Search Results - "Hans-Jürgen Schönfeldt"
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The response of saltation to wind speed fluctuations
Published in Earth surface processes and landforms (01-08-2012)“…ABSTRACT The response time of saltation to spatial or temporal wind speed fluctuations constitutes an important control parameter for aeolian sediment…”
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High resolution sensors in space and time for determination saltation and creep intensity
Published in Earth surface processes and landforms (01-08-2012)“…ABSTRACT The measurement of aeolian sand transport rates at high temporal and spatial resolution is crucial for further progress in testing and developing…”
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Turbulence-driven saltation in the atmospheric surface layer
Published in Meteorologische Zeitschrift (Berlin, Germany : 1992) (27-10-2003)“…The relations between the turbulent structures that contribute to the Reynolds shear stress and the transport of saltating grains and between the wind speed…”
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Establishing the threshold for intermittent aeolian sediment transport
Published in Meteorologische Zeitschrift (Berlin, Germany : 1992) (20-10-2004)“…A key variable to be determined in a wind-erosion scheme is the threshold wind speed - the wind speed at which soil movement is initiated. Under typical field…”
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On the aeolian saltation bed shear stress and saltation roughness length
Published in Meteorologische Zeitschrift (Berlin, Germany : 1992) (10-07-2006)“…The aerodynamic surface roughness length, z0, is an input parameter in models to calculate the bed shear stress from the geostrophic wind. The bed shear stress…”
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Remarks on the definition and estimation of the aeolian erosion threshold friction velocity
Published in Meteorologische Zeitschrift (Berlin, Germany : 1992) (27-06-2003)“…Theoretical equations and numerical models of wind erosion processes include threshold (the lowest friction velocity at which soil movement is initiated) as a…”
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Rossby waveguides in high-latitude shear flows with boundaries
Published in Journal of Geophysical Research (15-07-2000)“…This study investigates the dynamics of trapped Rossby waves at high latitudes in zonal ocean currents with linear and jet‐like shears. As integration domain,…”
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On the modification of edge waves by longshore currents
Published in Continental shelf research (1995)“…On natural, barred beaches edge waves with frequencies within the range of the wind-wave frequencies are found to be trapped on the bar. For edge waves…”
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Randwellen in der Ostsee und anomale Dispersion in der Brandungszone
Published in Deutsche Hydrographische Zeitschrift (01-03-1994)Get full text
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