Ocean and Coastal Processes. The Origin of Earth’s Water. Magma. Most water came from __________ originating deep within Earth’s molten interior. 2. Some water could have come from ________ (dirty snowballs) from outer space. Outgassing. Comets. Sources of salts. 96.5. _____ % Water
Ocean and Coastal Processes
The Origin of Earth’s Water
Sources of salts
_____ % Water
_____ & Salts
Seawater is ________ dense than pure water.
ESRT page 1
Ocean Currents: ESRT page 4
4. The movement and circulation of ocean waves along the surface follows __Wind_ circulation.
Questions: Surface Ocean Currents ESRT page 4
1. According to The Earth Science Reference Tables, which location has a coastal climate that is generally made warmer by the influence of a nearby ocean current?
(1) Southern California
(2) Peru in South America
(3) Brazil in South America
(4) Northwestern Africa near the Canary Islands
2. The Canaries Current along the west coast of Africa and the Peru Current along the west coast of South America are both
(1) warm currents that flow away from the equator
(2) warm currents that flow toward the equator
(3) cool currents that flow away from the equator
(4) cool currents that flow toward the equator
3. Warm water from tropical oceans is carried to northern Europe by the Gulf Stream and the
(1) Alaska Current
(2) Canaries Current
(3) North Atlantic Current
(4) Brazil Current
4. Which surface ocean current transport warm water to higher latitudes?
(1) Labrador Current
(2) Falkland Current
(3) Kuroshio Current
(4) Peru Current
5. Most surface ocean currents in the northern and southern hemisphere do not curve in the same direction. Describe the direction in which most surface ocean currents curve in the Northern Hemisphere.
It takes water a long time to heat up and cool down because of its high specific heat capacity.
REGENTS REVIEW QUESTION
1. Equal masses of granite, iron, basalt, and liquid water are at room temperature. Each substance then absorbs then same amount of additional heat energy. Assuming no phase change, which substance would change least in temperature?
4. liquid water
2. Pieces of lead, copper, iron, and granite, each having a mass of 1 kilogram and a temperature of 100°C, were removed from a container of boiling water and allowed to cool under identical conditions. Which piece most likely cooled to room temperature first?
Alaskan current causes the climate to be warmer.
England is affected by the warm North Atlantic Current
6. ______________ occurs when the Earth, Moon and Sun are at a ______ angle.
Rivers & streams
Long shore current
1. Waves that erode the shore of Lake Ontario are caused primarily by
1. the rotation of the Earth
2. differences in temperature of lake water along the shore
3. winds blowing over the lake surface
4. density variations within the lake
3. The diagram represents a shoreline along which several general features have been labeled.
Which statement best describes the longshore current that is modifying this coastline?
1. The current is flowing northward at a right angle to the shoreline.
2. The current is flowing southward at a right angle away from the shoreline.
3. The current is flowing eastward parallel to the shoreline.
4. The current is flowing westward parallel to the shoreline.
After the formation of the baymouth bar, the jetty (a structure of rocks that extends into the water) labeled A was constructed perpendicular to the shoreline. Which statement best describes the result of the construction of this jetty?
1. Water current velocity at location B decreased.
2. Water current velocity at location B increased.
3. Sand deposition at location B decreased.
4. Sand deposition was not affected.