Rotomahana

Pink Terraces found!

The Pink Terraces of Rotomahana before the Tarawera Eruption of 1886 (Permission of the Alexander Turnbull Library, Wellington, New Zealand, must be obtained before any re-use of this image).  Devastation after the Tarawera eruption Yes – the unbelievable news is, that inspite of being located at the centre of New Zealand’s most violent eruption of …

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Scanning Details of Rotomahana Lake Bed

Vicki Ferrini from Columbia University in the US, is a specialist at processing data from the side scanning sonar. In the photo taken from the shelter on the lake shore, she is showing her american colleagues some of the images that she has produced shortly after downloading data from the last AUV mission. Sharon Walker …

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Rotomahana lake floor comes into focus

There are three more days left before the scientists have to end the survey, and all systems are operating well. A boat from the University of Waikato has been used for several different purposes, including a magnetometer survey and also CTD (Conductivity Temperature and Depth) measurements. Data from the different surveys are processed each day …

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Sensing Remote Rotomahana

The submersibles, like two faithful and intelligent mechanised mammals, conitnued their diving and tracking progress today, closely monitored by their attentive minders. Seeking them at the end of a mission when they automatically float to the surface, is very reminiscent of looking for whales or dolphins, with only their ‘dorsal fins’ visible above water. Most …

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Lake Rotomahana starts to show her hidden side

Today was a very active day for our research below and around Lake Rotomahana The different teams were working on or around the lake included: A gravity survey of the back country to the East of the Lake Magnetic survey of the lake floor Rock sampling survey of volcanic deposits from points around the lake …

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