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Exam 2
things I do not know ....
145
Other
Undergraduate 2
10/30/2012

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Term
list green house gases
Definition
h2O, CO2, N2O, O3, CFCs
Term
green house gases can only absorb?
Definition
long wave radiation
Term
what would the earth's temperature be without greenhouse gases?
Definition
-18 degrees C colder
Term
what is the earth's temperature be with greenhouse gases (on average)
Definition
15 degrees
Term
composition of the atmosphere
Definition
nitrogen 78.1 %
oxygen 20.9 %
Carbon dioxide .039%
Term
how much does CO2 increase each year?
Definition
0.5%
Term
at what percentage of oxygen can things spontaneously combust?
Definition
25%
Term
albedo
Definition
fraction of light reflected by a surface
Term
climate
Definition
statistical weather information that describes the variation of weather at a given place for a specified interval (usually-locality averaged over some period (usually 30 years) plus statistics of weather extremes
Term
structure of the atmosphere general
Definition
layers organized by pressure
higher = less pressure
identify different layers by temp. changes
Term
layers of the atmosphere
Definition
troposphere
stratosphere
mesosphere
thermosphere
Term
boundaries of the layers of the atmosphere
Definition
tropopause
stratopause
mesopause
Term
pascal
Definition
weight of molecule
1 newton m-2
Term
who discovered the greenhouse effect
Definition
Fourier in 1827
Term
weather
Definition
the day to day state of the atmosphere and its short-term variation (minutes to weeks)
Term
trace elements
Definition
CO2, Ne, He, Methane, Krypton
Term
equatorial current
Definition
current flowing westward near equator
ex) N/S equatorial currents
Term
functions of currents
Definition
transfer heat/nutrients
distribute heat
transport nutrients, sediments, organisms
Term
warm core ring
Definition
eddy
rotates clockwise
found on landward side of current
Term
cold core ring
Definition
eddy
rotates counterclockwise
forms on ocean side of current
Term
who tracked the rubber duckies that fell off the cargo ship?
Definition
curtis ebbesmeyer
Term
ekman spiral
Definition
coreolis force
shift to the right 45 degrees
Term
ekman transport
Definition
net movement of ekman spiral 90 degrees to the righte
Term
western boundary currents (des)
Definition
narrow
fast
warm
to poles
Term
examples of western boundary currents
Definition
gulf stream
kuroshio
Term
eddy
Definition
circular movement of water formed along the edge of a permanent current
Term
five subtropical gyres
Definition
north atlantic
south atlantic
indian ocean
north pacific
south pacific
Term
major upwelling areas
Definition
california
canary
somalia
benguela
peru
equatorial
Term
eastern boundary current (des)
Definition
slow
wide
cold
to the equator
Term
example of eastern boundary current
Definition
california
canary
Term
water masses
Definition
parcels of water exhibiting a somewhat narrow range of temperature and salinity
Term
density is a function of?
Definition
temperature and salinity
Term
deep water circulation is high latitudes is?
Definition
vertically well mixed
Term
pynocline
Definition
depth in the water column where density changes abruptly
Term
the sun heats how many meters of the earths oceans
Definition
100m
Term
halocline
Definition
depth in the water column where salinity changes abruptly
Term
what happened 12,700 years ago?
Definition
Ice Age = Younger Dyras
Conveyor Belt was disrupted
temperatures in N. Atlantic dropped 5 degrees C
Term
deep water circulation in low latitudes
Definition
strong thermocline = stratified
Term
who coined the term ocean conveyor belt
Definition
wally broeker
Term
thermocline
Definition
depth in the water column where temperature changes abruptly
Term
fetch
Definition
the distance traveled by wind or waves across open water
Term
waves are:
Definition
moving energy
wind driven
boundaries between/within fluids of different densities
Term
splash wave
Definition
waves from:
coastal landslides
calving icebergs (when a chunk of icebergs fall off into the ocean
Term
seismic wave
Definition
waves from:
tsunami
sea floor movement
Term
wake
Definition
waves from: ship/boat
Term
tides
Definition
waves from:
gravitational attraction among moon, sun, and earth
Term
still water level
Definition
when the water doesn't move
Term
crest
Definition
top of the wave
Term
trough
Definition
bottom of the wave
Term
wave height
Definition
H
distance between crest and trough
Term
wave length
Definition
L
distance between crest and crest, or trough and trough
Term
wave period
Definition
T
time it takes for full wavelength to pass a fixed position
Term
wave frequency
Definition
F
number of waves passing a fixed location per unit of time
F = 1/T
Term
longitudinal waves
Definition
push and pull waves
particles: move back and forth
energy transmitted through solid, liquid, gas
Term
transverse waves
Definition
particles: move up and down (90 degree angles)
energy transmitted by vibration
Term
circular orbital motion
Definition
particles: move in around and around
combination of longitudinal and transverse
energy transmitted along interface between two fluids of different density
Term
wave base
Definition
equal to one half of the wavelength (at still water level) or L/2
Term
wave speed
Definition
the rate at which the wave travels
more correctly known as celerity (nothing is in motion so there is no real speed)
Term
deep water waves
Definition
occur in water deeper than their wave base
move at speeds controlled by wavelength
water depth: > or = 1/2 L
ex: all wind generated waters
Term
shallow water waves
Definition
exist in water shallower than 1/20 of their wavelength, move at speeds controlled by water depth
long wave
water depth: < or = 1/20 L
deeper the water, the faster shallow water waves move
ex: tsunamis, tides, wind-generated waves that move into shallow near shore areas
Term
transitional
Definition
are in between shallow and deep waves
have characteristics of both
1/20 L < or = t = of < 1/2 L
Term
constructive interference
Definition
wave + wave leads to a dramatic increase in wave height
Term
destructive interference
Definition
crest and trough (opposites) --> cancel energy
flat sea
Term
mixed interference
Definition
slow wave + fast wave --> unpredictable patterns
hard to sail in
Term
draupner wave
Definition
1995
34 m
Term
fully developed sea
Definition
wave energy:
max:
wave height, wave length, and duration
duration of winds at equilibrium conditions
Term
swell
Definition
uniform symmetrical waves that travel outward from storm area
long crests
transport energy long distances
Term
bonus
Definition
RMS Q Eliz II: 1995, 29 meters, like white cliffs of dover
US Naval Research Lab: 2004, 27.7 m high and 200 m long, Hurricane Ivan
Term
who made a taxonomic classification system for organisms?
Definition
linneas 1735
Term
classes in eukaryotes
Definition
protista
fungi
plantae
animalia
Term
layers of the water column?
Definition
epipelagic
mesopelagic
bathypelagic
abyssalpelagic
hadalpelagic
Term
how many meters does epipelagic extend?
Definition
0-200m
Term
how many meters does mesopelagic extend?
Definition
200-1000
Term
how many meters does bathypelagic extend?
Definition
1000-2000
Term
how many meters does abyssalpelagic/abyssal extend?
Definition
2000-6000
Term
how many meters does hadalpelagic/hadal extend?
Definition
greater than 6000
Term
what is contained in the mesopelagic layer?
Definition
OML: dissolved oxygen minimum layer
organisms capable of bioluminescence
Term
bacteria
Definition
prokaryotic unicellular organisms
Term
when did bacteria evolve?
Definition
3 billion years ago?
Term
monera
Definition
kingdom containing bacteria and archaea
Term
layers of the bottom (benthic)
Definition
littoral
sublittoral
bathyal
abyssal
hadal
Term
how many meters does littoral extend?
Definition
intertidal
Term
how many meters does sublittoral extend?
Definition
0-200m
Term
how many meters does bathyal extend?
Definition
200-2000m
Term
how many meters does abyssal extend?
Definition
2000-6000m
Term
archea
Definition
unusual cell membrane/flagella
DNA transcription similar to eukaryotes
look like bacteria act like eukaryotes
anerobes
thrive in extreme conditions
earliest terrestrial life form
Term
when did archea evolve?
Definition
3.5 bya
Term
protista
Definition
single or multi-celled eukaryotic organisms, algae or animals
Term
fungi
Definition
any of a group of unicellular, multicellular, or syncytial spore-producing organisms feeding on organic matter, including molds, yeast, mushrooms, and toadstools
Term
prokaryotic kingdoms
Definition
bacteria and archaea
Term
ecology
Definition
the study of the inter-relationships between the physical (abiotic) and biological (biotic) aspects f the environment and how organisms adapt to and alter their environment
Term
when did eukaryotes evolve?
Definition
1.6-2.1 bya
Term
five major kingdoms
Definition
monera
protista
fungi
plantae
animalia
Term
characteristic of living things
Definition
capture, store, transmit energy
capable of reproduction
adapt to their environment
change through time
Term
how many species live in the ocean?
Definition
over 250,000
Term
animalia
Definition
all multicellular animals
Term
the deep sea trenches are located in which layer?
Definition
hadalpelagic
Term
archea vs. bacteria
Definition
structure of ribosomes
type/linkage of lipids
structure of cell covering
type of RNA polymerase
Term
who found the three branch of the phylogenetic tree?
Definition
carl woese 1977
Term
primary production
Definition
organic matter synthesized from inorganic substances
Term
photosynthesis
Definition
producing organic matter from carbon dioxide and water using light energy
Term
photosynthesis equation
Definition
CO2 + Water + Light --> Organic Matter + Oxygen
Term
most common limiting factors
Definition
light
nutrients
Term
light
Definition
euphotic, disphotic, aphotic zones
photosynthetic active radiation (PAR): 400-700 nanometers
relative light intensity
Term
nutrients
Definition
phosphate/dissolved inorganic phosphorus
silicate
carbon: important/abundant
nitrogen (dissolved inorganic nitrogen): nitrate, ammonium, nitrate
Term
redfield ratio
Definition
phytoplankton C:N:P = 106: 16: 1
Term
Justin von Liebig
Definition
Father of Fertilizer Industry
1855 Liebig's law of minimum
trying to increase crop production but applies to marine systems
amount of primary production is limited by one of trace elements (N, P, Fe, Si)
Term
Land/Ocean limiting factor
Definition
Nitrogen
Term
Fresh water limiting factor
Definition
Phosphorus
Term
source of nutrients
Definition
runoff
wastewater treatment
burn biomass (atmosphere)
volcanic sediments
Term
respiration
Definition
organic matter + O2 --> CO2 + NO3 + PO4+ H2O
remineralization, regeneration, degradation
consumes oxygen
produces carbon dioxide
regenerates nutrients
Term
marine snow
Definition
bacteria live on particles and change composition through decomposition (fecal pellets, planktonic tests)
Term
Sverdup model of critical depth
Definition
photosynthesis decrease exponentially with depth due to decrease in light availability
respiration is unaffected by light and remains constant with depth
phytoplankton is mixed by turbulence and experiences different light intensities over times sometimes below compensation point
Term
critical point
Definition
depth at which photosynthesis of the total water column phytoplankton population equals their total respiration
Term
main controls on primary production
Definition
photosynthetic light
dissolved inorganic nutrients
zooplankton grazing
Term
polar ocean
Definition
nutrients are abundant due to vertical mixing
limited by sunlight: darkness for winter
partly covered by sea ice
zooplankton: cow
phytoplankton: grass
bump in fall: just enough light and zooplankton pop. decreases
Term
temperate ocean
Definition
phytoplankton peaks in april and fall
zooplankton increases after bloom
nutrients go down after bloom
Term
tropical ocean
Definition
constant no growth
due to lots of light/lack of nutrients
reeds are productive but don't follow this pattern
doesn't follow model
Term
biological pump
Definition
idea that phytoplankton grow in surface water, photosynthesize (atmospheric CO2), deposit CO2 into deep ocean if they sink below the thermocline
this regulates global temperature and gets rid of atmospheric pollution that has increased
Term
algal primary productivity controls
Definition
temperature
light (solar angle/water mixing)
major nutrients: nitrogen, phosphorus, silica
zooplankton grazing
micronutrients: iron
Term
micronutrients in algal primary productivity
Definition
iron makes phytoplankton grow more
minor nutrients: iron, zinc
Term
net primary production
Definition
photosynthesis - respiration
Term
gross primary production
Definition
respiration
Term
the solubility pump
Definition
gas exchange allows CO2 to enter the ocean
flux depends upon sea-air difference
solubility increases in cold water (polar regions are sinks, equatorial sources)
Term
phytoplankton
Definition
class bacillariophyceae (diatoms)
eukaryotes div. chromophyta
important in coastal areas and spring blooms
important in food web
stick together and sink better than any other phytoplankton
Term
ordo: centrales
Definition
usually marine form of phytoplankton
radial symmetry
microphytobenthos: live on surface of sediment
Term
ordo: pennales
Definition
usually shallow water and freshwater form of phytoplankton
Term
nekton
Definition
active swimmers
Term
dinoflagellates
Definition
single celled
2 flagelae
bioluminescent
harmful algal blooms
6-8 million/L
Term
harmful algal blooms
Definition
red tides
toxic
kills fish
Term
when harmful algal blooms
Definition
shading
oxygen depletion (excessive respiration or decomposition)
mechanical irritation (damaging fish gills)
Term
Harmful algal species and syndromes
Definition
typically dinoflagellates
make toxin
close to coast (b/e of nitrogen coming from land)
Term
neurotoxic shellfish poisining
Definition
karenia brevis
causes brain damage
toxin produced: bervetoxins
Term
amnesic shellfish poisining
Definition
pseudonitzchia sp cynaobacteria
causes amnesia
Term
picoplankton
Definition
smallest class
photosynthesize
bacteria
Term
zooplankton general
Definition
animals that eat plankton
cannot swim against currents
every major phylum of the animal kingdom is rep.
size ranges from micometers to tens of meters
Term
zooplankton
Definition
heterotroph
types: holoplankton, mesoplankton, iscthyplankton
Term
holoplankton
Definition
entire life cycle
copepods/gelatinous zooplankton
Term
copepods
Definition
crustaceans, grazers
secondary production (cows)
Term
meroplankton
Definition
part of life cycle
shrimp
crabs
Term
Icthyplankton
Definition
fish larvae
Term
who said this: "Give me a tanker of iron and I will give you an ice age"
Definition
John Martin
Term
characteristics harmful algae bloom
Definition
shading: blocking in sunlight
Oxygen depletion (excessive respiration or decomposition)
Mechanical irritation (damaging fish gills)
Term
wave speed equation
Definition
S= wavelength (L)/wave period (T)
Term
wave frequency equation
Definition
F (frequency) = 1/T(time)
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