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what is the controlling force behing mass wasting

Gravity
name 4 of the controls and triggers of mass wasting
- Oversteepened slopes
- water content of the soil
- Removal of vegetation
- Earthquakes/volcanoes
What do you call the steepest angle that a slope can maintain without collapsing

Angle of Repose
What are the fast mass wasting movements

Rock fall, rockslide, mudflow, debris flow, ash flow, lahar and Slump. you just need to know a couple of these.
what are the 2 slow mass wasting movements and Xplain them
- Creep: curved trees
- Solifluction(soil flow): in arctic or tundra regions
where are headwaters?

near the top of mountains where the tributaries are
where is the mouth of a river

the lowest point, usually going to ocean
define drainage basin

the area drained by a river
define drainage divides

top o mountains where drainage basins are formed
what is sea level referred to as

Ultimate Base Level
what 4 factors influence a stream's ability to erode and transport
- Velocity(most important)
- Gradient
- Discharge or volume
- Size,shape and roughness
what type of running water erodes the more

faster more than slow
what are the two alluvium deposits called
- Delta in the water
- Alluvial fans on the land
what is the active porcesses that make valleys

Downcutting, rapids, waterfalls
what are 6 signs of old age valleys
- they are fricken wide
- flood plains
- meander bends
- cut anks
- point bars
- ox bow lakes and natural levees
what is the uplift of land after a meander pattern called

entrenched or incised meanders(goosenecks)
define porosity

the percentage of rock conissting of pore space
define permeability

ability/capacity to transmit fluid
what is an aquitard

an impermeable layer(shale works best)
what is aquifer

the permeable layer(sandstone makews best)

Author

punkrammerock

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geo another quiz

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geo another quiz

Updated

2012-10-10T01:35:13Z

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