Or What do we use to study the marine world?. Physical Properties Secchi Disk measures...
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![Page 1: Or What do we use to study the marine world?. Physical Properties Secchi Disk measures turbidity/visibility turbidity - cloudiness due to the amount of.](https://reader030.fdocuments.us/reader030/viewer/2022032415/56649efe5503460f94c12d30/html5/thumbnails/1.jpg)
Or What do we use to study the marine world?
![Page 2: Or What do we use to study the marine world?. Physical Properties Secchi Disk measures turbidity/visibility turbidity - cloudiness due to the amount of.](https://reader030.fdocuments.us/reader030/viewer/2022032415/56649efe5503460f94c12d30/html5/thumbnails/2.jpg)
Physical PropertiesSecchi Disk
measures turbidity/visibility
turbidity - cloudiness due to the amount of suspended matter in the water (soil, sediments, sewage, and plankton)Clear - low turbidityCloudy - high turbidity
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Biological PropertiesDip Net
retrieves a variety of samples from the water
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Physical PropertiesHydrometer measures density & temperature, used to find salinity
HYDROMETER
![Page 5: Or What do we use to study the marine world?. Physical Properties Secchi Disk measures turbidity/visibility turbidity - cloudiness due to the amount of.](https://reader030.fdocuments.us/reader030/viewer/2022032415/56649efe5503460f94c12d30/html5/thumbnails/5.jpg)
Physical PropertiesNiskin / Nansen Bottle
obtains water samples at a variety of depths
NISKIN BOTTLE
![Page 6: Or What do we use to study the marine world?. Physical Properties Secchi Disk measures turbidity/visibility turbidity - cloudiness due to the amount of.](https://reader030.fdocuments.us/reader030/viewer/2022032415/56649efe5503460f94c12d30/html5/thumbnails/6.jpg)
Biological PropertiesSediment Screen
used to screen sediments for macro invertebrates
![Page 7: Or What do we use to study the marine world?. Physical Properties Secchi Disk measures turbidity/visibility turbidity - cloudiness due to the amount of.](https://reader030.fdocuments.us/reader030/viewer/2022032415/56649efe5503460f94c12d30/html5/thumbnails/7.jpg)
Physical PropertiesShipek/Peterson Grab
take a sample of the ocean bottoms
![Page 8: Or What do we use to study the marine world?. Physical Properties Secchi Disk measures turbidity/visibility turbidity - cloudiness due to the amount of.](https://reader030.fdocuments.us/reader030/viewer/2022032415/56649efe5503460f94c12d30/html5/thumbnails/8.jpg)
Physical Properties
CTD measures
conductivity, temperature & depth
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GPSProvide radio-
navigation system giving every place on Earth an address
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Biological PropertiesPlankton Net
net towed or dipped to gather plankton samples
![Page 11: Or What do we use to study the marine world?. Physical Properties Secchi Disk measures turbidity/visibility turbidity - cloudiness due to the amount of.](https://reader030.fdocuments.us/reader030/viewer/2022032415/56649efe5503460f94c12d30/html5/thumbnails/11.jpg)
Research VesselsResearch
submersibleCan carry
passengersReach depths
of 14,764 ft.Maneuverable
arms, 3 portholes
ALVIN
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Physical PropertiesThermometer
measures & records temperature at a particular depth
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Research VesselsTrieste – first bathyscaphe to
descend 35,600 ft to the bottom of the Mariana Trench