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Soft engineering Make up lesson
 

Soft engineering Make up lesson

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    Soft engineering Make up lesson Soft engineering Make up lesson Presentation Transcript

    • soft engineering make-up lesson
    • lesson objectivesBy the end of the lesson, you will beable to:
    • lesson objectivesBy the end of the lesson, you will beable to:
    • lesson objectivesBy the end of the lesson, you will beable to:
    • lesson objectivesBy the end of the lesson, you will beable to: so that you will be able to
    • lesson objectivesBy the end of the lesson, you will beable to: so that you will be able to
    • how does this lessonwork?1) Refer to your notes2) You are given the reaction or outcomefor what’s relevant.3) The slides will tell you more about thecoastal management strategies one at atime.4) You will be given more informationabout each strategy.
    • how does this lessonwork?5) At the end of each strategy, you will need to look at yournotes. and use the information you got from the slides.
    • how does this lessonwork?5) At the end of each strategy, you will need to look at yournotes. and use the information you got from the slides.6) If you are given the reaction,
    • how does this lessonwork?5) At the end of each strategy, you will need to look at yournotes. 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 lessonwork?5) At the end of each strategy, you will need to look at yournotes. and use the information you got from the slides.6) If you are given 7) If you are given the reaction, the outcome Come up with your own outcome
    • how does this lessonwork?5) At the end of each strategy, you will need to look at yournotes. and use the information you got from the slides.6) If you are given 7) If you are given the reaction, the outcome Come up Come up with your with your own own outcome reaction
    • 6) If both the reaction andoutcome are not given
    • 6) If both the reaction andoutcome are not given decide if it should be cancelled out.
    • ready?
    • 1) Stabalising coastaldunes
    • 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
    • coastal areas costal dune behind the coastal dunesea
    • coastal areas If a huge wave costal dune behind thewere to approach coastal dune the coast sea
    • What can coastal dunes do to the coastal areas If a huge wave costal dune behind thewere to approach coastal dune the coast sea
    • thus people see the value ofcoastal dunes as a form ofprotection
    • They grow vegetation on it so that the roots can trapthe sand and stop the dunes from moving. Hencestabilising the coastal dunes.
    • END OFCOASTAL DUNESdeal with pg 22-23 ofyour notes.
    • 2) Planting ofmangroves
    • These are mangrove treesWhat do you notice about its roots?
    • What do you notice about its roots?
    • What do you notice about its roots?
    • What happens whenwaves pass through the roots?
    • Banda Aceh, 2004, before tsunami Mangrove Forest Mangrove Forest removed Mangrove Forest Mangrove Mangrove Forest Forest removed
    • Banda Aceh, 2004, After the tsunami Mangrove Forest Mangrove Forest removed Mangrove Forest Mangrove Mangrove Forest Forest removed
    • END OFPLANTING OFMANGROVESdeal with pg 24-25 ofyour notes.
    • 3) Beach Nourishment Adding of materials to make the beach bigger
    • ch b ea nal igior
    • or igi aln b ea chBeach being nourished to make it bigger
    • origin al bea ch
    • Beach being nourished to make it bigger origin al bea ch
    • Classic Example
    • M iami ach , USABe
    • M iami ach , USABe 1970s No beach!
    • M iami ach , USABe 1970s No beach! After beach nourishment, Hey there’s a beach
    • END OFBEACHNOURISHMENTdeal with pg 26-27 ofyour notes.
    • 4) Encouraging growthof coral reefs
    • What are coral reefs?let’s go under the sea!
    • Corals : small living organisms Coral reefs : Huge stone-like structurescreated 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 sea floor
    • island after coral reefs islandcoral reefs coral reefs sea sea floor
    • island after coral reefs What will coral reefs do to a wave island approaching the island?coral reefs coral reefs sea sea floor
    • you see what coral reefs does to the depth of the sea? Coral Reefs
    • 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 engineersencourage 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 OFENCOURAGING THEGROWTH OF CORALREEFS deal with pg 28-29 of your notes.
    • END OF LESSON