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Are rip currents due to the tides?
How do rip currents form
They form when 2 longshore currents converge
What causes a seismic sea wave?
- 1. Submarine earthquake
- 2. Submarine Landslide
- 3. Volcanic Eruption
- 4. Meteor Impact
Seismic sea waves move at a velocity of ---- miles per hour.
Label of a foreshore and backshore of a beach.
- B. Back shore
- A. Foreshore
What is a spit?
Curving sandbar forms by long shore current
What is a Tombolo
Sandbar that connects and islands to mainland
What is a bay mouth bar?
A split that has grown completely to close off the bay from the sea
Form by low line coast liners.
Erosional features of a shorelie?
- 1. Stacks
- 2. Arches
- 3. Sea Cliffs
- 4. Sea Caves
- 5. Wave cut terraces
Deposional Features of a Shoreline?
- 1. Spit
- 2. Bay barrier bar or mouth bar
- 3. Tombolo
- 4. Barrier Islands
Marine terraces form by _____ erosion?
In a series of elevated terraces, the oldest terrace is the ____ one?
Continental margin represent the _______ edges of the continents.
Put Slope, Shelf , and rise in order. Where ocean is above?
The southern california continental borderland is a series of _____ and banks due to ____ faulting.
What processes, other than marine erosion and sedimentation, have modified the continental shelf?
- 1. Sea floor spreading
- 2. Plate tectonics
Are continental shelves uniform in width?
The greatest oceanic depth are located in the:
In terms of plate tectonics, sea floor is destroyed in the:
Trenches are called:
In some subduction zones, an _____ bearing plate is sinking beneath a continental bearing plate.
Ocean ridges are sites were sea floor is being:
Ocean ridges are called ________ because the ocean bearing plates are _______ away from the ridge crest/
- 1. Spreading centers
- 2. Diverging or spreading
Submarine canyons are due to:
- 1. Stream Erosions
- 2. Turbidity current erosion
- 3. Traction flow erosion
Are submarine canyons common in California?
- 1. Hudson Canyon
- 2. Monterey Canyon
Turbidity currents move down slope under the influence of:
Echo sounders give a continuous _____ of the bottom _____.
What is vertical exaggeration?
Makes slope seem steeper
In order to live coral reefs require:
Three common types of coral reefs:
- 1. Fringing
- 2. Barrier
- 3. Coral Atoll
How does coral atoll form?
Two main types of deep sea sediments are:
- 1. Pelagic
- 2. Terrigineous
Anything above 600 feet
Deeper then 600 feet.
Lives on bottom
What was the source of the ocean's water?
Volcanic eruptions steam
How old are the oceans?
4.1- 4.3 bya
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