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  • 1
    Call number: ZSP-329-20
    In: Glaciological data
    Type of Medium: Series available for loan
    Pages: VII, 76 S. : graph. Darst., Kt.
    Series Statement: Glaciological data : GD 20
    Branch Library: AWI Library
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  • 2
    Call number: ZSP-125
    Location: AWI Reading room
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  • 3
    Call number: AWI A4-95-0010
    In: Antarctic research series, Vol. 61
    Type of Medium: Monograph available for loan
    Pages: XIV, 207 S. : Ill., graph. Darst. + 1 Disk.
    ISBN: 087590839X
    Series Statement: Antarctic research series 61
    Language: English
    Note: CONTENTS: The Antarctic Research Series: Statement of Objectives / Board of Associate Editors. - Preface / David H. Bromwich and Charles R. Stearns. - Monthly Mean Climatic Data for Antarctic Automatic Weather Stations / Charles R. Stearns, Linda M. Keller, George A. Weidner, and Manuela Sievers. - Katabatic Winds in Adélie Coast / Gerd Wendler, Jean Claude Andre, Paul Pettre, loan Gosink, and Thomas Parish. - Spatial and Temporal Characteristics of the Intense Katabatic Winds at Terra Nova Bay, Antarctica / David H. Bromwich, Thomas R. Parish, Andrea Pellegrini, Charles R. Stearns, and George A. Weidner. - Katabatic Winds Along the Transantarctic Mountains / Christopher J. Breckenridge, Uwe Radok, Charles R. Stearns, and David H. Bromwich. - Satellite and Automatic Weather Station Analyses of Katabatic Surges Across the Ross Ice Shelf / Jorge F. Carrasco and David H. Bromwich. - Sensible and Latent Heat Flux Estimates in Antarctica / Charles R. Stearns and George A. Weidner. - The Kernlose Winter in Adélie Coast / Gerd Wendler and Yuji Kodama. - Antarctic Climate Anomalies Surrounding the Minimum in the Southern Oscillation Index / Shawn R. Smith and Charles R. Stearns. - Variation in Aerosol Concentration Associated With a Polar Climatic Iteration / A. Hogan, D. Riley, B. B. Murphey, S. C. Barnard, and J. A. Samson. - Continuous Nanoclimate Data (1985-1988) From the Ross Desert (McMurdo Dry Valleys) Cryptoendolithic Microbial Ecosystem / Christopher P. McKay, lames A. Nienow, Michael A. Meyer, and E. lmre Friedmann.
    Location: AWI Reading room
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Boundary layer meteorology 1 (1970), S. 102-111 
    ISSN: 1573-1472
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract Vertical flux densities of momentum and sensible heat, obtained from simultaneous wind speed and air temperature profiles in the surface layer, depend on the displacement height of the profile system and the surface roughness. A criterion for selecting the displacement height and the surface roughness is introduced, which requires a minimum value for the error squares between the observed and a calculated wind speed profile as determined by diabatic surface layer theory. Values of displacement height and surface roughness, which provide a minimum error squares fit within a desired tolerance, are selected by the rule of false position. The method is programmed for digital computer solution and applied to a total number of 628 profiles obtained during a 7-day period at a micrometeorological test site near Davis, California, using five measurement levels to 160 cm height.
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Boundary layer meteorology 1 (1970), S. 146-154 
    ISSN: 1573-1472
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract Theoretical profiles of wind speed and air temperature can provide ‘synthetic measurements’ at discrete levels which may be compared with actual field measurements. In addition to wind and temperature gradients at any height, profile theory permits us to determine the difference quotients from measurements at discrete levels. It is shown that corrections are required to obtain the gradients at the geometric mean height of the two discrete levels of measurement. The correction factor depends on the measurement height and spacing, profile structure, surface roughness and the measured Richardson number. The correction can be reduced by close spacing of the measurement levels.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Boundary layer meteorology 1 (1970), S. 227-239 
    ISSN: 1573-1472
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract The vertical temperature profile in the lower atmosphere was determined at heights from 60 cm to 180 cm from estimates of optical refraction obtained from photographs of illuminated targets over the ice of Lake Mendota, Madison, Wisconsin, during the winter of 1968. The targets consist of several equally spaced fluorescent lamps with the long axis along a line slanted 45 ° to the ice. Two targets were placed 750 m and 1500 m from the camera. A simplified model relating lapse rate to the radius of curvature of a light ray is used for computation. Results show that the technique is more reliable for estimates of profile shape than for estimates of lapse rate values.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Boundary layer meteorology 1 (1971), S. 389-398 
    ISSN: 1573-1472
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract Synthetic wind speed and air temperature profiles based on the sensible heat flux density and stress at the surface are averaged for the four possible ways in which the suface stress and heat flux density can vary maintaining the same average values. The analysis of the averaged wind and temperature profiles shows that, when the surface stress and/or heat flux density are time-variable, and wind speed and air temperature are averaged linearly, an erroneous estimate of surface roughness, surface stress, heat flux density and profile structure parameters will result.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Boundary layer meteorology 11 (1977), S. 485-506 
    ISSN: 1573-1472
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract Turbulence measurements were made at Aberdeen Proving Ground, Maryland, for five separate 24-h periods in August, 1971 to obtain data in support of laser beam propagation through the near-earth atmosphere. Twelve MRI bivanes were used to measure the three components of the wind in both line and space arrays, with bivanes at heights of 1 and 3 m above the surface. The site description, instrument layout and calibration, surface roughness and surface modifications are presented. Selected horizontal wind observations from the micrometeorological observations at Aberdeen Proving Ground, are analyzed in terms of coherence statistics. When plotted against the dimensionless frequency, Δf, coherence estimates follow a curve of the form exp (−aΔf) moderately well, but with considerable random scatter. The decay parameter “a” appears to be independent of height from 1 to 3 m, and varies only slightly with Richardson number in the range from −0.07 to +0.05. Its dependence on α, the angle between the mean wind direction and sensor line, is much more pronounced, however, with values of “a” in the crosswind direction (α = 90°) averaging about 3 times larger than those in the downwind direction (α = 0°). This is found for both the longitudinal (u) and lateral (ν) wind components, although lateral decay parameters were only about 60% as large as longitudinal ones. There is some evidence to suggest that decay parameters depend on the ratioΛ 1/Λ 2 whereΛ 1 is the longitudinal length scale, andΛ 2 is the lateral length scale, and also with surface roughness,z 0, in both the downwind and crosswind directions.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Boundary layer meteorology 14 (1978), S. 167-182 
    ISSN: 1573-1472
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract Using data collected during 1975–1976 from a meteorological network operating in the vicinity of the Columbia Generating Site approximately 8 km south of Portage, Wis., the influence of the Baraboo Hills on the surface wind field is determined. Half-hour means of wind speed and direction measured at 9 m at three sites were used to compute divergence and vorticity using Bellamy's method. The data were grouped into 18 sectors each 20 deg wide and averages computed for each quantity. Results indicate that for wind directions perpendicular to the eastern edge of the Baraboo Hills, the surface (9m) wind field is significantly perturbed up to 4 km from the bluffs. The largest convergence of 2.1 × 10−4 s−1 occurs with 160 deg wind direction and the largest divergence of 1.2 × 10−4 s−1 with 290 deg wind direction. The maximum anticyclonic vorticity was 1.6 × 10−4 s−1 at 210 deg and the maximum cyclonic vorticity was 1.6 × 10−4 s−1 at 330 deg.
    Type of Medium: Electronic Resource
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  • 10
    Publication Date: 1970-11-01
    Print ISSN: 0006-8314
    Electronic ISSN: 1573-1472
    Topics: Geosciences , Physics
    Published by Springer
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