Ocean Science
Ocean Science
OS
Articles | Volume 16, issue 5
Articles | Volume 16, issue 5
https://doi.org/10.5194/os-16-1285-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/os-16-1285-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 16, issue 5
Research article
 | 
29 Oct 2020
Research article |  | 29 Oct 2020

Seasonal and interannual variabilities of the barrier layer thickness in the tropical Indian Ocean

Xu Yuan, Xiaolong Yu, and Zhongbo Su

Data sets

NOAA Optimum Interpolation (OI) Sea Surface Temperature (SST) V2 National Oceanic and Atmospheric Administration https://www.esrl.noaa.gov/psd/data/gridded/data.noaa.oisst.v2.html

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Short summary
This work investigates the variabilities of the barrier layer thickness (BLT) in the tropical Indian Ocean with the Simple Ocean Data Assimilation version 3 ocean reanalysis data. Our results show that the seasonal variation of the BLT is in relation to the changes of thermocline and sea surface salinity. In terms of the interannual timescale, BLT presents a clear seasonal phase locking dominated by different drivers during the Indian Dipole and El Niño–Southern Oscillation events.
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