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Open AccessAbstract

Raindrop Influence on the Soil Surface

1
Faculty of Civil Engineering, Czech Technical University in Prague, 16636 Praha 6, Czech Republic
2
Institute for Soil Physics and Rural Water Management, University of Natural Resources and Life Sciences, 1190 Vienna, Austria
3
Federal Agency for Water Management, Institute for Land & Water Management Research, 3252 Petzenkirchen, Austria
*
Author to whom correspondence should be addressed.
Presented at TERRAenVISION 2019, Barcelona, Spain, 2–7 September 2019.
Proceedings 2019, 30(1), 61; https://doi.org/10.3390/proceedings2019030061
Published: 19 May 2020
(This article belongs to the Proceedings of TERRAenVISION 2019)
Soil erosion through various water processes is a worldwide problem. This research is focused on raindrops’ impact on soil surfaces, which is generally considered the initial stage of the erosion process. Splash erosion monitoring was conducted across three experimental sites: Petzenkirchen, Mistelbach (Austria) and Prague (Czech Republic). At each site, the rainfall characteristics (intensity and kinetic energy) were measured by rain gauges and disdrometers, and the impacts on soils (soil loss, soil surface consolidation, changes in soil surface roughness) were evaluated. Several disturbed soil samples with an area of 78.5 cm2 were placed into splash cups prior to each event. The splash cup collects the soil particles that are splashed out of the sample area when a raindrop hits the soil surface. The collected sediment suspension is processed in the laboratory after each event to determine the lost soil mass. Ground photogrammetry was utilized to determine the surface consolidation of a sample caused by a given rainfall event. Results for more than 500 soil samples were included in this study. Relationships between kinetic energy, rainfall intensity and soil loss and consolidation were evaluated.
Keywords: rainfall; kinetic energy; soil loss; splash erosion rainfall; kinetic energy; soil loss; splash erosion
MDPI and ACS Style

Neumann, M.; Zumr, D.; Kavka, P.; Dostál, T.; Laburda, T.; Vrána, M.; Zambon, N.; Johannsen, L.L.; Strauss, P.; Klik, A. Raindrop Influence on the Soil Surface. Proceedings 2019, 30, 61.

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