FIG. 2. (a) Sediment samples from a well located 18 m from the center of the field site (d10, d50 and d90 are the 10th, 50th and 90th percentile of the grain size distribution; data were provided by Copenhagen Energy); and (b–c) well logs conducted at the field site. GPR1, 2, 3, and 4 refer to the ground penetrating radar boreholes in Fig. 1.