Improving nitrate load simulation of the SWAT model in an extensively tile-drained watershed

• Published in: The Science of the total environment Vol. 904; p. 166331
• Main Authors: Kim, JungJin, Her, Younggu, Bhattarai, Rabin, Jeong, Hanseok
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 15.12.2023
• Subjects: Calibration; Nitrate; Sensitivity analysis; SWAT; Tile drainage; SWAT; Nitrate; Tile drainage; Sensitivity analysis; Calibration

Subsurface drainage systems are effective management practices employed to remove excess soil water, thereby improving soil aeration and crop productivity. However, these systems can also contribute to water quality issues by enhancing nitrate leaching and loads from agricultural fields. The Soil an...