Tag Archives: Climate

Let my brew fool you.

In Fiordland, runoff from the unusually high rainfall creates a permanent tannin stained fresh water layer ranging in depth between 5cm and 10m on top of the salt water.

This dark fresh water layer prevents light from penetrating the ocean and as a consequence many marine species which are usually restricted to deep water (depth larger than 100 meters) flourish in shallow water (depths of less than 50 meters).

This allows recreational divers to observe species that normally live beyond their recreational dive depth range.

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Tannin stained fresh water floats on top of the heavier, warmer salt water below, Fiordland, New Zealand.

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Seven meters of rain a year!

Fiordland, New Zealand’s largest national park, in the south west corner of the south island is one of the highest rainfall areas in the world.

As much as 8,000 mm (average of around 7,000 mm) of rain will fall in a year and rain will fall on more than 200 days of the year.

 

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Rainwater runoff cascading into the ocean below, Doubtful Sound, New Zealand.

Department of conservation (DOC) info on Fiordland.

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