Fuzzy optimization model for integrated management of total nitrogen loads from distributed point and nonpoint sources in watershed

• Published in: Paddy and water environment Vol. 7; no. 3; pp. 163 - 175
• Main Authors: Maeda, Shigeya, Kawachi, Toshihiko, Unami, Koichi, Takeuchi, Junichiro, Izumi, Tomoki, Chono, Syunsuke
• Format: Journal Article
• Language: English
• Published: Berlin/Heidelberg Springer-Verlag 01.09.2009; Springer Nature B.V
• Subjects: Agriculture; Biomedical and Life Sciences; Crop fields; Decision support systems; Ecotoxicology; Effluent standards; Freshwater; Fuzzy sets; Geoecology/Natural Processes; Geographic information systems; Hydrogeology; Hydrology/Water Resources; Life Sciences; Nitrogen; Nonpoint source pollution; Optimization; Oryza sativa; Remote sensing; Rivers; Soil Science & Conservation; Water quality; Water quality management; Watershed management; Watersheds; Japan, Honshu, Shiga Prefect; Japan; River water quality; Watershed management; Fuzzy sets; Pollutant load allocation; Decision support model

A fuzzy optimization model is developed to allocate allowable total nitrogen (T-N) loads to distributed nonpoint sources (NPSs) and point sources (PSs) in a watershed for river water quality management using the linear programing technique. The watershed is divided into uniform grid cells on which T...