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Argos DCS System Use Agreement of the Month
– March 2015

GNS Science (aka, Institute of Geological and Nuclear Sciences Limited) Ruapehu Crater Lake Monitoring


We aim to measure and record the temperature, level and chemical properties of the Ruapehu Crater Lake in Central North Island (New Zealand), through which all of the recent eruptions from Ruapehu Volcano have occurred. (The most recent eruption occurred in September 2007, and badly injured a climber in a nearby mountain hut.)

These records will improve our models of the volcanic inputs and processes affecting the lake, with the objective of improving our ability to forecast volcanic activity.

This work is part of the Volcano objective of our Geological Hazards and Society Research Program, funded by the New Zealand Foundation for Research, Science & Technology (FRST).

Crater Lake is in a basin surrounded by a number of peaks of Mt Ruapehu (elevation 2797 m). This means we are unable to use terrestrial radio links to get data out from this location, hence the request for Argos satellite links.



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