A hydrodynamic model of Gerlache Strait (Antarctic) during summer of the southern hemisphere
DOI:
https://doi.org/10.26640/22159045.283Keywords:
Gerlache Strait, hydrodynamic model, icebergsAbstract
The First Colombian Scientific Expedition to the Antarctic was carried out during the summer of the South Hemisphere (January-February 2015) at the area of Gerlache Strait, located in the Antarctic Peninsula. The gathering of oceanographic and hydrographic information, during the cruise, made it possible to implement hydrodynamic model under no-ice conditions in order to study the hydrophysic processes in the area. Thanks to this, further application of ocean weather forecast and iceberg’s motion prediction can be performed. The stated hydrodynamic model, with emphasis on complex morphology description of fiords, islands and narrow passages is formulated. Tidal regime was analyzed due to its major importance on the strait dynamics in comparison to thermohaline and wind-driven currents during this season of the year.Downloads
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References
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[2] Zhou, M., P. Niilerb, Zhua, Y. & Dorlanda, R. The western boundary current in the Bransfield Strait, Antarctica. Deep Sea Research Part I: Oceanographic Research Papers Volume 53, Issue 7, July 2006, pp. 1244–1252.
[3] Amos, A. RACER: Meteorological conditions during the spring bloom in the Gerlache Strait. Antarctic Journal of the United States. 1990. Pp. 128-131.
[4] García, M., Castro, C., Ríos, A., Doval, M., Rosón, Gomis, D. Water masses and distribution of physico-chemical properties in the Western Bransfield Strait and Gerlache Strait during Austral summer 1995/96. Deep Sea Research Part II: Topical Studies in Oceanography 2002, 49: 585-609 pp.
[5] Smith, D. & Klinck, J. Water properties on the west Antarctic Peninsula continental shelf: a model study of effects of surface fluxes and sea ice. Deep-Sea Research II 49 (2002) pp. 4863–4886.
[6] Wouters, B., Martin-Español, A., Helm, V., Flament, T., van Wessem, J., Ligtenberg, S., van den Broeke, M. & Bamber, J. Dynamic thinning of glaciers on the Southern Antarctic Peninsula. Science 22 May 2015: Vol. 348 No. 6237 pp. 899-903.
[7] Dragani W.C., M.R. Drabble, E.E. D’Onofrio & C.A. Mazio. Propagation and amplification of tide at the Bransfield and Gerlache Straits, northwestern Antarctic Peninsula. Polar Geosci., 2004,17: 156-170.
[8] IOC, IHO, BODC. 2003. Centenary Edition of the GEBCO Digital Atlas. Published on CD-ROM on behalf of the Intergovernmental Oceanographic Commission and the International Hydrographic Organization as part of the General Bathymetric Chart of the Oceans. British Oceanographic Data Centre, Liverpool. Disponible en: http://www.gebco.net/
[9] Mellor, G. and Yamada T. A hierarchy of turbulence closure models for planetary boundary layers. J. Atmos. Sci., 1974, 31: 1791-1806.
[10] Romero, C. Modelo dinámico estocástico para las operaciones de búsqueda y rescate en el mar. Tesis de Maestría en Oceanografía, ENAP, 2015. 71 pp.
[11] Blumberg, A.F. A numeric investigation into the dynamics of estuarine circulation. Johns Hopkins University, Chesapeake Bay Institute Tech. Report 91, 1975. 110 pp.
[12] Blumberg, A.F. The influence of density variations on estuarine tides and circulations. Estuarine and Coastal Marine Science, 1978, 6: 209-215.
[13] Wang, D.-P., and D.W. Kravitz. A semi-implicit two-dimensional model of estuarine circulation. J. Phys. Oceanogr., 1980, 3: 441-454.
[14] Hess, K.W. MECCA Programs Documentation. NESDIS, NOAA. 1989.
[15] Mamaev, O.I. A simplified relationship between density, temperature and salinity of sea water. Akad. Nauk., Geophys. Sers., 1964, 2: 180-181.
[16] Wu, J. Wind-stress coefficients over sea surface near neutral conditions – a revisit. J. Phys. Oceanog., 1975, 10: 727-740.
[17] Zhukov, L.A. Oceanología básica. Leningrado, Gidrometeoizdat, 1976. 376 P. (en ruso)
[18] Pond, S. & Pickard, G. Introductory Dynamical Oceanography. 2-nd edition. Elsevier, 1983. 329 pp.
[19] Lonin, S.A. Cálculo de la transparencia del agua en la bahía de Cartagena. Boletín Científico CIOH 1997, 18: 85-92
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2015-12-07
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How to Cite
A hydrodynamic model of Gerlache Strait (Antarctic) during summer of the southern hemisphere. (2015). CIOH Scientific Bulletin, 33, 145-167. https://doi.org/10.26640/22159045.283
