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C2.3 - Lesson 6: Catchment area of the Rhine
From the mountains to the sea
C2.3: Catchmentarea of the Rhine
zlb@st-maartenscollege.nl
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From the mountains to the sea
C2.3: Catchmentarea of the Rhine
zlb@st-maartenscollege.nl
Slide 1 - Tekstslide
What is the plan for today?
Short repeat of C2.2: Rivers of ice
THE LAST PARAGRAPH
C2.3:
Catchment area of the Rhine
Slide 2 - Tekstslide
Goals of last lesson
You can
explain
the differences in origin between a
U-shaped valley
and a
V-shaped
valley
.
You can
relate
the terms
glacial
tunnel
,
glacial
portal
and
glacier
-
fed
river
to each other.
You can
explain
how the
weathered
material
is carried by 4 different transporters (G83).
You can
describe
the relationship between the flow speed of the river and
erosion
.
Slide 3 - Tekstslide
Slide 4 - Tekstslide
You can
relate
the terms
glacial
tunnel
,
glacial
portal
and
glacier
-
fed
river
to each other.
Slide 5 - Tekstslide
You can
describe
the relationship between the flow speed of the river and erosion.
Slide 6 - Tekstslide
Slide 7 - Tekstslide
CHECK exercises 9 and 10
Slide 8 - Tekstslide
Slide 9 - Tekstslide
C2.3: Catchment area of
the Rhine
Slide 10 - Tekstslide
Today's goals
You can
explain
the relationship between
meanders
and the
flow speed
in the
Upper Plain
(W9, W10, G90).
You can
explain
in 3 steps how an
oxbow lake
is created (W11, G90).
You can
use
a map to show the
watershed
between two
catchment areas
(G120).
You can
explain
why the
flow rate
in summer is much lower than in winter (G120).
Slide 11 - Tekstslide
Catchment area of the Rhine
Catchment area /
watershed
Try to draw a watershed from the side including
the Rhine and the Maas
Slide 12 - Tekstslide
G120 in your GeoGuide
W8 in your workbook
Slide 13 - Tekstslide
Upper- middle- and lower reaches
Slide 14 - Tekstslide
MEANDERING (G90)
A natural bend in a river.
EROSION
SEDIMENTS
Slide 15 - Tekstslide
Meander
On the lowlands -> low flow speed -> less erosion -> wide valley
Rhine will
meander
= make wide bends
Slide 16 - Tekstslide
Slide 17 - Tekstslide
Meanders are getting bigger and bigger. The water flows faster in the outer bend (
erosion
) and slower in the inner bend (
sedimentation
).
Slide 18 - Tekstslide
Formation of an oxbow lake
Slide 19 - Tekstslide
Open exercise 6 in your workbook
Finished? Make exercise 9
Slide 20 - Tekstslide
G79: HORST &
GRABEN
Slide 21 - Tekstslide
Let's go!
Read the text at page 28/29 of your coursebook.
Make exercises 1,
6, 9
of paragraph 3 in your workbook.
Read GeoGuide number 79 & figure 3.26
Rules while working:
You're allowed to work together, but whisper.
Raise your finger if you've a question.
Finished?
Start working out the list of knowledge and skills.
Slide 22 - Tekstslide
G121: Fall and gradient
Fall:
The difference in altitude between two points along a river.
Gradient:
The
fall
per kilometre.
Take question 8 in front of you
Slide 23 - Tekstslide
You can
calculate
the
fall
and
gradient
between 2 points in a river (G121).
FALL & GRADIENT
Slide 24 - Tekstslide
Today's goals
You can
explain
the relationship between
meanders
and the
flow speed
in the
Upper Plain
(W9, W10, G90).
You can
explain
in 3 steps how an
oxbow lake
is created (W11, G90).
You can
use
a map to show the
watershed
between two
catchment areas
(G120).
You can
explain
why the
flow rate
in summer is much lower than in winter (G120).
Answer today's goals in your notebook, it's part of the homework.
Slide 25 - Tekstslide
Homework for next lesson
Make exercises 1, 2, 3, 5 & 6 of paragraph 3 in your workbook.
Slide 26 - Tekstslide
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