Search Results - "Fryrear, D W"

Sedimentary characteristics of a haboob dust storm by Chen, W, Fryrear, D.W

“…As a haboob dust storm passed through Big Spring, TX, 33 airborne dust samples were collected in a 1567-cm surface layer. Samples were dried, weighed, and then…”
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Relation of vertical flux of particles smaller than 10 μm to total aeolian horizontal mass flux at Owens Lake by Gillette, Dale A., Fryrear, D. W., Gill, Thomas E., Ley, Trevor, Cahill, Thomas A., Gearhart, Elizabeth A.

“…The vertical flux of particles smaller than 10 μm for a saline playa surface, the particle size composition of which was classified as loam‐textured, was…”
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Soil losses by wind erosion by Fryrear, D.W. (USDA, ARS, Conservation System Research Laboratory, Big Spring, TX.)

“…Measurements of wind erosion from fields are limited, but with recently developed erosion samplers, it is possible to determine soil losses from natural winds…”
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Wind erosion: field length by Fryrear, D.W. (USDA, ARS, Wind Erosion Management Unit, Big Spring, TX.), Saleh, A

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Aerodynamic roughness prediction from soil surface roughness measurement by SALEH, A, FRYREAR, D. W, BILBRO, J. D

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Mean flow and shear stress distributions as influenced by vegetative windbreak structure by Schwartz, R.C., Fryrear, D.W., Harris, B.L., Bilbro, J.D., Juo, A.S.R.

“…A major deterrent toward arriving at satisfactory estimates of shelter effect of vegetative windbreaks is the difficulty in quantifying permeability to air…”
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Large-scale variability of wind erosion mass flux rates at Owens Lake: 1. Vertical profiles of horizontal mass fluxes of wind-eroded particles with diameter greater than 50 μm by Gillette, Dale A., Fryrear, D. W., Xiao, Jing Bing, Stockton, Paul, Ono, Duane, Helm, Paula J., Gill, Thomas E., Ley, Trevor

“…A field experiment at Owens (dry) Lake, California, tested whether and how the relative profiles of airborne horizontal mass fluxes for >50‐μm wind‐eroded…”
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Simulation of wind forces and erosion in a field with windbreaks by SCHWARTZ, R. C, FRYREA, D. W, JUO, A. S. R

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Wind Erosion Prediction and Control by Nanney, R D, Fryrear, D W, Zobeck, T M

“…Few regions of the United States are entirely safe from wind erosion. Whenever the soil surface is loose and dry with limited crop residue cover, and the wind…”
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Soil wind erosion hazard of spring wheat-fallow as affected by long-term climate and tillage by Merrill, S.D, Black, A.L, Fryrear, D.W, Saleh, A, Zobeck, T.M, Halvorson, A.D, Tanaka, D.L

“…We hypothesized that drought accelerates wind erosion by increasing plant and soil factors of erodibility together, compounding the erosion hazard. Erodibility…”
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Aerodynamic and geometric diameters of airborne particles by Chen, Weinan, Fryrear, Donald W

“…Settling velocity and aerodynamic equivalent diameter are properties of eolian particles that determine eolian transportation and deposition. This study…”
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Aerodynamic and Geometric Diameter of Airborne Particles: Reply by Chen, W., Fryrear, D. W.

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Models to predict water retention in semiarid sandy soils by Meng, T.P, Taylor, H.M, Fryrear, D.W, Gomez, J.F

“…Objectives of this research were to (i) develop statistical models for predicting water content at three matric potentials, using three levels of input data;…”
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Modeling the roughness properties of artificial soil clods by Dong, Z, Fryrear, D.W, Gao, S

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Sedimentary characteristics of drifting sediments above an eroding loessal sandy loam soil as affected by mechanical disturbance by Weinan, Chen, Fryrear, Donald W, Gillette, Dale A

“…Our understanding of the physical mechanisms of wind erosion and dust emission stimulated by disturbance of surface soils is not adequate, even though it is a…”
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Development of grass root systems as influenced by soil compaction by Fryrear, D.W, McCully, W.G

“…The roots of Premier sideoats grama seedlings do not penetrate a shallow compacted layer the first year. This restrictive layer, commonly found in cultivated…”
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Drag coefficients, roughness length and zero-plane displacement height as disturbed by artificial standing vegetation by Dong, Zhibao, Gao, Shangyu, Fryrear, Donald W.

“…Standing vegetation, for its disturbance to the near-surface airflow, is widely used in the arid and some semi-arid lands over the world to control wind…”
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Effect of Tractor Traffic, Surface Mulch, and Seedbed Configuration on Soil Properties by Koshi, P. T., Fryrear, D. W.

“…This study was conducted to determine the effects of three seedbed configurations, four mulch rates, and tractor traffic confinement on soil properties that…”
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Evaporation from a Simulated Soil Shrinkage Crack by Adams, John E., Ritchie, Joe T., Burnett, Earl, Fryrear, D. W.

“…A simulated soil shrinkage crack, 46 cm wide and 62 cm deep, was constructed in such a manner that depth could be varied by 15.2‐cm increments and width could…”
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AERODYNAMIC ROUGNESS PREDICTION FROM SOIL SURFACE ROUGHNESS MEASUREMENT by Saleh, A, Fryrear, D W, Bilbro, J D

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