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The sensitivity of the Eocene–Oligocene Southern Ocean to the strength and position of wind stress

Created 13/03/2025

Updated 13/03/2025

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This set of data are derived from 12 high-resolution ocean model simulations with a realistic paleo-bathymetry. They can be used to investigate the sensitivity of the E–O Southern Ocean to TG deepening and changing wind stress. They also can be used to analyses the zonal momentum budget of the Southern Ocean to interpret the simulated dynamics. The model domain is circumpolar and covers the latitude range between 84°S and 25°S. The model has 1/4 degree horizontal grid spacing and 50 unevenly spaced vertical levels (5000 m). The restoring time scale to 10 days. This dataset includes the final 15-years averaged model simulation outputs. 12 Simulations: katharina38_MediumTG_MediumDP_final: the experiment with 1500m TG and 1000m DP, maximum wind stress at 53°S, 0.1 N/m2. katharina38_MediumTG_MediumDP_5n: the experiment with 1500m TG and 1000m DP, maximum wind stress at 48°S, 0.1 N/m2. katharina38_MediumTG_MediumDP_5s: the experiment with 1500m TG and 1000m DP, maximum wind stress at 58°S, 0.1 N/m2. katharina38_MediumTG_MediumDP_10s: the experiment with 1500m TG and 1000m DP, maximum wind stress at 63°S, 0.1 N/m2. katharina38_MediumTG_MediumDP_final_double_wind: the experiment with 1500m TG and 1000m DP, maximum wind stress at 53°S, 0.2 N/m2. katharina38_MediumTG_MediumDP_10s_double_wind the experiment with 1500m TG and 1000m DP, maximum wind stress at 63°S, 0.2 N/m2. katharina38_300mTG_DeepDP_final: the experiment with 300m TG and 1000m DP, maximum wind stress at 53°S, 0.1 N/m2. katharina38_300mTG_DeepDP_5n: the experiment with 300m TG and 1000m DP, maximum wind stress at 48°S, 0.1 N/m2. katharina38_300mTG_DeepDP_5s: the experiment with 300m TG and 1000m DP, maximum wind stress at 58°S, 0.1 N/m2. katharina38_300mTG_DeepDP_10s: the experiment with 300m TG and 1000m DP, maximum wind stress at 63°S, 0.1 N/m2. katharina38_300mTG_DeepDP_final_double_wind: the experiment with 300m TG and 1000m DP, maximum wind stress at 53°S, 0.2 N/m2. katharina38_300mTG_DeepDP_10s_double_wind the experiment with 300m TG and 1000m DP, maximum wind stress at 63°S, 0.2 N/m2. Different files: in the dataset (acronyms, units, explanations): THETA [℃] is potential temperature. UVEL [m/s] is zonal velocity. UVELSQ [m^2/s^2] is square of zonal velocity. VVEL [m/s] is meridional velocity. VVELSQ [m^2/s^2] is square of meridional velocity. VVELTH [℃ m/s] is meridional transport of potential temperature, which can be used to calculate meridional heat transport. Momentum budget term: momKE [m^2/s^2] is Kinetic Energy in momentum Equation PHIBOT [m^2/s^2] is Bottom Pressure Pot.(p/rho) Anomaly, which can be used to calculate topographic form stress. PHIHYD [m^2/s^2] is Hydrostatic Pressure Pot.(p/rho) Anomaly, which can be used to calculate topographic form stress. TOTUTEND [m/s/day]is Tendency of Zonal Component of Velocity USidDrag [m^2/s^2] is U momentum tendency from Side Drag UBotDrag [m^2/s^2] is U momentum tendency from Bottom Drag Um_Diss [m^2/s^2] is U momentum tendency from Dissipation (Explicit part) Um_Advec [m^2/s^2] is U momentum tendency from Advection terms Um_AdvRe [m^2/s^2] is U momentum tendency from vertical Advection (Explicit part) Um_AdvZ3 [m^2/s^2] is U momentum tendency from Vorticity Advection Um_Cori [m^2/s^2] is U momentum tendency from Coriolis term Um_dPhdx [m^2/s^2] is U momentum tendency from Pressure/Potential gradient Um_Ext [m^2/s^2] is U momentum tendency from external forcing (wind forcing)

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Title The sensitivity of the Eocene–Oligocene Southern Ocean to the strength and position of wind stress
Language eng
Licence notspecified
Landing Page https://devweb.dga.links.com.au/data/dataset/e0ef8815-d790-4353-8a4d-dce6aa88f94b
Contact Point
CSIRO Oceans & Atmosphere
metadata@aad.gov.au
Reference Period 01/07/2019 - 30/06/2023
Geospatial Coverage {"type": "Polygon", "coordinates": [[[-180.0, -84.0], [180.0, -84.0], [180.0, -24.0], [-180.0, -24.0], [-180.0, -84.0]]]}
Data Portal data.gov.au

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This dataset was originally found on data.gov.au "The sensitivity of the Eocene–Oligocene Southern Ocean to the strength and position of wind stress". Please visit the source to access the original metadata of the dataset:
https://devweb.dga.links.com.au/data/dataset/the-sensitivity-of-the-eoceneoligocene-southern-ocean-to-the-strength-and-position-of-wind-stre

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