Analysis of rainfall erosivity using disdrometer data at two stations in central Slovenia
- Authors: Arturo Ciaccioni, Nejc Bezak, Simon Rusjan
- Citation: Acta hydrotechnica, vol. 29, no. 51, pp. 89-101, 2016.
- Abstract: Erosive rainfall events can cause significant problems in agriculture and other fields because of fertile soil losses. Therefore, high-frequency measurements of rainfall data are useful in order to improve our knowledge about this issue. This study presents rainfall measurements in years 2013, 2014 and 2015 at two locations in central Slovenia, namely Ljubljana and Črni vrh nad Polhovim Gradcem, which are located in temperate-continental climate. 1-minute rainfall data analysed in this study was measured using optical disdrometer. Results indicate large variability in rainfall erosivity at relatively short distances. Some specific extreme events can lead to rainfall erosivity values up to average annual rates. Large seasonal variability of erosivity was also observed in the measured data. Moreover, several KE-I equations were tested and the results show that locally developed equations are more suitable to estimate rainfall erosivity in cases where no disdrometer data is available.
- Keywords: rainfall measurements, disdrometer, rainfall erosivity, seasonal variability
- Full text: a29ac.pdf
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