New Zealand Initiatives on Ice-Ocean Interaction: Polar Ocean Processes from Ice Shelves to the Marginal Ice Zone

Craig Stevens1,2*, Stefan Jendersie3, Alison Kohout1, Pat Langhorne3, Natalie Robinson1 & Mike Williams1 et al… 1NIWA, 2University of Auckland, 3University of Otago.

1. The Big Picture

2. Hot off the Drawing Board

In situ Process Observations

Modelling – Regional/Climate

NASA

Ross Ice Shelf Cavity

Fast Ice

Circulation

Marginal Ice Zone

Climate Scales

Ross Ice Shelf Cavity Williams/Stewart/Stevens

Arzeno et al JGR 2014

Fast Ice & Remote Sensing Langhorne/Robinson/Rack

O’Connor

Robinson et al submitted.

Regional Circulation Jendersie/Robertson/Williams

Jendersie Phd

Marginal Ice Kohout/Williams/Dean

Climate Impacts Smith/Pauling/Bitz

The mission of The Deep South National Science Challenge is to enable New Zealanders to adapt, manage risk, and thrive in a changing climate:

• Engagement

• Vision Mātauranga

• Impacts & Implications

• Earth System Modelling

• Processes & Observations

Climate Impacts: Deep South Behrens

Recent Results…

~15km

gsfc.nasa.gov Drygalski_ASAR_2005053

Pow

er

spec d

ensity

Raw data courtesy Alex Forrest/UBC

AcknowledgementsRobin Robertson, Erik Behrens, Brett Grant, Inga Smith, Gabby O’Connor, Andrew Pauling, Wolfgang Rack, Giannetta Fusco, Miles McPhee, Chris Zappa, Tim Haskell, Craig Stewart, Alex Forrest, Greg Leonard, Won Sang Lee, Sukyoung Yun, Cecilia Bitz, Mike Brewer.

Antarctica NZ, Staff at Scott Base, Mario Zuchelli & Jang Bogo Station, Helicopters NZ, IBRV Araon.

Funding:

- Marsden Fund

- Korean KOPRI

- Antarctica New Zealand

- NZARI

- Deep South NSC

- NZ MBIE

- Italian PNRA/UniParthenope