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Tokyo Flood Prevention | Insane underground tunnel system in Japan!

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Fifty metres under Tokyo lies a subterranean world — 6.4 kilometres of tunnels, water tanks and massive pillars constructed to withstand 200 tonnes of water per second. This engineering marvel built to protect the ever-present threat of Tokyo flooding. Subscribe to ABC Science YouTube 👉 https://ab.co/2YFO4Go Australians can watch Catalyst on ABC iview: http://iview.abc.net.au/programs/cata... This is an official Australian Broadcasting Corporation YouTube channel. ******** Contributions may be removed if they violate ABC's Online Conditions of Use http://www.abc.net.au/conditions.htm (Section 3).

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the threats of global warming, floods, earthquakes - a variety of natural disasters

2:25

So the Blue Sluice Gate's main function is to control these unpredictable flood events

4:12

In the case of Arakawa the design flood discharge

4:34

Tokyo Flood Prevention | Insane underground tunnel system in Japan!

N/ALikes

4,126,445Views

2014Oct 28

the threats of global warming, floods, earthquakes - a variety of natural disasters

2:25

So the Blue Sluice Gate's main function is to control these unpredictable flood events

4:12

In the case of Arakawa the design flood discharge

4:34

Transcript

Follow along using the transcript.

ABC Science

540K subscribers

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Tokyo Flood Prevention | Insane underground tunnel system in Japan!

Key moments View all

the threats of global warming, floods, earthquakes - a variety of natural disasters

the threats of global warming, floods, earthquakes - a variety of natural disasters

the threats of global warming, floods, earthquakes - a variety of natural disasters

So the Blue Sluice Gate's main function is to control these unpredictable flood events

So the Blue Sluice Gate's main function is to control these unpredictable flood events

So the Blue Sluice Gate's main function is to control these unpredictable flood events

In the case of Arakawa the design flood discharge

In the case of Arakawa the design flood discharge

In the case of Arakawa the design flood discharge

ABC Science

Tokyo Flood Prevention | Insane underground tunnel system in Japan!

Comments 3.1K

Key moments

the threats of global warming, floods, earthquakes - a variety of natural disasters

the threats of global warming, floods, earthquakes - a variety of natural disasters

the threats of global warming, floods, earthquakes - a variety of natural disasters

So the Blue Sluice Gate's main function is to control these unpredictable flood events

So the Blue Sluice Gate's main function is to control these unpredictable flood events

So the Blue Sluice Gate's main function is to control these unpredictable flood events

In the case of Arakawa the design flood discharge

In the case of Arakawa the design flood discharge

In the case of Arakawa the design flood discharge

Description

Key moments View all

the threats of global warming, floods, earthquakes - a variety of natural disasters

the threats of global warming, floods, earthquakes - a variety of natural disasters

the threats of global warming, floods, earthquakes - a variety of natural disasters

So the Blue Sluice Gate's main function is to control these unpredictable flood events

So the Blue Sluice Gate's main function is to control these unpredictable flood events

So the Blue Sluice Gate's main function is to control these unpredictable flood events

In the case of Arakawa the design flood discharge

In the case of Arakawa the design flood discharge

In the case of Arakawa the design flood discharge

ABC Science

Transcript

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Inside the Doomsday Bunker for the Super Rich

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How Japan Builds Flood-Proof Cities

The Insane Scale of Tokyo’s Disaster Megaplan

Why This Japanese Island is Abandoned

The Insane Plan to Dam the North Sea

Judge Fines Pam Bondi for Wearing a Cross—Then Uncovers Her Legal Brilliance

How French Drains Work

War in Color: Hitler - Original Images UNCENSORED

How Japan Keeps Clean

What stops rain from flooding your city?

The Big Problem That Happened After We Nuked Space

Magnitude 9.3: at the heart of the Tsunami

Why Japan is Hollowing Out a Mountain

Who Killed the Colorado River?

NASA'S Plutonium Problem

Japanese street gutters are NOT this clean

Key moments

Key moments