Introduction to SWAT +, A Completely Restructured Version of the Soil and Water Assessment Tool

Abstract SWAT + is a completely restructured version of the Soil and Water Assessment Tool ( SWAT ) that was developed to face present and future challenges in water resources modeling and management and to meet the needs of the worldwide user community. It is expected to improve code development and maintenance; support data availability, analysis, and visualization; and enhance the model's capabilities in terms of the spatial representation of elements and processes within watersheds. The most important change is the implementation of landscape units and flow and pollutant routing across the landscape. Also, SWAT + offers more flexibility than SWAT in defining management schedules, routing constituents, and…