Data for: Increasing hypoxia on global coral reefs under ocean warming
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Pezner, Ariel1
- Courtney, Travis2
- Barkley, Hannah3
- Chou, Wen-Chen4
- Chu, Hui-Chuan4
- Clements, Samantha1
- Cyronak, Tyler5
- DeGrandpre, Michael6
- Kekuewa, Samuel1
- Kline, David7
- Liang, Yi-Bei8
- Martz, Todd1
- Mitarai, Satoshi9
- Page, Heather10
- Rintoul, Max1
- Smith, Jennifer1
- Soong, Keryea8
- Takeshita, Yuichiro11
- Tresguerres, Martin1
- Wei, Yi12
- Yates, Kimberly13
- Andersson, Andreas1
- 1. Scripps Institution of Oceanography
- 2. University of Puerto Rico at Mayagüez
- 3. National Oceanic and Atmospheric Administration
- 4. National Taiwan Ocean University
- 5. Georgia Southern University
- 6. University of Montana
- 7. Smithsonian Tropical Research Institute
- 8. National Sun Yat-sen University
- 9. Okinawa Institute of Science and Technology
- 10. Sea Education Association
- 11. Monterey Bay Aquarium Research Institute
- 12. National Taiwan University
- 13. United States Geological Survey
Description
Ocean deoxygenation is predicted to threaten marine ecosystems globally. However, current and future oxygen concentrations and the occurrence of hypoxic events on coral reefs remain underexplored. Here, using autonomous sensor data to explore oxygen variability and hypoxia exposure at 32 representative reef sites, we reveal that hypoxia is already pervasive on many reefs. 84% of reefs experienced weak to moderate (≤153 to ≤92 μmol O2 kg-1) hypoxia and 13% experienced severe (≤61 μmol O2 kg-1) hypoxia. Under different climate change scenarios based on 4 Shared Socioeconomic Pathways (SSPs), we show that projected ocean warming and deoxygenation will increase the duration, intensity, and severity of hypoxia, with more than 94% and 31% of reefs experiencing weak to moderate and severe hypoxia, respectively, by 2100 under SSP5-8.5. This projected oxygen loss could have negative consequences for coral reef taxa due to the key role of oxygen in organism functioning and fitness.
Notes
Files
cmip6_sst_increase.csv
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(22.6 MB)
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Additional details
Related works
- Is cited by
- 10.1038/s41558-023-01619-2 (DOI)
- Is derived from
- https://github.com/apezner/GlobalReefOxygen (URL)