river terminology part 3

Question 1

meander scar

Answer 1

remains of an old meander bend (dry)

Question 2

non perennial river

Answer 2

is a seasonal river flows only for part of the year (dotted blue line)

Question 3

ox bow lakes

Answer 3

meanders shift causing old meander grooves to remain and these sometimes fill with water

Question 4

infiltration

Answer 4

water seeping from surface down to water table

Question 5

perennial river

Answer 5

flows the entire year(solid blue on map)

Question 6

permanent base level

Answer 6

lowest point which a river can erode to , the ocean

Question 7

permeability

Answer 7

ability for water to flow through a rock

Question 8

radial stream pattern

Answer 8

water flow away from high central point

Question 9

rectangular stream pattern

Answer 9

river changed direction sharply / faulted sedimentary rock or shrinkage joints in igneous rock

Question 10

rejuvenation

Answer 10

river that has more energy to allow it to flow faster thus also erode more

Question 11

river capture

Answer 11

one river captures another rivers water

Question 12

river load

Answer 12

material carried by river. Large bed load , bouncing saltation load , suspended load , solution /dissolved load and floatiing load

Question 13

rock controlled channel

Answer 13

straight river in upper course , steep with large bed load

Question 14

sheet flow

Answer 14

thin layer of water flowing over surface of earth

Question 15

slip off bank

Answer 15

inner bend on meander where river flows slowly and deposition occurs forming a fertile convex slope