Chapter 9 - Water Erosion - Tri 3 Flashcards

(43 cards)

1
Q

What is a spit?

A

Sediment reaching into the water

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2
Q

Water that does not soak into the ground or evaporate is called _______

A

Runoff

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3
Q

All of the water the feeds a lake or river system is called a(n) ___________

A

Watershed

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4
Q

A(n) ___________ is a curve in a river that has been cut off from the rest of the river.

A

Oxbow Lake

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5
Q

A(n) _______________ is a deposit from wave action bringing material away from the shore.

A

Sandbar

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6
Q

A curve in a river system is called a(n)

A

Meander

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6
Q

A(n) ___________ is a triangular shaped deposit of material as a river enters a larger body of water.

A

Delta

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7
Q

As waves crash on the shore, a(n) __________ is created that pulls material away from the beach.

A

Undertow

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7
Q

_____________ is when waves get deflected by the shoreline causing them to move down the shore.

A

LongShore Current

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8
Q

A(n) _____________is a triangular shaped deposit of material at the base of a mountain or hill.

A

alluvial fan

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9
Q

What are the water Erosion types?

A

Running Water and Wave action

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9
Q

A(n) ____________ seperates watersheds from each other.

A

Divide
Ex Rockies and savage street in SL

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10
Q

Running water Erosion is caused from….

A
  1. runoff
  2. streams
  3. rivers
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10
Q

Running water creates ???

A

Runoff

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11
Q

Runoff is effected by….

A
  1. Soil
  2. Precipitation
  3. Vegetation
  4. Slope
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12
Q

Does water moving faster move more material? t/f

A

True

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13
Q

which feature formed as a result of the growth of a spit?

A

A baymouth Bar

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14
Q

Describe how barrier islands and tombolo form.

A

Undertow pulling away

15
Q

What bodies of water are protected from the oceans waves?

16
Q

Where did the sediment needed to build depositional features shown come from?

17
Q

What are 3 things that can happen to water when it rains?

A

Evaporation, runoff, soak into the ground.

18
Q

Why do meanders form on rivers?

A

the river wants to continue the way it goes in a curving pattern they connect and eventually become a meander.

19
Q

How do deltas form?

A

A river enters a larger body of water and loses energy dropping material/sediments.

20
Q

Why do beaches have differences in the sand?

A

The rocks, the climate, if people go there often.

21
How do sandbars form away from the shore?
Undertow dropping sediments
22
An example of an erosional feature formed from running water is ___________.
Meander
23
An example of deposition from wave action is a ___________.
Beach
24
___________ determines the amount of runoff. a. The amount of vegetation b. The amount of rain c. The slope of the land d. All the above
d. All the above
25
When people remove vegetation, they _________ runoff and the erosion process.
speed up
26
barrier island
a narrow deposit of sand that runs parallel to the shoreline
27
beach
a deposit of sediment from the erosion of shorelines
28
floodplain
low flat area next to a river that can fill with water during high waters
29
meander
curve in a stream
30
oxbow lake
a cutoff meander
31
Water that flows over land and neither soaks into the ground or evaporates is called
runoff
31
longshore current
flow of water that moves along the shoreline
32
watershed
the land area that supplies a water system
33
A triangular deposit when a river enters a larger body of water is called a(n)
delta
34
The depositional feature in Lake Michigan formed when sand is brought away from the shoreline is called a(n)
sandbar
35
Meander
water erodes outside the curves Ex: inertia
36
water always has to go somewhere...
1.flows downhill 2. floodplains 3. fils lakes and streams
37
Running water deposition
When water loses all its energy it drops sediment.
38
Running water deposition examples
alluvial fan, delta, plume, inside of a curve