Lawrence J. Hagen

Research Interests:

• Wind Erosion Prediction System (WEPS) simulation model
• erosion mechanics and control
• dust generation
• weather simulation
• soil aggregation/deaggregation processes

Education:

• 1980, Ph.D., Kansas State University - Mechanical Engineering
• 1967, M.S., North Dakota State University - Agricultural Engineering
• 1962, B.S., North Dakota State University - Mechanized Agriculture

Most Recent Publications:

Hagen, L. J. 1995. Crop residue effects on aerodynamic processes and wind erosion. Theoretical and Applied Climatology (in press).

Hagen, L. J. 1995. Erosion submodel. In Wind Erosion Prediction System Technical Description. Proc. of WEPP/WEPS Symposium, Soil and Water Conservation Society, Des Moines, Iowa.

Hagen, L. J., B. Schroeder, and E. L. Skidmore. 1995. A vertical soil crushing-energy meter. Trans. Amer. Soc. Agric. Engin. 38(3): 711-715.

Hagen, L. J. and D. V. Armbrust. 1994. Plant canopy effects on wind erosion saltation. Trans. Amer. Soc. Agric. Engin. 37(2): 461-465.

Hagen, L. J., E. L. Skidmore, and A. Saleh. 1992. Prediction of aggregate abrasion coefficients. Trans. Amer. Soc. Agric. Engin. 35(6): 1847-1850.