Papers by Velibor Spalevic
Notulae botanicae Horti Agrobotanici Cluj-Napoca, Mar 29, 2024
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Applied Engineering Letters, 2024
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Cave and karst systems of the world, 2024
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Agriculture and Forestry, Sep 29, 2023
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Notulae Botanicae Horti Agrobotanici Cluj-napoca, Sep 20, 2023
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INSTITUTO DE GEOCIÊNCIAS - UNICAMP eBooks, 2017
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Heliyon, Jun 1, 2023
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Sixth International Scientific Agricultural Symposium "Agrosym 2015", Jahorina, Bosnia and Herzegovina, October 15-18, 2015. Book of Proceedings, 2015
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Journal of Environmental Protection and Ecology, 2017
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Semina-ciencias Agrarias, Apr 11, 2022
Since the mid-16th century, the Tietê River has been an important route for the territorial occup... more Since the mid-16th century, the Tietê River has been an important route for the territorial occupation and exploitation of natural resources in the interior of São Paulo and Brazil. Currently, the Tietê River is well known for environmental problems related to water pollution and contamination. However, little attention has been focused on water erosion, which is a serious issue that affects the soils and waters of the hydrographic basin. Thus, this work aimed to estimate soil loss caused by water erosion in this basin, which has an area of approximately 72,000 km², using the Revised Universal Soil Loss Equation (RUSLE). The RUSLE parameter survey and soil loss calculation were performed using geoprocessing techniques. The RUSLE estimated an average soil loss of 8.9 Mg ha-1 yr-1 and revealed that 18% of the basin's territory presents high erosion rates. These are priority zones for conservation practices to reduce water erosion and ensure long-term soil sustainability. The estimated sediment transport was 1.3 Mg ha-1 yr-1, whereas the observed sedimentation, which was calculated based on data from the fluviometric station, was 0.8 Mg ha-1 yr-1. Thus, the results were equivalent considering the large size of the study area and can be used to assist in managing the basin. Estimating soil losses can help in the planning of sustainable management of the Tietê River Hydrographic Basin and highlights the importance of minimizing water erosion, thus helping to prevent additional pollution and contamination with sediments, agrochemicals, and fertilizers.
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Hrvatske vode : časopis za vodno gospodarstvo, 2014
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Earth Sciences Research Journal, May 23, 2023
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Agriculture and Forestry, Sep 30, 2022
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Journal of Mountain Science, Mar 1, 2021
Raindrop size, rainfall intensity and runoff discharge affect the detachment and transportation o... more Raindrop size, rainfall intensity and runoff discharge affect the detachment and transportation of soil particles. Among these three factors, the rainfall intensity seems to be more important because it can change other two factors. Storm patterns can be determined by changing the rainfall intensity during the storm. Therefore, the objective of this research is to test the influence of storm pattern on runoff, soil erosion and sediment concentration on a rangeland soil slope under field rainfall simulation. Four storm rainfall intensity patterns were selected for examining the effects of variations in storm event characteristics on soil erosion processes. The selected storm patterns were: I (45, 55 and 70 mm h−1); II (45, 70 and 55 mm h−1); III: (70, 55 and 45 mm h−1); and IV (55, 45 and 70 mm h−1). The last pattern is a new one instead of the uniform pattern which has been sufficiently studied in previous researches. The experiments were conducted in field plots (in Kojour watershed, Mazandaran Province, Iran) with an area of one square meter and an constant slope gradient of 18%, surrounded by galvanised sheets. Following the non-uniform prioritization of the storm patterns for the studied variables, time to runoff (I>II>IV>III), runoff volume (III>IV>II>I), sediment concentration (IV>III>I>II) and soil erosion (III>IV>II>I)), it can be generally inferred that each pattern has specific effect on soil erosion processes during a storm. The results of the general linear model (GLM) test indicated that the effects of storm pattern on time to runoff, total runoff volume, runoff coefficient and soil erosion were significant at a level of 99%. The Duncan test showed that the storm patterns can be divided into three groups of III, IV; II; I (for time to runoff), I, II; IV, III (for runoff coefficient), and I; II; IV, III (for runoff volume and soil erosion).
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Environment, Development and Sustainability, Dec 21, 2022
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Agriculture and Forestry, Jun 30, 2021
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Frontiers in Built Environment, Oct 3, 2022
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Agriculture and Forestry, Sep 30, 2018
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Agriculture and Forestry, Jun 30, 2022
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Notulae Botanicae Horti Agrobotanici Cluj-napoca, Dec 8, 2022
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Papers by Velibor Spalevic