2020
DOI: 10.21203/rs.3.rs-88932/v1
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Global changes in oceanic mesoscale currents over the satellite altimetry record

Abstract: Oceanic eddies play a profound role in mixing tracers such as heat, carbon, and nutrients, thereby regulating regional and global climate. Yet, it remains unclear how global oceanic eddy kinetic energy has evolved over the past few decades. Furthermore, coupled climate model predictions generally fail to resolve oceanic mesoscale dynamics, which could limit their accuracy in simulating future climate change. Here we show a global statistically significant increase of the eddy activity using two independent obs… Show more

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Cited by 21 publications
(38 citation statements)
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“…Yet, the trends shown in Figure 5 agree reasonably well with those shown by Martínez‐Moreno et al. (2021), their Figures 1f and 2f; due to different definition of EKE, there are some quantitative differences), adding confidence to our results.…”
Section: Resultssupporting
confidence: 91%
“…Yet, the trends shown in Figure 5 agree reasonably well with those shown by Martínez‐Moreno et al. (2021), their Figures 1f and 2f; due to different definition of EKE, there are some quantitative differences), adding confidence to our results.…”
Section: Resultssupporting
confidence: 91%
“…The use of model stratification (for mode calculations) and flow fields (for the suppression factor), combined with a prognostic parameterization for the EKE following GEOMETRIC (Mak et al., 2018) or MEKE (Jansen et al., 2019) for example, should be explored. In addition to more accurately representing spatial EKE variability more appropriate to “model world”, such dynamic models might allow the temporal variability in eddy mixing associated with internal variability (e.g., Busecke & Abernathey, 2019) or forced long‐term trends (e.g., Martínez‐Moreno et al., 2021), and their feedbacks onto that variability, to be captured.…”
Section: Summary and Discussionmentioning
confidence: 99%
“…The eddy in this study differs from those of previous marine nitrogen studies, and further work on the connection between different types of eddies and N 2 O cycling in the ETNP is needed to test this framework and more fully model the outgassing of N 2 O in this region. The link between N 2 O and eddies may be especially relevant in the context of climate change, with eddy activity increasing in response to a warming ocean (Martínez‐Moreno et al., 2021).…”
Section: Discussionmentioning
confidence: 99%