Temporal and spatial evolution of bottom-water hypoxia in the Estuary and Gulf of St. Lawrence

• Main Authors: Jutras, Mathilde, Mucci, Alfonso, Chaillou, Gwenaëlle, Nesbitt, William A., Wallace, Douglas W. R.
• Format: Text
• Language: English
• Published: 2023
• Subjects: Cabot; North Atlantic
• Online Access: https://doi.org/10.5194/egusphere-2022-1090; https://egusphere.copernicus.org/preprints/2022/egusphere-2022-1090/

Persistent hypoxic bottom waters have developed in the Lower St Lawrence Estuary (LSLE) and have impacted fish and benthic species distributions. Minimum dissolved oxygen concentrations decreased from ∼ 125 µ mol L −1 (38 % saturation) in the 1930s to ∼ 65 µ mol L −1 (21 % saturation) in 1984. Minim...