A circum-antarctic ocean-ice shelf model
and how to evaluate it?
![](https://s3.amazonaws.com/media-p.slid.es/uploads/555530/images/4256082/tidestart_01.png)
The need for ocean-ice shelf models
![](https://s3.amazonaws.com/media-p.slid.es/uploads/555530/images/4256087/plio_sheet.jpg)
![](http://s3.amazonaws.com/digitaltrends-uploads-prod/2016/12/History-of-Tesla-Motors.jpg)
Top features
Tidal wave at initialization
![](https://s3.amazonaws.com/media-p.slid.es/uploads/555530/images/4256082/tidestart_01.png)
SSH
![](https://s3.amazonaws.com/media-p.slid.es/uploads/555530/images/4248877/tidestart.gif)
Tidal wave at initialization
SSH
![](https://timesofindia.indiatimes.com/img/57058298/Master.jpg)
Development
![](https://s3.amazonaws.com/media-p.slid.es/uploads/555530/images/4248922/extended.png)
Validation
Evaluation?
... get it about right!
Southern ocean circulation
Southern ocean circulation
ACC strength via mean Drake Passage Transport
- Whitworth, T., 1983: Monitoring the Transport of the Antarctic Circumpolar Current at Drake Passage. J. Phys. Oceanogr., 13
- Whitworth, T. and R.G. Peterson, 1985: Volume Transport of the Antarctic Circumpolar Current from Bottom Pressure Measurements. J. Phys. Oceanogr., 15
- Firing, Y. L., T. K. Chereskin, and M. R. Mazloff, 2011: Vertical structure and transport of the Antarctic Circumpolar Current in Drake Passage from direct velocity observations, J. Geophys. Res., 116
![](https://climatedataguide.ucar.edu/sites/default/files/styles/node_lightbox_display/public/key_figures/climate_data_set/SOSE-F1.png?itok=3LSWlRbA)
Southern ocean circulation
Gyres via annual mean horizontal stream function [Sv]
Water masses
Domain volume via annual mean T/S diagram
Distribution in sectors via temp/salt/density plots
![](https://s3.amazonaws.com/media-p.slid.es/uploads/555530/images/4248989/imageedit_2_9089372843.png)
SST
![](https://s3.amazonaws.com/media-p.slid.es/uploads/555530/images/4256335/tsdiagramm.png)
AABW formation
?
- Aguiar, W., et al., 2017: On the deep convection events and Antarctic Bottom Water formation in ocean reanalysis products, Ocean Sci. Discuss. in review
AABW formation
(model dynamics)
![](https://s3.amazonaws.com/media-p.slid.es/uploads/555530/images/4256453/wsbw.png)
Bottom Water occupying % of each sector
- Aguiar, W., et al., 2017: On the deep convection events and Antarctic Bottom Water formation in ocean reanalysis products, Ocean Sci. Discuss. in review
Tides
![](https://mail.esr.org/atg/ca_nolabels_100dpi.png)
Tidal currents via SSH
Eddies
?
Momentum and heat transport across the ACC
Thank you!
![](http://prospect.org/sites/default/files/styles/thumbnail/public/worker_0.jpg?itok=aiboh3Rg)
Southern ocean circulation
Gyres via annual mean horizontal stream function [Sv]
Weddell Gyre:
- Schroeder, M and E Fahrbach 1999: On the structure and the transport of the eastern Weddell Gyre: Deep-Sea Research
- Klatt, O. , Fahrbach, E. , Hoppema, M. and Rohardt, G. (2005): The transport of the Weddell Gyre across the Prime Meridian , Deep-sea research ii
- Beckmann, A., H. H. Hellmer, and R. Timmermann (1999): A numerical model of the Weddell Sea: Large-scale circulation and water mass distribution, J. Geophys. Res., 104
... modeling
Southern ocean circulation
Gyres via annual mean horizontal stream function [Sv]
Ross Gyre:
- Assmann, Karen & Timmermann, Ralph. (2005): Variability of dense water formation in the Ross Sea. Ocean Dynamics. 55
... modeling
Kerguelen Gyre:
- Beckmann, A. and R. Timmermann, 2001: Circumpolar Influences on the Weddell Sea: Indication of an Antarctic Circumpolar Coastal Wave. J. Climate, 14
... modeling
deck
By konsole
deck
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