Biogeosciences
Biogeosciences
BG

Preprints

The following lists only preprints without a corresponding final revised paper.
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, 0 comments)
Short summary
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, 0 comments)
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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, 0 comments)
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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
Preprint under review for BG (discussion: open, 0 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: open, 0 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, 0 comments)
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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: open, 0 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: open, 0 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: open, 1 comment)
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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, 0 comments)
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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, 0 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: open, 0 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, 0 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, 0 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, 0 comments)
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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, 0 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
Preprint under review for BG (discussion: open, 1 comment)
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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, 0 comments)
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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
Preprint under review for BG (discussion: open, 0 comments)
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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, 0 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, 0 comments)
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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
Preprint under review for BG (discussion: open, 0 comments)
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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: open, 1 comment)
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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
Preprint under review for BG (discussion: open, 0 comments)
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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: open, 0 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
Preprint under review for BG (discussion: open, 0 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: open, 1 comment)
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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, 0 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: open, 1 comment)
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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, 0 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, 0 comments)
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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, 2 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
Preprint under review for BG (discussion: open, 1 comment)
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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: open, 1 comment)
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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: open, 1 comment)
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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: open, 1 comment)
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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
Preprint under review for BG (discussion: open, 0 comments)
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31 Jul 2026
Shifts in genes encoding enzymes that degrade plant- and microbial-derived carbon affect soil organic carbon pools in different subtropical forests of China
Bing Xue, Guoping Tang, Zhongkai Ren, Yuqi Li, Linwei Zeng, Nan Jiang, Houbing Chen, Xiaobin Li, and Jingzhi Du
EGUsphere, https://doi.org/10.5194/egusphere-2026-3802, 2026
Preprint under review for BG (discussion: open, 1 comment)
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31 Jul 2026
Drivers of early diagenesis in sediments surrounding offshore wind foundations; a coupled data-modelling approach
Emil De Borger, Karline Soetaert, Esther Cepeda Gamella, Arthur Capet, Jan Vanaverbeke, and Ulrike Braeckman
EGUsphere, https://doi.org/10.5194/egusphere-2026-3576, 2026
Preprint under review for BG (discussion: open, 0 comments)
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30 Jul 2026
An Expanded Methanosphere: Methane Oxidation and Methanotrophs Surrounding Cold Seeps Across Oxygen Gradients on the Southern California Margin
Emily Klonicki-Ference, Daniel R. Utter, Kira Homola, John S. Magyar, Victoria J. Orphan, David W. Caress, Jennifer B. Paduan, Lisa Levin, and Tina Treude
EGUsphere, https://doi.org/10.5194/egusphere-2026-4409, 2026
Preprint under review for BG (discussion: open, 0 comments)
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30 Jul 2026
Canopy processing of atmospheric dust creates a short-term phosphorus pathway in a tropical forest
Avner Gross, Tana Wood, Jan-Berend Stuut, Eliezer Halpert, and Anton Lokshin
EGUsphere, https://doi.org/10.5194/egusphere-2026-4320, 2026
Preprint under review for BG (discussion: open, 1 comment)
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30 Jul 2026
Enhanced production and methylation of bacterial branched tetraether lipids responding to water content-mediated redox changes in Tibetan Plateau permafrost soils
Wan Zhang, Xiaotong Tang, Wenyong Yao, Jing Qian, Wei He, Yanhong Zheng, Yuanqing Zhu, Ronnakrit Rattanasriampaipong, Yufei Chen, Fengfeng Zheng, and Chuanlun Zhang
EGUsphere, https://doi.org/10.5194/egusphere-2026-3837, 2026
Preprint under review for BG (discussion: open, 1 comment)
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30 Jul 2026
Opposite-sign influences of canopy structural and physiological dynamics on water–carbon biogeography
Daniel Short Gianotti and Dara Entekhabi
EGUsphere, https://doi.org/10.5194/egusphere-2026-3250, 2026
Preprint under review for BG (discussion: open, 0 comments)
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28 Jul 2026
Oxygen Dynamics in Intertidal Sediments: Integrating High-Resolution Data and Reaction-Transport Modeling
Qi Liu, Karline Soetaert, Lucille Hoogerdijk, Valle Perez-Rodriguez, and Lubos Polerecky
EGUsphere, https://doi.org/10.5194/egusphere-2026-4452, 2026
Preprint under review for BG (discussion: open, 1 comment)
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28 Jul 2026
Glycan purification reveals persistence of algal fucoidan in millennia-old marine sediments
Aman Akeerath Mundanatt, Silvia Vidal-Melgosa, Leonard Rößler, Kevin W. Becker, Juliane Müller, and Jan-Hendrik Hehemann
EGUsphere, https://doi.org/10.5194/egusphere-2026-4401, 2026
Preprint under review for BG (discussion: open, 2 comments)
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28 Jul 2026
Effects of enhanced rock weathering on soil gas fluxes across UK land uses
Kate Rees, Maria Val Martin, David Beerling, Aurelia Bezanger, Nicolas Cowan, Ruby Devlin, Mark Hanlon, Ben Langford, Sergiy Medinets, and Julia Drewer
EGUsphere, https://doi.org/10.5194/egusphere-2026-4380, 2026
Preprint under review for BG (discussion: open, 0 comments)
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28 Jul 2026
Technical note: From coccolith counts to quantitative carbonate fluxes: three decades of AI-assisted automated coccolith analysis
Luc Beaufort, Denis Dollfus, Yves Gally, Nicolas Barbarin, Martin Tetard, Baptiste Sucheras-Marx, Alexander Nistor, and Mathieu Biaut
EGUsphere, https://doi.org/10.5194/egusphere-2026-3901, 2026
Preprint under review for BG (discussion: open, 0 comments)
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28 Jul 2026
Representing prescribed fire and mechanical thinning in a demographic vegetation model: mechanisms driving forest structure, fuel, and demographic rates in California mixed-conifer forests
Xiulin Gao, Jessica Katz, Charles D. Koven, Adam Hanbury-Brown, and Lara M. Kueppers
EGUsphere, https://doi.org/10.5194/egusphere-2026-3850, 2026
Preprint under review for BG (discussion: open, 1 comment)
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28 Jul 2026
Reviews and syntheses: Bridging Limnology and Satellite Methane Observations for Small Water Bodies
Anjali Wankhede, Yasser Morera-Gómez, Johannes Bühl, and Andrea Heilmann
EGUsphere, https://doi.org/10.5194/egusphere-2026-3707, 2026
Preprint under review for BG (discussion: open, 1 comment)
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27 Jul 2026
Linking moss cover, soil organic matter fractions, and carbon stabilization pathways in temperate forest ecosystems
Madhavi Parajuli, Rabindra Adhikari, Xiaoxia Yang, Luisa Brosch, Nadja Fürst, Thomas Scholten, Steffen Seitz, and Corinna Gall
EGUsphere, https://doi.org/10.5194/egusphere-2026-4029, 2026
Preprint under review for BG (discussion: open, 2 comments)
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27 Jul 2026
Deep learning model emulators for marine biogeochemistry forecasting from days to decades
Jozef Skakala, Ieuan Higgs, and David Moffat
External preprint server, https://doi.org/10.48550/arXiv.2606.27168, 2026
Preprint under review for BG (discussion: open, 0 comments)
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27 Jul 2026
Trophic amplification of Southern Ocean plankton emerges from changing seasonality
Tianfei Xue, Lionel A. Arteaga, Markus Pahlow, and Ivy Frenger
EGUsphere, https://doi.org/10.5194/egusphere-2026-3722, 2026
Preprint under review for BG (discussion: open, 1 comment)
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27 Jul 2026
Physical‑Biogeochemical Coupling in the Baltic Sea: How Joint Assimilation of Chlorophyll‑a and SST Reshapes Thermal Structure and Ecosystem Representation 
Ye Liu and Weiwei Fu
EGUsphere, https://doi.org/10.5194/egusphere-2026-3657, 2026
Preprint under review for BG (discussion: open, 0 comments)
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23 Jul 2026
Stratification-induced hypoxia shapes greenhouse gas dynamics in ponds
Chiara Esposito, Joachim Audet, Eti Ester Levi, and Thomas Alexander Davidson
EGUsphere, https://doi.org/10.5194/egusphere-2026-4272, 2026
Preprint under review for BG (discussion: open, 0 comments)
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23 Jul 2026
The impact of climate extremes on northern and southern hemisphere seasonal ecosystem productivity over four decades to 2018
Andrew P. Scafaro and Owen K. Atkin
EGUsphere, https://doi.org/10.5194/egusphere-2026-3927, 2026
Preprint under review for BG (discussion: open, 0 comments)
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23 Jul 2026
Plant-microbe interactions modulate the effect of soil respiration to P fertilization in a mature Eucalyptus woodland
Kristian Schufft, Katrin Fleischer, Anja Rammig, Belinda E. Medlyn, Min Zhao, Lin Yu, Catriona A. Macdonald, and Sönke Zaehle
EGUsphere, https://doi.org/10.5194/egusphere-2026-3553, 2026
Preprint under review for BG (discussion: open, 0 comments)
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22 Jul 2026
Late Holocene evolution of a dystrophic Tatra Lake: natural trophic changes revealed by multi-proxy data
Elwira Sienkiewicz, Karolina Kaucha, Michał Gąsiorowski, Urszula Kowalewska, and Michał Słowiński
EGUsphere, https://doi.org/10.5194/egusphere-2026-4131, 2026
Preprint under review for BG (discussion: open, 1 comment)
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22 Jul 2026
Reviews and syntheses: Experimental evidence of phytoplankton responses to Ocean Alkalinity Enhancement
Sara Groppelli and Daniela Basso
EGUsphere, https://doi.org/10.5194/egusphere-2026-4055, 2026
Preprint under review for BG (discussion: open, 1 comment)
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22 Jul 2026
Biological modulation of shell δ13C in Mytilus galloprovincialis and Phorcus sp.: Divergent responses between CO2 vents and laboratory mesocosms
Annalisa Capasso, Claudia Agnini, Ilaria D'Aniello, Giacomo De Angelis, Maria G. Marin, Marco Munari, Simone Rocca, and Valerio Matozzo
EGUsphere, https://doi.org/10.5194/egusphere-2026-4016, 2026
Preprint under review for BG (discussion: open, 2 comments)
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22 Jul 2026
Technical note: Soil MIR-FTIR spectral signatures reveal a measurable link to soil greenhouse gas flux potential
Aldis Butlers, Zaiga Anna Zvaigzne, Arta Bārdule, Josep Peñuelas, Andis Lazdiņš, José-Miguel Sánchez-Pérez, Laure Gandois, Noémie Carles, Romain Darnajoux, Parvez Rana, Kaido Soosaar, Julien Tournebize, Jauhiainen Jyrki, Tuula Larmola, Muhammad Kamil-Sardar, Thomas Schindler, Laura Escarmena, Nerea Parada-Reverter, Sílvia Poblador, Francesc Sabater, and Tom De Dobbelaer
EGUsphere, https://doi.org/10.5194/egusphere-2026-3623, 2026
Preprint under review for BG (discussion: final response, 5 comments)
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22 Jul 2026
The Implications of Microbial Functional Diversity on the Response of Soil Organic Matter Decomposition to Nitrogen Fertilization: A Theoretical Model
Jeth G. Walkup, Tanner S. Hoffman, Ember M. Morrissey, Chansotheary Dang, and Edward R. Brzostek
EGUsphere, https://doi.org/10.5194/egusphere-2026-3566, 2026
Preprint under review for BG (discussion: open, 1 comment)
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21 Jul 2026
Spatiotemporal Shifts in Organic Carbon Sources in Cascade Reservoirs – a case study in the Lancang River
Huimin Sun, Xudong Zhou, Bingcan Jiang, Yuqing Lin, Yuchen Chen, and Xingcheng Yan
EGUsphere, https://doi.org/10.5194/egusphere-2026-3912, 2026
Preprint under review for BG (discussion: final response, 2 comments)
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21 Jul 2026
Chlorophyll–particle backscattering displacement reveals multiple deep chlorophyll maximum structures in the North Pacific
Taketo Hashioka and Maki N. Aita
EGUsphere, https://doi.org/10.5194/egusphere-2026-3910, 2026
Preprint under review for BG (discussion: final response, 7 comments)
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21 Jul 2026
The use of remote sensing for studying environmental changes in a palsa mire zone of Northern Finland in the period 1985–2024
Małgorzata Szczepańska, Sebastian Czapiewski, Magdalena Suchora, and Danuta Szumińska
EGUsphere, https://doi.org/10.5194/egusphere-2026-3763, 2026
Preprint under review for BG (discussion: final response, 3 comments)
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21 Jul 2026
The role of biologically-mediated fragmentation in carbon flux attenuation in a 1-D mechanistic particle model
Aaron Alexander Naidoo-Bagwell, Fanny Monteiro, Nathan Briggs, and Stephanie Henson
EGUsphere, https://doi.org/10.5194/egusphere-2026-3278, 2026
Preprint under review for BG (discussion: open, 1 comment)
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20 Jul 2026
Contrasting sediment carbon storage and turnover in vegetated littoral and open water habitats of boreal lakes
Max Oliver Aleksi Kankainen, Ana Lúcia Lindroth Dauner, Tuomas Junna, Asko Simojoki, Karoliina Koho, and Tom Jilbert
EGUsphere, https://doi.org/10.5194/egusphere-2026-3899, 2026
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20 Jul 2026
Eddy covariance diverges from inventory and model-based estimates of soil organic carbon stock change across five crop rotations in Belgian cropland
Quentin Beauclaire, Bernard Longdoz, Laura Delhez, Bruna Winck, Benjamin Loubet, Yue Zhou, Marmar Sabetizade, Neo Arquin, Nicolas Saby, and Bernard Heinesch
EGUsphere, https://doi.org/10.5194/egusphere-2026-3840, 2026
Preprint under review for BG (discussion: open, 2 comments)
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17 Jul 2026
Arctic phytoplankton bloom regimes are associated with distinct dissolved carbohydrate signatures and transparent exopolymer particle (TEP) formation
Sophia Hirschmann, Anabel von Jackowski, Benjamin Pontiller, Katja Metfies, Vasily Povazhnyi, Stefan Neuhaus, Eva-Maria Nöthig, and Anja Engel
EGUsphere, https://doi.org/10.5194/egusphere-2026-4192, 2026
Preprint under review for BG (discussion: open, 1 comment)
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17 Jul 2026
Tracing terrestrial organic matter dynamics in the subarctic North Pacific using sedimentary ancient DNA metabarcoding
Hongyu Lu, Kathleen R. Stoof-Leichsenring, Josefine Friederike Weiß, Bernhard Diekmann, Heike H. Zimmermann, Lester Lembke-Jene, and Ulrike Herzschuh
EGUsphere, https://doi.org/10.5194/egusphere-2026-3670, 2026
Preprint under review for BG (discussion: open, 0 comments)
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16 Jul 2026
A process-based framework for national-scale estimation of agricultural soil N₂O emissions under variable climate and management
Andrew Smerald, Hannes Imhof, Edwin Haas, David Kraus, Lioba Martin, Kathrin Fuchs, John Akubia, Ali Sakhaee, Cora Vos, Roland Fuß, Clemens Scheer, and Ralf Kiese
EGUsphere, https://doi.org/10.5194/egusphere-2026-4010, 2026
Preprint under review for BG (discussion: final response, 2 comments)
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15 Jul 2026
A GOSAT-Based Assessment of Interannual Variability in Terrestrial CO₂ Fluxes and Its Hydroclimatic Drivers
Sanam N. Vardag, Sourish Basu, André Butz, and Eva-Marie Metz
EGUsphere, https://doi.org/10.5194/egusphere-2026-4054, 2026
Preprint under review for BG (discussion: open, 0 comments)
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15 Jul 2026
Chronic environmental radioactivity suppresses microbial diversity and activity in threatened glacier surface ecosystems
Jakub Buda, Edyta Łokas, Sylwia Błażej, Roberto Ambrosini, Kinga Buda, Riccardo Scotti, Krzysztof Gorzkiewicz, Ronald Łaniecki, Artur Trzebny, Francesca Pittino, Olena Nahimova, Arianna Crosta, Michał Bończyk, Krzysztof Samolej, Andrea Franzetti, and Krzysztof Zawierucha
EGUsphere, https://doi.org/10.5194/egusphere-2026-4043, 2026
Preprint under review for BG (discussion: open, 0 comments)
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15 Jul 2026
Drivers of net community production in the bottom of Arctic pack ice
Rosalie McKay, Zoe Koenig, Polona Itkin, Rolf Gradinger, Christien Laber, Janina Osanen, Sanna Saur Heiland, and Karley Campbell
EGUsphere, https://doi.org/10.5194/egusphere-2026-4031, 2026
Preprint under review for BG (discussion: open, 2 comments)
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14 Jul 2026
Constraining planktic foraminiferal depth habitats for improved polar and subpolar paleoreconstructions
Caroline A. Miller, Brittany N. Hupp, and Jennifer S. Fehrenbacher
EGUsphere, https://doi.org/10.5194/egusphere-2026-3966, 2026
Preprint under review for BG (discussion: final response, 3 comments)
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14 Jul 2026
Temporal variability of air–sea carbon dioxide exchange in the coastal water of the Baltic Sea
Aki Vähä, Joachim Jansen, Kurt Spence, Joanna Norkko, Alf Norkko, and Ivan Mammarella
EGUsphere, https://doi.org/10.5194/egusphere-2026-3945, 2026
Preprint under review for BG (discussion: open, 1 comment)
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14 Jul 2026
High temporal resolution in-situ measurement of CO2 fluxes through Arctic shrub-tundra snowpacks
Victoria R. Dutch, Nick Rutter, Muhammad Waqas Khan, Alex Mavrovic, Alexandre Roy, Sevi Modestou, Oliver Sonnentag, Carolina Voigt, Philip Marsh, and Paul J. Mann
EGUsphere, https://doi.org/10.5194/egusphere-2026-3835, 2026
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14 Jul 2026
Performance assessment of the global gross primary productivity datasets over India for climate and ecophysiological applications
Pramit Kumar Deb Burman, Amol Kale, Yogesh K. Tiwari, Suraj Reddy Rodda, Sandipan Mukherjee, Pulakesh Das, Arunima Jayachandran, Dipankar Sarma, Palingamoorthy Gnanamoorthy, Nirmali Gogoi, Somnath Baidya Roy, Ganapati S. Bhat, and Kazuhito Ichii
EGUsphere, https://doi.org/10.5194/egusphere-2026-3597, 2026
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10 Jul 2026
Soil-to-stream export of dissolved organic carbon and its functional composition can be predicted using only widely available data
Katarzyna Sawicka, Edwin C. Rowe, Donald T. Monteith, Amy Pickard, Brian M. Spears, Jennifer Williamson, Annette Burden, Alan Radbourne, Zak Mitchell, Dan J. Lapworth, Christopher A. Yates, Penny J. Johnes, and Christopher D. Evans
EGUsphere, https://doi.org/10.5194/egusphere-2026-3786, 2026
Preprint under review for BG (discussion: open, 1 comment)
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10 Jul 2026
Ideas and perspectives: Addressing environmental challenges using distributed data generation: From collaborative networks to artificial intelligence-enabled science
Amy E. Goldman, James C. Stegen, Elizabeth T. Borer, Robert Hensley, Allison Myers-Pigg, Mikayla A. Borton, Paytsar Muradyan, Nicholas D. Ward, Jean M. Andino, Andrew D. Richardson, Alexandro B. Leverkus, Christopher S. Lowry, Nate G. McDowell, Kaizad F. Patel, Scott J. Davidson, Brieanne Forbes, Martha R. Downs, W. Robert Bolton, Timothy D. Scheibe, and Avni Malhotra
EGUsphere, https://doi.org/10.5194/egusphere-2026-3537, 2026
Preprint under review for BG (discussion: open, 1 comment)
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10 Jul 2026
Crop diversification shapes microbial communities and alters carbon-use efficiency across European agricultural soils
Angel Valverde, Erica Lumini, Samuele Voyron, Erich Inselsbacher, Katharina Keiblinger, Julia Schroeder, Annelein Meisner, Anke M. Herrmann, Marjetka Suhadolc, and Beatriz Andreo-Jimenez
EGUsphere, https://doi.org/10.5194/egusphere-2026-3526, 2026
Preprint under review for BG (discussion: open, 0 comments)
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10 Jul 2026
Plankton resistance and resilience through intervals of extreme Cenozoic climate change
Claire Marie Routledge, Paul R. Bown, Samantha Gibbs, Cherry Newsam, and Sarah Alvarez
EGUsphere, https://doi.org/10.5194/egusphere-2026-3455, 2026
Preprint under review for BG (discussion: open, 2 comments)
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09 Jul 2026
Asymmetric patterns of soil carbon mineralization during thaw slump recovery: Stable fast-pool size but rebounding decomposition rate
Hanhan Li, Tingan Dai, Danni Luo, Huan Wang, Min Xie, Yu Zhang, and Xuegang Luo
EGUsphere, https://doi.org/10.5194/egusphere-2026-3656, 2026
Preprint under review for BG (discussion: open, 2 comments)
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07 Jul 2026
Regime-dependent reversal in temporal asymmetry of ecosystem carbon exchange across global biomes
Nikhila Gollakota, Georgianne Moore, Heng Huang, Lamberto Rondoni, Binayak Mohanty, and Salvatore Calabrese
EGUsphere, https://doi.org/10.5194/egusphere-2026-3770, 2026
Preprint under review for BG (discussion: open, 0 comments)
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07 Jul 2026
Frequent resuspension of glaciomarine coastal sediments as an important source of reactive iron to the West Antarctic Peninsula
Rhiannon L. Jones, Maeve C. Lohan, Tobias Ehmen, Lisa Friberg, Ben Lincoln, Katy Sheen, Siobhan Foden, Katrien Van Landeghem, Kate Retallick, George Dadd, James Scourse, and Amber L. Annett
EGUsphere, https://doi.org/10.5194/egusphere-2026-3712, 2026
Revised manuscript under review for BG (discussion: final response, 5 comments)
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06 Jul 2026
Quantifying rhizosphere priming effects on soil organic matter decomposition in situ in a subarctic ecotone using natural abundance radiocarbon
Louis A. Mielke, Thomas C. Parker, Lorna E. Street, Karina E. Clemmensen, Nina Lindstrom Friggens, Mark H. Garnett, Iain P. Hartley, David Johnson, Jens-Arne Subke, and Philip A. Wookey
EGUsphere, https://doi.org/10.5194/egusphere-2026-3803, 2026
Preprint under review for BG (discussion: final response, 2 comments)
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06 Jul 2026
Exchange fluxes of CO2, CH4, N2O and NO between soil and atmosphere along an ecoclimatic gradient in West African savannas: a missing piece for regional budgets
Moussa Zouré, Claire Delon, Adjon Kouassi, Dominique Serça, Corinne Galy-Lacaux, Sébastien Barot, Money Ossohou, Fulgence Koffi, Seydina Mohamad Ba, Adeola Michael Dahunsi, Xavier Le Roux, Silué Siélé, Ousmane Ndiaye, Océane Lenoir, Eric Gardrat, Maria Dias-Alves, Sarah Konaré, Madina Doumbia, Fabien Solmon, and Hagninou Elagnon Venance Donnou
EGUsphere, https://doi.org/10.5194/egusphere-2026-3592, 2026
Preprint under review for BG (discussion: open, 1 comment)
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06 Jul 2026
Freshwater forcing along the Indian Coastal Seas: Impacts on Productivity and Acidification
Kunal Madkaiker, Ambarukhana D. Rao, Vimlesh Pant, and Jonathan M. Lauderdale
EGUsphere, https://doi.org/10.5194/egusphere-2026-3223, 2026
Preprint under review for BG (discussion: open, 0 comments)
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06 Jul 2026
Early leaf senescence reveals drought stress thresholds and mortality risk across temperate forests
Pia Labenski, Allan Buras, Rüdiger Grote, Martin Thurner, and Nadine K. Ruehr
EGUsphere, https://doi.org/10.5194/egusphere-2026-3082, 2026
Preprint under review for BG (discussion: open, 0 comments)
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06 Jul 2026
A perturbation robustness audit of global landscape-entropy regime classification across grain, subset, bootstrap, threshold, spatial structure, and external ground-truth
Rongzhen Dai and Wei Feng
EGUsphere, https://doi.org/10.5194/egusphere-2026-3020, 2026
Preprint under review for BG (discussion: open, 0 comments)
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06 Jul 2026
Permafrost thaw reshapes methane cycling across an interior Alaska peatland
Hailey Webb, Clifton P. Bueno de Mesquita, Mario E. Muscarella, Catherine M. Dieleman, Eugénie S. Euskirchen, Evan S. Kane, Jason K. Keller, Steven K. Schmidt, Amanda Stromecki, and Merritt R. Turetsky
EGUsphere, https://doi.org/10.5194/egusphere-2026-2809, 2026
Preprint under review for BG (discussion: open, 1 comment)
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03 Jul 2026
The open uncertainty window in ocean biogeochemical responses to fossil carbon emissions
Karin Kvale, Ivy Frenger, Julia Getzlaff, Wolfgang Koeve, Iris Kriest, Angela Landolfi, and Andreas Oschlies
EGUsphere, https://doi.org/10.5194/egusphere-2026-3481, 2026
Preprint under review for BG (discussion: final response, 2 comments)
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02 Jul 2026
Proteobacteria Dominance and Neutral Assembly Processes of Bacterial Communities in the Chukchi Sea, Arctic
Li Zhao, Cong Zeng, Ruizhe Guo, Yong Yu, Haitao Ding, Huirong Li, and Wei Luo
EGUsphere, https://doi.org/10.5194/egusphere-2026-3709, 2026
Preprint under review for BG (discussion: open, 2 comments)
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