Transcript of Chemistry Tools CTD (conductivity temperature depth) Thermometers Bucket Reversing...
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- Chemistry Tools CTD (conductivity temperature depth)
Thermometers Bucket Reversing Bathythermograph pH pH meter Chemical
test
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- Chemistry Tools Oxygen concentration Winkler titration Oxygen
probe Salinity Hydrometer Set measures temp too Knudsen titration
Not very accurate Salinometer Electric and expensive
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- Chemistry Tools Radiometer Electromagnetic radiation Temp and
satellites SPMD (Semi Permeable Membrane Device) Hydrophobic
organic compounds
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- Bottle Samplers Van Dorn (Messenger) Uses messenger Surface
Sampler JZ Bacteriological (messenger) Sterile Niskin Bottle
(messenger) Nansen modified by Shale Niskin
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- Bottle Samplers Nansen Bottle (messenger) Reverses 180* Rosette
Sampler 12 to 36 bottles Center has other instrument
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- Ship Technology Altimeter Height Barometer Air pressure
Velocity Profiler Speed Gyrocompass Direction SCS NOAA
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- Ship Terminology
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- Types of data Continuous Ongoing (mainly driving the ship)
Event Moments (test taking) Raw Directly from observation tools
Derived Derived from other raw data
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- Currents Drift Bottle Pollution Current meter speed Current Dye
biodegradable Drifter Transmits location/conditions
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- Currents Drogue Pollution Rare Drift Card Just under surface
pollution Swallow float Tracked Specific depth
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- Biological tools Suction sampler(critter getter) vacuum
D-Sampler Detritus and small organisms Deck Plankton Collector Pump
from boat Succession Plate Set for a period of time
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- Biological tools Sedgwick-rafter plankton counting chamber
estimate Folsom Plankton splitter Put in a drum and split Standard
Plankton net Towed horizontally or vertically
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- The deep Sounder depth Fathometer SONAR (Sound Navigation And
Ranging) Bottom corer Samples sediment
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- Dredges and grabs Biological dredge Rocky bottom destructive
Petersen grab Rocky or soft bottom (free fall) Ekman Grab Soft
bottom only (messenger)
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- Tools Messenger Triggers many tools Wash Bucket cleans
Surveying equipment Tells beach profile Secchi disk clarity
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- Tools Forel Ule Scale Clarity Sonde Many Recordings Transects
Reference point Quadrats Counting in an area
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- Satellites Sea-sat A 1978 Ocean temp Nimbus 7 (CZCS) 1978-86
Ocean color Geosat 1985-1989 Ocean level height
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- Satellites Topex-Poseidon France-US 1992-2005 Sea level height
NASA Scaterrometer (NSCAT) 1996-today Atmospheric winds and ocean
waves SeaStar/SeaWIFS 1997-2010 Ocean Color
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- Satellites QuikSCAT/Sea Winds 1999-today Atmosphere winds and
ocean waves Terra 1999-today Earths climate Jason-1 2001-today
France-US (replaced Topex) Sea level height
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- Satellites GRACE Germany-US 2002-today Ocean currents, sea
level, climate change Aqua Japan-US-Brazil 2002-today Water cycle,
and climate change ICESat 2003-today Ice sheet growth/retreat
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- Satellite terminology GOES(Geo-Stationary Operational
Environmental Satellite) Geosynchronous, stays at one point
POES(Polar Operational Environmental Satellite) Sun-synchronous,
same place-same time
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- Satellite Technology AVHRR (Advanced Very High Resolution
Radiometer) Takes 2048 pixel pictures to determine ocean color GPS
(Global Positioning System) Ship navigation