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Sound recordings and echolocation logs from Tuxedni Bay and Chinitna Bay, Cook Inlet, Alaska, September 2021 to September 2022

Published by Alaska Fisheries Science Center | National Oceanic and Atmospheric Administration, Department of Commerce | Catalog Last Checked: August 03, 2026 at 12:04 AM | Dataset Last Updated: January 01, 2021 at 12:00 AM
Sound recordings were made in Tuxedni Bay and Chinitna Bays, Cook Inlet, Alaska. These recordings (files.wav) were made from ST-600HF sound recorders (Ocean Instruments NZ) programmed to sample on a duty cycle of 5 minutes on and 10 minutes off with a sampling rate of 48 kHz. Echolocation logs (files.FP1) from F-POD echolocation loggers (Chelonia Ltd.) sampled the frequency range of 40 to 160 kHz on a continuous basis from May to September and on a duty cycle of 1 minute every 2 minutes from October to April. Species recorded include harbor porpoise, beluga whales, killer whales, and humpback whales.

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