Mathematical Modeling of Marine Oil Spills in the Luanjiakou District, near the Port of Yantai

Figure 4

Schematic diagram of the local search method (red circular area for the search range, pink point for the circle center, yellow point for the search node, yellow arrow for the search radius, blue solid line for the contour line of an oil slick in the previous moment, and blue dashed line for the contour line of an oil slick in the present moment).