Underwater robot getting close-up look at Kaikōura Canyon

Underwater robot getting close-up look at Kaikōura Canyon

Voyage leader and NIWA marine geologist Dr Joshu Mountjoy says this is the first time this technology has been used to survey submarine canyons in New Zealand waters and information collected will lead to new understanding relevant to many of the world’s continental margins.

NIWA mapping seafloor around Whakaari/White Island

NIWA mapping seafloor around Whakaari/White Island

NIWA scientists are heading to the waters around Whakaari/White Island in the Bay of Plenty next week to survey changes to the seafloor.No-one has collected water column imaging close to Whakaari so this is an incredible opportunity to discover new areas of volcanic activity.”.

Large freshwater find off Canterbury coast

Large freshwater find off Canterbury coast

NIWA marine geologist Dr Joshu Mountjoy says the discovery is one of the few times a significant offshore aquifer has been located around the world and may lead to a new freshwater resource for the region.

Methane seep research bubbling along

Methane seep research bubbling along

Dr Mountjoy says there is a significant underground gas source which is suspected of causing underwater landslides and may be related to deeper fluids in the subduction zone that can in turn influence earthquake behaviour.

NIWA mapping Whakatipu lake floor

NIWA mapping Whakatipu lake floor

For the first time the Whakatipu lake floor will be mapped to build a picture of the potential for local tsunami hazards in the future.

Kaikōura earthquake provides world-first insight into submarine canyons

Kaikōura earthquake provides world-first insight into submarine canyons

“This study unequivocally demonstrates that earthquake-triggered canyon flushing is the primary process that carves out submarine canyons and delivers coastal sediment to the deep ocean,” says NIWA marine geologist Dr Joshu Mountjoy.