Gairloch High School,
Geography Department
Abhainn Srath na
Sealga
photographs 13-16
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Photograph 13
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(077801, northwest)
The new channel created by the upstream movement
of the waterfall is shown in this view.
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Photograph 14
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(077801, southwest)
This photograph taken in 1998 shows the river
having completed the change in its course. The view should be
compared with photograph which was taken from a similar
location.
Task A
14.1 Refer to the O.S. map and use the information
from photographs 8 to 14 to draw a labelled sketch-map of the changes
in the river's course.
Task B
14.2 Write a detailed and illustrated account of
the changes in the river's course.
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Photograph 15
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(073805, southwest)
There is further evidence of the change in the
course of the river in this photograph.
Task A
15.1 How is the semi-circular feature in the
photograph indicated on the map?
15.2 What evidence of erosion is shown on this
photograph and why is it happening where it is?
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Photograph 16
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(070808, west)
The river broadens in its final kilometre before
reaching the ribbon loch shown here. It is joined by another river
from the south. The river is still some way from the sea but this is
a natural break at which to leave it.
Task A
16.1 Name a. the loch; b. the mountain on the
left; c. the mountain beyond the one on the left; d. the river
joining from the south.
16.2 What is the term for where a river joins
another?
16.3 What term is used for the smaller river
joining the main one?
Task B
16.4 On a piece of tracing paper, plot the river
being studied and its watershed from its source to where it is met by
the river referred to above.
16.5 Calculate the river's catchment
area.
Summary
Using map, photographs and text, draw a map to
show all the main features of this river. This could be added to the
tracing if task 16.4 was completed.
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