Open Access

Application of Statistical Methods for Analysis of Agricultural Runoff Monitoring Data


Cite

HELCOM. Eutrophication in the Baltic Sea - An integrated thematic assessment of the effects of nutrient enrichment and eutrophication in the Baltic Sea region. In: Baltic Sea Environment Proceedings No. 115A, Helsinki, Finland, 2009, p. 3-11.Search in Google Scholar

Directive 2000/60/EC of the European parliament and of the council of 23 October 2000 establishing a framework for the Community action in the field of water policy. Official Journal of the European Communities, L 327, p. 1-72.Search in Google Scholar

Council Directive 91/676/EEC of 12 December 1991 concerning the protection of water against pollution caused by nitrates from agricultural sources. Official Journal of the European Communities, L 375, p. 1-8.Search in Google Scholar

Bakhsh, A., Kanwar, R. S., Pederson, C., et. al. N-source effects on temporal distribution of NO3-N leaching losses to subsurface drainage water. Water, Air & Soil Pollution, 2006, No. 181, p. 35-50.10.1007/s11270-006-9274-zSearch in Google Scholar

Magner, J. A., Payne, G. A., Steffen, L. J. Drainage effects on stream nitrate-N and hydrology in south-central Minnesota (USA). Environmental Monitoring and Assessment, 2004, No. 91, p. 183-198.10.1023/B:EMAS.0000009235.50413.42Search in Google Scholar

Vuorenmaa, J., Rekolainen, S., Lepistö, A., et. al. Losses of nitrogen and phosphorus from agricultural and forest areas in Finland during the 1980s and 1990s. Environmental Monitoring and Assessment, 2002, No. 76, p. 213-248.10.1023/A:1015584014417Search in Google Scholar

FAO.Guidelines for soil profile description. Fourth edition. Food and Agriculture Organization of the United Nations, Rome, Italy, 2006. 97 p.Search in Google Scholar

Water quality - Determination of nitrogen - Part 1: Method using oxidative digestion with peroxodisulfate. LVS EN ISO 11905-1:1998.Search in Google Scholar

Water quality - Determination of phosphorus - Ammonium molybdate spectrometric method. LVS EN ISO 6878:2005 A/L.Search in Google Scholar

Stenger, R., Priesack, E., Beese, F. Spatial variation of nitrate-N and related soil properties at the plot-scale. Geoderma, 2002, vol. 105, p. 259-275.10.1016/S0016-7061(01)00107-0Search in Google Scholar

Van Herpe, Y., Troch, P. A. Spatial and temporal variations in surface water nitrate concentrations in a mixed land use catchment under humid temperate climatic conditions. Hydrological Processes, 2000, No. 14, p. 1328-1344.10.1002/1099-1085(20001015)14:14<2439::AID-HYP105>3.0.CO;2-HSearch in Google Scholar

von Storch, H., Zwiers, F. W.Statistical Analysis in Climate Research. Cambridge: Cambridge University Press, United Kingdom, 1999. 484 p.Search in Google Scholar

SPSS for Introductory Statistics: Use and Interpretation (Second Edition). G. A. Morgan, N. L. Leech, G. W. Gloeckner, K. C. Barrett. Lawrence Erlbaum Associates, Mahwah, New Jersey, 2004. 211 p.Search in Google Scholar

Warner, K. L.Analysis of Nutrients, Selected Inorganic Constituents, and Trace Elements in Water from Illinois Community-Supply Wells, 1984-91. Water-Resources Investigations Report 99-4152, U. S. Geological Survey, Urbana, Illinois, USA, 2000. 47 p.Search in Google Scholar

Jansons, V., Busmanis, P., Dzalbe, I., et. al. Catchment and Drainage Field Nitrogen Balances and Nitrogen Loss in Three Agriculturally Influenced Latvian Watersheds. European Journal of Agronomy, 2003, vol. 20, p. 173-179.10.1016/S1161-0301(03)00072-8Search in Google Scholar

Stålnacke, P., Grimvall, A., Libiseller, C., et. al. Trends in nutrient concentrations in Latvian rivers and the response to the dramatic change in agriculture. Journal of Hydrology, 2003, vol. 283, p. 184-205.10.1016/S0022-1694(03)00266-XSearch in Google Scholar

Randall, G. W., Mulla, D. J. Nitrate Nitrogen in Surface Waters as Influenced by Climatic Conditions and Agricultural Practices. Journal of Environmental Quality, 2001, vol. 30, p. 337-344.10.2134/jeq2001.302337xSearch in Google Scholar

Ritter, W. F., Shirmohammadi, A.Agricultural nonpoint source pollution: Watershed management and hydrology. CRC Press LLC, Boca Raton, Florida, USA, 2001. 342 p.10.1201/9781420033083Search in Google Scholar

Donohue, R., Davidson, W. A., Peters, N. E., et. al. Trends in total phosphorus and total nitrogen concentrations of tributaries to the Swan-Canning Estuary, 1987 to 1998. Hydrological Processes, 2001, vol. 15, p. 2411-2434.10.1002/hyp.300Search in Google Scholar

Armstrong, A. C., Burt, T. P. Nitrate Losses from Agricultural Land. In: Nitrate: Processes, Patterns and Management. John Wiley & Sons Ltd., Chichester, United Kingdom, 1993, p. 239-267.Search in Google Scholar

Sharpley, A. N., Rekolainen, S. Phosphorus in Agriculture and Its Environmental Implications. In: Phosphorus Loss from Soil to Water. CAB International, Wallingford, United Kingdom, 1997, p. 1-53.Search in Google Scholar

McDowell, R. W., Sharpley, A. N., Kleinman, P. J. A., et. al. Hydrological Source Management of Pollutants at the Soil Profile Scale. In: Agriculture, Hydrology and Water Quality. CAB International, Wallingford, United Kingdom, 1997, p. 197-223.10.1079/9780851995458.0197Search in Google Scholar

Hatch, D., Goulding, K., Murphy, D. Nitrogen. In: Agriculture, Hydrology and Water Quality. CAB International, Wallingford, United Kingdom, 1997, p. 7-27.10.1079/9780851995458.0007Search in Google Scholar

Vinten, A. J. A., Smith, K. A. Nitrogen Cycling in Agricultural Soils. In: Nitrate: Processes, Patterns and Management. John Wiley & Sons Ltd., Chichester, United Kingdom, 1993, p. 39-73.Search in Google Scholar

Augsnes ilgtspējīga izmantošana un aizsardzība. O. Nikodemus, A Kārkliņš, M. Kłaviņš, V. Melecis. Rīga: LU Akadēmiskais apgāds, 2008. 256 p.Search in Google Scholar

Kronvang, B., Grant, R., Laubel, A. R., et. al. Quantifying Sediment and Nutrients Pathways within Danish Agricultural Catchments. In: Agriculture, Hydrology and Water Quality. CAB International, Wallingford, United Kingdom, 1997, p. 281-301.10.1079/9780851995458.0281Search in Google Scholar

Pietilainen, O. P., Rekolainen, S. Dissolved reactive and total phosphorus load from agricultural and forested basins to surface water in Finland. Aqua Fennica, 1991, vol. 21, p. 127-136.Search in Google Scholar

Sharpley, A. N., Smith, S. J., Jones, O. R., et. al. The transport of bioavailable phosphorus in agricultural runoff. Soil Science Society of America Journal, 1992, vol. 57, p. 1131-1137.Search in Google Scholar

Helsel, D. R., Hirsch, R. M.Statistical Methods in Water Resources. Techniques of Water-Resources Investigations of the United States Geological Survey, U. S. Geological Survey, 2002, 510 p. [E-book] Available: http://water.usgs.gov/pubs/twri/twri4a3/Search in Google Scholar

Deelstra, J., Abramenko, K., Vagstad, N., et. al. Hydrological Pathways, Scale Issues and Nitrogen Runoff: a Case Study in a Latvian Catchment. In: Nordic Hydrological Programme Report No. 48, Tartu, Estonia, 2004, p. 219-229.Search in Google Scholar

ISSN:
1691-5208
Language:
English
Publication timeframe:
2 times per year
Journal Subjects:
Life Sciences, other