OCEANOGRAPHY TOOLS Some of the types of equipment

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OCEANOGRAPHY TOOLS Some of the types of equipment oceanographers use to do research.

OCEANOGRAPHY TOOLS Some of the types of equipment oceanographers use to do research.

GRAVITY CORE • The most basic • sampling device used to collect core samples

GRAVITY CORE • The most basic • sampling device used to collect core samples from the seafloor. It penetrates up to 10 meters into the sediment.

SECCHI DISK • Used to estimate the • transparency of seawater. Can give a

SECCHI DISK • Used to estimate the • transparency of seawater. Can give a relative measure of productivity or turbidity.

DIP NET • Useful for scooping up seaweed, jellyfish and other drifting organisms from

DIP NET • Useful for scooping up seaweed, jellyfish and other drifting organisms from docks or the side of a vessel.

SEDIMENT SIEVES • Used to analyze sediment grain size composition.

SEDIMENT SIEVES • Used to analyze sediment grain size composition.

PLANKTON NETS • A fine mesh net. • Collects small plant • and animal

PLANKTON NETS • A fine mesh net. • Collects small plant • and animal plankton. Typically towed behind or to the side of a vessel.

NEUSTON NET • Used to collect organisms and other particulates from the surface to

NEUSTON NET • Used to collect organisms and other particulates from the surface to about 1 ½ feet down.

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• http: //www. youtube. com/watch? v=k. ZGJT dbdv. O 4&feature=channel

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• http: //www. youtube. com/watch? v=REf 6 p 5 Jsl. Kc&feature=channel

NISKIN BOTTLE • Used to collect • water samples from specific depths. The “messenger”

NISKIN BOTTLE • Used to collect • water samples from specific depths. The “messenger” triggers the valves to close.

CAROUSEL • A device used for • deploying multiple sensory devices at one time.

CAROUSEL • A device used for • deploying multiple sensory devices at one time. Devices may include: oxygen sensors, niskin bottles, salinometers, conductivity meters, depth sensors, etc…

HYDROPHONE • A microphone for acoustic measurements in fluids.

HYDROPHONE • A microphone for acoustic measurements in fluids.

BOTTOM (SHIPEK) GRAB SAMPLER • Used to take samples • from off the ocean

BOTTOM (SHIPEK) GRAB SAMPLER • Used to take samples • from off the ocean floor. Sediment, as well as any organisms on the substrate will be collected when it closes.

DREDGE • Used to catch • organisms living on the ocean floor and right

DREDGE • Used to catch • organisms living on the ocean floor and right above it. Towed behind the vessel.

HYDROMETER • Device used to • measure the densities of liquid and solutions. Salinity

HYDROMETER • Device used to • measure the densities of liquid and solutions. Salinity levels are determined with this instrument.

GLOBAL POSITIONING SYSTEM (GPS) • A worldwide radio- navigation system that uses satellites to

GLOBAL POSITIONING SYSTEM (GPS) • A worldwide radio- navigation system that uses satellites to triangulate your location on earth.

ROV’S (Remotely Operated Underwater Vehicles) • Unoccupied, highly maneuverable underwater robots operated by a

ROV’S (Remotely Operated Underwater Vehicles) • Unoccupied, highly maneuverable underwater robots operated by a person aboard a surface vessel.

TUCKER TRAWL • Used to collect • samples at various depths. Insures that only

TUCKER TRAWL • Used to collect • samples at various depths. Insures that only what is caught in the net is at the specified depth. • http: //www. youtub e. com/watch? v=qh 5 x. Oh. GBK 0 A