pink & white terraces - cornel de ronde

Lake Rotomahana Project 2011

GNS Science

Our Mission

“To establish what happened to the Pink and White Terraces’

geothermal system as it evolved from an on land system

to one drowned in Lake Rotomahana”

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The Project Team

• GNS Science (NZ)

• Woods Hole Oceanographic Institution (US)

• Lamont-Doherty Earth Observatory (US)

• National Oceanic and Atmospheric Administration (US)

• University of Waikato (NZ)

• Universitat Bayreuth (Germany)

Acknowledgments

• Te Arawa Lakes Trust Board

• Te Pakira and Hinemihi marae

• Waimangu Valley Ltd

• Timberlands

• Quest Apartments

• Rotorua Library

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Operations

• REMUS 100 AUVs (WHOI, Lamont-Doherty) - 9 missions ea

– Darter — 3D bathymetry and magnetics, 130 line km

– Gudgeon — side-scan and bathymetry, 180 line km

– water properties (CTD, pH, Eh, turbidity) (WHOI, NOAA)

• Surface vessels (GNS, U of Waikato, WHOI)

– Magnetics, 111 line km

– CTD casts (14)

– Camera casts (12)

– Sediment cores (9), scoops (3)

– CO2 flux measurements (20)

– BioFish tows

• Ground studies

– Magnetics (20 km), gravity (20), rocks (50) (GNS)

• hours spent on project = 1725; outreach (blog, schools)

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Maggie photo

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CTDs

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CTD profile?

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camera

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Best bottom pics

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