Hourly acoustic presence of Cuvier’s beaked whales and anthropogenic signals near Guadalupe Island, México
Trickey, Jennifer (2022), Hourly acoustic presence of Cuvier’s beaked whales and anthropogenic signals near Guadalupe Island, México, Dryad, Dataset, https://doi.org/10.6076/D1D011
This dataset was used to examine the acoustic presence of Cuvier's beaked whale (Ziphius cavirostris) echolocation clicks, hull-mounted ultrasonic antifouling devices, shipboard echosounders, and motorized vessel noise from underwater acoustic recordings collected at Guadalupe Island, México.
Passive acoustic monitoring was conducted at Guadalupe Island, México from November 19, 2018 to October 3, 2020, with 683 days of total recording effort, using a High-frequency Acoustic Recording Package (HARP). The HARP was bottom-mounted and deployed to a depth of approximately 1,100 meters, with a calibrated hydrophone suspended ~30 meters above the seafloor. Data were sampled continuously at a 200 kHz sampling rate with 16-bit quantization, effectively monitoring a frequency range of 10 Hz – 100 kHz. Beaked whale echolocation pulses were identified using an automated click detector followed by expert analyst review, and anthropogenic sound sources were manually detected. The start and end times of each encounter were logged, and their durations were summed to calculate hourly acoustic presence of each signal type over the full timeseries.
Please view the README.txt file for more information.
Office of Naval Research
Comisión Nacional de Áreas Naturales Protegidas