Author Question: What happens as streamflow exits the mouth of a canyon and onto an alluvial fan? a. the stream ... (Read 64 times)

lb_gilbert · **on:** Aug 7, 2018

What happens as streamflow exits the mouth of a canyon and onto an alluvial fan?
a. the stream widens, but flows at the same velocity
b. stream competence stays constant
c. stream capacity increases
d. the stream erodes more than it deposits
e. the stream widens and stream velocity decreases

Question 2

Barchans _____.
a. are a type of longitudinal dune
b. have slip faces oriented parallel to the average wind direction
c. have arms that point downwind
d. are typically stabilized by vegetation
e. are composed of gravel