Partial preview of the text
Download Oceanography and Marine Biology Key Terms and Definitions and more Quizzes Oceanography in PDF only on Docsity!
HMS Challenger sailed from Portsmouth in...
TERM 2
One of the greatest early oceanographers was
an American who organized a worldwide
oceanographic data collection system that is
DEFINITION 2
Matthew Maury
TERM 3
At the present time sea level is...
DEFINITION 3
5mm per year
TERM 4
The continental shelves are
DEFINITION 4
all of the above
TERM 5
the early oceans on the earth were quite
different chemically from the present oceans
because they lack
DEFINITION 5
free oxygen
what is pangaea, when did it form, when did
it break apart
a super continent late paleozoic triassic time (200 million
years ago)
TERM 7
what percentage of the earth's surface
constitutes teh true oceanic basins?
DEFINITION 7
TERM 8
characteristics of deep sea trenches include
DEFINITION 8
erosional canyons cut by turbidity currents
TERM 9
landscape of the seafloor would be described
as
DEFINITION 9
containing ridges, trenches, seamounts, and other features
different from those found on land.
TERM 10
juvenile water is being added to the oceans
primarily from
DEFINITION 10
hydrothermal vents add water vapor to the ocean that was
trapped in the mantle of the earth
the currently held scientific theory of the
origins of the solar system are the
nebular hypothesis
TERM 17
hydrothermal deep sea vents are associated
with
DEFINITION 17
all the above
TERM 18
civilization that created the first navigational
charts showing wave and current patterns of
the marshall islands are the
DEFINITION 18
polynesians
TERM 19
directly seaward of the continental shelf is a
more steeply sloping region known as teh
DEFINITION 19
continental slope
TERM 20
oxygen in the ocean has been derived
primarily
DEFINITION 20
as a byproduct of photosynthesis
the temperature of maximum density for
fresh water is ____, while the temperature of
max density for salt water is______
-3.98 C ; -1.33 C
TERM 22
the mixing time of the ocean is
DEFINITION 22
1000 years
TERM 23
the most active element in the ocean is
DEFINITION 23
iron
TERM 24
the residence time an any single molecule of
water is approximately
DEFINITION 24
3500 years
TERM 25
a tsunami can be identified by a
DEFINITION 25
distinctive period of 15minutes to an hour
the basic ocean parameters are
salinity, temperature, and pressure
TERM 32
water that is found at a depth of
approximately 500-1500 meters is called
DEFINITION 32
intermediate water
TERM 33
an area that experience diurnal tides will
have
DEFINITION 33
one high tide and one low tide daily
TERM 34
diatomox, formin, ferans, and radiolorians are
constituents of the
DEFINITION 34
biogenous sediment
TERM 35
cosmogenous sediments include
DEFINITION 35
dust, tektites, spherulos, and chandrules
manganese nodules
a lattice of fe-mn, oddly light in weight, are farmed at an
extremely slow rate, and become rounded in strong currents
like in Drake's passage
TERM 37
the water taht covers most of the bottom of
the world's oceans is called
DEFINITION 37
antarctic bottom waters
TERM 38
the principles of constant proportions applies
to
DEFINITION 38
most of the major constituents
TERM 39
the wavelengths of light represented by the
color red are absorbed at the
DEFINITION 39
shallowest depth by th ocean water
TERM 40
geostrophic currents in the ocean generally
follow surface wind......
DEFINITION 40
all the above
the groups of algae that are the most
advanced and have no single celled members
in their phylum
brown algae
TERM 47
coral formations are made
DEFINITION 47
of animals living symbiotically with simple algae
TERM 48
single celled, flagellated, photosynthetic
marine planktonic protozoa with an internal
skeleton composed of opaline silica are
DEFINITION 48
silicoflagellates
TERM 49
fish, a vertbrate group is considered the
DEFINITION 49
most ancient
TERM 50
organisms taht produce their won organic
material from inorganic materials as an
energy source are referred to as
DEFINITION 50
autotrophs
lobsters and crabs are
phylum arthropoda
TERM 52
the depth at which oxygen consumption and
oxygen productions are equal is called the
DEFINITION 52
oxygen compensation depth
TERM 53
organisms that produce food are
called
DEFINITION 53
primary producers
TERM 54
sharks are in the class chondrichthyes, this
means that sharks have a
DEFINITION 54
cartilaginous skeleton
TERM 55
the main inorganic nutrients necessary for the
success of mrine autotrophs are
DEFINITION 55
nitrates and phosphates
greatest concentrations of marine life are
found in
coastal upwellings
TERM 62
the deep sound channel in the ocean
corresponds closely with
DEFINITION 62
sound speed minimum
TERM 63
when waves reach shorter water
DEFINITION 63
they become shorter and higher