2017
DOI: 10.1175/jpo-d-16-0176.1
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The Energetics of Southern Ocean Upwelling

Abstract: The ocean's meridional overturning circulation is closed by the upwelling of dense, carbon-rich waters to the surface of the Southern Ocean. It has been proposed that upwelling in this region is driven by strong westerly winds, implying that the intensification of Southern Ocean winds in recent decades may have enhanced the rate of upwelling, potentially affecting the global overturning circulation. However, there is no consensus on the sensitivity of upwelling to winds or on the nature of the connection betwe… Show more

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Cited by 37 publications
(82 citation statements)
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“…Figures a–d show P m (integrated over depths of 100–1,500 m) averaged over D as well as the anomalies of the phases A − C with respect to D . The D ‐mean P m distribution (Figure a) is largely similar to the results shown by Wu et al () and Hogg et al (). Noting the logarithmic color scale, this figure shows that the dominant storage of P m occurs at high latitudes around Antarctica, where dense water can be found close to the surface; this water contains energy that is available to be converted to KE by sinking through the depth of the ocean to its reference level.…”
Section: An Lec Description Of the Somsupporting
confidence: 88%
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“…Figures a–d show P m (integrated over depths of 100–1,500 m) averaged over D as well as the anomalies of the phases A − C with respect to D . The D ‐mean P m distribution (Figure a) is largely similar to the results shown by Wu et al () and Hogg et al (). Noting the logarithmic color scale, this figure shows that the dominant storage of P m occurs at high latitudes around Antarctica, where dense water can be found close to the surface; this water contains energy that is available to be converted to KE by sinking through the depth of the ocean to its reference level.…”
Section: An Lec Description Of the Somsupporting
confidence: 88%
“…Finally, Figure shows the power input by the winds ( G ( K m ) and G ( K e ), respectively) averaged of D as well as the anomalies of the phases A – C with respect to D . The geographic distribution of the D ‐average of the generation from the time‐mean wind stress resembles the distributions described in previous studies (Hogg et al, ; von Storch et al, ; Wu et al, ). That is, the power input from the time‐mean wind stresses is most intense in the region of the eastward flowing ACC where the westerly winds are strongest with generally larger magnitudes south of Africa and in the Indian Ocean sector of the SO than those farther eastward.…”
Section: An Lec Description Of the Somsupporting
confidence: 82%
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