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Phone: 979) 862-4170
Fax: 979) 847-8879
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O&M Building, Room 610

Course Offerings:

  • OCNG 410 - Introduction to Physical Oceanography
  • OCNG 608 - Physical Oceanography
  • OCNG 615 - Numerical Modeling of Ocean Circulation
  • OCNG 614 - Dynamics of the Ocean and Atmosphere

Current and Former Students:

  • Woo-Geun Cheon, Ph.D., 2008
  • Zhaoru Zhang, Ph.D. candidate
  • Who-Myung Kim, Ph.D. candidate
  • Joong-Tae Kim, Ph.D., 2007
  • Seong-Joong Kim, Ph.D., 1998
  • Christina Stover, M.S., 2006 (co-chair)
  • Kun Yang, Ph.D. candidate (2 years)
  • Nadja Lonnroth, Ph.D. candidate (1 year)

Dr. Achim Stössel

Associate Professor and Graduate Academic Advisor Physical Section

Ph.D. Physical Oceanography, University of Hamburg, Germany, 1990, Dissertation at Max-Planck-Institute for Meteorology, Hamburg.

M.S. Physical Oceanography, University of Hamburg, 1985, Thesis at German Hydrographic Institute, Hamburg.

B.S. Physical Oceanography, University of Kiel, Germany, 1977.

Unlimited Master and Chief Mate certificate for Merchant Marine, Hamburg, 1986.

M. Eng. Nautical Engineering, Maritime College, Hamburg, 1982.

Bio

Research Interests

  • Sea-ice - ocean modeling
  • Atmosphere - sea-ice - ocean interactions
  • Polar boundary-layer processes
  • Impact of polar processes on global ocean properties and circulation
  • Variability of deep western boundary currents

Projects

  • Impact of Antarctic sea-ice and convection on deep-ocean properties and circulation
  • Antarctic sea-ice and convection induced variability of deep-western boundary currents
  • Assimilation of satellite passive microwave (SMMR/SSMI) sea-ice concentration data into global sea-ice - ocean general circulation model (OGCM)
  • Enhancement of resolution of sea-ice component in global OGCM toward SMMR/SSMI pixel resolution
  • Modify atmospheric forcing over heterogeneous sea ice employing subgrid-scale boundary layers
  • Investigate effects and realism of sporadic oceanic convective plumes under Southern Ocean sea ice

Experience

  • Associate Professor, Dept. of Oceanography, Texas A&M University, since 2000
  • Assistant Professor, Dept. of Oceanography, Texas A&M University, 1994-2000
  • Research Scientist, Max-Planck-Institute for Meteorology, 1990-1994
  • Graduate Research Assistant, Max-Planck-Institute for Meteorology, 1986-1990
  • Nautical Officer, German Merchant Marine, 1982-1986 (2 years total)
  • Deckhand/Cadet, German and Finnish Merchant Marine, 1975-1981 (2 years total)
  • Visiting Scientist, Max-Planck-Institute for Meteorology, 1998, 2000, 2004, 2007 (3 months total)
  • Visiting Scientist, Dept. of Geophysics, University of Helsinki, 2000-2002 (3 months total)
  • Visiting Scientist, Royal Netherlands Meteorological Institute, De Bilt, 1999 (2 months)
  • Visiting Scientist, German Climate Computer Center, Hamburg, 1996, 1997 (4 months total)
  • Visiting Scientist, Finnish Institute of Marine Research, Helsinki, 1986, 2003, 2004, 2006, 2008 (4 months total)

Publications

  • Stössel, A., Cheon, W.G., and Vihma, T. 2008. Interactive momentum-flux forcing over sea ice in a global ocean GCM (J.Geophys.Res.. 113, C05010, doi:10.1029/2007JC004173.
  • Stössel, A. 2008. Employing satellite-derived sea-ice concentration to constrain upper-ocean temperature in a global ocean GCM (J.Climate, 21(17), 4498-4513.
  • Stössel, A., Stössel, M.M. and Kim, J.-T. 2007. High-resolution sea ice in long-term global ocean GCM integrations. Ocean Modelling 16, 206-223.
  • Stössel, A. and Kim, J.-T. 2006. Enhancing the resolution of sea ice in a global ocean GCM. Ocean Modelling 11(1-2), 28-48.
  • Powell, D.C., Markus, T., and Stössel, A. 2005. Effects of snow depth forcing on Southern Ocean sea ice simulations. J.Geophys.Res.110, C06001, doi:10.1029/2003JC002212.
  • Haapala, J., Lönnroth, N., and Stössel, A. 2005. A numerical study of open water formation in sea ice. J.Geophys.Res.110, C09011, doi:10.1029/2003JC002200.
  • Stössel, A. and Markus, T. 2004. Using satellite-derived ice concentration to represent Antarctic coastal polynyas in ocean climate models. J.Geophys.Res.109, C02014, doi:10.1029/2003JC001779.
  • Stössel, A., Yang, K., and Kim, S.-J. 2002. On the role of sea ice and convection in a global ocean model. J.Phys.Oceanogr.32, 1194-1208.
  • Stössel, A. and Kim, S.-J. 2001. Decadal deep-water variability in the subtropical Atlantic and convection in the Weddell Sea. J.Geophys.Res.106(C10), 22,425-22,440.
  • Kim, S.-J. and Stössel, A. 2001. Impact of subgrid-scale convection on global thermohaline properties and circulation. J.Phys.Oceanogr.31(3), 656-674.
  • Stössel, A., Kim, S.-J., and Drijfhout, S.S. 1998. The impact of Southern Ocean sea ice in a global ocean model. J.Phys.Oceanogr.28(10), 1999-2018.
  • Stössel, A. and Kim, S.-J. 1998. An interannual Antarctic sea-ice - ocean mode. Geophys.Res.Let.25(7), 1007-1010.
  • Kim, S.-J., Crowley, T.J., and Stössel, A. 1998. Local orbital forcing of Antarctic climate change during the last interglacial. Science 280, 728-730.
  • Kim, S.-J. and Stössel, A. 1998. On the representation of the Southern Ocean water masses in an ocean climate model. J.Geophys.Res.103, 24,891-24,906.
  • Stössel, A., 1997. On the Impact of Sea Ice in a Global Ocean Circulation Model. Annals of Glaciology 25, 111-115.
  • Legutke, S., Maier-Reimer, E., Stössel, A. and Hellbach, A. 1997. Ocean - sea ice coupling in a global general ocean circulation model. Ann. of Glaciol. 25, 116-120.
  • Stössel, A., 1996: On the ocean's upper boundary conditions in regions influenced by sea ice. Physica D. 98, 614-624.
  • Stössel, A., J.M. Oberhuber and E. Maier-Reimer, 1996: On the representation of sea ice in global ocean general circulation models. Journal of Geophysical Research. 101(C8), 18,193-18,212.
  • Cubasch, U., Santer, B.D., Hellbach, A., Hegerl, G., Hoeck, H., Maier-Reimer, E., Mikolajewicz, U., Stössel, A., Voss, R. 1994. Monte Carlo climate change forecasts with a global coupled ocean - atmosphere model. Climate Dynamics, 10, 1-19.
  • Stössel, A. and Claussen, M. 1993. On the momentum forcing of a large-scale sea-ice model. Climate Dynamics, 9, 71-80.
  • Stössel, A. 1992. Sensitivity of Southern Ocean sea-ice simulations to different atmospheric forcing algorithms. Tellus, 44A, 395-413.
  • Stössel, A. 1991. Application of an atmospheric boundary-layer model to a large-scale coupled sea-ice - oceanic mixed-layer model for the Southern Ocean. Ann.Glaciol.15, 191-195.
  • Stössel, A., Lemke, P., and Owens, W.B. 1990. Coupled sea ice - mixed layer simulations for the Southern Ocean. J.Geophys.Res., 95, 9539-9555.
  • Stössel, A. 1985. Thermodynamic calculations of ice production in the northern Baltic proper. Dtsch. Hydrogr.Z., 38, 261-284.