The SWATDRAIN model was developed by incorporating the subsurface flow model, DRAINMOD, into a watershed scale surface flow model, SWAT (Soil and Water Assessment tool), to simulate the hydrology and water quality of agricultural watersheds. The model is capable of simulating hydrology under different agricultural management and climate scenarios. As an application of the SWATDRAIN model, the i...

Through the Water Framework Directive (WFD) the European countries started producing integrated river basin management plans with the basic objective to achieve “good status” of water bodies by 2015. The main aims of these plans are to identify procedures for combating the deterioration or overexploitation of water resources in the territory of each member state. In the first phase of this init...

the use of fertilizers in agriculture is a potential source of environmental pollution especially in ‎water quality and soil resources. the study of effective factors on water and nutrient transport ‎through soil profile is helpful for nutrient management to minimize adverse impacts on environment ‎and nitrate leaching below root zone. in this study, for assessing the nitrate transportation bel...

Denitrification is known as an important pathway for nitrate loss in agroecosystems. It is important to estimate denitrification fluxes to close field and watershed N mass balances, determine greenhouse gas emissions (N2O), and help constrain estimates of other major N fluxes (e.g., nitrate leaching, mineralization, nitrification). We compared predicted denitrification estimates for a typical c...

The impact of controlled drainage (CD) on the groundwater table (GWT), outflow, surface runoff, and nitrogen reduction at system scale in Wielkopolska region was analyzed this study. Based field research, mainly by monitoring GWT changes 2019–2020, DRAINMOD model calibrated validated. Hydrological soil water balance simulations were carried out with 36 9 combinations for CD free (FD), respectiv...

This modeling study focused on the hydrological and water quality effects of controlled drainage (CD) when operated using a subsurface system in an agricultural field Wielkopolska region. The DRAINMOD hydrologic model was well calibrated validated experimental field. used performance CD free (FD) combinations (108 27, respectively) near-future climate change scenario. objective to understand po...