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Revising the Bering Strait freshwater flux into the Arctic Ocean
Abstract
The freshwater flux through the Bering Strait into the Arctic Ocean is important regionally and globally, e.g. for Chukchi Sea hydrography, Arctic Ocean stratification, the global freshwater cycle, and the stability of the Atlantic overturning circulation. Aagaard and Carmack [1989] estimated the Bering Strait freshwater flux as 1670 km 3/yr (relative to 34.8 psu), assuming an annual mean transport (0.8 Sv) and salinity (32.5 psu). This is ∼1/3rd of the total freshwater input to the Arctic. Using long‐term moored measurements and ship‐based observations, we show that this is a substantial underestimate of the freshwater flux. Specifically, the warm, fresh Alaskan Coastal Current in the eastern Bering Strait may add ∼400 km 3/yr. Seasonal stratification and ice transport may add another ∼400 km 3/yr. Combined, these corrections are larger than the interannual variability observed by near‐bottom measurements and near‐surface measurements will be necessary to quantify this flux and its interannual variability.
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Cited by
Woodgate, R. A. (2018) · Progress in Oceanography · doi:10.1016/j.pocean.2017.12.007 · Cited by 482
Self-citationSerreze, M. C., & Barry, R. G. (2005) · doi:10.1017/cbo9780511535888 · Cited by 385
Macdonald, R. W., & Gobeil, C. (2012) · Aquatic Geochemistry · doi:10.1007/s10498-011-9149-9 · Cited by 88
Arctic Ocean simulations in the CMIP6 Ocean Model Intercomparison Project (OMIP)
Shu, Q., Wang, Q., Guo, C., Song, Z., Wang, S., He, Y., & Qiao, F. (2023) · Geoscientific Model Development · doi:10.5194/gmd-16-2539-2023 · Cited by 20
Metadata
- Authors
- Woodgate, R. A., & Aagaard, K.
- Venue
- Geophysical Research Letters
- Publisher
- American Geophysical Union (AGU)
- Published
- 2005-01
- Volume
- 32
- Issue
- 2
- ISSN
- 0094-8276 (ISSN-L)
- 1944-8007
- OpenAlex
- W2033752922
- Cited by
- 363
- References
- 0
- FWCI
- 14.49
- Type
- journal article
- Language
- en
- Open access
- closed
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- Woodgate, R. A., & Aagaard, K. (2005). Revising the Bering Strait freshwater flux into the Arctic Ocean. Geophysical Research Letters. https://doi.org/10.1029/2004gl021747
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