21.03.2015 Views

WWF Shining a spotlight on the biodiversity of ... - MarineNZ.org.nz

WWF Shining a spotlight on the biodiversity of ... - MarineNZ.org.nz

WWF Shining a spotlight on the biodiversity of ... - MarineNZ.org.nz

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

Surface currents in <strong>the</strong> New Zealand Regi<strong>on</strong><br />

Ocean surface currents in <strong>the</strong> New Zealand Regi<strong>on</strong>.<br />

The Tasman Fr<strong>on</strong>t (TF), <strong>the</strong> Subtropical Fr<strong>on</strong>t<br />

(STF), and <strong>the</strong> Subantarctic Fr<strong>on</strong>t (SAF) approach<br />

New Zealand from <strong>the</strong> west. The STF represents<br />

<strong>the</strong> meeting <strong>of</strong> Subtropical Water (STW) and<br />

Subantarctic Water (SAW), while <strong>the</strong> SAF is formed<br />

by <strong>the</strong> meeting <strong>of</strong> SAW and Circumpolar Surface<br />

Water (CSW). The fr<strong>on</strong>ts c<strong>on</strong>tain or generate<br />

currents and <strong>the</strong>re are several permanent eddies<br />

<strong>of</strong>f <strong>the</strong> eastern North Island (EAUC, East Auckland<br />

Current; WAUC, West Auckland Current; ECC, East<br />

Cape Current; DC, D’Urville Current; WC, Westland<br />

Current; SC, Southland Current; ACC, Antarctic<br />

Circumpolar Current; NCE, North Cape Eddy; ECE,<br />

East Cape Eddy; WE, Wairarapa Eddy) There are also<br />

areas <strong>of</strong> tidal mixing in Foveaux Strait, between<br />

Stewart Island and <strong>the</strong> South Island, in Cook Strait,<br />

between <strong>the</strong> North and South Islands, and North <strong>of</strong><br />

Cape Reinga. (Carter et. al 1998) Image provided<br />

courtesy <strong>of</strong> NIWA.<br />

14 ■ BIODIVERSITY – NEW ZEALAND’S MARINE ECOREGION

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!