Analysis of Precipitation and Runoff Conditions in Agricultural Runoff Monitoring Sites

1. Apsite, E., Nikodemus, O., Brūmenis, G., Lagzdins, A., Elfers, D., Randenieks, Z. & Klints, L. (2017). Impact of Climate Variability, Drainage and Land-cover Changes on Hemiroboreal Streamflow. Hydrological Sciences Journal 62, 2558–2570.10.1080/02626667.2017.1393821Search in Google Scholar

2. European Council. (1991). Directive 91/676/EEC concerning the protection of waters against pollution caused by nitrates from agricultural sources. Official Journal of the European Union. 375, 1–8.Search in Google Scholar

3. Havlin, J. L., Beaton, J. D., Tisdale, S. L. & Nelson, W. L. (2005) Soil Fertility and Fertilizers: An Introduction to Nutrient Management. Upper Saddle River, Pearson Education, Inc., 515.Search in Google Scholar

4. Hulme, M., Barrow, E.M., Arnell, N.W., Harrison, P.A., Johns, T.C. & Downing T.E. (1999). Relative Impacts of Human – Induced Climate Change and Natural Climate Cariability. Nature 397, 688–691.10.1038/17789Search in Google Scholar

5. Meinke, H., Stone, R.C. (2005). Seasonal and Inter-Annual Climate Forecasting: The New Tool for Increasing Preparedness to Climate Variability and Change in Agricultural Planning and Operations. Climatic Change 70, 221–253.10.1007/s10584-005-5948-6Search in Google Scholar

6. Merrington, G., Winder, L., Parkinson, R. & Redman M. (2002) Agricultural Pollution: Environmental Problems and Practical Solutions. Taylor & Francis, 243.10.4324/9780203302026Search in Google Scholar

7. Nielsen, S.A. & Hansen E. (1973). Numerical Simulation of the Rainfall – Runoff Process on a Daily Basis. Hydrology Research 4, 171-190.10.2166/nh.1973.0013Search in Google Scholar

8. Oygarden, L., Deelstra, J., Lagzdins, A., Bechmann, M., Greipsland, I., Kyllmar, K., Iital A. (2014). Climate Change and the Potential Effects on Runoff and Nitrogen Losses in the Nordic-Baltic Region. Agriculture, Ecosystems and Environment 198, 114-126.10.1016/j.agee.2014.06.025Search in Google Scholar

9. Regonda, S.K. & Rajagopalan, B. (2005). Seasonal Cycle Shifts in Hydroclimatology over the Western United States. Journal of Climate 18, 372–384.10.1175/JCLI-3272.1Search in Google Scholar

10. Rose, C.W. & Stern, W.R. (1965). The Drainage Component of the Water Balance Equation. Australian Journal of Soil Research 3, 95–100.10.1071/SR9650095Search in Google Scholar

11. Shawul, A.A., Alamirew, T. & Dinka M.O. (2013). Calibration and Validation of SWAT Model and Estimation of Water Balance Components of Shaya Mountainous Watershed, Southeastern Ethiopia. Hydrology and Earth System Sciences 10, 13955–13978.10.5194/hessd-10-13955-2013Search in Google Scholar

12. Sileika, A. S., Gaigalis, K., Kutra, G. & Smitiene A. (2005) Factors affecting N and P losses from small catchments (Lithuania). Environmental Monitoring and Assessment, Vol. 102, 359–374.10.1007/s10661-005-6033-315869196Search in Google Scholar

13. Suni, T., Guenther, A., Hansson, H.C., Kulmala, M., Andreae, M.O., Arneth, A., Seneviratne S. (2015). The Significance of Land-atmosphere Interactions in the Earth System – iLEAPS Achievements and Perspectives. Anthropocene 12, 69–84.10.1016/j.ancene.2015.12.001Search in Google Scholar

14. Teuling, A.J., Loon, A.F., Seneviratne, S.I., Lehner, I., Aubinet, M., Heinesch, B., Spank, U. (2013). Evapotranspiration amplifies European summer drought. Geophysical Research Letters 40, 2071–2075.10.1002/grl.50495Search in Google Scholar

15. Ziverts A. (2004). Hidroloģija (Hydrology). Latvia University of Agriculture. Jelgava: LLU. (in Latvian).Search in Google Scholar