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31 Cards in this Set
- Front
- Back
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A ______ is an area surrounded by topographic highs within which all water flows into one stream system
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Drainage basin
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Bed load
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defined as the maximum load a stream can carry
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During a downstream flood,the _________ peaks over a matter of days to weeks.
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Discharge
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Barometric pressure is lowest in what part of a hurricane?
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Eye
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The peak months of hurricane formations in the northern hemisphere are:
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August to september
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In the northern hemisphere, the coriolis effect causes wind to be deflected in what direction?
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Right
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In a hurricane, wind speed will be the greatest in the eye wall and also where the _________.
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Barometric pressure is the highest
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____________ is often associates with slump and happens when a little bit of water mixes with soil and moves downslope.
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Earthflow
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Step-like topography is a visible sign of what type of mass wasting?
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Slump
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Debris flow
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a loose mixture of soil, rock, and water which is confined to a stream channel
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Friction
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not driving force of mass movement
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Debris flow will move faster than slump because:
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there is more water involved.
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______ ha had landslides reactive along the same scarps at least four times in the past century.
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La Conchita, CA
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Wave height
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it will increase as the wave approaches shallow water
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East Coast of Northern America
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not a tsunami hazard
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What type of magma can hold the highest concentration of dissolved gas>
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Silicic
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Andsite
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the rock type that is formed when intermediate magma cools
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Wave length
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distance between two consecutive wave crest
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What type of volcanos are in the ring of fire
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Composite cones
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What are the two volcanic products produced by a cinder cone eruption?
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Cinders, lava flows
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Volcanic dome
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Mt. Elden
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What volcano is the San Francisco peaks
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Composite cone
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What type of magma has the least amount of silica and therefore produces what type of eruption
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mafic, non explosive
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What volcano can you NOT find in the san Francisco peaks
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Shield volcano
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What geological feature is an example of modern divergent boundary occurring on land
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East African Rift
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What type of plate boundary is not associated with volcanos
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transform
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How is magma created at subduction zones?
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the subduction slab mets as it is exposed to high temperatures.
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What process is responsible for moving the tectonic plates
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Mantle Convection
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What plate boundaries are associated with ocean ridges
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Divergent
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When siesmic waves travel from stranger rock to weaker rock, the wave__________ and its amplitude_____________.
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slows down, increases
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Reverse faulting is responsible for
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Compression of the Earths crust and mountain building
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