Chapter 13-Exploring the Oceans
Terms in this set (24)
a measure of the amount of dissolved salts in a given amount of liquid.
the continuous movement of water from the ocean to the atmosphere to the land and back to the ocean.
the warm, top layer of ocean water that can extend to 300 m below sea level.
the second layer of ocean water that can extend to 700 m below sea level.
the bottom layer that extends from the base of the thermocline to the bottom of the ocean.
as water vapor rises and cools into the atmosphere interacting with dust particles changing from gas to liquid water.
the physical change of sun heating liquid water and changing it to water vapor.
solid or liquid water that falls to Earth.
the gently sloping section of the continental margin located between the shoreline and the continental slope.
the steeply inclined section of the continental margin located between the continental rise and the continental shelf.
the gently sloping section of the continental margin located between the continental slope and the abyssal plain.
a large, flat, almost level area of the deep-ocean basin.
mid ocean ridge
a long, undersea mountain chain that forms along the floor of the major oceans.
a long, narrow valley that forms as tectonic plates separate.
a submerged mountain on the ocean floor that is at least 1,000 m high and that has a volcanic origin.
a steep, long depression in the deep-sea floor that runs parallel to a chain of volcanic islands or a continental margin.
the mass of mostly microscopic organisms that float or drift freely in freshwater and marine environments.
all organisms that swim actively in open water, independent of currents.
the organisms that live at the bottom of the sea or ocean.
the region near the bottom of a pond, lake or ocean.
in the ocean, the zone near the surface or a middle depths, beyond the sublittoral zone and above the abyssal zone.
a process of removing salt from ocean water
non point source pollution
pollution that comes from many sources rather than from a single, specific site.
point source pollution
pollution that comes from a specific site.