What happens on a river bend?

advertisement
What happens
on a river bend?
Aims:
What happens on a river
bend?
How meanders and ox-bow
lakes form.
Play part 1 of movie
and discuss what is
happening
MEANDERS ARE BENDS IN A RIVERS COURSE
Aerial View
Cross section
Tasks
A) In the front of your books, write the title:
What happens on a river bend?
B) Just underneath the title, copy the summary on page 13
C) (i) Using Fig A on page 12 to help you, produce a labelled sketch of
a meander and explain its formation.
(ii) On this sketch you must also label: Floodplain, Meander and
Alluvium (Use Fig D on page 13 to help you)
D)
Using pages 102-104, write definitions for the terminology:
River Cliff, Meander, floodplain, alluvium, silt and ox-bow lake.
Play part 2 of movie
and discuss what is
happening
Formation of meanders
and ox-bow lake
Oxbow Lakes
Draw the diagrams below and explain what is happening in each one.
In your description you must include the following terminology:
Erosion, Deposition, Slowest flow, Fastest flow, Silt, Ox-bow Lake, Inside bend,
Outside bend