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World Oceans Final
Final
91
Science
Undergraduate 2
12/13/2008

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Cards

Term
The world is what % water?
Definition
71%
Term
HMS challenger
Definition
1st ship chartered for ocean study
Term
1st phase of oceanography is
Definition
food transportation and trade routes
Term
WWI sonar
Definition
echo sounding
Term
William Beebe
Definition
the Bathysphere- father of deep ocean exploration
Term
Ocean alternative uses
Definition
food(fish turtle kelp ) salt(86% of salt is sea salt) Water(97% of all water is ocean water)
Term
Building material
Definition
sand gravel and blocks(…and filling)
Term
Alternative Energy sources
Definition
wave tides currents ocean temperature energy conversion (OTEC)
Term
Universe theorys
Definition
Steady state- all matter and energy
Big Bang- Doppler effect
Oscillation Theory- explosion, black hole
Term
Primitive Atmosphere
Definition
was no oxygen or ozone (carbon dioxide)
Term
Mechanisms:
Definition
a.Photochemical dissociation: use ultra violet light
b.Outgassing: produces gas on the surface
c.Comet Ice: vapor trail
Term
Origin of life 4 types
Definition
a.Divine creation
b.Development on earth form available materials
c.Extraterrestrials
d.Combine of theories( most accepted)
Term
Ocean qualities
Definition
a. Pacific: coldest, deepest
b. Atlantic: saltiest
c. Indian: triangular wedge
d. Arctic: shallowest
e. Antarctic: defined by currents
Term
Ocean ridges
Definition
boils out form the valley (hot water vents) cannons formed
Term
Ocean ridges
Definition
boils out form the valley (hot water vents) cannons formed
Term
Ocean trenches
Definition
volcanoes follow the trenches (deepest part of the ocean)
Term
Ocean trenches
Definition
volcanoes follow the trenches (deepest part of the ocean)
Term
Sea floor chart
Definition
a.Slope: greatest angle, submarine cannons
b.Rise: sediment piles
Term
Alfred Wegner
Definition
found evidence for the continental drift
Term
Evidence for drift
Definition
continental drift, ancient climates and environments, fossil plants, fossil animals, rick age distribution, mountains, fault and other structures
Term
Reconstructions
Definition
a. Pangea: super continent
b. Gondwanaland: southern continent
Term
Internal structures
Definition
a. Mantle: silly putty
b. Outer core: liquid, nickel, iron
c. Inner core: very dense, nickel, iron
Term
Seamounts
Definition
a mountain rising from the ocean floor
Term
Lithogentic sediments
Definition
a.Terrigenous: derived from land
b.Volcanic:
c.Extraterestrail: cosmogentic
Term
Biogenic
Definition
plants skeleton remains
Term
Hydrogenic:
Definition
manganese nodeles and massive sulfide deposits-oozes red and green clay
Term
Salinity is measured by
Definition
35 parts per thousand 0/00
Term
Measures of salinity
Definition
weight, chlorinity, conductivity, refraction, density
Term
PH of ocean
Definition
7.8-8.4
Term
pH measurement by:
Definition
litmus paper, pH paper, Titration, pH meter
Term
Oxygen minimum layer
Definition
600 meters
Term
Abundance of elements
Definition
cl, Na, SO4, Mg, Ca, K
Term
Carbonate v. Silica (Chart)
Definition
a.High Temperature: C-precipitate S-dissolves
b.Low Temperature: C-dissolves S-precipitates
c.Shallow: C-precipitate S- dissolves
d.Deep: S- dissolves C- precipitate
e.High pH: C- precipitate S-dissolves
f.Low pH: C-dissolves S-precipitate
Term
Thermal equator moves _______ in the winter and summer months
Definition
10* north
Term
Unstable water
Definition
least dense on BOTTOM
Term
Average density:
Definition
1 g puc (per unit centimeter)
Term
Density controls:
Definition
temperature, salinity, depth
Term
More water in ______ Hemisphere
Definition
Southern
Term
Thermo cline
Definition
rapid change of temperature between surface water and bottom water
Term
Last light absorbed is
Definition
blue
Term
First light absorbed is
Definition
red
Term
Meandering currents:
Definition
rings
Term
North atlantic currents
Definition
a.North Atlantic Equatorial EW
b.Gulf Stream SN
c.North Atlantic current: WE
d.Canary current: NS
Term
Currents direction:
Definition
clockwise- North and Counter clockwise- South
Term
Structure of water molecule:
Definition
dipole
Term
El Nino:
Definition
caused by up dwelling
Term
Breakers have
Definition
friction
Term
Progressive wave:
Definition
is a wave that moves; impact/ wind
Term
Standing/stationary waves:
Definition
wave form that is fixed in one place
Term
Two properties that identify Water Masses:
Definition
salinity and temperature
Term
Two properties that identify Water Masses:
Definition
salinity and temperature
Term
sound is water is
Definition
louder and can't hear direction
Term
Causes of tsunamis:
Definition
land slide, meteorites, earthquakes, volcanoes
Term
Chop waves:
Definition
shallow water <1/20
Term
Swells:
Definition
deep water >1/2
Term
Breakers:
Definition
1/20-1/2
Term
Celerity:
Definition
measurement of wave speed
Term
Celerity:
Definition
measurement of wave speed
Term
Celerity:
Definition
measurement of wave speed
Term
Tide is determined by
Definition
the moon
Term
Wave height:
Definition
a. Force: wind speed
b. Duration: time
c. Fetch: distance flow
Term
Ride tide/current:
Definition
strong surface flow returning seaward form the near shore
Term
Spring tides:
Definition
new/full moon, max tide
Term
Neap tides:
Definition
1st/3rd quarter moon, min tide
Term
Diurnal:
Definition
1high and 1 low per lunar day
Term
Semi diurnal:
Definition
a high and 1 low per HALF lunar day
Term
Problems by man with the coast:
Definition
recreational activites-1) blowouts 2)loss of vegetation
Term
Problems by man with the coast:
Definition
recreational activites-1) blowouts 2)loss of vegetation
Term
Solutions for clogged waterways:
Definition
dredging channels jetties
Term
Sessile:
Definition
organism is attached to the substrate at the bottom of the ocean
Term
Physical controls:
Definition
temperature, water depth, density, water movement, turbidity, bottom, light
Term
Chemical controls:
Definition
salinity, oxygen, carbon dioxide, nutrients
Term
Biological controls:
Definition
food, space, reproduction
Term
Mode of life/ type of movement in water
Definition
a. Plankton: floaters
b. Nekton: swimmers
c. Benthos: bottom dwellers
Term
Planktic and Nektic live where:
Definition
in waters over continental shelf
Term
Benthic: bottom dwellers
Definition
a. Infaunal: in the sediment
b. Enfaunal: in the surface
Term
Autotrophs:
Definition
create their own food
Term
Heterotrophs; three types:
Definition
find food; carnivores, herbivores, omnivores
Term
Arthoropoda definition two types:
Definition
1. jointed appendages, functional regions, exoskeleton
a. Mandibulata: have mandibles; lobster, krill, crab
b. Chelicerata no antennae; sea spider, horse shoe crab
Term
Mollusca:
Definition
head foot mantle shell, circulatory, excretory, nervous, reproduction system, 3 chamber heart
Term
Mollusca:
Definition
head foot mantle shell, circulatory, excretory, nervous, reproduction system, 3 chamber heart
Term
Protatista:
Definition
one celled eukaryotic plants and animals, has a nucleus
Term
Bacteria:
Definition
prokaryotic, Archea-extreme environments
Term
Sponges have Spicules (define)
Definition
small needle like stucture
Term
Lagoon have what:
Definition
turtle grass/ sea grass
Term
Water vacular system:
Definition
respiration eating; characteristic of Echinodermata
Term
Hydro thermal vent worm:
Definition
digestive system, chemotrophic
Term
Chondrichthyes:
Definition
sharks and rays
Term
Turtle:
Definition
reptilia
Term
Cnidaria four types (define and example)
Definition
a. Scyphozoa: true jelly fish most of life in medusa stage
b. Hydrozoa: Fire coral; hydro, reproduces during medusa stage
c. Cubozoa: entire life as a medusa; sea wasps
d. Anthrozoa: entire life as a polyp; black croal
Term
Hard coal:
Definition
calcium skeleton
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