Biogeosciences
Biogeosciences
BG
The following lists the recent preprints posted on EGUsphere with BG-related topics as well as final revised papers published recently in BG.
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
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, 0 comments)
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
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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
Short summary
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
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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
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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
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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)
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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)
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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, 0 comments)
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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)
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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)
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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)
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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
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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
Short summary
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)
Short summary
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
Short summary
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)
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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)
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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, 1 comment)
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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
Preprint under review for BG (discussion: open, 0 comments)
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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
Preprint under review for BG (discussion: open, 0 comments)
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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
Preprint under review for BG (discussion: open, 1 comment)
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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
| Highlight paper
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
Short summary Co-editor-in-chief
25 Sep 2025
| Highlight paper
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
Preprint under review for BG (discussion: open, 0 comments)
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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
Preprint under review for BG (discussion: open, 1 comment)
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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
Preprint under review for BG (discussion: open, 0 comments)
Short summary
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
Preprint under review for BG (discussion: open, 0 comments)
Short summary
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
| Highlight paper
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
Preprint under review for BG (discussion: open, 0 comments)
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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, 0 comments)
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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
Preprint under review for BG (discussion: open, 0 comments)
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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
Preprint under review for BG (discussion: open, 0 comments)
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17 Sep 2025
A saturating response of photosynthesis to an increasing leaf area index allows selective harvest of trees without affecting forest productivity
Olivier Bouriaud, Ernst-Detlef Schulze, Konstantin Gregor, Issam Boukhris, Peter Högberg, Roland Irslinger, Phillip Papastefanou, Julia Pongratz, Anja Rammig, Riccardo Valentini, and Christian Körner
Biogeosciences, 22, 4729–4741, https://doi.org/10.5194/bg-22-4729-2025,https://doi.org/10.5194/bg-22-4729-2025, 2025
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17 Sep 2025
Benthic ostracod diversity and biogeography in an urban semi-enclosed eutrophic riverine bay
Jialu Huang, Moriaki Yasuhara, He Wang, Pedro Julião Jimenez, Jiying Li, and Minhan Dai
Biogeosciences, 22, 4763–4777, https://doi.org/10.5194/bg-22-4763-2025,https://doi.org/10.5194/bg-22-4763-2025, 2025
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17 Sep 2025
Phytoplankton community succession and biogeochemistry in a bloom simulation experiment at an estuary–ocean interface
Jenna A. Lee, Joseph H. Vineis, Mathieu A. Poupon, Laure Resplandy, and Bess B. Ward
Biogeosciences, 22, 4743–4761, https://doi.org/10.5194/bg-22-4743-2025,https://doi.org/10.5194/bg-22-4743-2025, 2025
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17 Sep 2025
On the challenges of retrieving phytoplankton properties from remote-sensing observations
Jason Xavier Prochaska and Robert J. Frouin
Biogeosciences, 22, 4705–4728, https://doi.org/10.5194/bg-22-4705-2025,https://doi.org/10.5194/bg-22-4705-2025, 2025
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16 Sep 2025
Impact of chemical treatments on the molecular and stable carbon isotopic composition of sporomorphs
Yannick F. Bats, Klaas G. J. Nierop, Alice Stuart-Lee, Joost Frieling, Linda van Roij, Gert-Jan Reichart, and Appy Sluijs
Biogeosciences, 22, 4689–4704, https://doi.org/10.5194/bg-22-4689-2025,https://doi.org/10.5194/bg-22-4689-2025, 2025
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16 Sep 2025
Driving mechanisms of the dissolved oxygen budget in the Levantine Sea: a coupled physical-biogeochemical modelling approach
Joelle Habib, Caroline Ulses, Claude Estournel, Milad Fakhri, Patrick Marsaleix, Thierry Moutin, Dominique Lefevre, Mireille Pujo-Pay, Marine Fourrier, Laurent Coppola, Cathy Wimart-Rousseau, and Pascal Conan
EGUsphere, https://doi.org/10.5194/egusphere-2025-4028,https://doi.org/10.5194/egusphere-2025-4028, 2025
Preprint under review for BG (discussion: open, 0 comments)
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16 Sep 2025
Stability of stream biofilm community composition to transient shifts in dissolved organic carbon characteristics
Oliviah Lines, Ewen Silvester, Suman Acharya, Aleicia Holland, and Michael Shackleton
EGUsphere, https://doi.org/10.5194/egusphere-2025-4143,https://doi.org/10.5194/egusphere-2025-4143, 2025
Preprint under review for BG (discussion: open, 0 comments)
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16 Sep 2025
Soil moisture-induced changes in land carbon sink projections in CMIP6
Lea Maria Gabele, Petra Sieber, Laibao Liu, and Sonia Isabelle Seneviratne
EGUsphere, https://doi.org/10.5194/egusphere-2025-4215,https://doi.org/10.5194/egusphere-2025-4215, 2025
Preprint under review for BG (discussion: open, 0 comments)
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15 Sep 2025
Land-cover change alters stand structure, species diversity, leaf functional traits, and soil conditions in Cambodian tropical forests
Chansopheaktra Sovann, Torbern Tagesson, Patrik Vestin, Sakada Sakhoeun, Soben Kim, Sothea Kok, and Stefan Olin
Biogeosciences, 22, 4649–4677, https://doi.org/10.5194/bg-22-4649-2025,https://doi.org/10.5194/bg-22-4649-2025, 2025
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15 Sep 2025
The incubation history of soil samples strongly affects the occlusion of particulate organic matter
Frederick Büks, Sabine Dumke, and Julia König
Biogeosciences, 22, 4679–4687, https://doi.org/10.5194/bg-22-4679-2025,https://doi.org/10.5194/bg-22-4679-2025, 2025
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15 Sep 2025
| Highlight paper
Organic soils can be CO2 sinks in both drained and undrained hemiboreal peatland forests
Aldis Butlers, Raija Laiho, Andis Lazdiņš, Thomas Schindler, Kaido Soosaar, Jyrki Jauhiainen, Arta Bārdule, Muhammad Kamil-Sardar, Ieva Līcīte, Valters Samariks, Andreas Haberl, Hanna Vahter, Dovilė Čiuldienė, Jani Anttila, and Kęstutis Armolaitis
Biogeosciences, 22, 4627–4647, https://doi.org/10.5194/bg-22-4627-2025,https://doi.org/10.5194/bg-22-4627-2025, 2025
Short summary Co-editor-in-chief
12 Sep 2025
Bio-climatic factors drive spectral vegetation changes in Greenland
Tiago Silva, Brandon Samuel Whitley, Elisabeth Machteld Biersma, Jakob Abermann, Katrine Raundrup, Natasha de Vere, Toke Thomas Høye, Verena Haring, and Wolfgang Schöner
Biogeosciences, 22, 4601–4626, https://doi.org/10.5194/bg-22-4601-2025,https://doi.org/10.5194/bg-22-4601-2025, 2025
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12 Sep 2025
Variability in oxygen isotopic fractionation of enzymatic O2 consumption
Carolina F. M. de Carvalho, Moritz F. Lehmann, and Sarah G. Pati
Biogeosciences, 22, 4579–4600, https://doi.org/10.5194/bg-22-4579-2025,https://doi.org/10.5194/bg-22-4579-2025, 2025
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12 Sep 2025
The contributions of various calcifying plankton to the South Atlantic calcium carbonate stock
Anne L. Kruijt, Robin van Dijk, Olivier Sulpis, Luc Beaufort, Guillaume Lassus, Geert-Jan Brummer, A. Daniëlle van der Burg, Ben A. Cala, Yasmina Ourradi, Katja T. C. A. Peijnenburg, Matthew P. Humphreys, Sonia Chaabane, Appy Sluijs, and Jack J. Middelburg
EGUsphere, https://doi.org/10.5194/egusphere-2025-4234,https://doi.org/10.5194/egusphere-2025-4234, 2025
Preprint under review for BG (discussion: open, 0 comments)
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11 Sep 2025
The microbiome of the Arctic planktonic foraminifera Neogloboquadrina pachyderma is composed of fermenting and carbohydrate-degrading bacteria and an intracellular diatom chloroplast store
Clare Bird, Kate Darling, Rabecca Thiessen, and Anna J. Pieńkowski
Biogeosciences, 22, 4545–4577, https://doi.org/10.5194/bg-22-4545-2025,https://doi.org/10.5194/bg-22-4545-2025, 2025
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11 Sep 2025
Projections of coral reef carbonate production from a global climate–coral reef coupled model
Nathaelle Bouttes, Lester Kwiatkowski, Elodie Bougeot, Manon Berger, Victor Brovkin, and Guy Munhoven
Biogeosciences, 22, 4531–4544, https://doi.org/10.5194/bg-22-4531-2025,https://doi.org/10.5194/bg-22-4531-2025, 2025
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10 Sep 2025
Burn severity and vegetation type control phosphorus concentration, molecular composition, and mobilization
Morgan E. Barnes, J. Alan Roebuck Jr., Samantha Grieger, Paul J. Aronstein, Vanessa A. Garayburu-Caruso, Kathleen Munson, Robert P. Young, Kevin D. Bladon, John D. Bailey, Emily B. Graham, Lupita Renteria, Peggy A. O'Day, Timothy D. Scheibe, and Allison N. Myers-Pigg
Biogeosciences, 22, 4491–4505, https://doi.org/10.5194/bg-22-4491-2025,https://doi.org/10.5194/bg-22-4491-2025, 2025
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10 Sep 2025
Temporal dynamics of CH4 emission pathways in the subsaline reed wetland of Lake Neusiedl
Pamela Alessandra Baur, Thiago Rodrigues-Oliveira, Karin Hager, Zhen-Hao Luo, Christa Schleper, and Stephan Glatzel
Biogeosciences, 22, 4467–4490, https://doi.org/10.5194/bg-22-4467-2025,https://doi.org/10.5194/bg-22-4467-2025, 2025
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10 Sep 2025
Does increased spatial replication above heterogeneous agroforestry improve the representativeness of eddy covariance measurements?
José Ángel Callejas-Rodelas, Alexander Knohl, Ivan Mammarella, Timo Vesala, Olli Peltola, and Christian Markwitz
Biogeosciences, 22, 4507–4529, https://doi.org/10.5194/bg-22-4507-2025,https://doi.org/10.5194/bg-22-4507-2025, 2025
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