Abstract
Profiles of wind and temperature have been observedabove the Greenland ice sheet, 90 km from its westernmargin, in July 1991. The terrain slopes downward tothe west. Measurements were performed with instrumentson a 30 m mast, combined with a Doppler SODAR and aRASS. Whereas the surface is usually at the meltingpoint, the temperatures in the free atmosphere areabove freezing. The depth of the boundary layer, in whichthe wind turns to the free atmosphere direction, is notmuch more than 100 m. The surface wind is always aboutfrom the southeast (hence with a downslope component),whereas winds from the southwest (with an upslopecomponent) often occur at the 100 m level.
Mixing length profiles for momentum were estimatedby comparison of calculated and observed windprofiles. A good accordance between calculated andobserved wind speed was obtained. The neutralmixing length had a maximum of only a few metres, whichwas approached already at low height. The limiting valueis proportional to the 0.7-th power of the Froudenumber times a length scale obtained from thetemperature profile.
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References
Arya, S. P. S.: 1988, Introduction to Micrometeorology, Academic Press, New York, 303 pp.
Gallée, H., deGhélin, O. F., and Van den Broeke, M. R.: 1995, “Simulation of Atmospheric Circulation During the GIMEX-91 Experiment Using a Meso-γ Primitive Equations Model”, J. Climate 8, 2843–2859.
Johnson, L. W. and Riess, R. D.: 1982, Numerical Analysis, Addison-Wesley Publishing Company, Reading, Massachusetts, 563 pp.
King, J. C. and Anderson, P. S.: 1994, “Heat and Water Vapour Fluxes and Scalar Roughness Lengths Over an Antarctic Ice Shelf”, Boundary-Layer Meteorol. 69, 101–121.
Louis, J. F.: 1979, “A Parametric Model of the Vertical Eddy Fluxes in the Atmosphere”, Boundary-Layer Meteorol. 17, 187–202.
McNider, R. T. and Pielke, R. A.: 1981, “Diurnal Boundary-Layer Development over Sloping Terrain”, J. Atmos. Sci. 38, 2198–2212.
Mahrt, L.: 1982, “Momentum Balance of Gravity Flows”, J. Atmos. Sci. 39, 2701–2711.
Matuura, N., Masuda, Y., Inuki, H., Kato, S., Fukao, S., Sato, T., and Tsuda, T.: 1986, “Radio Acoustic Measurement of Temperature Profile in the Troposphere and Stratosphere”, Nature 323, 426–428.
Meesters, A. G. C. A.: 1994, “Dependence of the Energy Balance of the Greenland Ice Sheet on Climate Change: Influence of Katabatic Wind and Tundra”, Quart. J. Roy. Meteorol. Soc. 120, 491–517.
Meesters, A. G. C. A., Henneken, E. A. C., Bink, N. J., Vugts, H. F., and Cannemeijer, F.: 1994, “Simulation of the Atmospheric Circulation Near the Greenland Ice Sheet Margin”, Global Planet. Change 9, 53–67.
Meesters, A. G. C. A., Bink, N. J., Henneken, E. A. C., Vugts, H. F., and Cannemeijer, F.: 1997a: “Observations of Katabatic Wind Profiles Over the Greenland Ice Sheet”, Internal Report, Institute of Earth Sciences, Vrije Universiteit Amsterdam.
Meesters, A.G. C. A., Bink, N. J., Vugts, H. F., Cannemeijer, F., and Henneken, E. A. C.: 1997b, “Turbulence Observations Above a Smooth Melting Surface on the Greenland Ice Sheet”, Boundary-Layer Meteorol. 85, 81–110.
Neff, W. D., and Coulter, R. L.: 1986, “Acoustic Remote Sensing”, in D. H. Lenschow (ed.), Probing the Atmospheric Boundary Layer, American Meteorological Society, Boston, Massachusetts, pp. 201–239.
Nieuwstadt, F. T. M.: 1981, The Nocturnal Boundary Layer: Theory and Experiments, Ph.D. Thesis, Royal Netherlands Meteorological Institute, De Bilt, 100 pp.
Oerlemans, J. and Vugts, H. F.: 1993, “A Meteorological Experiment in the Melting Zone of the Greenland Ice Sheet”, Bull. Amer. Meteorol. Soc. 74, 355–365.
Ohmura, A., Konzelmann, T., Rotach, M., Forrer, J., Wild, M., Abe-Ouchi, A., and Toritani, H.: 1994, “Energy Balance for the Greenland Ice Sheet by Observation and Model Computation”, International Association of Hydrological Sciences Publ. 223, 85–94.
Oke, T. R.: 1970, “The Temperature Profile Near the Ground on Calm Clear Nights”, Quart. J. Roy. Meteorol. Soc. 96, 14–23.
Tiedtke, M., Geleyn, J. F., Hollingsworth, A., and Louis, J. F.: 1979, ECMWF-Model: Parameterization of Sub-Grid Scale Processes, ECMWF Technical Report No. 10, 46 pp.
Van den Berg, W. D.: 1987, Coastal Frontogenesis in the Netherlands: Observations and Modeling, PhD Thesis, Utrecht University, 239 pp.
Van den Broeke, M. R., Duynkerke, P. G., and Henneken, E. A. C.: 1994, “Heat, Momentum and Moisture Budgets of the Katabatic Layer Over the Melting Zone of the West Greenland Ice Sheet in Summer”, Boundary-Layer Meteorol. 71, 393–413.
Van den Broeke, M. R.: 1997, “A Bulk Model of the Atmospheric Boundary Layer for Inclusion in Mass Balance Models of the Greenland Ice Sheet”, Z. Gletscherkd. Glazialgeol. 33, 73–94.
Van den Broeke, M. R., and Gallée, H.: 1996, “Observation and Simulation of Barrier Winds at the Western Margin of the Greenland Ice Sheet”, Quart. J. Roy. Meteorol. Soc. 122, 1365–1383.
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Meesters, A., Bink, N., Henneken, E. et al. Katabatic wind profiles over the Greenland ice sheet: observation and modelling. Boundary-Layer Meteorology 85, 475–496 (1997). https://doi.org/10.1023/A:1000514214823
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DOI: https://doi.org/10.1023/A:1000514214823