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Impact of an exceptional winter flood on benthic oxygen and nutrient fluxes in a temperate macrotidal estuary: potential consequences on summer deoxygenation

1. Introduction
2. Méthods
2.1. Study area and hydrological context
2.2. Water and sediment sampling, processing, and analysis
2.3. Water-sediment fluxes
2.4. Mass balance and sediment contribution to hypoxia
3. Results
3.1. Water column chemistry
3.2. Sediment characteristics
3.3. Oxygen distribution at the sediment-water interface
3.4. Redox-sensitive elements from interface cores
3.5. Water-sediment fluxes
4. Discussion
4.1. Extreme hydrologic conditions and their benthic geochemical signature
4.2. Influence ox extreme hydrological conditions on diagenetic processes and benthic fluxes
4.3. Sedimentary resilience after the flood
4.4. Sediment and water column contributions to nutrient and oxygen stock
4.5. Perspectives and hypoxia management
5. Conclusion