2021
DOI: 10.3389/fenvs.2021.735492
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Spatial and Temporal Variability in Rainfall Erosivity Under Alpine Climate: A Slovenian Case Study Using Optical Disdrometer Data

Abstract: Rainfall erosivity is one of the most important parameters that influence soil erosion rates. It is characterized by a large spatial and temporal variability. For example, in Slovenia, which covers around 20,000 km2, the annual rainfall erosivity ranges from less than 1,000 MJ mm ha−1 h−1 to more than 10,000 MJ mm ha−1 h−1. Drop size distribution (DSD) data are needed to investigate rainfall erosivity characteristics. More than 2 years of DSD measurements using optical disdrometers located at six stations in S… Show more

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Cited by 7 publications
(3 citation statements)
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“…Wind effects were shown by Pang & Graßl [109] to result in heterogeneous rainfall over a few seconds or a few meters. Wind effects were also highlighted by Bezak et al [110] and Capozzi et al [111], and Chinchella et al [112] in a study of the Thies laser disdrometer. Evidently, although optical disdrometers can measure drop sizes reliably, if drop arrival is strictly vertical, they are prone to significant errors under windy conditions.…”
Section: Disdrometers-optical and Electro-mechanical Drop Sizing Coun...mentioning
confidence: 74%
“…Wind effects were shown by Pang & Graßl [109] to result in heterogeneous rainfall over a few seconds or a few meters. Wind effects were also highlighted by Bezak et al [110] and Capozzi et al [111], and Chinchella et al [112] in a study of the Thies laser disdrometer. Evidently, although optical disdrometers can measure drop sizes reliably, if drop arrival is strictly vertical, they are prone to significant errors under windy conditions.…”
Section: Disdrometers-optical and Electro-mechanical Drop Sizing Coun...mentioning
confidence: 74%
“…In the scope of the RUSLE model, soil erosion is described with six factors, one of which is the rainfall erosivity factor R (in MJ mm ha-1 h-1, Renard et al, 1997). Rainfall erosivity is often characterised by large spatial and temporal variability (e.g., Bezak et al, 2020Bezak et al, , 2021aBezak et al, , 2021b2021c;Panagos et al, 2016Panagos et al, , 2017Petek et al, 2018), which means that rainfall erosivity estimations are not a straightforward task and require adequate temporal and spatial data resolution.…”
Section: Introductionmentioning
confidence: 99%
“…Quantitative research on the degree of RE and change mechanisms has become popular in recent years (Diodato et al, 2013;Bezak et al, 2021). Chinese scholars (Zhang et al, 2008;Yin et al, 2022) have increasingly conducted studies on RE through various mathematical models.…”
Section: Introductionmentioning
confidence: 99%