Articles | Volume 13, issue 18
https://doi.org/10.5194/bg-13-5379-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/bg-13-5379-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
27 Sep 2016
Research article |
| 27 Sep 2016
Carbonate chemistry in sediment porewaters of the Rhône River delta driven by early diagenesis (northwestern Mediterranean)
Laboratoire des Sciences du Climat et de l'Environnement, LSCE/IPSL,
CEA-CNRS-UVSQ-Université Paris Saclay, 91198 Gif-sur-Yvette, France
Bruno Lansard
Laboratoire des Sciences du Climat et de l'Environnement, LSCE/IPSL,
CEA-CNRS-UVSQ-Université Paris Saclay, 91198 Gif-sur-Yvette, France
Lara Pozzato
Laboratoire des Sciences du Climat et de l'Environnement, LSCE/IPSL,
CEA-CNRS-UVSQ-Université Paris Saclay, 91198 Gif-sur-Yvette, France
Institut Méditerranéen d'Océanologie,
CNRS-IRD-Université de Toulon-Aix Marseille, 13288 Marseille, France
Christophe Rabouille
Laboratoire des Sciences du Climat et de l'Environnement, LSCE/IPSL,
CEA-CNRS-UVSQ-Université Paris Saclay, 91198 Gif-sur-Yvette, France
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- Controlling the diffusive boundary layer thickness above the sediment–water interface in a thermostated rotating‐disk reactor O. Sulpis et al. 10.1002/lom3.10309
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38 citations as recorded by crossref.
- Modelling biogeochemical processes in sediments from the north-western Adriatic Sea: response to enhanced particulate organic carbon fluxes D. Brigolin et al. 10.5194/bg-15-1347-2018
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- Porewater Carbonate Chemistry Dynamics in a Temperate and a Subtropical Seagrass System T. Kindeberg et al. 10.1007/s10498-020-09378-8
- Biogeochemical and mineralogical effects of Fe-P-S dynamics in sediments of continental shelf sea: Impact of salinity, oxygen conditions, and catchment area characteristics K. Łukawska-Matuszewska et al. 10.1016/j.scitotenv.2021.151035
- The effect of land use in the catchment and meteorological conditions on the riverine transport of dissolved organic carbon into the Puck Lagoon (southern Baltic) D. Saniewska et al. 10.1007/s10661-018-6857-2
- Benthic alkalinity and dissolved inorganic carbon fluxes in the Rhône River prodelta generated by decoupled aerobic and anaerobic processes J. Rassmann et al. 10.5194/bg-17-13-2020
- The roles of resuspension, diffusion and biogeochemical processes on oxygen dynamics offshore of the Rhône River, France: a numerical modeling study J. Moriarty et al. 10.5194/bg-14-1919-2017
- Origin of remineralized organic matter in sediments from the Rhone River prodelta (NW Mediterranean) traced by Δ 14 C and δ 13 C signatures of pore water DIC L. Pozzato et al. 10.1016/j.pocean.2017.05.008
- Comparing Rhizon samplers and centrifugation for pore‐water separation in studies of the marine carbonate system in sediments Z. Steiner et al. 10.1002/lom3.10286
- Transient early diagenetic processes in Rhône prodelta sediments revealed in contrasting flood events L. Pastor et al. 10.1016/j.csr.2018.07.005
- FESDIA (v1.0): exploring temporal variations of sediment biogeochemistry under the influence of flood events using numerical modelling S. Nmor et al. 10.5194/gmd-15-7325-2022
- Fungi increases kelp (Ecklonia radiata) remineralisation and dissolved organic carbon, alkalinity, and dimethylsulfoniopropionate (DMSP) production A. Perkins et al. 10.1016/j.scitotenv.2023.166957
- Early Diagenesis in Sediments of the Venice Lagoon (Italy) and Its Relationship to Hypoxia D. Brigolin et al. 10.3389/fmars.2020.575547
- Multiple drivers for carbon stocks and fluxes in different types of mangroves X. Ouyang et al. 10.1016/j.scitotenv.2023.167511
- Early Diagenesis in the Hypoxic and Acidified Zone of the Northern Gulf of Mexico: Is Organic Matter Recycling in Sediments Disconnected From the Water Column? C. Rabouille et al. 10.3389/fmars.2021.604330
- Isotopic Signature (δ13C, ∆14C) of DIC in Sediment Pore Waters: An Example from the Rhone River Delta J. Dumoulin et al. 10.1017/RDC.2018.111
- Pore water alkalinity below the permanent halocline in the Gdańsk Deep (Baltic Sea) - Concentration variability and benthic fluxes K. Łukawska-Matuszewska & B. Graca 10.1016/j.marchem.2018.05.011
- Influence of toilet flushing water when using an on-site faecal sludge treatment combining electrocoagulation-flotation and anaerobic digestion P. Dong et al. 10.1016/j.jwpe.2024.105141
- Impact of ocean acidification on the biogeochemistry and meiofaunal assemblage of carbonate-rich sediments: Results from core incubations (Bay of Villefranche, NW Mediterranean Sea) J. Rassmann et al. 10.1016/j.marchem.2018.05.006
- Constraining the origin of recently deposited particles using natural radionuclides 7Be and 234Thex in deltaic sediments J. Wu et al. 10.1016/j.csr.2018.06.010
- New insights into large-scale trends of apparent organic matter reactivity in marine sediments and patterns of benthic carbon transformation F. Freitas et al. 10.5194/bg-18-4651-2021
- Differential manganese and iron recycling and transport in continental margin sediments of the Northern Gulf of Mexico S. Owings et al. 10.1016/j.marchem.2020.103908
- Chronology and sources of trace elements accumulation in the Rhône pro-delta sediments (Northwestern Mediterranean) during the last 400 years D. Cossa et al. 10.1016/j.pocean.2017.01.008
- Decoupling of Pore Water Chemistry, Bacterial Community Profiles, and Carbonate Mud Diagenesis in a Land-Locked Pool on Aldabra (Seychelles, Indian Ocean) D. Fussmann et al. 10.1080/01490451.2022.2070689
- Mercury Mobility in Epibenthic Waters of a Deltaic Environment D. Cossa et al. 10.1029/2023JG007575
- Minerogenic salt marshes can function as important inorganic carbon stores P. Mueller et al. 10.1002/lno.12322
- Blue carbon sequestration dynamics within tropical seagrass sediments: long-term incubations for changes over climatic scales C. Chuan et al. 10.1071/MF19119
- Carbon, iron and sulphur cycling in the sediments of a Mediterranean lagoon (Ghar El Melh, Tunisia) W. Oueslati et al. 10.1016/j.ecss.2019.03.008
- Direct evidence of sediment carbonate dissolution in response to bottom-water acidification in the Gulf of St. Lawrence, Canada W. Nesbitt & A. Mucci 10.1139/cjes-2020-0020
- Seasonal variation of early diagenesis and greenhouse gas production in coastal sediments of Cadiz Bay: Influence of anthropogenic activities M. Burgos et al. 10.1016/j.ecss.2017.10.016
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- IDENTIFICATION IN PORE WATERS OF RECYCLED SEDIMENT ORGANIC MATTER USING THE DUAL ISOTOPIC COMPOSITION OF CARBON (δ13C AND Δ14C): NEW DATA FROM THE CONTINENTAL SHELF INFLUENCED BY THE RHÔNE RIVER J. Dumoulin et al. 10.1017/RDC.2022.71
- Controlling the diffusive boundary layer thickness above the sediment–water interface in a thermostated rotating‐disk reactor O. Sulpis et al. 10.1002/lom3.10309
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- Intertidal regions changing coastal alkalinity: The Wadden Sea‐North Sea tidally coupled bioreactor Y. Voynova et al. 10.1002/lno.11103
- Sinking particles in the photic zone: relations with biogeochemical properties in different sectors of the Cananéia-Iguape Estuarine-Lagoon Complex (CIELC)-Brazil B. Sutti et al. 10.1590/2675-2824071.22075bos
Latest update: 25 Apr 2024
Short summary
In situ O2 and pH measurements as well as determination of porewater concentrations of dissolved inorganic carbon, total alkalinity, sulfate and calcium have been measured in the sediments of the Rhône prodelta. Biogeochemical activity decreased with distance from the river mouth. Oxic processes decreased the carbonate saturation state (Ω) by lowering pH, whereas anaerobic organic matter degradation, dominated by sulfate reduction, was accompanied by increasing Ω and carbonate precipitation.
In situ O2 and pH measurements as well as determination of porewater concentrations of dissolved...
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