Modeling of a healthy river boundary

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Abstract
The concept used in river management as an effort to prevent flooding is one of them with the concept of hydraulic engineering, namely non-structural river management through efforts to restructure river banks as inundation areas. This concept is carried out by integrating the ecological and hydraulic components of the river. Ecological components on river banks can be used as hydraulic retention components that hold water flow so that flooding occurs on river banks. With the presence of puddles on the banks of the river, the ecological quality of the river can be maintained. Develop a river boundary determination model by optimizing the width of river banks. Maros River boundary with a distance of 50 meters from the edge of the riverbed which is the River Utilization Area. There is a meander or river bend that is quite sharp, that is, at Sta. 20 + 00 to Sta. 23 + 00 so the determination of the alignment follows the outer arch.