Analysis of erosive events for a soil in the southwest of Buenos Aires Province, Argentina
2012
Bouza, Mariana E. | Silenzi, J.C. | Echeverría, N.E. | De Lucia, M.P.
In the SW of Buenos Aires Province, Argentina, wind erosion in a smooth field with no vegetation cover was measured during the April–November period, 2009. Mean wind speed (measured at 2m high) of the 14 recorded storms was 32.5kmh⁻¹. Nine surface collectors and 27 BSNE dust samplers, three per tower, distributed in a 1ha-plot were used. Mass flux decreased with height, fitting to an exponential equation, and increased with distance. Near-surface mass flux (0.07m) represented between 70% and 90% of the total transported material. Soil loss for the entire sampled period was 56.8tha⁻¹. Considering that soil particle movement was greater near the surface, strategies to control wind erosion promoting the use of conservation tillage may be planned.
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