Fig. 2: Local ice thickness is measured by an ice profiler next to the ONC hydrophone (note the slight data gaps, for example in spring 2021).
From: Marine soundscapes of the Arctic and human impacts: going beyond the “shipping bands”
Grey bars show their monthly means. They are compared with the number of AIS entries each month (thick black line), and the number of days each month when AIS shipping was present in the area around Cambridge Bay.
