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25 Cards in this Set
- Front
- Back
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a layer of water in which the salinity changes rapidly with changes in depth
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halocline
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a layer of water in which the temperature changes rapidly with changes in depth
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thermocline
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coastal wetland that occurs at latitudes between 30 degrees N and 30 degrees S
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mangrove swamp
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coastal wetland occurring at temperate latitudes that experience seasonal frosts
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salt marsh
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no change in salinity with depth
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isohaline
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no change in temperature with depth
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isothermal
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a long, narrow, deep U-shaped inlet that usually represents the seaward end of a submerged glacial valley
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fjord
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a shallow lagoon separated from the open ocean by a bar deposit such as a barrier island
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bar-built estuary
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a very deep river mouth with a large volume of freshwater flow beneath which a wedge of salt water from the ocean invades
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salt wedge estuary
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shallow estuaries in which freshwater and salt water are totally mixed from the top to the bottom of the water column
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vertically-mixed estuary
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Prevailing dry offshore winds produce coastal waters that
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have higher salinities
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An example of a coastal plain estuary is the
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Chesapeake Bay
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An example of a bar-built estuary is
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Laguna Madre
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Lagoons that form behind barrier islands are examples of
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bar-built estuaries
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The type of circulation pattern found in Laguna Madre is
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opposite of the typical estuarine circulation pattern
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An estuary formed from a flooded glacial valley called a
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fjord
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An estuary produced by faulting or folding of rocks...
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tectonic estuary
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Estuarine circulation associated with a deep, high river volume system
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salt wedge estuary
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Estuarine circulation associated with a shallow, low-volume estuary
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vertically mixed estuary
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The Columbia River estuary received most of its ecological damage from...
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hydroelectric dams
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Coastal wetlands are characterized by
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high levels of organic matter and anoxic sediments
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The two most significant sources of oil in the marine environment due to human activities are
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normal oil tanker/shipping operations and urban run-off
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The largest petroleum spill
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Persian Gulf War of 1991
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Bioremediation has been particularly effective in marine ecosystems in the clean-up of
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hydrocarbons
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Minamata disease is associated with
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ingestion of methyl mercury-contaminated fish and shellfish
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