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Transcript of MARIANA TRENCH
CHOO ZHE RUI
LEOW XIAO XIAN
Explored only 5 – 7% of the whole ocean floor and 0.5 % of the whole ocean
There is so much more to explore
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
- Challenger Expedition
Sonar was used
Mapped the floor
Jacques Piccard and Don Walsh
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?
ORGANISMS OF THE MARIANA TRENCH
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
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