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Sea Level Trend and Fronts in the South Atlantic Ocean

Ruiz-Etcheverry, Laura A. and Saraceno, Martin, 2020. Sea Level Trend and Fronts in the South Atlantic Ocean. Geosciences, 10(6):218, doi:10.3390/geosciences10060218.

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@ARTICLE{2020Geosc..10..218R,
       author = {{Ruiz-Etcheverry}, Laura A. and {Saraceno}, Martin},
        title = "{Sea Level Trend and Fronts in the South Atlantic Ocean}",
      journal = {Geosciences},
     keywords = {sea level trend, South Atlantic, ocean mass, steric height, satellite altimetry},
         year = 2020,
        month = jun,
       volume = {10},
       number = {6},
          eid = {218},
        pages = {218},
     abstract = "{The understanding of the physical drivers of sea level trend is crucial
        on global and regional scales. In particular, little is known
        about the sea level trend in the South Atlantic Ocean in
        comparison with other parts of the world. In this work, we
        computed the South Atlantic mean sea level (SAMSL) trend from 25
        years of satellite altimetry data, and we analyzed the
        contributions of steric height (thermosteric and halosteric
        components) and ocean mass changes for the period 2005-2016 when
        all the source data used (Argo, GRACE and satellite altimetry)
        overlap. The SAMSL trend is 2.65 {\ensuremath{\pm}} 0.24 mm/yr
        and is mostly explained by ocean mass trend, which is 2.22
        {\ensuremath{\pm}} 0.21 mm/yr. However, between 50{\textdegree}
        S-33{\textdegree} S, the steric height component constitutes the
        main contribution in comparison with the ocean mass component.
        Within that latitudinal band, three regions with trend values
        higher than the SAMSL trend are observed when considering 25
        years of satellite SLA. In the three regions, a southward
        displacement of the Subtropical, Subantarctic, and Polar Fronts
        is observed. The southward shift of the fronts is associated
        with the strengthening and polar shift of westerly winds and
        contributes to a clear thermosteric trend that translates to the
        SLA trend observed in those regions.}",
          doi = {10.3390/geosciences10060218},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2020Geosc..10..218R},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

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