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001-es BibID:BIBFORM094218
035-os BibID:(cikkazonosító)935 (WoS)000653289800001 (Scopus)85106529645
Első szerző:Négyesi Gábor (geográfus)
Cím:Influence of Soil Moisture and Crust Formation on Soil Evaporation Rate: A Wind Tunnel Experiment in Hungary / Gábor Négyesi, Szilárd Szabó, Botond Buró, Safwan Mohammed, József Lóki, Kálmán Rajkai, Imre J. Holb
Dátum:2021
ISSN:2073-4395
Megjegyzések:In both arid and semiarid regions, erosion by wind is a significant threat against sustainability of natural resources. The objective of this work was to investigate the direct impact of various soil moisture levels with soil texture and organic matter on soil crust formation and evaporation. Eighty soil samples with different texture (sand: 19, loamy sand: 21, sandy loam: 26, loam: 8, and silty loam: 6 samples) were collected from the Nyírség region (Eastern Hungary). A wind tunnel experiment was conducted on four simulated irrigation rates (0.5, l.0, 2.0, and 5.0 mm) and four levels of wind speeds (4.5, 7.8, 9.2, and 15.5 m s?1). Results showed that watering with a quantity equal to 5 mm rainfall, with the exception of sandy soils, provided about 5?6 h protection against wind erosion, even in case of a wind velocity as high as 15.5 m s?1. An exponential connection was revealed between wind velocities and the times of evaporation (R2 = 0.88?0.99). Notably, a two-way ANOVA test revealed that both wind velocity (p < 0.001) and soil texture (p < 0.01) had a significant effect on the rate of evaporation, but their interaction was not significant (p = 0.26). In terms of surface crusts, silty loamy soils resulted in harder and more solid crusts in comparison with other textures. In contrast, crust formation in sandy soils was almost negligible, increasing their susceptibility to wind erosion risk. These results can support local municipalities in the development of a local plan against wind erosion phenomena in agricultural areas.
Tárgyszavak:Természettudományok Földtudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
wind tunnel
wetting front
SDGs
regional planning
Megjelenés:Agronomy-Basel. - 11 : 5 (2021), p. 1-16. -
További szerzők:Szabó Szilárd (1974-) (geográfus) Buró Botond (1986-) (geográfus) Mohammed Safwan (1985-) (agrármérnök) Lóki József (1946-) (geográfus) Rajkai Kálmán (1951-) (biológus) Holb Imre (1973-) (agrármérnök)
Pályázati támogatás:GINOP-2.3.2-15-2016-00009
GINOP
K131478
OTKA
TKP2020-NKA-04
Egyéb
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2.

001-es BibID:BIBFORM065101
Első szerző:Négyesi Gábor (geográfus)
Cím:Effect of soil parameters on the threshold wind velocity and maximum eroded mass in a dry environment / Gábor Négyesi, József Lóki, Botond Buró, Szilárd Szabó
Dátum:2016
ISSN:1866-7511 1866-7538
Megjegyzések:The present study aims to investigate the relationshipsbetween several soil parameters (texture, organic matterand CaCO3 content) and the threshold wind velocity and erodibilityof different soil types. Our aim was to determine therole of these soil parameters play in soil loss due to winderosion and also to statistically evaluate these correlations.The erodibility studies were carried out in wind tunnel experiments,and the resulting data were analysed with multipleregression analysis and the Kruskal-Wallis test. We found thatboth the threshold wind speed and the erodibility of soils weremostly determined by silt fraction (0.05?0.02 mm), while sandfractions had a lesser effect on it. Our experiences with organicmatter and CaCO3 similar, i.e. in spite of their correlation withthe erosion, their contribution was not significant in the multivariateregression model. Consequently, based on mechanicalcomposition of soils, one can predict threshold wind velocityand erodibility of soils.
Tárgyszavak:Természettudományok Földtudományok idegen nyelvű folyóiratközlemény külföldi lapban
wind erosion
wind tunnel
erodibility
Hungary
Soil properties
Doktori iskola
Megjelenés:Arabian Journal of Geosciences. - 9 : 11 (2016), p. 588-598. -
További szerzők:Lóki József (1946-) (geográfus) Buró Botond (1986-) (geográfus) Szabó Szilárd (1974-) (geográfus)
Pályázati támogatás:PD115803
OTKA
TÁMOP-4.2.2/B-10/1-2010-0024
TÁMOP
Földtudományok Doktori Iskola
K83560
OTKA
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3.

001-es BibID:BIBFORM083813
035-os BibID:(cikkazonosító)563 (Scopus)85081747794 (WoS)000519846500254
Első szerző:Szabó Zsuzsanna (környezetgazdálkodási és vidékfejlesztési agrármérnök)
Cím:Geomorphology as a Driver of Heavy Metal Accumulation Patterns in a Floodplain / Szabó Zsuzsanna, Buró Botond, Szabó József, Tóth Csaba Albert, Baranyai Edina, Herman Petra, Prokisch József, Tomor Tamás, Szabó Szilárd
Dátum:2020
ISSN:2073-4441
Megjegyzések:The spatial complexity of floodplains is a function of several processes: hydrodynamics, flow direction, sediment transportation, and land use. Sediments can bind toxic elements, and as there are several pollution sources, the risk of heavy metal accumulation on the floodplains is high. We aimed to determine whether fluvial forms have a role in metal accumulations. Topsoil samples were taken from point bars and swales in the floodplain of the Tisza River, North-East Hungary. Soil properties and metal concentrations were determined, and correlation and hypothesis testing were applied. The results showed that fluvial forms are important drivers of horizontal metal patterns: there were significant differences (p < 0.05) between point bars and swales regarding Fe, K, Mg, Mn, Cr, Cu, Ni, Pb, and Zn. Vertical distribution also differed significantly by fluvial forms: swales had higher metal concentrations in all layers. General Linear Models had different results for macro and micro elements: macro element concentrations were determined by the organic matter, while for micro elements the clay content and the forms were significant explanatory variables. These findings are important for land managers and farmers because heavy metal concentration has a direct impact on living organisms, and the risk of bioaccumulation can be high on floodplains.
Tárgyszavak:Természettudományok Földtudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
fluvial landforms
swale
point bar
topsoil samples
vertical contamination
General Linear Model (GLM)
Megjelenés:Water. - 12 : 2 (2020), p. 1-16. -
További szerzők:Buró Botond (1986-) (geográfus) Szabó József (1940-) (geográfus) Tóth Csaba Albert (1971-) (geográfus) Baranyai Edina (1987-) (környezetkutató) Herman Petra (1994-) (környezetkutató) Prokisch József (1966-) (vegyész) Tomor Tamás (1976-) (geográfus) Szabó Szilárd (1974-) (geográfus)
Pályázati támogatás:GINOP-2.3.2-15-2016-00009'ICER'
Egyéb
ÚNKP-18-3 New National Excellence Program of the Ministry of Human Capacities
Egyéb
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DOI
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