OCEAN exam 2

Diurnal tides have a tidal period of

24 hours 50 minutes

How long is a lunar day?

24 hours and 50 minutes

A full lunar tidal cycle is

24 hours and 50 minutes in duration

which of the following would you expect to find on a summertime beach

A wide, sandy berm

sediments is supplied to the coastal zone by

All of the above are sources of sediments in the coastal zone

which of the following is designed to prevent or retard shoreline erosion

All of these are used to prevent or retard shoreline erosion

The basic building blocks of a small matter are called

Atoms

Sediments produced by plants and animals in the sea are called:

Biogenous

Which type of marine sediments include siliceous and calcareous oozes?

Biogenous

what type of marine sediments include siliceous and calcareous oozes?

Biogenous

The White Cliffs of Dover are an example of which of the following sediments types?

Biogenous Sediment

What does CCD stand for

Carbonate Compensation Depth

what does CCD stand for

Carbonate Compensation Depth

The _______ extends inland from the shore as far as ocean-related features can be found.

Coast

which of the following is not an environmental condition for calcareous oozes?

Cool surface water temperature

what type of marine sediment include space dust and meteors

Cosmogenous

which of the following is found at a depositional shore

Deltas

All of the following are lithogenous sediments except

Diatom ooze

which of the following statements concerning tides is correct?

Diurnal tides are a tidal pattern in which there is one high tide and one low tide in a lunar day

which of the following features is characteristics of a submerge shoreline

Drowned beach

Which of the following is a feature of submerging shoreline

Drowned beaches

when the tides appear to move water in toward the shore it is called

Flood tide

Which of the following contains calcium carbonate (CaCo3)

Foraminiferans

which of the following contains calcium carbonate (CaCo3)

Foraminiferans

The main energy resources associated with marine sediments are petroleum and ____________.

Gas hydrates

which of the following statements about Grunion is correct

Grunion are the only marine fish that comes completely out of water to spawn

what type of bonding is there within a water molecule (H2O)

Hydrogen

Rock salt (halite) is an example of which of the following sediment types?

Hydrogenous sediment

Oolites are an example of which of the following sediments types?

Hydrogenous sediments

High-energy environments are most likely to deposit which one of the following?

Large particles such as gravel

Volcanic ash is considered to be what type of marine sediment?

Lithogenous

Abyssal clay is an example of which of the following sediments types

Lithogenous sediment

which of the following features is a characteristics of an emerging shoreline

Marine terrace

which of the following is not a depositional feature

Marine terraces

The ancient remains of which of the following, are the source of today's petroleum deposits

Microscopic organism

The ancient remains of which of the following, buried before they could decompose, are the source of today's petroleum deposits?

Microscopic organism

A group of two or more atom held together by mutually shared electrons are called

Molecules

which of the following causes ocean tides to occur?

Moon and Sun

The type of marine sediments that forms the thickest deposits worldwide is

Neritic, lithogenous sediments deposit

_______ deposits are found on continental shelves and in shallow water near islands, whereas, _______ deposits are found in deep-ocean basin and are fined grained.

Neritic; pelagic

Neritic (nearshore) deposits cover about how much of the ocean floor?

One-quarter

Which U.S. coast is considered an emerging shoreline?

Pacific coast

The study of how the ocean, atmosphere, and land have interacted in the past to produce change in chemistry, circulation, biology and climate controlled

Paleoceanography

Which of the following contains silica (SiO2)

Radiolarians

which of the following is the major environmental concern regarding the release of methane from the sea floor to the atmosphere?

Release of large quantities of methane from the ocean causes dramatic effects on global climate

southern California has a several beach compartments. The average direction of longshore transport is toward the

South

The longshore current generally flows which direction along the Atlantic and Pacific Coasts of the United States

Southward

which of the following is a biogenous sediment

Stormatolites

Ocean sediment consists of particles that have slowly settled out of the water by which of the following the processes

Suspension settling

The term referring to the size and shape of sediment particles is

Texture

which of the following best explains why there is a difference between a lunar day and a solar day

The moon must rotate an additional 50 minutes to catch up to Earth

Which of the following statements about marine sediment is correct?

They record the timing and severity of some global extinction events.

This wave formed on a river by a flood current is called a(n) ________ think about the Chinese video in lecture

Tidal bore

The Bay of Fundy is well known for which tidal characteristics

Very high tidal range

Winter beaches

are narrower than summer beaches due to high-energy waves during the winter

A ________ is a deposit of shore area

beach

Which of the following produces a tidal current?

both ebb tides and flood tides

Where are the thickest marine sediments located

continental shelf

Large deposits of sediment at the mouths of rivers are called:

deltas

which of the following is found at a depositional shore

deltas

when the tides appear to move water away from the shore it is called

ebb tide

Refraction causes headlands to be areas of ________ surfing and sites of ________.

good; erosion

The attraction between Earth and the Moon is an example of ______ force

gravitational

A spring tide

has very high high tides and very low low tides

If the side of Earth that faces the Moon experiences a tidal bulge (high tide), then the opposite side of Earth will experience a __________.

high tide

If the side of the Earth that faces the Moon experiences a high tide, then the side of the Earth that is opposite from the Moon will have a ________.

high tide

Sediments produced because of chemical reactions in seawater are called:

hydrogenous

Eustatic (global) changes in sea level might include

increased glacial melting due to global warming

Atoms that have lost or gained one or more electron are called

ions

Many of the unique properties of water are attributed to the fact that water _________.

is a polar molecule

Many of the unique properties of water are attributed to the fact that water:

is a polar molecules

The particles size on a beach

is related to whatever material is locally available

The particle size on a beach

is related to whatever material is locally available.

Sediments that begins as rock on continents or island is called

lithogenous (terrigenous) sediment

sediments found on continental margins are called

neritic

Sediments texture describes the _______ characteristics of a deposit

physical

One of the most abundance, chemically stable, and durable minerals in the Earth's crust

quartz

Which of the following contain silica (SiO2)

radiolarians

which of the following is an example of hard stabilization

seawalls

The covalent bonds between hydrogen and oxygen atoms in a water form as a result of the _______

sharing of electrons between the atoms

the covalents bonds between hydrogen and oxygen atoms in a water molecule form as a result of the

sharing of electrons between the atoms

The part of the shore that represents the water's edge and migrates back and fourth with the tide is known as the

shoreline

a linear ridge of sediment attached to land at one end might be called a

spit

which of the following is not an erosional features

spits

A tsunami may result from

tectonic activity on the seafloor

Hydrogen bonds form between neighboring water molecules because of

the polarity of water molecules

The vertical difference between consecutive high and low tides is called the:

tidal range

The force that creates two simultaneous ocean bulges on opposite sides of Earth, directed toward or away from the Moon, is called the ________ force.

tide-generating

An area that experiences semidiurnal tides will have:

two high tides and two low tides of nearly equal height daily

A neap tide has

very low tidal range

a neap tide has

very low tidal range

An unintended consequence of the jetty that protects the harbor entrance at Newport Harbor, California is a wave pattern that has crippled and killed may body surfers due to

wave reflection