FILL IN THE BLANKS | Increase or Decrease | DEFINITION |
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Multiple landslide events in the same place can be ___________, _________, or ___________.
Retrogressive, piecemeal, or reactivate
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The presence of more plants (increases or decreases) the vulnerability of an area to landslides.
Decreases
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Changes in water flow.
WATER DOING SOMETHING DIFFERENT
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_________ are created by the stress of geological material pulling apart.
Tension Cracks
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High and frequent rainfall (increases or decreases) the occurrence of a geologic hazard.
Increases
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These are caused by the stress and friction produced by geologic materials moving apart which forms steep lines of cracks in the terrain.
TENSION CRACKS
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_________ trees are a patch of angled forest on a slope
J-curved
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Earthquake on an uphill area (increases or decreases) exposure to landslides.
Increases
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Deformation and movement of non-living objects not caused by human manipulation can also indicate a landslide.
THINGS MOVING
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Water levels on a creek suddenly dropping can be due to
______________.
An upstream obstruction like a landslide
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Extremely dry weather can (increase or decrease) the occurrence of sinkholes.
Increases
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If there’s frequent occurrence of landslides in a section, it implies that the soil in this area is weak and has unstable geology; thus, more susceptible to landslides.
EARLIER LANDSLIDE AS INDICATOR
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___________ is a very wet, very mobile landslide, where water is loaded with trees, mud, rock, and everything else caught in the current.
Debris flow
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Heat during a wild fire (increases, decreases) the hydrophobic capacity of the soil.
Increases
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Springs, seep, or wet ground may appear on a seemingly dry terrain. Similarly, unexpected withdrawal of water also indicates the same. Water causes alteration of the pressure within the slopes of a terrain.
WATER DOING SOMETHING DIFFERENT
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