pink & white terraces - cornel de ronde
DESCRIPTION
Project leader Cornel de Ronde's presentation about the discovery of remnants of the Pink Terrances beneath Lake Rotomahana.TRANSCRIPT
Lake Rotomahana Project 2011
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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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