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Article

Estimation of Stagnosol Hydraulic Properties and Water Flow Using Uni- and Bimodal Porosity Models in Erosion-Affected Hillslope Vineyard Soils

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Department of Soil Amelioration, Division for Agroecology, Faculty of Agriculture, University of Zagreb, 10000 Zagreb, Croatia
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Department of Soil Science, Division for Agroecology, Faculty of Agriculture, University of Zagreb, 10000 Zagreb, Croatia
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Institute for Medical Research and Occupational Health, Ksaverska Cesta 2, 10000 Zagreb, Croatia
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College of Natural Resources and Environment, Northwest A&F University, Yangling, Xianyang 712100, China
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Environmental Sciences Department, University of California Riverside, Riverside, CA 92521, USA
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Working Group “Hydropedology”, Research Area 1 “Landscape Functioning”, Leibniz Centre for Agricultural Landscape Research (ZALF), Eberswalder Strasse 84, 15374 Müncheberg, Germany
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Author to whom correspondence should be addressed.
Academic Editors: Bořivoj Šarapatka, Miroslav Dumbrovský and Jana Podhrázská
Agronomy 2022, 12(1), 33; https://doi.org/10.3390/agronomy12010033
Received: 25 November 2021 / Revised: 17 December 2021 / Accepted: 22 December 2021 / Published: 24 December 2021
(This article belongs to the Special Issue Land Management Impacts on Soil Properties and Soil Erosion Processes)
Erosion has been reported as one of the top degradation processes that negatively affect agricultural soils. The study objective was to identify hydropedological factors controlling soil water dynamics in erosion-affected hillslope vineyard soils. The hydropedological study was conducted at identically-managed Jastrebarsko (location I), and Jazbina (II) and (III) sites with Stagnosol soils. Soil Hydraulic Properties (SHP) were estimated on intact soil cores using Evaporation and WP4C methods; soil hydraulic functions were fitted using HYPROP-FIT software. For Apg and Bg/Btg horizons, uni- and bimodal soil hydraulic models could be well fitted to data; although, the bimodal model performed better in particular cases where data indicated non-uniform pore size distribution. With these SHP estimations, a one-year (2020) water flow scenario was simulated using HYDRUS-1D to compare water balance results obtained with uni- and bimodal hydraulic functions. Simulation results revealed relatively similar flux distribution at each hillslope position between the water balance components infiltration, surface runoff, and drainage. However, at the bottom profile at Jastrebarsko, bimodality of the hydraulic functions led to increased drainage. Soil water storage was reduced, and the vertical movement increased due to modified soil water retention curve shapes. Adequate parameterization of SHP is required to capture the hydropedological response of heterogenous erosion-affected soil systems. View Full-Text
Keywords: hydropedology; arable soil; soil water retention curves; hydraulic conductivity curves; numerical modeling hydropedology; arable soil; soil water retention curves; hydraulic conductivity curves; numerical modeling
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MDPI and ACS Style

Filipović, V.; Defterdarović, J.; Krevh, V.; Filipović, L.; Ondrašek, G.; Kranjčec, F.; Magdić, I.; Rubinić, V.; Stipičević, S.; Mustać, I.; Bubalo Kovačić, M.; He, H.; Haghverdi, A.; Gerke, H.H. Estimation of Stagnosol Hydraulic Properties and Water Flow Using Uni- and Bimodal Porosity Models in Erosion-Affected Hillslope Vineyard Soils. Agronomy 2022, 12, 33. https://doi.org/10.3390/agronomy12010033

AMA Style

Filipović V, Defterdarović J, Krevh V, Filipović L, Ondrašek G, Kranjčec F, Magdić I, Rubinić V, Stipičević S, Mustać I, Bubalo Kovačić M, He H, Haghverdi A, Gerke HH. Estimation of Stagnosol Hydraulic Properties and Water Flow Using Uni- and Bimodal Porosity Models in Erosion-Affected Hillslope Vineyard Soils. Agronomy. 2022; 12(1):33. https://doi.org/10.3390/agronomy12010033

Chicago/Turabian Style

Filipović, Vilim, Jasmina Defterdarović, Vedran Krevh, Lana Filipović, Gabrijel Ondrašek, Filip Kranjčec, Ivan Magdić, Vedran Rubinić, Sanja Stipičević, Ivan Mustać, Marina Bubalo Kovačić, Hailong He, Amir Haghverdi, and Horst H. Gerke. 2022. "Estimation of Stagnosol Hydraulic Properties and Water Flow Using Uni- and Bimodal Porosity Models in Erosion-Affected Hillslope Vineyard Soils" Agronomy 12, no. 1: 33. https://doi.org/10.3390/agronomy12010033

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