Comparative analysis of rainfall event characteristics and rainfall erosivity between two experimental plots in Austria and Slovenia

IF 4.7 2区地球科学 Q1 WATER RESOURCES

Journal of Hydrology-Regional Studies Pub Date : 2025-03-30 DOI:10.1016/j.ejrh.2025.102353

Borbala Szeles , Juraj Parajka , Mojca Šraj , Günter Blöschl , Dušan Marjanović , Nejc Bezak , Klaudija Lebar , Andrej Vidmar , Peter Strauss , Carmen Krammer , Elmar Schmaltz , Patrick Hogan , Gerhard Rab , Katarina Zabret

{"title":"Comparative analysis of rainfall event characteristics and rainfall erosivity between two experimental plots in Austria and Slovenia","authors":"Borbala Szeles , Juraj Parajka , Mojca Šraj , Günter Blöschl , Dušan Marjanović , Nejc Bezak , Klaudija Lebar , Andrej Vidmar , Peter Strauss , Carmen Krammer , Elmar Schmaltz , Patrick Hogan , Gerhard Rab , Katarina Zabret","doi":"10.1016/j.ejrh.2025.102353","DOIUrl":null,"url":null,"abstract":"<div><h3>Study region</h3><div>This study investigated rainfall at two locations in the Danube Basin, the Hydrological Open Air Laboratory (HOAL) agricultural catchment in Petzenkirchen, Austria and an urban experimental plot in Ljubljana, Slovenia.</div></div><div><h3>Study focus</h3><div>The variability of rainfall characteristics and rainfall erosivity were explored using measurements of precipitation and drop size distributions in the period 2014–2018. Annual and seasonal rainfall event characteristics were analyzed for each site and comparatively assessed using hierarchical clustering. Annual and seasonal variability of rainfall erosivity was compared between the plots.</div></div><div><h3>New hydrological insights for the region</h3><div>Despite having the same Köppen-Geiger climate classification, differences were found between the sites. The long-term average annual precipitation in Ljubljana was almost twice as high as in the HOAL. According to the clustering analysis, larger and more intense rainfall events occurred in Ljubljana than in the HOAL. The average drop sizes and velocities tended to be lower in Ljubljana but the range of drop size distributions was larger in Ljubljana than in the HOAL. The seasonalities of rainfall event characteristics and rainfall erosivity were similar at the sites. Rainfall intensities tended to peak in summer when rainfall durations were shorter, and larger and faster drops were observed. Rainfall erosivity was between 2 and 7 times larger in Ljubljana than in the HOAL because of the more intense rainfall and single faster and larger drops during events.</div></div>","PeriodicalId":48620,"journal":{"name":"Journal of Hydrology-Regional Studies","volume":"59 ","pages":"Article 102353"},"PeriodicalIF":4.7000,"publicationDate":"2025-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Hydrology-Regional Studies","FirstCategoryId":"89","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S2214581825001788","RegionNum":2,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"WATER RESOURCES","Score":null,"Total":0}

引用次数: 0

Abstract

Study region

This study investigated rainfall at two locations in the Danube Basin, the Hydrological Open Air Laboratory (HOAL) agricultural catchment in Petzenkirchen, Austria and an urban experimental plot in Ljubljana, Slovenia.

Study focus

The variability of rainfall characteristics and rainfall erosivity were explored using measurements of precipitation and drop size distributions in the period 2014–2018. Annual and seasonal rainfall event characteristics were analyzed for each site and comparatively assessed using hierarchical clustering. Annual and seasonal variability of rainfall erosivity was compared between the plots.

New hydrological insights for the region

Despite having the same Köppen-Geiger climate classification, differences were found between the sites. The long-term average annual precipitation in Ljubljana was almost twice as high as in the HOAL. According to the clustering analysis, larger and more intense rainfall events occurred in Ljubljana than in the HOAL. The average drop sizes and velocities tended to be lower in Ljubljana but the range of drop size distributions was larger in Ljubljana than in the HOAL. The seasonalities of rainfall event characteristics and rainfall erosivity were similar at the sites. Rainfall intensities tended to peak in summer when rainfall durations were shorter, and larger and faster drops were observed. Rainfall erosivity was between 2 and 7 times larger in Ljubljana than in the HOAL because of the more intense rainfall and single faster and larger drops during events.

查看原文本刊更多论文

奥地利和斯洛文尼亚两块试验田的降雨事件特征和降雨侵蚀性比较分析

研究区域本研究调查了多瑙河流域两个地点的降雨情况，一个是奥地利佩岑基兴的水文露天实验室（HOAL）农业集水区，另一个是斯洛文尼亚卢布尔雅那的城市实验区。研究重点通过测量 2014-2018 年期间的降水量和水滴大小分布，探讨了降雨特征和降雨侵蚀性的变异性。对每个地点的年度和季节性降雨事件特征进行了分析，并使用分层聚类方法进行了比较评估。对该地区水文情况的新认识尽管具有相同的柯本-盖革气候分类，但各站点之间仍存在差异。卢布尔雅那的长期平均年降水量几乎是 HOAL 的两倍。根据聚类分析，卢布尔雅那的降雨量比 HOAL 地区更大、更强。卢布尔雅那的平均降雨量和降雨速度较低，但降雨量的分布范围却大于 HOAL 地区。两地的降雨事件特征和降雨侵蚀性的季节性相似。降雨强度往往在夏季达到峰值，此时降雨持续时间较短，降雨量较大，雨滴速度较快。卢布尔雅那的降雨侵蚀率是 HOAL 的 2 到 7 倍，原因是降雨强度更大，降雨过程中的水滴更快、更大。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

求助全文

约1分钟内获得全文求助全文

来源期刊

Journal of Hydrology-Regional Studies Earth and Planetary Sciences-Earth and Planetary Sciences (miscellaneous)

CiteScore

6.70

自引率

8.50%

发文量

284

审稿时长

60 days

期刊介绍： Journal of Hydrology: Regional Studies publishes original research papers enhancing the science of hydrology and aiming at region-specific problems, past and future conditions, analysis, review and solutions. The journal particularly welcomes research papers that deliver new insights into region-specific hydrological processes and responses to changing conditions, as well as contributions that incorporate interdisciplinarity and translational science.