PALAOA Spectrogram Loading

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Typical sounds you may hear in Atka Bay in May: Animals: Weddell Seals (chirps and trills), Blue Whales (chorus at 19-27Hz and pulses ~10Hz), Fin Whales (chorus line 98 Hz), Killer Whales (clicks and whistles 2000-20000 Hz), Humpback Whales (no songs, only short calls); Environment: Calving Ice Shelf (small splashes or roaring thunder), Sea Ice (whining), Passing Icebergs (screaming, crying, breathing and explosive sounds), Storms (broadband hiss), Earthquakes (low frequency roaring <100Hz); Human: RAFOS Source (260 Hz tone at 00:52 UTC); Unknown Sound Sources: The Bioduck (100-300 Hz pulse trains); Natural Electromagnetic Interference: Sfreics (clicks above 10000 Hz), Discharges during snow drift (broadband clicks); Technical Crosstalk: Switching Relays (click every full hour), Wind Charger, Data Transmissions (all kind of annoying noises), Timestamps (click and buzz every 10 minutes); All data © AWI 2012