Articles | Volume 19, issue 14
https://doi.org/10.5194/bg-19-3523-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-19-3523-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Unprecedented summer hypoxia in southern Cape Cod Bay: an ecological response to regional climate change?
Applied Ocean Physics and Engineering, Woods Hole Oceanographic Institution, Woods Hole, MA, 02543, USA
W. Rockwell Geyer
Applied Ocean Physics and Engineering, Woods Hole Oceanographic Institution, Woods Hole, MA, 02543, USA
David Borkman
Rhode Island Department of Environmental Management, Providence, RI, 02908, USA
Tracy L. Pugh
Massachusetts Division of Marine Fisheries, New Bedford, MA, 02744, USA
Amy Costa
Department of Ecology, Center for Coastal Studies, Provincetown, MA, 02657, USA
Owen C. Nichols
Department of Ecology, Center for Coastal Studies, Provincetown, MA, 02657, USA
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13 citations as recorded by crossref.
- Enhancing Marina Sustainability: Water Quality and Flushing Efficiency in Marinas M. Alkhalidi & A. Alsulaili https://doi.org/10.3390/jmse12040649
- The Occurrence of Karenia species in mid-Atlantic coastal waters: Data from the Delmarva Peninsula, USA J. Wolny et al. https://doi.org/10.1016/j.hal.2024.102579
- Protists in hypoxic waters of Jinhae Bay and Masan Bay, Korea, based on metabarcoding analyses: emphasizing surviving dinoflagellates J. Ok et al. https://doi.org/10.4490/algae.2023.38.12.6
- Detection of a late autumn Karenia papilionacea bloom in Virginia, USA, coastal waters J. Wolny et al. https://doi.org/10.1016/j.hal.2025.102805
- Benthic sediment disturbances by episodic human-controlled discharge in an altered estuary S. Jeong et al. https://doi.org/10.1016/j.margeo.2023.107168
- Out of oxygen: Stratification and loading drove hypoxia during a warm, wet, and productive year in a Great Lakes estuary N. Dugener et al. https://doi.org/10.1016/j.jglr.2023.06.007
- Bridging the gap: Oxygen and nutrient budgets in the Loire estuary using a benthic-pelagic box model N. Boukortt et al. https://doi.org/10.1016/j.scitotenv.2025.180446
- Position Shifts of a Bottom Density Front Control Hypoxia Exposure at the Tidal-Flat Margin in a Macrotidal Estuary T. Tokunaga https://doi.org/10.1007/s12237-026-01727-0
- A high-resolution coupled physical-biogeochemical model of the northeastern US continental shelf: MOM6-COBALT-NEUS25v1.0 D. Sasaki et al. https://doi.org/10.5194/gmd-19-6737-2026
- A Review of American Lobster ( Homarus americanus ) Research Since 2000 J. Goldstein et al. https://doi.org/10.1080/23308249.2025.2514440
- Recurringly Hypoxic: Bottom Water Oxygen Depletion Is Linked to Temperature and Precipitation in a Great Lakes Estuary N. Dugener et al. https://doi.org/10.3390/hydrobiology2020027
- Dual-quantification of the different contributions of climate change and anthropogenic activities to eutrophication of rivers and lakes in Asia's largest river basin (Yangtze River) X. Wang et al. https://doi.org/10.1016/j.jhazmat.2025.139205
- Aquaculture of seaweeds ( Saccharina latissima , Ulva spp., Gracilaria spp.) significantly improves the growth of co-cultivated bivalves in mesotrophic, but not eutrophic, estuaries L. Sylvers et al. https://doi.org/10.1080/26388081.2025.2579943
13 citations as recorded by crossref.
- Enhancing Marina Sustainability: Water Quality and Flushing Efficiency in Marinas M. Alkhalidi & A. Alsulaili https://doi.org/10.3390/jmse12040649
- The Occurrence of Karenia species in mid-Atlantic coastal waters: Data from the Delmarva Peninsula, USA J. Wolny et al. https://doi.org/10.1016/j.hal.2024.102579
- Protists in hypoxic waters of Jinhae Bay and Masan Bay, Korea, based on metabarcoding analyses: emphasizing surviving dinoflagellates J. Ok et al. https://doi.org/10.4490/algae.2023.38.12.6
- Detection of a late autumn Karenia papilionacea bloom in Virginia, USA, coastal waters J. Wolny et al. https://doi.org/10.1016/j.hal.2025.102805
- Benthic sediment disturbances by episodic human-controlled discharge in an altered estuary S. Jeong et al. https://doi.org/10.1016/j.margeo.2023.107168
- Out of oxygen: Stratification and loading drove hypoxia during a warm, wet, and productive year in a Great Lakes estuary N. Dugener et al. https://doi.org/10.1016/j.jglr.2023.06.007
- Bridging the gap: Oxygen and nutrient budgets in the Loire estuary using a benthic-pelagic box model N. Boukortt et al. https://doi.org/10.1016/j.scitotenv.2025.180446
- Position Shifts of a Bottom Density Front Control Hypoxia Exposure at the Tidal-Flat Margin in a Macrotidal Estuary T. Tokunaga https://doi.org/10.1007/s12237-026-01727-0
- A high-resolution coupled physical-biogeochemical model of the northeastern US continental shelf: MOM6-COBALT-NEUS25v1.0 D. Sasaki et al. https://doi.org/10.5194/gmd-19-6737-2026
- A Review of American Lobster ( Homarus americanus ) Research Since 2000 J. Goldstein et al. https://doi.org/10.1080/23308249.2025.2514440
- Recurringly Hypoxic: Bottom Water Oxygen Depletion Is Linked to Temperature and Precipitation in a Great Lakes Estuary N. Dugener et al. https://doi.org/10.3390/hydrobiology2020027
- Dual-quantification of the different contributions of climate change and anthropogenic activities to eutrophication of rivers and lakes in Asia's largest river basin (Yangtze River) X. Wang et al. https://doi.org/10.1016/j.jhazmat.2025.139205
- Aquaculture of seaweeds ( Saccharina latissima , Ulva spp., Gracilaria spp.) significantly improves the growth of co-cultivated bivalves in mesotrophic, but not eutrophic, estuaries L. Sylvers et al. https://doi.org/10.1080/26388081.2025.2579943
Saved (final revised paper)
Latest update: 12 Aug 2026
Short summary
For two consecutive summers, the bottom waters in southern Cape Cod Bay became severely depleted of dissolved oxygen. Low oxygen levels in bottom waters have never been reported in this area before, and this unprecedented occurrence is likely the result of a new algae species that recently began blooming during the late-summer months. We present data suggesting that blooms of this new species are the result of regional climate change including warmer waters and changes in summer winds.
For two consecutive summers, the bottom waters in southern Cape Cod Bay became severely depleted...
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