. Paulus, Stefanie Burkhart, Sung-Ching Lee, Susanne Müller, Uchi D. Terhile, Wan-Yu Shih, William K. Smith, Viola Hakkarainen, Virginia Murray, Yuki Yoshida, Yohannes T. Damtew, and Zeenat Niazi
EGUsphere, https://doi.org/10.5194/egusphere-2025-3619,https://doi.org/10.5194/egusphere-2025-3619, 2025
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24 Sep 2025
European tree cover during the Holocene reconstructed from pollen records
Luke Sweeney, Sandy P. Harrison, and Marc Vander Linden
Biogeosciences, 22, 4903–4922, https://doi.org/10.5194/bg-22-4903-2025,https://doi.org/10.5194/bg-22-4903-2025, 2025
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24 Sep 2025
A niche for diverse cable bacteria in continental margin sediments overlain by oxygen-deficient waters
Caroline P. Slomp, Martijn Hermans, Niels A. G. M. van Helmond, Silke Severmann, James McManus, Marit R. van Erk, and Sairah Malkin
Biogeosciences, 22, 4885–4902, https://doi.org/10.5194/bg-22-4885-2025,https://doi.org/10.5194/bg-22-4885-2025, 2025
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24 Sep 2025
Annual Growth Rates of Column-Averaged CO2 Inferred from Total Carbon Column Observing Network (TCCON)
Nasrin Mostafavi Pak, Jonas Hachmeister, Markus Rettinger, Matthias Buschmann, Nicholas M. Deutscher, David W. T. Griffith, Laura T. Iraci, Xin Lan, Erin McGee, Isamu Morino, Dave Pollard, Coleen M. Roehl, Kimberly Strong, Rigel Kivi, and Paul Wennberg
EGUsphere, https://doi.org/10.5194/egusphere-2025-4080,https://doi.org/10.5194/egusphere-2025-4080, 2025
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24 Sep 2025
Imprint of eutrophication on methane-cycling microbes in freshwater sediment
Alice Bosco-Santos, Eulalie Rose Beyala Bekono, Santona Khatun, Marie-Ève Monchamp, Joana Séneca, Petra Pjevac, and Jasmine Sofia Berg
EGUsphere, https://doi.org/10.5194/egusphere-2025-4489,https://doi.org/10.5194/egusphere-2025-4489, 2025
Preprint under review for BG (discussion: open, 0 comments)
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23 Sep 2025
Old carbon, new insights: thermal reactivity and bioavailability of saltmarsh soils
Alex Houston, Mark H. Garnett, and William E. N. Austin
Biogeosciences, 22, 4851–4864, https://doi.org/10.5194/bg-22-4851-2025,https://doi.org/10.5194/bg-22-4851-2025, 2025
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23 Sep 2025
Relative enrichment of ammonium and its impacts on open-ocean phytoplankton community composition under a high-emissions scenario
Pearse J. Buchanan, Juan J. Pierella Karlusich, Robyn E. Tuerena, Roxana Shafiee, E. Malcolm S. Woodward, Chris Bowler, and Alessandro Tagliabue
Biogeosciences, 22, 4865–4883, https://doi.org/10.5194/bg-22-4865-2025,https://doi.org/10.5194/bg-22-4865-2025, 2025
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22 Sep 2025
Can atmospheric chemistry deposition schemes reliably simulate stomatal ozone flux across global land covers and climates?
Tamara Emmerichs, Abdulla Al Mamun, Lisa Emberson, Huiting Mao, Leiming Zhang, Limei Ran, Clara Betancourt, Anthony Wong, Gerbrand Koren, Giacomo Gerosa, Min Huang, and Pierluigi Guaita
Biogeosciences, 22, 4823–4849, https://doi.org/10.5194/bg-22-4823-2025,https://doi.org/10.5194/bg-22-4823-2025, 2025
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22 Sep 2025
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Peatland development reconstruction and complex biological responses to permafrost thawing in Western Siberia
Agnieszka Halaś, Mariusz Lamentowicz, Milena Obremska, Dominika Łuców, and Michał Słowiński
Biogeosciences, 22, 4797–4822, https://doi.org/10.5194/bg-22-4797-2025,https://doi.org/10.5194/bg-22-4797-2025, 2025
Short summary Co-editor-in-chief
22 Sep 2025
Pb and Fe flow through the mire-lake complex of Skogaryd catchment – a system under anthropogenic influence
Jonas Thomsen, Signe Lett, Leif Klemedtsson, Delia Rösel, Louise Rütting, Katja Salomon Johansen, and Tobias Rütting
EGUsphere, https://doi.org/10.5194/egusphere-2025-4108,https://doi.org/10.5194/egusphere-2025-4108, 2025
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19 Sep 2025
Methane ebullition as the dominant pathway for carbon sea-air exchange in coastal, shallow water habitats of the Baltic Sea
Thea Bisander, John Prytherch, and Volker Brüchert
Biogeosciences, 22, 4779–4796, https://doi.org/10.5194/bg-22-4779-2025,https://doi.org/10.5194/bg-22-4779-2025, 2025
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19 Sep 2025
Role of phosphorus concentration and the nitrogen to phosphate ratio in the synergistic stimulation of alkaline phosphatase activity in Laizhou Bay, China, coastal waters
Yanqun Yang, Xiaomeng Duan, Shengkang Liang, Mingzheng Zhang, Shanshan Li, Hongguan Li, Guoling Zhang, Haoyang Ma, Xiurong Han, and Xiulin Wang
EGUsphere, https://doi.org/10.5194/egusphere-2025-4047,https://doi.org/10.5194/egusphere-2025-4047, 2025
Preprint under review for BG (discussion: open, 1 comment)
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19 Sep 2025
River floods in the Anthropocene impact sea-floor geochemistry, pollutants and bacterial communities in coastal systems
Claudio Pellegrini, Marco Basili, Irene Sammartino, Tommaso Tesi, Emanuela Frapiccini, Grazia Marina Quero, Sarah Pizzini, Roberta Zangrando, Gianmarco Luna, Sara Catena, Naomi Massaccesi, Fabio Trincardi, Andrea Gallerani, and Jacopo Chiggiato
EGUsphere, https://doi.org/10.5194/egusphere-2025-4423,https://doi.org/10.5194/egusphere-2025-4423, 2025
Preprint under review for BG (discussion: open, 0 comments)
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18 Sep 2025
Seasonal dynamics of dissolved organic matter along an intertidal gradient in semi-arid mangrove soils (New Caledonia)
Naïna Mouras, Cyril Marchand, Maximilien Mathian, and Hugues Lemonnier
EGUsphere, https://doi.org/10.5194/egusphere-2025-4328,https://doi.org/10.5194/egusphere-2025-4328, 2025
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18 Sep 2025
Spatio-temporal variability of greenhouse gas concentrations and fluxes in shallow coastal bays of the western Baltic Sea
Julika Zinke, Joakim P. Hansen, Martijn Hermans, Alexis Fonseca, Sofia A. Wikström, Linda Kumblad, Emil Rydin, Marc Geibel, Matthew E. Salter, and Christoph Humborg
EGUsphere, https://doi.org/10.5194/egusphere-2025-4446,https://doi.org/10.5194/egusphere-2025-4446, 2025
Preprint under review for BG (discussion: open, 0 comments)
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18 Sep 2025
A top-down evaluation of bottom-up estimates to reduce uncertainty in methane emissions from Arctic wetlands
Luana S. Basso, Goran Georgievski, Victor Brovkin, Christian Beer, Christian Rödenbeck, and Mathias Göckede
EGUsphere, https://doi.org/10.5194/egusphere-2025-4467,https://doi.org/10.5194/egusphere-2025-4467, 2025
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