Figure 7

ROC curves (top), and precision-recall curves (bottom) for Bm-Ant-A; Bm-Ant-B; Bm-Ant-Z spectrogram correlation detector (left) and Bp-20 energy detector (right). Sites with fewer than 30 detections of Bp20 (Maud Rise 2014, Greenwich64S 2015, Casey 2014, Ross sea 2014) are not shown.