“…Therefore, three separate data sources were used in model building/evaluation to maximize the amount of information available to the classification algorithm. The number of data points used in the current study lies within the number of points used for other coastal Sentinel-2 studies ranging from <150 (e.g., Fauzan et al, 2017;Poursanidis et al, 2019) to >1,000 (e.g., Traganos et al, 2018;Yucel-Gier et al, 2020).…”