lesson objectivesBy the end of the lesson, you will be able to:
lesson objectivesBy the end of the lesson, you will be able to:
lesson objectivesBy the end of the lesson, you will be able to:
lesson objectivesBy the end of the lesson, you will be able to:
so that you will be able to
lesson objectivesBy the end of the lesson, you will be able to:
so that you will be able to
how does this lesson work?1) Refer to your notes2) You are given the reaction or outcome for what’s relevant.3) The slides will tell you more about the coastal management strategies one at a time.4) You will be given more information about each strategy.
how does this lesson work?5) At the end of each strategy, you will need to look at your notes. and use the information you got from the slides.
how does this lesson work?5) At the end of each strategy, you will need to look at your notes. and use the information you got from the slides.
6) If you are given the reaction,
how does this lesson work?5) At the end of each strategy, you will need to look at your notes. and use the information you got from the slides.
6) If you are given the reaction,
Come up with your
own outcome
how does this lesson work?5) At the end of each strategy, you will need to look at your notes. and use the information you got from the slides.
6) If you are given the reaction,
Come up with your
own outcome
7) If you are given the outcome
how does this lesson work?5) At the end of each strategy, you will need to look at your notes. and use the information you got from the slides.
6) If you are given the reaction,
Come up with your
own outcome
7) If you are given the outcome
Come up with your
own reaction
6) If both the reaction and
outcome are not given
6) If both the reaction and
outcome are not given
decide if it should be cancelled
out.
ready?
1) Stabalising coastal dunes
what are coastal dunes?
these are coastal dunes- huge piles of sand at
the coast
how huge?
You see this group of people over here?
coastal dunes are formed naturally in some coasts
sea
coastal areas behind the
coastal dunecostal dune
sea
costal dunecoastal areas behind the
coastal dune
If a huge wave were to approach
the coast
sea
costal dunecoastal areas behind the
coastal dune
If a huge wave were to approach
the coast
What can coastal dunes do to the
thus people see the value of coastal dunes as a form of protection
They grow vegetation on it so that the roots can trap
the sand and stop the dunes from moving. Hence
stabilising the coastal dunes.
END OF COASTAL DUNES
deal with pg 22-23 of your notes.
2) Planting of mangroves
These are mangrove trees
What do you notice about its roots?
What do you notice about its roots?
What do you notice about its roots?
What happens when waves pass through the
roots?
Banda Aceh, 2004, before tsunami
Mangrove Forest
Mangrove Forest
Mangrove Forest
Mangrove Forest
removed
Mangrove Forest removed
Banda Aceh, 2004, After the tsunami
Mangrove Forest
Mangrove Forest
Mangrove Forest
Mangrove Forest
removed
Mangrove Forest removed
END OF PLANTING OF MANGROVES
deal with pg 24-25 of your notes.
3) Beach NourishmentAdding of materials to make the beach bigger
original beach
original beach
Beach being nourishedto make it bigger
original beach
original beach
Beach being nourishedto make it bigger
Classic Example
Miami
Beach, USA
Miami
Beach, USA
1970sNo beach!
Miami
Beach, USA
1970sNo beach!
Hey there’s abeach
After beach nourishment,
END OF BEACH NOURISHMENT
deal with pg 26-27 of your notes.
4) Encouraging growth of coral reefs
What are coral reefs?
let’s go under the sea!
Corals : small living organismsCoral reefs :
Huge stone-like structures
created by corals for them to live
in
More coral reefs
How big are coral reefs
Coral Reefs
Coral Reefs
Coral Reefs
What did coral reefs do to the depth of the sea?
island before coral reefs
island
sea floor
sea
island after coral reefs
island
sea floor
seacoral reefscoral reefs
island after coral reefs
island
sea floor
seacoral reefscoral reefs
What will coral reefs do to a
wave approaching the
island?
Coral Reefs
you see what coral reefs does to the depth of the sea?
As you can see, coral reefs have a lot of benefits. So some countries tries to
encourage its growth.
Corals require a certain base to build reefs and start growing. So some engineers
encourage the growth of corals by adding structures onto the sea floors.
CoralsMetal Structure
Bricks
Even old ships are sunk to encourage the growth of corals! Railing for the front of
the ship
END OF ENCOURAGING THE GROWTH OF CORAL REEFSdeal with pg 28-29 of your notes.