Articles | Volume 15, issue 2
https://doi.org/10.5194/esd-15-323-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/esd-15-323-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Estimating freshwater flux amplification with ocean tracers via linear response theory
Courant Institute of Mathematical Sciences, New York University, New York, New York, USA
Laure Zanna
Courant Institute of Mathematical Sciences, New York University, New York, New York, USA
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We present an idealized ocean model configuration and a set of simulations performed using varying horizontal grid spacing. While the model domain is idealized, it resembles important geometric features of the Atlantic and Southern oceans. The simulations described here serve as a framework to effectively study mesoscale eddy dynamics, to investigate the effect of mesoscale eddies on the large-scale dynamics, and to test and evaluate eddy parameterizations.
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Short summary
Under anthropogenic climate change, the hydrological cycle is expected to intensify. However, it is difficult to directly measure the amplification that has occurred over the past decades. Generally, ocean salinity patterns are used to infer this change in the hydrological cycle. Here, we present a new method to do this inference based on linear response theory. We find that over the period 1975–2019, the hydrological cycle has amplified by 5.04 % ± 1.27 % per degree Celsius of surface warming.
Under anthropogenic climate change, the hydrological cycle is expected to intensify. However, it...
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