FIELD: agriculture, soil science, amelioration and hydrology, in particular, investigation of gully erosion.
SUBSTANCE: apparatus has reservoir with liquid. Reservoir is designated for altering inclination angle and flow rate of liquid discharged from reservoir. Apparatus is equipped with working surface having channel-shaped longitudinal section and restricted at channel ends by sides. Apparatus has constant pressure liquid feeding Mariotte's vessel, pipeline with Hofman's clamp, and tip adapted for putting onto top part of channel strip. Bottom part of channel strip is placed onto frame, having adjustable angle of inclination to horizontal plane.
EFFECT: increased precision in determining starting of liquid flow over downfall surface and on ballistic curve.
3 cl, 2 dwg
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