No.17 2007

What lies beneath Wellington Harbour?

New insight on sediment processes

Recyclers of the coastal zone

The changing map of Antarctica

Recyclers of the coastal zone

Argo deployment reaches new milestones

Dr Drew Lohrer setting up benthic chambers on Waitemata Harbour sandflats. (Photo: Luca Chiaroni, NIWA)

Worldwide, there is growing recognition of the services nature provides that effectively sustain life and business on our planet. NIWA research is highlighting the vital services provided by estuarine ecosystems and the threats they face.
Estuaries act as filters and recyclers: processing nutrients, contaminants, and sediments that are washed off the land.

The changing map of Antarctica

The changing map of Antarctica

Scott Island and the adjacent 60 m high Haggitts Pillar. (Photo: John Mitchell, NIWA)

The seas of Antarctica are amongst the most inhospitable in the world, so it is not too surprising that historically their mapping has left a lot to be desired.
That is changing, however, as NIWA’s research vessel Tangaroa carries scientists to Antarctica to survey islands and map the seabed.

Research subject: Oceans