Soil Moisture Accounting and Routing (SMAR)

Soil Moisture Accounting and Routing (SMAR) is a hydrological method used to simulate how rainfall and runoff move through a watershed. It accounts for how soil absorbs, stores, and releases water over time, influencing streamflow. The model predicts how much rain infiltrates the ground, how much becomes surface runoff, and how water travels through rivers to reach downstream locations. This helps in managing water resources, predicting floods, and planning for droughts, by providing a detailed understanding of the flow dynamics within a watershed.