Biogeosciences
Biogeosciences
BG

Preprints

The following lists only preprints without a corresponding final revised paper.
24 Jun 2026
Cryogenic Fractionation and Thaw-Gradient Reorganization of Carbon, Nutrient and Trace Element Pools in Permafrost Peatlands
Lucia Pérez-Serrano, Sergey V. Loiko, Artem Lim, Laure Gandois, Christine Hatté, Jean-Luc Rols, and Oleg S. Pokrovsky
EGUsphere, https://doi.org/10.5194/egusphere-2026-3058, 2026
Preprint under review for BG (discussion: upcoming, 0 comments)
Short summary
23 Jun 2026
A 3,000-yr lacustrine record of climate and environmental change and their influence on aquatic communities from Andean Puna lakes
Adriana Aránguiz-Acuña, Daniel Pérez, Catalina Aranda, Antonio Maldonado, Joseline Tapia, Héctor Pizarro, Pablo Pérez-Portilla, and Oliver Meseguer-Ruiz
EGUsphere, https://doi.org/10.5194/egusphere-2026-3159, 2026
Preprint under review for BG (discussion: open, 0 comments)
Short summary
23 Jun 2026
The evolution of anthropogenic carbon accumulation in the North Atlantic Ocean: the influence of physical and chemical drivers over the last three decades
Cathy Wimart-Rousseau, Elaine L. McDonagh, and Peter J. Brown
EGUsphere, https://doi.org/10.5194/egusphere-2026-3157, 2026
Preprint under review for BG (discussion: open, 0 comments)
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23 Jun 2026
Reassessing the Permafrost Carbon Feedback: The Decisive Role of Dynamic Vegetation
Thomas Kleinen, Helena Bergstedt, Philipp de Vrese, Tobias Stacke, and Victor Brovkin
EGUsphere, https://doi.org/10.5194/egusphere-2026-3098, 2026
Preprint under review for BG (discussion: open, 0 comments)
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23 Jun 2026
A Lagrangian framework to simulate Sargassum transport and growth
Elena Gianotten, Meike F. Bos, Darshika Manral, Fabio Nauer, Erik Zettler, Lina A. Amaral-Zettler, and Erik van Sebille
EGUsphere, https://doi.org/10.5194/egusphere-2026-3097, 2026
Preprint under review for BG (discussion: open, 0 comments)
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23 Jun 2026
Spatiotemporal variations of carbon-water-hydraulic risk for Pinus tabuliformis L. Plantations on the Loess Plateau under Future Climate Change
Tianqi Guo, Zhongdian Zhang, Rui Liu, Xiaofei Wu, Xinmei Liu, Chenyi Ju, and Mingbin Huang
EGUsphere, https://doi.org/10.5194/egusphere-2026-3094, 2026
Preprint under review for BG (discussion: open, 0 comments)
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22 Jun 2026
Implementation of regenerative ditch borders in Dutch peat meadows: effects on soil CO2 fluxes and potential carbon trade-offs
Sanne E. Bethe, Mariet M. Hefting, Joao R. Wendrich Teixeira, Matty P. Berg, and James T. Weedon
EGUsphere, https://doi.org/10.5194/egusphere-2026-3155, 2026
Preprint under review for BG (discussion: open, 0 comments)
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22 Jun 2026
Arctic coastal reactors: Lateral and vertical organic matter dynamics in permafrost lagoons of the western Canadian Arctic
George Tanski, Michael Fritz, Jorien E. Vonk, Jens Strauss, Léo Chassiot, Vladislav Carnero-Bravo, Jade Falardeau, Kostantin Klein, Parick Lajeunesse, Hugues Lantuit, Niek J. Speetjens, Anne de Vernal, Dustin Whalen, and Anna M. Irrgang
EGUsphere, https://doi.org/10.5194/egusphere-2026-2314, 2026
Preprint under review for BG (discussion: open, 0 comments)
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19 Jun 2026
Lithium isotopes reveal impaired ion transport in tropical corals exposed to high pCO2
Nathalie Vigier, Fanny Thibon, Riccardo Rodolfo Metalpa, Maryline Montanes, Arbia Jouini, Laurent Counillon, Mallorie Poet, Malcolm McCulloch, Clément Tanvet, Philippe Télouk, and Steeve Comeau
EGUsphere, https://doi.org/10.5194/egusphere-2026-3326, 2026
Preprint under review for BG (discussion: open, 0 comments)
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19 Jun 2026
Lateral Transport Controls Particulate Organic Carbon Stocks and Fluxes in the Baltic Sea
Lucas Porz, Jan Kossack, David Pogorzelski, and Wenyan Zhang
EGUsphere, https://doi.org/10.5194/egusphere-2026-3315, 2026
Preprint under review for BG (discussion: open, 0 comments)
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19 Jun 2026
Quantifying canopy CO2 storage to improve long-term estimates of net ecosystem carbon exchange in the southern Amazon forest
Bárbara Antonucci, Raoni A. Santana, Nara L. R. Andrade, Eliane Gomes Alves, Santiago Botía, Carla M.A. Souza, Anne C. S. Mendonça, Shujiro Komiya, Denisi H. Hall, Natalia Restrepo-Coupe, Gabriel B. Costa, and Cléo Q. Dias-Júnior
EGUsphere, https://doi.org/10.5194/egusphere-2026-3167, 2026
Preprint under review for BG (discussion: open, 0 comments)
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18 Jun 2026
Thermal regulation of benthic fluxes in temperate estuaries
Or Mordechay Bialik and Guy Sisma-Ventura
EGUsphere, https://doi.org/10.5194/egusphere-2026-3235, 2026
Preprint under review for BG (discussion: open, 0 comments)
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18 Jun 2026
From Phaeocystis to Chaetoceros: silicic acid as the primary driver of diatom bloom magnitude in an Arctic mesocosm experiment
Antonia U. Thielecke, Clara J. M. Hoppe, Jeffrey W. Krause, Sarah Lena Eggers, Uwe John, Dave Clarke, Martin Whitehouse, Heejin Jeon, Nicolè Caputo, Francesca Cucchi, Amanda Curtin, and Mar Fernández-Méndez
EGUsphere, https://doi.org/10.5194/egusphere-2026-3186, 2026
Preprint under review for BG (discussion: open, 0 comments)
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18 Jun 2026
60 years of global air-sea CO2 flux variability
Suki C. K. Wong, Galen A. McKinley, Richard Seager, Tess Wei-Ping Jacobson, Amanda Fay, Özgür Gürses, Nicolas Gruber, Tatiana Ilyina, Tereza Jarnikova, Laure Resplandy, Jörg Schwinger, and Roland Séférian
EGUsphere, https://doi.org/10.5194/egusphere-2026-3104, 2026
Preprint under review for BG (discussion: open, 0 comments)
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17 Jun 2026
Enrichment of lignin reveals consistent anaerobic degradation and persistent vegetation signatures in the organic matter of diverse lowland tropical peatland profiles
Mike Vreeken, Megan N. Jenkins, Siwei Mai, Rebecca H. Peel, Yiming Zhang, Toby A. Halamka, Amelia Oakeshott, Simon M. K. Cheung, Panteleimon Prokopiou, Sam Rangdale, Jerome Blewett, D. Paola Alarcon Prado, Juan C. Benavides, Frank Kansiime, Ellen Kayendeke, Carol Kagaba Kairumba, B. David A. Naafs, Casey Bryce, Angela V. Gallego-Sala, and Richard D. Pancost
EGUsphere, https://doi.org/10.5194/egusphere-2026-3069, 2026
Preprint under review for BG (discussion: open, 0 comments)
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16 Jun 2026
Understanding ecosystem gross primary productivity, evapotranspiration, and water use efficiency of maize using ISBA-A-gs land surface model over temperate and tropical semi-arid climates
Syam Chintala, Lionel Jarlan, Vincent Rivalland, Aaron Boone, Oluwakemi Dare-Idowu, Valerie Le Dantec, Gilles Boulet, BVN P. Kambhammettu, and Aurore Brut
EGUsphere, https://doi.org/10.5194/egusphere-2026-3119, 2026
Preprint under review for BG (discussion: open, 0 comments)
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16 Jun 2026
O2:CO2 exchange ratio and isotopic composition of atmospheric O2 measured using soil chambers, and their application to evaluating enhanced rock weathering and the Dole–Morita effect
Shigeyuki Ishidoya, Takahisa Maeda, Hidehiko Kikuno, Jumpei Fukumasu, Shinya Iwasaki, Sadao Eguchi, Rota Wagai, Kei Asada, Taku Nishimura, Takuhei Yamasaki, Shinji Suzuki, Shohei Murayama, Atsushi Yamamoto, Asaka Hasegawa, Satoshi Sugawara, Shuji Aoki, and Takakiyo Nakazawa
EGUsphere, https://doi.org/10.5194/egusphere-2026-2751, 2026
Preprint under review for BG (discussion: open, 0 comments)
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15 Jun 2026
Earth hummock soils as hot-spots of atmospheric methane uptake in Arctic tundra: a case study from Qeqertarsuaq, West Greenland
Selina Undeutsch, Claudia Sabine Bruhn, Tino Peplau, Sina Plettemeier, Birgit Grabellus, Susanne Liebner, and Lars Kutzbach
EGUsphere, https://doi.org/10.5194/egusphere-2026-3054, 2026
Preprint under review for BG (discussion: open, 0 comments)
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15 Jun 2026
Valley-bottom wetland agricultural conversion and recovery shape greenhouse gas dynamics and soil carbon sequestration in an African tropical highland system
Sharon Gubamwoyo, Sonja M. Leitner, Gabriele Weigelhofer, Damaris G. Kisha, Oswald Omuron, Dominik Henrik Zak, Thomas Hein, and Gretchen M. Gettel
EGUsphere, https://doi.org/10.5194/egusphere-2026-3028, 2026
Preprint under review for BG (discussion: open, 0 comments)
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12 Jun 2026
From surface flux to seafloor function: vertical carbon export and benthic communities in high-latitude coastal systems
Phoebe Acacia Armitage, Marie C. Nordström, Camilla Svensen, Barbara Oleszczuk, Joanna Legeżyńska, Maria Włodarska-Kowalczuk, and Anna Törnroos
EGUsphere, https://doi.org/10.5194/egusphere-2026-3268, 2026
Preprint under review for BG (discussion: open, 0 comments)
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12 Jun 2026
Old organic matter in temperate forest soils is very nitrogen-rich
Marie Spohn, Carina Josefsson Ortiz, and Carlos A. Sierra
EGUsphere, https://doi.org/10.5194/egusphere-2026-3238, 2026
Preprint under review for BG (discussion: open, 1 comment)
Short summary
12 Jun 2026
Stoichiometric deviation and regulatory mechanisms of AOU-nutrient ratio in the oligotrophic Northwest Pacific Ocean
Detong Tian, Xuegang Li, Jinming Song, Yunping Xu, Feng Zhao, Jun Ma, Shanshan Liu, Muhammad Inayat Ullah Khan, and Weichao Wu
EGUsphere, https://doi.org/10.5194/egusphere-2026-2947, 2026
Preprint under review for BG (discussion: open, 0 comments)
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12 Jun 2026
Simulating enhanced ocean alkalinity experiments in a high-latitude fjord using nested ROMS simulations coupled with MARBL biogeochemistry
Ulla K. Heede, Matthew C. Long, Alicia Karspeck, Scott Bachman, Nora Loose, Dafydd Stephenson, David T. Ho, Lennart Gerke, Tobias Koffman, Alice Benoit-Cattin, Sara Harðardóttir, and Andreas Macrander
EGUsphere, https://doi.org/10.5194/egusphere-2026-2920, 2026
Preprint under review for BG (discussion: open, 0 comments)
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12 Jun 2026
Macro constraints and local eutrophication shape sediment nitrogen removal in the Eastern China Plain lakes
Jiahao Wei, Ke Yang, Yaru Liu, Yi Yin, Lachun Wang, Enlou Zhang, Zhijun Gong, and Yongjiu Cai
EGUsphere, https://doi.org/10.5194/egusphere-2026-2818, 2026
Preprint under review for BG (discussion: open, 0 comments)
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11 Jun 2026
Mineralization Mechanism and Application Potential of Vaterite Induced by Two Bacterial Strains
Xiaofang Li, Wenjun Nie, Zhen Guo, Lin Tang, Fuguo Liu, and Bin Lian
EGUsphere, https://doi.org/10.5194/egusphere-2026-3126, 2026
Preprint under review for BG (discussion: open, 1 comment)
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11 Jun 2026
Eddy covariance measurements of nitrogen dioxide exchange at a grazed savanna grassland in South Africa
Tamryn Hamilton, Kerneels Jaars, Pieter G. van Zyl, Mika Aurela, Marcellin Adon, Johan P. Beukes, Miroslav Josipovic, Gregor T. Feig, Markku Kulmala, Lauri Laakso, and Ville Vakkari
EGUsphere, https://doi.org/10.5194/egusphere-2026-3066, 2026
Preprint under review for BG (discussion: open, 0 comments)
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11 Jun 2026
Long term Strengthening of the CO2 Sink and Spatiotemporal pCO2 dynamics in the northern Gulf of Mexico: Insights from a 22 year Satellite based Machine Learning Reconstruction
Zong-Pei Jiang, Fengqin Chen, Wenzhao Liang, Kailang Ma, Chenfeng Le, Yiwen Pan, and Wei-Jun Cai
EGUsphere, https://doi.org/10.5194/egusphere-2026-3034, 2026
Preprint under review for BG (discussion: open, 0 comments)
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11 Jun 2026
Growing-season variability and environmental controls of CH4 and N2O fluxes across high-latitude terrestrial ecosystems
Johannes Sakari Niemi, Miska Samuli Luoto, Anna-Maria Ilona Virkkala, Johanna Marika Lehtinen, and Jenni Johanna Hultman
EGUsphere, https://doi.org/10.5194/egusphere-2026-2936, 2026
Preprint under review for BG (discussion: open, 0 comments)
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11 Jun 2026
Canopy litterfall and soil respiration under rainfall and fog reduction in tropical montane cloud forests
Walter Huaraca Huasco, Maria Edith Ezquera Condori, Daniela Corrales Alvarez, Blanca Rosa Espinoza Otazu, Darcy Fernando Galiano Cabrera, Beisit Puma Vilca, Roxana Sacatuma Cruz, Yulisa Sari Soto Quispe, Luis Miguel Alvarez Mayorga, Jimmy Ronald Chambi Paucar, Aline Barbara Horwath, David C. Bartholomew, and Daniel B. Metcalfe
EGUsphere, https://doi.org/10.5194/egusphere-2026-2882, 2026
Preprint under review for BG (discussion: open, 0 comments)
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10 Jun 2026
Effectiveness of olivine dissolution in beach simulations for ocean alkalinity enhancement – insights from flow-through experiments
Sonja Geilert, Lucille Hoogerdijk, Yasmina Ben Hammou Abboud, Fabrice Pernet, Jessica Volz, Andre Baldermann, Mariëtte Wolthers, and Cale A. Miller
EGUsphere, https://doi.org/10.5194/egusphere-2026-3096, 2026
Preprint under review for BG (discussion: open, 0 comments)
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10 Jun 2026
Enhanced Carbon Sequestration in Alkaline Lakes through Recycled CO2 Utilization by Diatoms
Dinggui Wu, Qingfeng Zhao, Siyu Huang, Yuxin He, Jinglu Wu, and Yongge Sun
EGUsphere, https://doi.org/10.5194/egusphere-2026-2998, 2026
Preprint under review for BG (discussion: open, 0 comments)
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05 Jun 2026
Identifying biological sources and indicators of surfactants in the sea surface microlayer and subsurface waters using fluorescence and microbial community profiling
Felix E. Agblemanyo, Daniel Ammer, Amber E. Birt, Malique R. Bowen, Jennifer F. Biddle, Amanda A. Frossard, and Andrew S. Wozniak
EGUsphere, https://doi.org/10.5194/egusphere-2026-3084, 2026
Preprint under review for BG (discussion: open, 0 comments)
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05 Jun 2026
Morphological and phylogenic variability of red snow algae in snowpacks along a glacial valley in Alaska
Masato Ono, Kino Kobayashi, Takumi Suzuki, Ryohei Abe, Suzunosuke Usuba, Jun Uetake, and Nozomu Takeuchi
EGUsphere, https://doi.org/10.5194/egusphere-2026-2789, 2026
Preprint under review for BG (discussion: open, 0 comments)
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05 Jun 2026
Year-round methane cycling activity in a European alpine peatland with large spatial and temporal variability
Sigrid van Grinsven, Sophie Kunz, Florian Jueterbock, and Andreas Kappler
EGUsphere, https://doi.org/10.5194/egusphere-2026-2750, 2026
Preprint under review for BG (discussion: open, 0 comments)
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04 Jun 2026
Reviews and syntheses: Spatiotemporal Dynamics, Drivers, and Uncertainties of Global Wildfire Carbon Dioxide Emissions
Yu Liang, Tianxiao Ma, Bo Liu, Zhihua Liu, Hong S. He, Jian Yang, Yude Pan, Chao Yue, Xianli Wang, Mia Wu, Wenru Xu, and Jiaojun Zhu
EGUsphere, https://doi.org/10.5194/egusphere-2026-2906, 2026
Preprint under review for BG (discussion: open, 1 comment)
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04 Jun 2026
Microbial Interactions with Dissolved Organic Matter (DOM) from Immature Cretaceous Marine Black Shale: Implications for subsurface carbon flux and geothermal energy systems
Muhammad Sabiu Jibrin and Abdulhamid Dahiru
EGUsphere, https://doi.org/10.5194/egusphere-2026-2864, 2026
Preprint under review for BG (discussion: open, 0 comments)
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04 Jun 2026
Spatial differentiation of carbon-control structures in urban coastal ecosystems under nutrient enrichment
Kohei Kawahito, Daichi Okada, and Akio Sohma
EGUsphere, https://doi.org/10.5194/egusphere-2026-2710, 2026
Preprint under review for BG (discussion: open, 0 comments)
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01 Jun 2026
Toward shellfish aquaculture circularity: stimulating mussel shell dissolution in marine sediments
Cedric Goossens, Steven Bouillon, Filip J. R. Meysman, and Sebastiaan J. van de Velde
EGUsphere, https://doi.org/10.5194/egusphere-2026-2930, 2026
Preprint under review for BG (discussion: open, 1 comment)
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01 Jun 2026
Vertical Fluxes of Dissolved Oxygen Driven by Turbulence and Diapycnal Mixing in Patagonian Fjords
Iván Pérez-Santos, Pamela Linford, Luis Rozas, Osvaldo Artal, Elías Pinilla, Lauren Ross, Patricio Díaz, Marcela Rojas, Guido Mancilla-Gutiérrez, Gabriel Soto, and Ivonne Montes
EGUsphere, https://doi.org/10.5194/egusphere-2026-2889, 2026
Preprint under review for BG (discussion: open, 0 comments)
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01 Jun 2026
Ideas and perspectives: Beyond Microbes: Integrating Termites into Global Soil Carbon Cycling Models
Umar Farooq, Chiara Pasut, Ying-Ping Wang, Amy E. Zanne, Habacuc Flores-Moreno, Baptiste Joseph Wijas, David I. Forrester, Jacqueline R. England, Bennett Macdonald, Zachary A. Brown, and Senani Karunaratne
EGUsphere, https://doi.org/10.5194/egusphere-2026-2844, 2026
Preprint under review for BG (discussion: open, 1 comment)
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29 May 2026
High-resolution reconstruction of the pH-upregulation and its seasonal drivers in the temperate coral Cladocora caespitosa
Marina J. Vergotti, Diego K. Kersting, Thomas C. Brachert, Steeve Comeau, Daniel A. Frick, Ed C. Hathorne, Michael J. Henehan, Josefine Holtz, Nuria Teixidó, Valby van Schijndel, and Juan Pablo D'Olivo
EGUsphere, https://doi.org/10.5194/egusphere-2026-2720, 2026
Preprint under review for BG (discussion: open, 0 comments)
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27 May 2026
Enhanced weathering of glacial rock flour drives coupled inorganic and organic carbon sequestration in a five-year field experiment
Christiana Dietzen, Malgorzata Rizzi, Tim Jesper Suhrhoff, and Minik Thorleif Rosing
EGUsphere, https://doi.org/10.5194/egusphere-2026-2760, 2026
Preprint under review for BG (discussion: open, 0 comments)
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27 May 2026
Tidal modulation of nitrate supply and chlorophyll-a in the Amazon shelf–offshore continuum
Amine M'hamdi, Ariane Koch-Larrouy, Isabelle Dadou, Carina Regina de Macedo, Fernand Assene, Vincent Vantrepotte, Guillaume Morvan, and Alex Costa da Silva
EGUsphere, https://doi.org/10.5194/egusphere-2026-2729, 2026
Preprint under review for BG (discussion: open, 1 comment)
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27 May 2026
Sediment characteristics regulate anaerobic oxidation of methane coupled with nitrate and nitrite in the hyporheic zone
Yujia Wang, Maja Bajic, Anja Wunderlich, Juergen Geist, William Orsi, and Florian Einsiedl
EGUsphere, https://doi.org/10.5194/egusphere-2026-2718, 2026
Preprint under review for BG (discussion: open, 0 comments)
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27 May 2026
Tales from the past: remapping dynamic tree- and forest lines in response to changing climate and current land use
Ingrid Vesterdal Tjessem, Peter Horvath, Adam Eindride Naas, Rune Halvorsen, Kerstin Potthoff, Ketil Isaksen, Ole Einar Tveito, Terje Koren Berntsen, Ida Marielle Mienna, and Anders Bryn
EGUsphere, https://doi.org/10.5194/egusphere-2026-2717, 2026
Preprint under review for BG (discussion: open, 0 comments)
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22 May 2026
Permafrost siderite reveals a hidden climate-sensitive inorganic carbon reservoir
Fernando Montaño-López, Ravi Kukkadapu, Sean R. Schaefer, Jessica Gilman Ernakovich, and Caitlin Hicks Pries
EGUsphere, https://doi.org/10.5194/egusphere-2026-2641, 2026
Preprint under review for BG (discussion: open, 0 comments)
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22 May 2026
Human and climate-environment interactions in Pyrenean landscapes: a Lateglacial-Holocene multiproxy reconstruction
Irene Julián-Posada, Graciela Gil-Romera, Ana Moreno, Bérangère Leys, Blas Valero-Garcés, and Penélope González-Sampériz
EGUsphere, https://doi.org/10.5194/egusphere-2026-2563, 2026
Preprint under review for BG (discussion: open, 1 comment)
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21 May 2026
Calcium carbonate dissolution rate changes under future climate scenarios
David Samuel Trossman
EGUsphere, https://doi.org/10.5194/egusphere-2026-2679, 2026
Preprint under review for BG (discussion: open, 1 comment)
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21 May 2026
Long-term throughfall exclusion reduced soil organic carbon towards higher soil microbial carbon use efficiency and lower microbial enzyme activities in Phyllostachys edulis plantations
Yilian Mao, Xupeng Xue, Xiaogai Ge, Tida Ge, Hongwen Yao, and Benzhi Zhou
EGUsphere, https://doi.org/10.5194/egusphere-2026-2229, 2026
Preprint under review for BG (discussion: open, 0 comments)
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21 May 2026
Bacterial Community Structure and Predicted Functional Potential Across Andean Lakes with Contrasting Preservation Status Based on 16S rRNA Gene Profiles
Andrés Gómez-Palacio, Johana Marín-Suarez, Adriana Pedroza-Ramos, and Nelson Aranguren-Riaño
EGUsphere, https://doi.org/10.5194/egusphere-2026-2137, 2026
Preprint under review for BG (discussion: open, 0 comments)
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21 May 2026
Nitrogen Mineralisation Processes in High-Altitude Wet Meadow Soils Along a Vegetation Degradation Gradient and Their Sensitivity to Temperature and Humidity
Yiqiu Wang, Weiwei Ma, Shuzhuo Li, Jianfang Wang, Jianan Du, Wanpeng He, Wenhua Chang, Jiachen Chang, and Guang Li
EGUsphere, https://doi.org/10.5194/egusphere-2026-456, 2026
Preprint under review for BG (discussion: open, 0 comments)
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20 May 2026
Stable isotope signatures, concentrations, and potential supply of particulate organic carbon and nitrogen from summer sea ice in the Indian sector of the Southern Ocean
Keigo D. Takahashi, Ryosuke Makabe, Masayoshi Sano, Kazuki Nakata, Noriaki Kimura, Daiki Nomura, Michiyo Yamamoto-Kawai, Ryo Matsuda, Natsumi Nojiro, Masato Ito, Shintaro Takao, Naho Horimoto-Miyazaki, Aiko Tachibana, Norio Kurosawa, Takeshi Tamura, Mizuki Komatsu, Kay I. Ohshima, Kohei Mizobata, Shigeru Aoki, and Masato Moteki
EGUsphere, https://doi.org/10.5194/egusphere-2026-2645, 2026
Preprint under review for BG (discussion: open, 0 comments)
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20 May 2026
Seen in flakes & drops: local heterogeneity of marine snow, biogeochemistry, and plankton in Svalbard's glacial bays
Emilia Trudnowska, Katarzyna Koziorowska, Anna M. Dąbrowska, Rafał Boehnke, Beata Szymczycha, Katarzyna Draganska-Deja, Łukasz Stachnik, Jon Hawkings, Meri Korhonen, Małgorzata Kitowska, Karol Kuliński, and Mateusz Moskalik
EGUsphere, https://doi.org/10.5194/egusphere-2026-2515, 2026
Preprint under review for BG (discussion: open, 0 comments)
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20 May 2026
Uncovering the Functional Roles of Plasma Membrane Proteins in Foraminiferal biocalcification
Elisa Costanzi, Francesca Zito, Annachiara Bartolini, Arul Marie, Sylvain Bernard, and Anna Sabbatini
EGUsphere, https://doi.org/10.5194/egusphere-2026-2192, 2026
Preprint under review for BG (discussion: open, 0 comments)
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20 May 2026
Quantifying Patterns and Drivers of Larval Dispersal in Japanese Anchovy (Engraulis japonicus) in the China Seas
Wei Shi, Leon Boegman, Shiliang Shan, Yongjun Tian, Yang Liu, Peng Sun, Zhenjiang Ye, Qinwang Xing, and Jianchao Li
EGUsphere, https://doi.org/10.5194/egusphere-2026-2074, 2026
Preprint under review for BG (discussion: open, 3 comments)
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18 May 2026
Distinct Phytoplankton Responses to Dust in the Chinese Marginal Seas: Role of Synoptic Circulation and Air–Sea Heat Exchange
Jiehua Hu, Rong Tian, Jinpei Yan, Xiaoke Zhang, Shanshan Wang, Heng Sun, Hanyue Xu, Shiyu Shen, and Qisheng Zeng
EGUsphere, https://doi.org/10.5194/egusphere-2026-2018, 2026
Preprint under review for BG (discussion: open, 1 comment)
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18 May 2026
Divergent Land and Ocean Biome Trajectories in a Warming World
Debashis Paul, Eun-Jin Park, Eun Young Kwon, Sharif Jahfer, Sahil Sharma, and Mohanan Geethalekshmi Sreeush
EGUsphere, https://doi.org/10.5194/egusphere-2026-1920, 2026
Preprint under review for BG (discussion: open, 0 comments)
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18 May 2026
Codominant tree species showcase opposing hydraulic capacitance-reliance in Central Texas
Caleb Earl Adams, Ashley Michelle Matheny, Suvan Anthony Cabraal, Sanna Annika Sevanto, and Adam Lee Atchley
EGUsphere, https://doi.org/10.5194/egusphere-2026-1881, 2026
Preprint under review for BG (discussion: open, 0 comments)
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13 May 2026
Dynamic CO2 evasion and colloidal control of trace metals in the Lower Lena River
Yuri Ya. Kolesnichenko, Sergey N. Vorobyev, Viktor A. Nikitkin, Oleg V. Dudarev, Denis V. Chernykh, Eduard A. Spivak, Arkadiy V. Kurilenko, Vladimir A. Kholodov, Igor P. Semiletov, and Oleg S. Pokrovsky
EGUsphere, https://doi.org/10.5194/egusphere-2026-2540, 2026
Preprint under review for BG (discussion: open, 3 comments)
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13 May 2026
Urbanization drives coupled shifts in soil-carbon stocks, sources, and stability across natural and restored mangroves and tidal flats
Minde Huang, Fen Guo, Xueqin Gao, Xiaoguang Ouyang, and Yuan Zhang
EGUsphere, https://doi.org/10.5194/egusphere-2026-2512, 2026
Preprint under review for BG (discussion: open, 5 comments)
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13 May 2026
Reviews and syntheses: Microbial Carbon Fixation in Dryland: A component of Global Carbon Cycle
Sulamita Santos Correa, Júnia Schultz, Balamurugan Sadaiappan, Alexandre Soares Rosado, and Sunil Mundra
EGUsphere, https://doi.org/10.5194/egusphere-2026-2278, 2026
Preprint under review for BG (discussion: open, 1 comment)
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08 May 2026
Light availability controls multi-decadal trends in crustose coralline algal cell elongation
Bastian Seidl, Ines Pyko, Thomas Mölg, Wendy Nelson, and Sebastian Teichert
EGUsphere, https://doi.org/10.5194/egusphere-2026-2316, 2026
Preprint under review for BG (discussion: open, 1 comment)
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06 May 2026
Extending planktic foraminiferal Mg/Ca palaeothermometry into polar temperature ranges: crust- and lamellae specific calibrations and non-thermal controls
Adele Westgård, Mohamed M. Ezat, Freya E. Sykes, Julie Meilland, Thomas B. Chalk, J. Andy Milton, Melissa Chierici, and Gavin L. Foster
EGUsphere, https://doi.org/10.5194/egusphere-2026-2415, 2026
Preprint under review for BG (discussion: open, 0 comments)
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05 May 2026
Elemental and isotopic constraints on zooplankton-mediated carbon fluxes in Ryder Bay, Western Antarctic Peninsula
Laura Rose Taylor, Katharine R. Hendry, Helen M. Williams, and Clara Manno
EGUsphere, https://doi.org/10.5194/egusphere-2026-2459, 2026
Preprint under review for BG (discussion: open, 1 comment)
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05 May 2026
CO2 Fertilization to Climate Limitation: Shifting Drivers in a Dryland Forest
Katja Irob, Liling Chang, Yakir Preisler, Sebastian Fiedler, Matthias Büchner, José M. Grünzweig, and Efrat Sheffer
EGUsphere, https://doi.org/10.5194/egusphere-2026-2448, 2026
Preprint under review for BG (discussion: open, 1 comment)
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05 May 2026
Improving ammonia emission predictions with dynamic machine learning models
Armand Favrot, Sophie Génermont, Vincent Guigue, Céline Décuq, and David Makowski
EGUsphere, https://doi.org/10.5194/egusphere-2026-2404, 2026
Preprint under review for BG (discussion: open, 0 comments)
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05 May 2026
Reviews and syntheses: Snow algae on the move – biased motility and snowpack interaction from a biophysics perspective
Caitlin S. de Vries, Melody J. Sandells, Matthew P. Davey, Gary S. Caldwell, and Ottavio A. Croze
EGUsphere, https://doi.org/10.5194/egusphere-2026-2167, 2026
Preprint under review for BG (discussion: final response, 2 comments)
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04 May 2026
High nitrous oxide isotopic variability during denitrification by Pseudomonas species bearing NirK and NirS
Noémy Chénier, Paul M. Magyar, Jakob Zopfi, Claudia Frey, Thomas Kuhn, Moritz F. Lehmann, and Joachim Mohn
EGUsphere, https://doi.org/10.5194/egusphere-2026-1824, 2026
Preprint under review for BG (discussion: open, 2 comments)
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29 Apr 2026
Simulation of long-term peat accumulation dynamics & vulnerability: Insights from a Pole Forest and Palm Swamp in Amazonia
Yarin Tatiana Puerta, Ian T. Lawson, Steve Frolking, Greta Dargie, Jhon del Águila Pasquel, Christine Åkesson, Katy Roucoux, Eurídice N. Honorio Coronado, Gerardo Flores Llampazo, Timothy R. Baker, Mario A. Ruiz, and Adam Hastie
EGUsphere, https://doi.org/10.5194/egusphere-2026-2272, 2026
Preprint under review for BG (discussion: open, 1 comment)
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29 Apr 2026
Methane fluxes from tropical wetlands of the Orinoco River Basin and their regional implications
Joao Henrique Fernandes Amaral, Santiago Botía, Paula Torres Quintero, Anghy Sthephany Gutierrez Rincon, David Ho, Adriana Sanchez, Alvaro Avila-Diaz, Antje Uhde, Benjamin Quesada, Juan C. Benavides, R. Scott Winton, Carlos A. Sierra, Miguel A. Navarro-Ramírez, Diego David Pardo Buitrago, and Stijn Hantson
EGUsphere, https://doi.org/10.5194/egusphere-2026-2080, 2026
Preprint under review for BG (discussion: open, 3 comments)
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28 Apr 2026
Comparison of Modified Bligh-Dyer and Ultrasonic Organic Solvent Methods for GDGT Extraction from Surface Sediments of Lakes with Different Salinities
Rui Miao, Ning Shi, Zenghao Zhao, Hu Liu, Xiangzhong Li, and Huanye Wang
EGUsphere, https://doi.org/10.5194/egusphere-2026-2188, 2026
Preprint under review for BG (discussion: open, 1 comment)
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28 Apr 2026
Root exudation in coastal wetlands: measuring an overlooked but significant carbon flux in mangroves
Lea Hanemann, Huyen Thuong Dang, Hermine Huot, Cornelia Rumpel, Lucie Maillard, Yanni Gunnell, Farid Dahdouh-Guebas, Thi-Minh-Tam Le, Nguyen The Kiet Bui, and Marie Arnaud
EGUsphere, https://doi.org/10.5194/egusphere-2026-2081, 2026
Preprint under review for BG (discussion: final response, 2 comments)
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28 Apr 2026
Variations in Arctic aerosol iron solubility in relation to leaching methodology, air mass characteristics, and seasonality
Chris M. Marsay, Ruifeng Zhang, Alina M. Ebling, Peter L. Morton, Seth G. John, William M. Landing, and Clifton S. Buck
EGUsphere, https://doi.org/10.5194/egusphere-2026-1916, 2026
Preprint under review for BG (discussion: open, 3 comments)
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27 Apr 2026
Long-term nitrogen fertilization increases drought sensitivity of gross primary productivity capacity in a boreal Scots pine forest
Liang Chen, Matthias Peichl, Yunpeng Luo, Peng Zhao, Alisa Krasnova, and Frank Berninger
EGUsphere, https://doi.org/10.5194/egusphere-2026-1940, 2026
Preprint under review for BG (discussion: open, 1 comment)
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27 Apr 2026
Evaluating vegetation indices for monitoring drought and post-drought declines in European forest productivity
Julia Kelly, Tim Schacherl, Lars Eklundh, Hongxiao Jin, Anne Klosterhalfen, Alexander Knohl, and Natascha Kljun
EGUsphere, https://doi.org/10.5194/egusphere-2026-1822, 2026
Preprint under review for BG (discussion: final response, 2 comments)
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24 Apr 2026
Spurious seasonality of Earth observation LAI across three northern evergreen needleleaf forests: Implications for analyses of the carbon cycle
Tim J. Green, David T. Milodowski, T. Luke Smallman, Annikki Mäkelä, and Mathew Williams
EGUsphere, https://doi.org/10.5194/egusphere-2026-2222, 2026
Revised manuscript under review for BG (discussion: final response, 10 comments)
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24 Apr 2026
Temperate marine macrophytes are highly variable sources of Biogenic Volatile Organic Compounds – a comparative study from the Baltic Sea and NE Atlantic
Max Gräfnings, Yuanyuan Luo, Jian Zhao, Claudia L. Cara-Ortega, Kirsten N. Fossum, Frans Graeffe, Lu Lei, Dagmar B. Stengel, Roseline C. Thakur, Jurgita Ovadnevaite, Mikael Ehn, and Camilla Gustafsson
EGUsphere, https://doi.org/10.5194/egusphere-2026-2159, 2026
Preprint under review for BG (discussion: open, 4 comments)
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24 Apr 2026
Impact of light, turbulent mixing, and nutrients on phytoplankton photoinhibition in the euphotic zone from the subtropical to subpolar North Atlantic
Jørgen Bendtsen, Line Dam Jessen, Niels Daugbjerg, and Kathrine Richardson
EGUsphere, https://doi.org/10.5194/egusphere-2026-1718, 2026
Preprint under review for BG (discussion: open, 1 comment)
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23 Apr 2026
Ground-truthing the application of compound-specific stable isotopes of amino acids to planktic foraminifera tests from Santa Barbara Basin
Shannon C. Doherty, Emily Havard, Stephanie Christensen, Genevieve M. Pugsley, Matthew D. McCarthy, and Catherine V. Davis
EGUsphere, https://doi.org/10.5194/egusphere-2026-2228, 2026
Preprint under review for BG (discussion: final response, 2 comments)
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23 Apr 2026
Multiple microscale stable isotope signatures record metabolic processes in ancient deep subsurface barite-pyrite-calcite assemblages
Eric Runge, Vanessa Fichtner, Mikael Tillberg, Martin Whitehouse, and Henrik Drake
EGUsphere, https://doi.org/10.5194/egusphere-2026-2220, 2026
Preprint under review for BG (discussion: final response, 2 comments)
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23 Apr 2026
Ideas and perspectives: Nitrite turnover controls nitrogen fate across redox gradients
Mathieu Sebilo and Rosanna Margalef-Marti
EGUsphere, https://doi.org/10.5194/egusphere-2026-2169, 2026
Preprint under review for BG (discussion: final response, 4 comments)
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23 Apr 2026
Seaweed and coastal plant biomass-stimulated methane emissions driven by methylated compound content
Ning Hall, Leith Murray, Sophie Golding-Chan, Riley Herron, Wei Wen Wong, Katherine J. Jeppe, Christopher Barlow, Chris Greening, and Perran L. M. Cook
EGUsphere, https://doi.org/10.5194/egusphere-2026-2113, 2026
Revised manuscript under review for BG (discussion: final response, 4 comments)
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23 Apr 2026
Tree-microbe-soil interactions affecting soil organic carbon fractions in Mediterranean forest soils
Stav Livne Luzon, Assaf Yaakobi, David Yalin, Dagan Sade, Efrat Dener, Yaara Oppenheimer-Shaanan, and Tamir Klein
EGUsphere, https://doi.org/10.5194/egusphere-2026-2099, 2026
Preprint under review for BG (discussion: open, 1 comment)
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23 Apr 2026
Evaluating GNSS-T VOD sensitivity to plant water dynamics, rainfall interception, and dew in a coniferous forest
Konstantin Schellenberg, Sinikka J. Paulus, Ronald Queck, David Chaparro, Oliver Binks, Maurizio Mencuccini, Sharath S. Paligi, Henrik Hartmann, Christiane Schmullius, Clémence Dubois, and Thomas Jagdhuber
EGUsphere, https://doi.org/10.5194/egusphere-2026-1751, 2026
Preprint under review for BG (discussion: final response, 2 comments)
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22 Apr 2026
Quantifying temperature dependence of Fe reduction in humid tropical soils: a Bayesian model-data integration
Shibli Sadik Tulip, Sherlynette Pérez Castro, Aaron Thompson, Jennifer Pett-Ridge, and Salvatore Calabrese
EGUsphere, https://doi.org/10.5194/egusphere-2026-2111, 2026
Preprint under review for BG (discussion: open, 1 comment)
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22 Apr 2026
Technical note: a Recognition-assisted Camera for Automated Microscopy (RaCAM)
Martin Tetard and Ross Marchant
EGUsphere, https://doi.org/10.5194/egusphere-2026-2075, 2026
Preprint under review for BG (discussion: open, 3 comments)
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22 Apr 2026
A multi-nutrient budget helps to understand masting regulation in beech forests along a fertility gradient
Jeanne Touche, Marie-Pierre Turpault, Philippe Santenoise, Paul-Olivier Redon, and Christophe Calvaruso
EGUsphere, https://doi.org/10.5194/egusphere-2026-2053, 2026
Preprint under review for BG (discussion: open, 0 comments)
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22 Apr 2026
Shell hash promotes growth in Pacific littleneck clams (Leukoma staminea) by altering pore water chemistry
Hannah Kempf, Alyssa Griffin, Tessa Hill, Tsim Schneider, Sandra Carlson, and David Gold
EGUsphere, https://doi.org/10.5194/egusphere-2026-1930, 2026
Preprint under review for BG (discussion: final response, 2 comments)
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21 Apr 2026
Review and Synthesis: operational prediction of ocean biogeochemistry in the Copernicus Marine Service. Main achievements and perspectives
Marilaure Grégoire, Gianpiero Cossarini, Corinne Derval, Elodie Gutknecht, Susan Kay, Julien Lamouroux, Helen Morrison, Coralie Perruche, Annette Samuelsen, Lena Spruch, Anna Teruzzi, Luc Vandenbulcke, Karina Von Schuckmann, and Tsuyoshi Wakamatsu
EGUsphere, https://doi.org/10.5194/egusphere-2026-813, 2026
Preprint under review for BG (discussion: final response, 3 comments)
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20 Apr 2026
Drowning in a sandy ocean: Epiarenic growth of Tillandsia in the hyperarid Atacama Desert
Robin Schweikert, Ron Eric Stein, Neil Bogs, Olaf Bubenzer, Camilo del Río, Dörte Harpke, Simon Matthias May, Alexander Siegmund, Alexandra Stoll, Dietmar Quandt, and Marcus A. Koch
External preprint server, https://doi.org/10.64898/2026.02.23.707457, 2026
Preprint under review for BG (discussion: open, 2 comments)
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17 Apr 2026
Long-term variability of Norway lobster (Nephrops norvegicus) landings in relation to a changing climate in the Northwestern Mediterranean Sea
Mireia G. Mingote, Frédéric Cyr, Eve Galimany, Ricardo Santos-Bethencourt, Jordi Isern-Fontanet, Jordi Ribera-Altimir, Joan Sala-Coromina, Mariona Panisello-Garriga, and Joan B. Company
EGUsphere, https://doi.org/10.5194/egusphere-2026-1554, 2026
Preprint under review for BG (discussion: open, 1 comment)
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17 Apr 2026
Climate-smart grassland use in dry steppes of Russia and Kazakhstan – Assessment of green-house-gas emission dynamics, agricultural potentials and trade-offs
Susanne Rolinski, Jens Heinke, Stephen B. Wirth, and Christoph Müller
EGUsphere, https://doi.org/10.5194/egusphere-2026-1529, 2026
Preprint under review for BG (discussion: open, 1 comment)
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17 Apr 2026
Linking Sea–Air and Benthic Methane Fluxes Across Seasons in a Tropical Seagrass Meadow of Taiwan
Hsiao-Chun Tseng, Agnes Sonya Meilani Lumban Gaol, Fu-Hsuen Lin, Jian-Jhih Chen, and Wen-Chen Chou
EGUsphere, https://doi.org/10.5194/egusphere-2026-1488, 2026
Preprint under review for BG (discussion: final response, 10 comments)
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16 Apr 2026
Seven millennia of carbon accumulation in the Lower Danube Floodplain controlled by base-level change and anthropogenic forcing
Laurențiu Țuțuianu, Florin Zăinescu, Alfred Vespremeanu-Stroe, Ionel Bogdan Stan, Mihaela Dobre, Maria Luca-Ilie, Gabriela Sava, Cristian Mănăilescu, and Luminiţa Preoteasa
EGUsphere, https://doi.org/10.5194/egusphere-2026-1693, 2026
Preprint under review for BG (discussion: open, 0 comments)
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16 Apr 2026
Acidification in coastal waters of Adélie Land, Antarctica (1985–2025)
Nicolas Metzl, Bronte Tilbrook, John Akl, Craig Neill, Alexandra Aymard, Claire Lo Monaco, Gilles Reverdin, Jean-Baptiste Sallée, Aude Barton, Frédéric Chevallier, and Marion Gehlen
EGUsphere, https://doi.org/10.5194/egusphere-2026-1664, 2026
Preprint under review for BG (discussion: final response, 2 comments)
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10 Apr 2026
The δ15N of chlorophyll to reconstruct the nitrate cycle in Adélie Land, East Antarctica, over the last 2000 years
Thibault Sutre, Johan Etourneau, Xavier Crosta, Nanako O. Ogawa, Robert McKay, Hisami Suga, Naohiko Ohkouchi, and Carlota Escutia
EGUsphere, https://doi.org/10.5194/egusphere-2026-1897, 2026
Preprint under review for BG (discussion: final response, 2 comments)
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10 Apr 2026
Experimental evidence that organo-mineral interactions regulate dissolved organic matter composition and lability across permafrost landscapes of northwestern Canada
Gabrielle K. F. Hatten, Steven V. Kokelj, Sophie Opfergelt, Duane G. Froese, Alejandro Alvarez, Joseph M. Young, and Suzanne E. Tank
EGUsphere, https://doi.org/10.5194/egusphere-2026-1844, 2026
Preprint under review for BG (discussion: final response, 2 comments)
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10 Apr 2026
Greater variability in environmental stress favours trees that prioritise storage of carbohydrate reserves over growth: a modelling analysis
Elisa Z. Stefaniak, David T. Tissue, Daniel S. Falster, and Belinda E. Medlyn
EGUsphere, https://doi.org/10.5194/egusphere-2026-1474, 2026
Preprint under review for BG (discussion: open, 0 comments)
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09 Apr 2026
Assessment of vegetation water dynamics by comparing microwave remote sensing signals from satellites and field-based GNSS reflectometry
Andrew F. Feldman, William K. Smith, Alexandra G. Konings, Martin J. Baur, Marvin Browne, David Chaparro, Charles Devine, Jennifer L. Diehl, Arthur Endsley, Thomas Jagdhuber, Kristine M. Larson, Coral del Mar Valle-Rodriguez, Konstantin Schellenberg, Ruxandra-Maria Zotta, and Shawn P. Serbin
EGUsphere, https://doi.org/10.5194/egusphere-2026-1759, 2026
Preprint under review for BG (discussion: open, 2 comments)
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09 Apr 2026
Land formation driven by sediment accumulation and vegetation dynamics in the marsh: A case study in the Kitchen Pond area in the modern Mississippi River Delta
Janaka Wijayawardhana, Christian James, Aaron Jordan, and Harish Ratnayaka
EGUsphere, https://doi.org/10.5194/egusphere-2026-1595, 2026
Preprint under review for BG (discussion: open, 1 comment)
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