Hydrophone instruments include high frequency (10 to 200,000 Hz) and low frequency (0.1 to 1600 Hz) models. Hydrophones are acoustic instruments that can process data while they are being collected to produce calibrated waveform data. Hydrophones are typically used to study vocalizations of marine mammals, ship traffic and ambient noise.
Hydrophone data at sites like Folger Deep and Strait of Georgia are used to detect vocalizations, which are examined to study seasonal shifts in cetacean populations. Whale songs are detectable by hydrophones from tens to hundreds of kilometres away from the source. Species (such as orcas) and sub-populations (such as resident, transient or offshore orcas) are identified by their unique calls.
Individual instruments of the above category, which are (or have been) connected to our observatories. Click an instrument for detailed information.
|Ocean Sonics icListen HF Hydrophone 1376||Ocean Networks Canada Offices|
|Ocean Sonics icListen HF Hydrophone 1560||Strait of Georgia East Node|
|Ocean Sonics icListen HF Hydrophone 1561||Endeavour|
|Ocean Sonics icListen LF Hydrophone 203||Marine Technology Centre|
|Ocean Sonics icListen LF Hydrophone 215||Marine Technology Centre|
|Ocean Sonics icListen LF Hydrophone 216||Marine Technology Centre|
|Ocean Sonics icListen LF Hydrophone 223||Marine Technology Centre|
|Ocean Sonics icListen LF Hydrophone 224||Marine Technology Centre|
|Song Meter SM2M Hydrophone SN 681520||Ocean Networks Canada Offices|
Click the instrument categories below for descriptions and lists of instruments belonging to that category.