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MARIANA TRENCH

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xoxo leow

on 19 March 2014

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Transcript of MARIANA TRENCH

LOCATION
FORMATION
MARIANA TRENCH
CHIAM ZHONGLIN
CHOO ZHE RUI
LEOW XIAO XIAN
SETBACKS
Explored only 5 – 7% of the whole ocean floor and 0.5 % of the whole ocean
There is so much more to explore
Technology Limitation
Costly!

ACCOMPLISHMENTS
Mariana Trench, the Challenger Deep.
The Challenger expedition of 1872–76
Both Dives were successful
Scuba Dived till about 1000Ft
Learnt about the coral reefs, marine life

HISTORY
1872–76
- Challenger Expedition
1950s
Sonar was used
Mapped the floor

1970

1960
Bathyscaphe Trieste
Jacques Piccard and Don Walsh
LOCATION
2000s
Automation and robotics (ARGO Project)
James Cameron, Deep Sea Challenger


MAJOR REASONS FOR EXPLORATION
Observation, broadening knowledge
Push the boundaries of current technologies to meet new challenges

Is there life down in such depth?
EXPLORATION FINDINGS
ORGANISMS OF THE MARIANA TRENCH
Chemosynthesis
Life span
Evolution
Possible use as a dump site
Was believed that no life could exist at such depths
Diluting radioactive waste
Rapid subduction can rid of the waste efficiently
Refused due to the discovery of a wide variety of organisms
Ultimately banned

Q&A?
MAD!
Long time ago, in a galaxy far far away...
To Infinity and Beyond!
Single cellular organisms
More than 4000 types discovered
Some of them resemble Earth’s earliest life forms
Multi-cellular organisms
Amphipods
Flat fish
Sea-cucumber
Full transcript