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LEGAGE-OCEANOGRAPHY

THIS SI INFORMATION AND TERMS WE WILL USE IN THE OCEANOGRAPHY UNIT

Terms

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crutecenas
crabs, lobsters, shrimp
salinity
ammount of dissolved salt in water
hadal
deep sea regions below 20000 feet
Where in world can u find hotspots
hawaii
bore tide
high breaking wave that advances up as tide rises
primary dissolved minerals in ocean water
sodium chloride
continental slope
transition between shelf and deep ocean 4 degrees
trench
convergent plate boundary
tertiary consumer
top predator in food chain
tidal
at waters edge
Matthew Maury
HMS Challenger, spent 281 days at sea
mid-ocean ridge
divergent plate boundary, a mountain range under the ocean
HSM Resolution
Cook, 1st royal navy resolution class ballistic missile submarine
water vascular system
water filled system of tubes used for respiration
red tide
poliferation of marine plankton toxic and often fatal to fish
gyre
large cicular movement in water
saltwater marsh
dominated by vegetation, flooded with salt water
echidnoderms
starfish, sand dollar, sea urchin
bleaching
caused by periods od environmental stress
bathyl
continental slope 200-2000 meters
lagoon
body of water cut off from larger body by reef or sand or coral
continental shelf
shallow submerged portion of continent
mollusks
clams, mussels, squids
cnidaria
hydra, jellyfish, coral
plate techtonics
theory that the lithosphere is made up of plates that float on the athenosphere and that the plates posible are moved by convection currents
trench
deep crevice in ocean floor caused by subduction
river delta
landform where mouth of river flows into ocean
cetaceans
porpouse, dolphin, whale
continental rise
accumulation of sediment at base of slope
HMS beagle
Charles Darwin, made voyage to South america
abyssal hills
associated with sea-floor spreading
Ferdinand Magellan
First person to sail across Pacific
abyssal
light does not penetrate
fish
salmon, tuna
salt originates from
land
lateral line
series of pore like openings along side of fish
benthic
ocean bottom
passive margin
face divergent plate boundaries
causes ocean waves
wind
stenohaline
organism having limited salinity tolerance
sping tide
sun moon and earth are in line
sonar
measures depth of ocean
breach
leap upward through water surface
density
mass over volume
seamount
volcanic projection on ocean floor
tsunami
ocean wave generated by earthquakes on ocena floor
fetch
determines size of ocean waves
plankton
freefloating organisms unable to swim against current
producer
organism capable of producing its own food
oceanic ridge
divergent plate boundary
Main source of energy in the ocean
the sun
coarers
how samples of sediment are taken off floor
density currents
intrusion of denser fluid beneath lighter fluid.
bioluminescence
light produced by living organisms
tidal range
difference in height between mean lowtide and high tide
photosynthesis
food making process in plant cells
nekton
animals that can swim against current
upwelling
rising of coldwater to surface.
longshore current
current in surf zone moving parrallel to shore
bay
indentation of shoreline larger than a cove but small than gulf
next major ocean
red sea
continental drift
theory that states that there was a supercontinent that split into the continents of today
abyssal plain
flat featureless expanses of sediment covering ocean floor
neap tide
sun and moon are 90 degrees around earth
active margin
face convergent plate boundaries
pelagic
upper layers of ocean
rip tide
narrow flow of seawater that flows in opposing direction
guyot
flat-topped seamount
Captain James Cook
Found easter islands and Hawaii
volcanic island arc
convergent oceanic oceanic

Deck Info

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