Author Question: Describe or sketch how an erosional floodplain develops. What will be an ideal ... (Read 62 times)

drink · **on:** Jul 14, 2018

Describe or sketch how an erosional floodplain develops.

What will be an ideal response?

Question 2

Water's temperature increases slowly because some of the energy absorbed is used to ________ instead of to increase the kinetic energy of the molecules.

A) break hydrogen bonds B) decrease the specific heat of the water
C) create hydrogen bonds D) decrease the motion of the water molecules

scrocafella · **Reply #1 on:** Jul 14, 2018

Answer to Question 1

Once a stream is close to base level, it essentially ceases to incise. At this point it now erodes its banks more than its bed. As this occurs, the river is widening its channel and begins to form meander loops as it exerts its energy from side to side rather than downward. Over time, the continued lateral erosion and migration of meanders creates a flat valley floor that floods with seasonal high water; thus, it is a floodplain.

Answer to Question 2

A