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Sediment transport through water erosion is an environmental problem, having widespread and serious negative impact on agricultural production and mainly on water quality. Sediments reduce the stream capacity, reservoir’s accumulation capacity and act as the ultimate sink of many pollutants (nutrients, heavy metals, pesticides). For assessment the water management and environmental impact of sediments on water quality, first, it is necessary to determine the total amount of sediments deposited in reservoirs, often originated from erosion of agricultural production areas. This paper deals with the method for determination of the sediment quantity in the small water basin Klusov-Hervartov, which is based on combining the soil loss calculation using the Universal Soil Loss Equation and sediment delivery ratio. The calculation is supplemented with the determining of the detached sediment amount during 5 cropping periods in the year depending on land use in the river catchment’s area. Total quantity of sediments trapped in reservoir is determined according to the reservoir trapping efficiency by using Brune and Dendy method. Soil loss is computed based on the particular croprotations in the catchment during 10 years.
Rocznik
Tom
Strony
81--89
Opis fizyczny
Bibliogr. 13 poz., il.
Twórcy
Bibliografia
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- [2] Kovalikova N., Balintova M.: Influence of water erosion processes on the bottom sediment quality, Chemické Listy, no 102, 2008, pp. 397-398.
- [3] Junáková N., Bálintová M., Vodička R.: Nutrient concentration in eroded sediments detached through water erosion, CEST 2009, Chania: University of the Aegean, 2009, pp. B-400-B-406.
- [4] Junáková N., Bálintová M.: Model for predicting the nutrient content in reservoir bottom sediments, SGEM 2011, vol. 3, Sofia: STEF92 Technology, 2011, pp. 475-482.
- [5] Wishmeier W.H., Smith D.D.: Predicting rainfall erosion losses. A guide to conservation planning, Agriculture Handbook, no 537, Washington D.C., U.S. Department of Agriculture, 1978, http://topsoil.nserl.purdue.edu/usle/AH_537.pdf (06/10/2007).
- [6] Williams J.R.: Sediment delivery ratios determined with sediment and runoff models, erosion and solid mater transport in inland water, International Association of Hydrological Sciences Publication, no 122, 1977, pp. 168-179, https://www.itia. ntua.gr/hsj/redbooks/122/iahs_122_0168.pdf (09/11/2008).
- [7] White W.R.: Reservoir sedimentation and flushing. Hydrology in mountainous regions. II: Artificial reservoirs, water and slopes, IAHS Publ., no 194, 1990, pp. 129-139, http://www.cig.ensmp.fr/~iahs/redbooks/a194/iahs_194_0129.pdf (06/10/2007).
- [8] Wischmeier W.H., Smith D.D.: A universal soil-loss equation to guide conservation farm planning, Trans. Int. Congr. Soil Sci., 7th, 1960, pp. 418-425.
- [9] Copeland R.R.: Albuquerque arroyos sedimentation study. Numerical model investigation, Technical Report HL-95-2 U.S. Army Corps of Engineers, 1995, http://chl.erdc.usace.army.mil/Media/7/8/9/HL-TR-95-2.pdf (08/03/2008).
- [10] Malíšek A.: Evaluation of the rainfall and runoff factor by geographic location, Geographical Journal, vol. 42, 1990, pp. 410-422.
- [11] Antal J.: Soil conservation, SPU, Nitra 2005.
- [12] Janeček M. et.al.: Conservation of agricultural soils, ISV nakladatelství, Prague 2005.
- [13] Dostál T. et.al.: Methods and ways of prediction of surface runoff, erosion and sediment transport processes, Faculty of Civil Engineering, Prague 2006.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BTB5-0014-0063