Geo Assignment Pt2 Flashcards
1
Q
Pebble shape
A
33% sub angular
23% angular
Waterfall nearby
Makes a plunge pool leaving jagged rocks
LOCATION 2
half were rounded to a degree
Attrition
2
Q
Velocity
A
Larger channel in middle course allowing more water
Decrease friction
Rougher bed in location 1 making resistance
3
Q
PEBBLE WIDTH LEGBTH
A
Doesn’t match model
Caused by many things
Steep gradient not enough time to erode
Human error
PT2
Still doesn’t match
High sediment in water
Gives more energy to carry heavy things down stream
4
Q
Depth
A
5x increase
Middle course has more tributary’s
River widens and deepens
Whereas location 1 erodes horizontal not vertical
5
Q
Conclusion
A
Meets most points
Pebble shape matches the best
Length didn’t match
Human error
Bring better equipment and spare time
