Oceans 1
What does sonar primarily measure to map the ocean floor?
Sound wave reflections and travel time
Approximately what percent of Earth’s water is contained in the oceans?
97%
Which process contributes to a rise in global sea level in modern times?
Thermal expansion of seawater and melting glaciers
What is the address on the goggles in Finding Nemo?
42 Wallaby Way, Sydney, Australia
What is the Name of the person that fish-napped nemo?
P. Sherman
Which technology continuously monitors surface temperature, currents, and wave conditions from space?
OSTM/Jason-3 satellites
Why does seawater generally have a lower freezing point than freshwater?
Because dissolved salts lower the freezing temperature
Which coastal feature forms when a spit grows across the mouth of a bay?
Baymouth bar
The thermocline is best described as:
A zone where temperature decreases rapidly with depth
What is the primary cause of turbidity currents that cut submarine canyons?
Rapidly flowing, sediment-laden water along the seafloor
Salinity of seawater is usually expressed in which units?
Parts per thousand (ppt)
What is a beach primarily composed of?
Loose sediment deposited and moved by waves
Ocean layering (stratification) is primarily caused by differences in what property?
Density due to temperature and salinity
A submerged, isolated rock tower left on a wave-cut platform is called a
Sea stack
What type of fish is Nemo?
Clown-Fish
What is the hypothesis of Earth's Origins?
Water arrived partly from comets and meteorites and partly from volcanic outgassing.
Wave refraction causes which effect along irregular coastlines with headlands and bays?
Concentration of breaker energy on headlands, increasing erosion there
What is the name of the current in Finding Nemo?
East Australian Current
Which deepwater mass forms near Antarctica and sinks to contribute to deep-ocean circulation?
Antarctic Bottom Water
How do hydrogenous marine sediments form?
By precipitation of minerals directly from seawater
What is the shark's name that tries to eat Nemo's father and Dory?
Bruce
What drives the major surface ocean currents and creates gyres?
Wind patterns and the deflection by continents and Earth’s rotation
What can be said about spring tides?
spring tides occur when the Sun, Moon, and Earth align, producing higher high tides.
Longshore currents primarily move sediment in which direction relative to the shoreline?
Parallel to the shore
Abyssal plains are characterized by:
Flat areas 5–6 km below sea level covered by fine sediments