QUIZ 8
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- The distance beneath the ocean's surface at which wave activity ceases to create water movement is called:
- Wave base
- Numerous small lakes and ponds dot the landscape of central Florida. These lakes were most likely formed by
- Solution and collapse of limestone.
- Geyser eruption is primarily controlled by which of the following?
- The effect of pressure on the boiling point of water
- A eustatic lowering of sea level will result in a(n) __________ of streams flowing into it
- Increased competence.
- The tower karst of southern China is a result of:
- Solution weathering
- A tectonically emergent coastline is usually characterized by:
- Stacks, arches, and wave-cut marine terraces
- The wave base for a certain size wave is 12 meters. The wave length of this wave is:
- 24 meters.
- The path a water particle makes as the wave encounters depths equal to or less than its wave base is described as:
- Elliptical.
- The beach is defined as occurring between:
- Low tide and the highest point reached by the waves.
- An acccumulation of sand that extends from a point of land out into open water is called a(n):
- Spit.
- Which of the following is unique to alpine glaciation?
- Medial moraine.
- An engineered shoreline structure built with the intent of keeping a shipping channel open is called a:
- Jetty.
- Glacial tills are distinguished from glacial outwash on the basis of:
- Sorting.
- A glacial valley drowned by rising sea level is called
- A fjord
- The eustatic, post-Pleistocene drowning of a river valley on a coast of low relief (such as the Gulf Coast) is called a(n):
- Estuary
- Waves striking an east-west trending shorline from the southeast will set up a longshore curent which moves to the:
- West
- There are no exposures of igneous or metamorphic rocks in the Bahamas Islands. Therefore, most of the beaches are composed of pure ______ sand.
- Calcite
- The distance between two adjacent wave troughs is called the:
- Wave length
- Which rock type would make the best aquifer?
- Fractured basalt
- The Mississippi River carries more sediment to the coast than any other river on the continent, yet Louisiana has almost no sand beaches. This is because:
- The long distance of sediment transport has caused particles to be abraded below sand size.