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The following is a dynamic list of all of the device categories are being pulled from the deviceCategories web service using the URL https://data.oceannetworks.ca/api/deviceCategories?method=get&token=[YOUR_TOKEN_HERE]

The deviceCategoryCode values can be used as a filter on the locationsdevicespropertiesdataProducts and dataProductDelivery services. Filters on the deviceCategoryCodedeviceCategoryNamedescription and longDescription columns can be used to reduce the results returned from the deviceCategories service.

 

deviceCategoryCode deviceCategoryName description longDescription
ACCELEROMETER Accelerometer Accelerometer and Motion Sensor Accelerometers are instruments that measure accelerations. Acceleration can be static as the earth's gravity pulling objects toward the earth, or dynamic as caused by oscillatory movements of the instrument.
ACOUSTIC_RELEASE Acoustic Release Acoustic Release An acoustic release is an oceanographic device for the deployment and subsequent recovery of instrumentation from the sea floor, in which the recovery is triggered remotely by an acoustic command signal.
ACOUSTICRECEIVER Acoustic Receiver Acoustic Receiver Acoustic receivers detect and decode transmissions from acoustic tags. Receivers are categorized as passive or active which define how the receivers are used.
ADAPTER Adapter Instrument Adapter Instrument adapters connect a variety of sensors and instruments. Typically, these devices do not collect any data, and our digital infrastructure system does not communicate with them.
ADCP1200KHZ Acoustic Doppler Current Profiler 1200 kHz 1200 kHz Acoustic Doppler Current Profiler Acoustic Doppler Current Profilers (ADCP) are hydroacoustic instruments, similar to sonars. ADCPs measure current speed and direction at multiple predetermined depths simultaneously. ADCPs use the Doppler effect of sound waves that are scattered by particles in seawater over a depth range.
ADCP150KHZ Acoustic Doppler Current Profiler 150 kHz 150 kHz Acoustic Doppler Current Profiler Acoustic Doppler Current Profilers (ADCP) are hydroacoustic instruments, similar to sonars. ADCPs measure current speed and direction at multiple predetermined depths simultaneously. ADCPs use the Doppler effect of sound waves that are scattered by particles in seawater over a depth range. The travelling time of sound waves gives an estimate of distance, and the increase (blue shift) or decrease (red shift) in frequency is converted into water current velocities.
ADCP1MHZ Acoustic Doppler Current Profiler 1 MHz 1 MHz Acoustic Doppler Current Profiler Acoustic Doppler Current Profilers (ADCP) measure current speed and direction at multiple predetermined depths simultaneously. ADCPs are hydroacoustic instruments, similar to sonars. ADCPs use the Doppler effect of sound waves that are scattered by particles in seawater over a depth range.
ADCP2MHZ Acoustic Doppler Current Profiler 2 MHz 2 MHz Acoustic Doppler Current Profiler Acoustic Doppler Current Profilers (ADCP) are hydroacoustic instruments, similar to sonars. ADCPs measure current speed and direction at multiple predetermined depths simultaneously. ADCPs use the Doppler effect of sound waves that are scattered by particles in seawater over a depth range.
ADCP300KHZ Acoustic Doppler Current Profiler 300 kHz 300 kHz Acoustic Doppler Current Profiler Acoustic Doppler Current Profilers (ADCP) are hydroacoustic instruments, similar to sonars. ADCPs measure current speed and direction at multiple predetermined depths simultaneously. ADCPs use the Doppler effect of sound waves that are scattered by particles in seawater over a depth range.
ADCP400KHZ Acoustic Doppler Current Profiler 400 kHz 400 kHz Acoustic Doppler Current Profiler Acoustic Doppler Current Profilers (ADCP) are hydroacoustic instruments, similar to sonars. ADCPs measure current speed and direction at multiple predetermined depths simultaneously. ADCPs use the Doppler effect of sound waves that are scattered by particles in seawater over a depth range.
ADCP55KHZ Acoustic Doppler Current Profiler 55 kHz 55 kHz Acoustic Doppler Current Profiler Acoustic Doppler Current Profilers (ADCP) are hydroacoustic instruments, similar to sonars. ADCPs measure current speed and direction at multiple predetermined depths simultaneously. ADCPs use the Doppler effect of sound waves that are scattered by particles in seawater over a depth range. The travelling time of sound waves gives an estimate of distance, and the increase (blue shift) or decrease (red shift) in frequency is converted into water current velocities.
ADCP600KHZ Acoustic Doppler Current Profiler 600 kHz 600 kHz Acoustic Doppler Current Profiler Acoustic Doppler Current Profilers (ADCP) are hydroacoustic instruments, similar to sonars. ADCPs measure current speed and direction at multiple predetermined depths simultaneously. ADCPs use the Doppler effect of sound waves that are scattered by particles in seawater over a depth range.
ADCP75KHZ Acoustic Doppler Current Profiler 75 kHz 75 kHz Acoustic Doppler Current Profiler Acoustic Doppler Current Profilers (ADCP) are hydroacoustic instruments, similar to sonars. ACDPs measure current speed and direction at multiple predetermined depths simultaneously. ADCPs use the Doppler effect of sound waves that are scattered by particles in seawater over a depth range.
AISRECEIVER Automatic Identification Systems Receiver   Land-based AIS receivers provide data that track large ships and other marine vessels within range of the receiver. The data are used to monitor, understand and mitigate the impacts of marine shipping activities.
ALTIMETER Altimeter Altimeter Altimeters, or an altitude meters, measure the altitude of an object above a fixed level, i.e., the seafloor.
BARPRESS Barometric Pressure Sensor Barometric Pressure Sensor Barometric pressure sensors are used to monitor weather conditions above the surface of the water.
BARS Benthic and Resistivity Sensors Temperature and Resistivity Probe Benthic and Resistivity Sensors (BARS) collect measurements from hydrothermal vents, using a multitude of sensors.
BBES Benthic Biogeochemical Experiment System Benthic Biogeochemical Experiment System Filtered seawater is pumped into the reaction system through the centrifugal pump. Reaction starts by adding tracers through the peristaltic pump & valves.
BBS Broadband Seismometer Broadband Seismometer The Broadband Seismometers (BBS) measure seismic waves over a very broad frequency range (0.00278 Hz - 100 Hz). All BBSs also contain a strong accelerometer to detect events that exceed the range of the highly sensitive seismometers.
BEACON Beacon Tracking and Monitoring Beacon Beacons are installed to locate and track instruments, and are typically used during the recovery of subsea moorings. They can be satellite, radio, or Xenon models. With satellite beacons, when a mooring is released from the seafloor using an acoustic release, the location of a surfaced mooring is received by satellites that collect messages from a beacon. The messages and measured frequencies are relayed to processing centers via ground stations. The location of the transmitting beacon can be calculated accurately to within 150 metres. Similiarly, when radio beacons surface, they transmit a pulsing radio frequency signal, often VHF, that is detectable within a certain range. Surfaced Xenon models, or Flashers, emit a Xenon light flash that can be detected when within visual range.
BENTHICCRAWLER Benthic Crawler Wally monitoring and control parameters Benthic crawlers carry out detailed investigations of processes influencing gas hydrates evolution at the seafloor.
BHTL Borehole Temperature Logger Borehole Temperature Logger Borehole Temperature Loggers are instruments that record and store temperature data from a whole string of sensors. The sensors are spaced along a cable that extents hundreds of metres into a borehole drilled into the seafloor. The temperature measurements at various subseafloor depths are used to study the hydrology of the seafloor.
BIOFOULING Anti-Biofouling Device Anti-Biofouling Device Anti-biofouling devices are used to mitigate growth of micro-organisms, i.e., plants, algae, etc., on submerged structures.
BOTTOMPROFILER Sub-bottom Profiler Sub-bottom Profiler A sub-bottom profiler is an echosounder that penetrates deep beneath the seafloor. The backscatter data serves to identify and characterize layers of sediment or rock. The frequency influences the range and resolution. For instance, the CHIRP 3260 can support multiple frequencies, reaching depths up to 10 km.
BPR Bottom Pressure Recorder Bottom Pressure Recorder Bottom Pressure Recorders (BPR) are instruments that can detect small changes in pressure on the seafloor.
CAMERA_3D 3D Camera 3D Camera Underwater 3D cameras consist of numerous cameras strategically positioned to construct 3D or composite images of the marine environment.
CAMLIGHTS Camera Lights Camera Lights Camera lights are used to improve visualization of areas cameras are deployed. Devices for controlling lights allow for remotely-controlled operations from on-shore.
CAMSYSTEM Camera System Camera System Camera systems are comprised of cameras, plus ancillary devices like pan, tilt, lights, and lasers.
CDOM Coloured Dissolved Organic Matter Coloured Dissolved Organic Matter Fluorometer Coloured Dissolved Organic Matter (CDOM), or Chromophoric, is a component of dissolved organic matter (DOM) that is measured optically. CDOM fluorometers measure the intensity and wavelength distribution of an emission spectrum after excitation by a particular spectrum of light. These parameters detect the amount of CDOM because it absorbs short wavelengths ranging from blue to ultraviolet.
CHEMINI Chemical Miniaturized Analyzer In Situ Iron Concentration Measurement The In-Situ CHEmical MINIaturized (CHEMINI) analyzer measures dissolved chemical parameters in seawater including iron, nutrient salts and sulphur.
CO2SENSOR Carbon Dioxide Sensor Carbon Dioxide Sensor Carbon Dioxide (CO2) sensors monitor CO2 levels in the ocean, and how its concentration affects the marine environment. CO2 sensors measure the partial pressure, or the concentration of dissolved CO2 in seawater by a variety of techniques.
CORK Circulation Obviation Retrofit Kit Circulation Obviation Retrofit Kit Circulation Obviation Retrofit Kit (CORK) instruments seal the top of boreholes, to prevent circulation between the open hole and the ocean bottom water. CORKs monitor subseafloor hydrology by collecting in-situ pressure and temperature measurements from the formation deep below the seafloor.
COVIS Cabled Observatory Vent Imaging Sonar Cabled Observatory Vent Imaging Sonar System The Cabled Observatory Vent Imaging Sonar (COVIS) is a sonar system used to quantitatively image hydrothermal vents at the mid-ocean ridge.
CSEM Controlled Source Electromagnetic Method Controlled Source Electromagnetic Instrument The Controlled Source Electromagnetic Method (CSEM) measures sub-surface resistivity structure through the measurement of the electromegnetic fields resulting from stimulation by a towed source.
CTD Conductivity Temperature Depth Conductivity Temperature (and Depth Sensor) Conductivity Temperature Depth (CTD) is an abbreviated name for an instrument package that contains sensors for measuring the conductivity, temperature (for salinity), and pressure (for depth) of seawater. Salinity, sound velocity, and density are variables derived from sensor measurements. CTDs can carry additional instruments and sensors such as oxygen sensors, turbidity sensors and fluorometers.
CURRENTMETER Current Meter Current Meter Acoustic Current Meters (ACM) measure current speed and direction, using the Doppler Effect. The instrument transmits a short pulse of sound, and then listens to its echo to measure the change in pitch or frequency. The change in pitch can determine the velocity of the current.
DATALOGGER Datalogger Datalogger Data loggers, or recorder devices, are electronic devices that record data over time, or in relation to location, either with a built-in instrument or sensor or via external instruments and sensors, and are programmed with appropriate recording parameters.
DC90 Profiling Winch   A Profiling Winch is used to raise and lower a Buoy Profiling System, a prototype instrument package. The winch can be remotely operated on-shore.
DEPTH_TEMP Temperature and Depth Logger Combination Depth-Temperature Transmitter or Logger Temperature and Depth Loggers are instrument packages that contain sensors for measuring the temperature, and pressure of seawater. Depth is derived from sensor measurements.
DIVE_COMPUTER Dive Computer Dive Computer Dive computers are devices used by scuba divers to measure the time and depth of a dive.
DLRAD Campbell Scientific Datalogger Data Logging System for Radiometers Campbell Scientific Dataloggers are used on the BC Ferries SeaKeeper 1000 instrument system. The SeaKeeper system is installed on the BC Ferries Queen of Alberni vessel, which regularly crosses the Strait of Georgia from Duke Point, Nanaimo to the Tsawwassen Terminal in Delta, Vancouver. The system supports several oceanographic sensors including temperature, conductivity, oxygen, chlorophyll and turbidity sensors. A meteorological station is also mounted above water, on the upper deck of the vessel. The Campbell Scientific Data Logger supports data acquisition and data storage from the SeaKeeper 1000 sensor suite.
DRIFTER Drifter Buoy Drifter Buoy A drifter buoy floats on the sea surface and is used to investigate ocean currents and other parameters like temperature or salinity.
DSC Still Camera Still Camera Underwater still cameras are mainly used on Ocean Networks Canada for high resolution imaging on Remotely Operated Vehicles (ROV) during maintenance expeditions.
ECHOSOUNDERBIOA Echosounder, Bioacoustic Bioacoustic single beam echosounder Echosounders are used to measure acoustic backscatter as a proxy for detecting zooplankton, fish, bubbles or other particles in the water-column. An echosounder has one or more transducers which emit acoustic pulses at a particular frequency. When the pulses strike animals or other objects in the water, echoes are produced, which can be detected and converted by the transducers back into electrical signals. Software is then used to determine distances, sizes, concentrations and movements of organisms and other objects in the water. A public forum (www.fisheriesacoustics.com) is available to connect researchers around the world working in hydroacoustic data analysis and research.
ECHOSOUNDERHYDMB Echosounder, Hydrographic Multibeam Multibeam hydrographic echosounder Multibeam bathymetric echosounders acoustically map the seafloor. Typically mounted below a ship or ROV, they transmit a narrow fan of acoustic beams from a transducer. These beams are reflected by the seafloor contours and received by the instrument. The return signal angle and travel time are used to calculate the depth and position for points on the seafloor. Motion and heading sensors are used to compensate for the relative movement of the instrument.
ECHOSOUNDERHYDSB Echosounder, Hydrographic Single Beam Single beam hydrographic echosounder Single beam hydrographic echosounders provide precise measurements of depth to the seafloor. Typically mounted below a ship or ROV, they transmit pulses into the water. These pulses are reflected by the seafloor contours and received by the instrument. The return signal and travel time are used to calculate the depth and position of the seafloor.
FLNTU Fluorometer Turbidity Combined Fluorometer and Turbidity Sensor Fluorometer Turbitdity (FLNTU) instruments have a combination sensor that measures chlorophyll fluorescence and turbidity within the same volume of seawater. The instrument uses a light emitting diode (LED) to provide an excitation source. The fluoresced light is received by a detector at a particular angle from the LED source, and uses an interference filter, to discriminate against scattered excitation light. Turbidity is measured at the same time, by detecting scattered light from a LED, which is positioned at the same angle as the chlorophyll fluorescence.
FLUOROMETER Fluorometer Fluorometer Fluorometer instruments measure the amount of stimulated electromagnetic radiation (fluorescence) produced by pulses of electromagnetic radiation emitted into the water column. Typically, fluorometers will also monitor other parameters in seawater such as turbidity and chromophoric (or coloured) dissolved organic matter (CDOM).
GRAVIMETER Gravimeter Gravimeter Gravimeters (or gravity meters) measure the gravity field of the Earth with such a resolution that they can detect very small changes in the underlying or surrounding structures.
GTD Gas Tension Device Gas Tension Device Gas Tension Device (GTD) instruments measure total dissolved gas pressure. The total dissolved gas pressure in seawater is the sum of the partial pressures of all dissolved gases. The GTD works by equilibrating a small volume of air trapped behind a semi-permeable membrane that is resistant to seawater. When the air sample is isolated from hydrostatic pressure, the measured pressure is solely from the gases in the seawater. This internal pressure is measured using a very stable pressure sensor.
HYDROPHONE Hydrophone Hydrophone Hydrophones are devices containing transducers that convert underwater sound waves into electrical signals. They 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.
ICE_BUOY Ice Buoy Ice Buoy Ice buoys are used in Arctic and Antarctic regions to track ice movement and collect environmental data. Ice buoys can be geographically located with the Argos system or other satellite navigation receivers (e.g. GPS).
ICEPROFILER Ice Profiler Ice Profiler Shallow Water Ice Profiler (SWIP) instruments are upward looking single beam echosounders mounted on the ocean floor specialized to measure ice draft. They can estimate ice forces, determine the thickness of ice, and the detail of the underside of sea-ice.
IMGROTARYSONAR Imaging Rotary Sonar Fan-Shaped Single-Beam Sonar Rotating Azimuthally An imaging rotary sonar transmits a single fan-shaped beam at a given frequency, and provides a chromatic display that shows stronger echo returns as brighter colours than points with weaker echoes.
INTERNAL_DEVICE_MONITOR Internal Device Monitor Internal Device Monitor Device used to monitor the internal conditions of a another device or sensor. Internal Device Monitors are used to ensure proper functioning of the host instrument.
JB Junction Box Junction Box Junction Boxes supply power and communications to deployed instruments. Junction boxes have a number of serial and ethernet ports, including 400V ethernet ports that enable connections to other junction boxes and high-voltage instruments. Junction boxes can convert high voltages to lower voltages (15V, 24V or 48V) required by many instruments.
MBIOSENSOR Microbial Sensor Microbial Sensor Microbial sensors detect microbial activity in the seafloor sediment indirectly by measuring redox (reduction-oxidation) reactions. For instance, a microbial sensor package that was installed at Barkley Canyon in 2010 aimed to reveal the decomposition process occurring within the sediments. During certain periods of the year, production of organic matter in the upper water column increases and more food reaches benthic creatures as nutrients sink from surface. At Barkley Canyon, influx of organic matter occurs during the spring (April to May) and in the fall (August to October). Together with other co-located instruments, microbial sensors can improve our understanding of benthic ecosystems.
MBPROFILESONAR Multibeam Non-rotating Sonar Horizontally-Orientated Seabed Profiling Multibeam Sonar A multibeam non-rotating sonar transmits a pulse at a certain frequency along a number of narrow beams. The sonar processor looks at the return signal for each pulse and decides where along that pulse return time lays the strongest return, giving a single point in space, i.e., water depth.
MBROTARYSONAR Multibeam Rotary Sonar Multibeam Sonar Rotating Azimuthally Multibeam rotary sonars measure water depth along several tracks parallel to the platform track by timing pulses of sound reflected on the seafloor. Multibeam rotary sonars can monitor their environment in all directions. Mounted on a platform, a multibeam transducer rotates at fixed increments and intervals to survey up to 360 degrees.
METHSENSOR Methane Sensor Methane Sensor Methane sensors measure the concentration of dissolved methane in the seawater. These sensors are protected against sea water and pressure by a silicone membrane. Gas molecules diffuse through the membrane and into the detector chamber. Diffusion occurs along the partial pressure gradient that exists between the chamber and the ambient water. The concentration of methane in the chamber is then compared to the concentration in the surrounding water.
METSTN Meteorological Station Meteorological Station Meteorological stations are instruments that makes routine meteorological measurements on the atmosphere, typically air pressure, temperature and humidity
MVP Moving Vessel Profiler Moving Vessel Profiler The Moving Vessel Profilers (MVP) are instruments that collect data sets from deep and shallow water. The MVP system includes a winch, deployment system and a device called a free fall fish. The winch and deployment system allows the free fall fish to be released from a vessel while it is moving. Once deployed, the free fall fish is an autonomous device that carries a variety of sensors and collects data as it swims around the water column.
NAV Navigation Measures latitude, longitude, speed over ground and ship course Navigational instruments are used to measure and record positional information of ships and AUVs. Typical sensors include latitude, longitude, speed, and heading.
NITRATESENSOR Nitrate sensor Nitrate Sensor Nitrate sensors measure the concentration of nitrate, a major nutrient for phytoplankton.
NODE Node Node Nodes are underwater structures that interface between the backbone fibre-optic cable and extension cables to various platforms.
OCEANOGRAPHICRADAR Oceanographic Radar System Oceanographic Radar System Oceanographic radars measure the ocean surface currents and waves in near real-time, by timing reflected radio waves, and contribute to an accurate prediction of severe weather conditions.
ORIENTATION Orientation Orientation Orientation instruments are used on ships, ROVs and instrument packages to record variables like heading, pitch and roll.
OXYSENSOR Oxygen Sensor Oxygen Sensor Oxygen sensors measure dissolved oxygen concentration in seawater.
PARTANALYZER Particle Analyzer Particle Size Distribution Analyzer Particle Analyzers measure the size spectrum of particles suspended in it.
PHSENSOR pH Sensor pH Sensor pH sensors measure the acidity or alkalinity of sea water by the concentration of hydrogen ions in the water column.
PIEZOMETER Piezometer Formation Pressure (and Temperature) Sensor Piezometers measure pore fluid pressures in shallow marine sediments.
PLANKTONCAMSYSTEM Plankton Camera System Plankton Camera System Plankton Camera Systems are used to study particles and zooplankton simultaneously by quantifying them in a known volume of water.
PLANKTONSAMPLER Plankton Sampler Plankton Sampler Plankton Samplers collect samples of plankton from the water column in a time series. Samples are analyzed upon the recovery of the instrument, to provide qualitative and quantitative information about plankton in the water column.
PLATFORM Platform Platform A structure or vehicle to which can be attached sensors or other platforms. A platform may be stationary or moving, and has an associated local coordinate frame that can be referenced to an external coordinate reference frame. The geospatial position and orientation of its sensors are often derived from the platform on which is mounted.
POCAM Precision Optical Calibration Module Precision Optical Calibration Module Used for the Strings for Absorption Length in Water (STRAW) project. The POCAM will provide in-situ calibrated, isotropic, nanosecond light flashes in the range of 380 to 600 nm.
POWER_SUPPLY Power Supply Power Supply Devices that provide power to associated networked devices.
PPPFLT Precise Point Positioning - Float Precise Point Positioning system processor - Float solution These precise point positioning processors are modules as part of an aggregate systems for the Early Earthquake Warning installations. Within these processors, specially designed Kalman filters are applied to GNSS and accelerometer input data. The processors output supports epicentre location and magnitude estimates for the larger earthquake detection system. This category corresponds to the floating point ambiguity resolution (AR) stream.
PPPINT Precise Point Positioning - Integer Precise Point Positioning system processor - Integer solution These precise point positioning processors are modules as part of an aggregate systems for the Early Earthquake Warning installations. These processors apply specially designed Kalman filters to GPS and accelerometer input data. Its output serves the larger earthquake detection system. This category corresponds to the integer ambiguity resolution (INT) stream.
PPPORB Precise Point Positioning - Orbits Precise Point Positioning system processor - Broadband/Orbits solution These precise point positioning processors are modules as part of an aggregate systems for the Early Earthquake Warning installations. These processors apply specially designed Kalman filters to GPS and accelerometer input data. Its output serves the larger earthquake detection system. This category corresponds to the broadband orbits (ORB) stream.
PRES Pressure Gauge Pressure Gauge Pressure gauges are used to measure seafloor pressure.
PROFILESONAR Profiling Sonar Digital Profiling Sonar A profiling sonar transmits a pulse at a certain frequency along a beam. The sonar processor looks at the return signal for each pulse and decides where along that pulse return time lays the strongest return, giving a single point in space.
PTL Pan Tilt Lights Pan Tilt Lights Pan Tilt Lights are used for cameras deployed throughout the observatories. They allow for remotely-controlled operations from scientists on-shore.
PVCS Pump and Valve Control System Pump and Valve Control System The Pump and Valve Control System (PVCS) is a concept being developed by the Marine Operations group at ONC. It will oversee the operation of a pump and a set of valves while providing feedback using various sensors.
PYRANOMETER Pyranometer Meteorological Radiometer for Short Wave Irradiance Meteorological radiometers measure electromagnetic radiation in the atmosphere. Pyranometers measure broadband solar irradiance on a plane surface.
PYRGEOMETER Pyrgeometer Meteorological Radiometer for Long Wave Irradiance Meteorological radiometers measure electromagnetic radiation in the atmosphere. Pyrgeometers which measure infrared (IR) radiation.
RADIOMETER Radiometer Hyperspectral Radiometer Radiometers collect measurements of electromagnetic radiation in the ocean environment.
RAIN_GAUGE Precipitation Gauge A tipping-bucket rain gauge that monitors rainfall in metric units Precipitation gauges measure the rate of fall or the integrated amount of precipitation including rain, sleet, snow, or hail.
ROV_CAMERA Remotely Operated Vehicle Camera ROV Video Camera Remotely Operated Vehicle (ROV)-mounted video cameras serve two purposes. 1. monitor organisms (e.g. composition, abundance, behaviour, interactions), characteristics of seafloor geology and changes over time. 2. Operators use cameras for instrument operations, navigation, and maintenance procedures.
SDOM Digital Optical Module Digital Optical Module Used for the Strings for Absorption Length in Water (STRAW) project. The SDOM will detect light flashes from the POCAMs. The optical water properties can be deduced based on the detected light intensity and timing.
SEDTRAP Sediment Trap Sediment Trap These instruments use a conical-shaped trap to guide settling particles into a sample bottle (~20 bottles is typical). Bottles are rotated when remotely triggered by a user or a set schedule. The Sediment Trap records operational conditions during the deployment including the sample date, time, and temperature during each sampling event. Upon instrument recovery, the samples are brought back to a lab for analysis of particle flux and composition over time.
SERVER Server ONC internal server  
SOUND_SPEED_SENSOR Sound Speed Sensor Sound Speed Sensor The sound speed in water, such as at the ocean surface or surrounding an ROV, is measured by sensors that use “time of flight” technology to provide low noise, high accuracy and high resolution data. Time of Flight (TOF) describes various methods and sensors that measure the time it takes for an object, particle or wave to travel a distance through a medium. Sound speed sensors are often installed on ships flow-through systems and on ROVs. The resolution of the sound velocity sensor on the ROPOS navigation system is 0.001m/s with an accuracy of +/- 0.017m per second.
SPS Short Period Seismometer Short Period Seismometer The Short Period Seismometers (SPS) installed at the Endeavour site of the NEPTUNE observatory are compact, low-power, low-noise, ground velocity sensors with a typical bandwidth of 1 to 200 Hz. Data from the seismometers are directed to the Incorporated Research Institutions for Seismology (IRIS) and the Geological Survey of Canada National Seismograph Network. The array of SPS instruments is designed to monitor local seismicity on the Endeavour Segment of the Juan de Fuca Ridge.
SUSPENDED_SEDPROFILER Suspended Sediment Profiler Suspended Sediment Profiler These devices are used in sediment transport studies, including measurement of suspended sediment profiles, precision altimetry, dredge plumes and turbulence. .
TARRAY Temperature Array Temperature Array Temperature arrays are instruments that have multiple temperature sensors that are connected, but spatially distributed in a region of interest, such as the flanks of hydrothermal vents or around gas hydrate mounds. Specific details like spacing and sensor specifications vary.
TEMPHUMID Air Temperature and Humidity Sensor Air Temperature and Humidity Sensor Air temperature and humidity sensors are used to monitor weather conditions above the surface of the water and are attached to meteorological stations. Air temperature is an important parameter to measure, because it affects wind speed and direction, relative humidity, the rate of evaporation and precipitation in the atmosphere. Air temperature is measured in numerous ways including thermistors, thermocouples and mercury thermometers. Humidity is the amount of water vapour in the air and can indicate precipitation, dew or fog. Humidity is typically measured as absolute humidity (the water content of air), relative humidity (measures the current absolute humidity relative to maximum for that temperature), or specific humidity (as a ratio of water vapour content to the total air content based on a mass).
TEMPOMINI Tempo-Mini Controller TEMPO-mini monitoring and control parameters Tempo-Mini (an instrument package developed and designed by IFREMER) is controlled by two Barix Barionets. These are universal data collection and communication devices configured for this system.
TEMPSENSOR Temperature Sensor Temperature Sensor Temperature sensors measure water or ground temperatures.
TILTMTR Tiltmeter Tiltmeter Instrument that is sensitive to deformations that result in small changes from the vertical level of the medium that it is coupled to.
TRANSMISSOMETER Transmissometer Transmissometer A transmissometer measures the transmission of light through seawater. Parallel rays of light in a particular spectral band (e.g., 660 nm, red) are emitted from a source towards a light detector a set distance away. The fraction of light received is converted to a beam attenuation coefficient.
TSG Thermosalinograph Thermosalinograph Thermosalinographs collect data about the sea surface via flow-through systems that move over water on a vessel. Often, they are mounted near the front of the vessel in order to minimize contamination. Primary variables measured are temperature and conductivity, and other variables like salinity and density are derived.
TURBCHLFL Turbidity, Chlorophyll and Fluorescence Turbidity, Chlorophyll and Fluorescence Instruments like the WetLabs ECO Triplet allow for a combination of optical measurements. These instruments on the VENUS observatory have been special-ordered to measure turbidity, chlorophyll and CDOM fluorescence in seawater.
TURBIDITYMETER Turbidity Meter Turbidity Meter Turbidity is an optical characteristic or property of a liquid, which in general terms describes the clarity, or haziness of the liquid. Turbidity meters are sensors that detect scattered light from suspended particles in water. The amount of scattered light that reaches the detector is proportional to the turbidity or particle concentration in the water.
UCRDS Underwater Cavity Ring-down Spectroscopy Underwater Cavity Ring-down Spectroscopy Underwater Cavity Ring-Down Spectroscopy (UCRDS) is a highly sensitive optical spectroscopic technique that enables detection of trace gases in water by measuring the change of the monoexponential ring-down time attributable to the additional optical loss of an absorbing gaseous species present in the sample cavity.
UURS Underwater Ultraviolet Raman Spectrometer Underwater Ultraviolet Raman Spectrometer The Underwater Ultraviolet Raman Spectrometer(UURS) is a sensor used to measure concentrations of dissolved chemicals directly from their ultraviolet absorption spectrum. A variety of chemicals absorb light in the UV and each of these chemicals has a unique absorption spectrum. We can determine the concentration of these chemicals directly, with no chemical manipulation, by measuring the absorption spectrum of seawater in the UV and then deconvolving the spectra to yield the concentration of each component.
UWVOLTAMMETRICSYSTEM Underwater Voltammetric System Underwater Voltammetric System Filtered seawater and reagents are pumped into the voltammetric system through hydraulic relief system. The current produced from the reaction is measured for the calculation of the concentration of each ion.
VIDEOCAM Video Camera Video Camera Video cameras within Ocean Networks Canada are mainly deployed at fixed-locations at the seafloor (with the exception of one above-ground camera in Cambridge Bay mounted above ground), and on mobile platforms underwater (e.g., Wally). Scientists monitor organisms (e.g. composition, abundance, behaviour, interactions), characteristics of seafloor geology and changes over time. Systematic surveys are conducted on fixed and mobile cameras. .
VPBASE Vertical Profiler System Base Vertical Profiler System Base Ocean Networks Canada has an Off-Shore Profiling System (also known as the Vertical Profiler System). It is a mobile instrument platform that consists of a seafloor base unit and an instrument package that floats on a tethered cable. A winch on the base unit raises and lowers the instrument package. Cable spooled from the base is long enough for the instrument package to extend to the surface, collecting data throughout the water column.
VPINST Vertical Profiler Instrument Package Vertical Profiler Instrument Package Ocean Networks Canada has an Off-Shore Profiling System (also known as the Vertical Profiler System). It is a mobile instrument platform that consists of a seafloor base unit and an instrument package that floats on a tethered cable. Numerous instrumentsare mounted to monitor oceanic variables including: salinity, temperature, dissolved gases and nutrients, irradiance, currents, plankton and fish concentrations, and marine mammal movements.
WATERSAMPLER Water sampler Water Sampler Water samplers are devices that collect physical samples of fluid. They can be remotely triggered, either manually or automatically, with a set schedule. Upon recovery, the fluid-filled containers can be processed to determine their chemical and biological constituents.
WAVE_BUOY Wave Buoy Wave Buoy Wave buoys provide measurments of the wave conditions. Measurements include wave height, period, direction, and spread.
WETLABS_WQM Water Quality Monitor Water Quality Monitor Water Quality Monitors (WQM) have sensors to measure temperature, salinity, depth, dissolved oxygen, chlorophyll fluorescence, turbidity and backscattering data. The WQM incorporate technologies from two manufacturers, WET Labs and Sea-Bird. To reduce fouling and growth of marine organisms, WQM also have features such as a Bleach Injection System (BLIS), bio-wipers, and passive inhibitors that allow extended deployments up to one year. WQMs provide comprehensive data used to track subtle changes in coastal and inshore marine systems. WQM have been installed in local settings such as Mill Bay, as well as the frigid Arctic waters of Cambridge Bay.
WINDMONITOR Wind Monitoring System Wind Monitoring System Wind monitoring systems measure the speed and direction of wind. RM Young wind systems have four-blade propellers that convert the mechanical rotation into an AC sine wave voltage signal. They are capable of measuring wind speeds up to 100 m/s. WindSonic is a 2-axis ultrasonic wind sensor, providing wind speed and direction data.
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