Helmholtz-Zentrum Geesthacht, Wednesday, 08-Feb-2012 12:00:39 CET
http://www.hzg.de/institute/coastal_research/structure/system_analysis/KSS/staff/004566/index_0004566.html.en

Dr. Ulrich Callies

Present research topics

  • Model based long-term re-analyses of hydrodynamic conditions (North Sea)
  • Drift climatologies

PELETS-2D: Drift simulations / drift climatologies


  • Probabilistic representation of multivariate data (Bayesian networks)

Simulations of Chronic Oil Pollution in the German Bight


  • Use of drift simulations for the interpretation of monitoring data

Publications

2011:
2010:
  • Stockmann, K., Callies, U., Manly, B.F.J. and K.H. Wiltshire, 2010: Long-term model simulation of environmental conditions to identify externally forced signals in biological time series. In F. Müller, C. Baessler, H. Schubert and S. Klotz (eds), Long-Term Ecolocical Research, Springer, 155-162.
2009:
  • Chrastansky, A., Callies, U. and D.M. Fleet, 2009: Estimation of the impact of prevailing weather conditions on the occurrence of oil-contaminated dead birds on the German North Sea coast. Environmental Pollution 157, 194-198.
  • Chrastansky, A. and U. Callies, 2009: Model-based long-term reconstruction of weather-driven variations in chronic oil pollution along the German North sea coast. Marine Pollution Bulletin 58, 967-975.
  • Weisse, R., von Storch, H., Callies, U., Chrastansky, A., Feser, F., Grabemann, I., Günther, H., Plüß, A., Stoye, Th., Tellkamp, J., Winterfeldt, J. and K. Woth, 2009: Regional meteorological-marine reanalyses and climate change projections. Bulletin of the American Meteorological Society 90, 849-860.
  • Scharfe, M., Callies, U., Blöcker, G., Petersen, W. and F. Schroeder, 2009: A simple Lagrangian model to simulate temporal variability of algae in the Elbe River. Ecological Modelling 220, 2173-2186.
  • Chrastansky, A., van Bernem, C., Callies, U., Cysewski, M. and H. Krasemann, 2009: Detektion, Bekämpfung und Bewertung von Ölverschmutzungen. In K.-P. Traub. J. Kohlus und T. Lüllwitz (eds), Geoinformationen für die Küstenzone, Points Verlag Norden, Halmstad, 73-82.
2008:
  • Callies, U., Scharfe, M. and M. Ratto, 2008: Calibration and uncertainty analysis of a simple model of silica-limited diatom growth in the Elbe River. Ecological Modelling 213, 229-244.
  • van Bernem, C., Wesnigk, J.B., Wunderlich, M., Adam, S. and U. Callies, 2008: Oil pollution in marine ecosystems - policy, fate effects and response. In H. von Storch, R.S. Tol and G. Flöser (eds), Environmental Crisis - Science and Policy, Springer, 101-139.
2007:
  • Onken, R., Callies, U., Vaessen, B. and R. Riethmüller, 2007: Indirect determination of the heat budget of tidal flats. Continental Shelf Research 27, 1656-1676.
  • Kurowicka, D., Cooke, R.M. and U. Callies, 2007: Vines inference. Brazilien Journal of Probability and Statistics 21, 103-120.
2005:
  • Callies, U., 2005: Interaction structures analysed from water-quality data. Ecological Modelling 187, 475-490.
2002:
  • Petersen, W. and U. Callies, 2002: Assessment of primary production by statistical analysis of water-quality data. Acta hydrochim. hydrobiol. 30, 34-40.
2001:
  • Petersen, W., Bertino, L., Callies, U. and E. Zorita, 2001: Process identification by principal component analysis of river water-quality data. Ecological Modelling 138, 193-213.
2000:
  • Callies, U., 2000: Comparative forecast evaluation: Graphical Gaussian models and sufficiency relations. Monthly Weather Review 128, 1912-1924.
1999:
  • Rhodin, A., Kucharski, F., Callies, U., Eppel, D.P. and W. Wergen, 1999: Variational analysis of effective soil moisture from screen-level atmospheric parameters: Application to a short-range weather forecast model. Q.J.R. Meteorol. Soc. 125, 2427-2448.
1998:
  • Callies, U., Rhodin, A. and D.P. Eppel, 1998: A case study on variational soil moisture analysis from atmospheric observations. Journal of Hydrology 212-213, 95-108.
1995:
  • Callies, U. and D.P. Eppel, 1995: On the sensitivity of a least-squares fit of discretized linear hyperbolic equations to data. Tellus 47A, 80-102.
1989:
  • Callies, U., 1989: Entropy production by atmospheric scattering of light. Beitr. Phys. Atmosph. 62, 212-226.
1988:
  • Callies, U. and F. Herbert, 1988: On thermodynamic evolution criteria with radiation effects of the global climate system. Annales Geophysicae 6, 645-658.
  • Callies, U. and F. Herbert, 1988: Radiative processes and non-equilibrium thermodynamics. Journal of Applied Mathematics and Physics (ZAMP) 39, 242-266.

Events

Coastal analyses and scenarios

Coastal Observing System for Northern and Arctic Seas

Movies & Audio