'Before now, only three volcanoes have had permanent SO2 cameras installed on them.'
The new design has a price tag of about $5,000, making the cost of the parts—some of which are 3D-printed—less than about a fourth of that of earlier models.
The SO2 camera installation on Kīlauea volcano, Hawaii, US. The gas plume can be faintly seen rising from the crater at the centre of the image and drifting to the left. The flank of Moana Loa can be seen in the background."We also introduce a user-friendly, freely available software for controlling the instrument and processing the acquired data in a robust manner," Wilkes said.
The system is also energy-efficient, with an average power consumption of 3.75 Watts—around half of what was required to power the earlier designs. According to the researchers, this will be especially helpful at locations where little solar energy can be captured. Their camera uses fewer, smaller, or cheaperWhile there are other tools to measure volcanic emissions, "the SOcamera can provide higher time- and spatial-resolution data which could facilitate new volcanological research when installed permanently," argued Wilkes.
Wilkes and his team also presented two early data sets from Kilauea, a shield volcano in Hawaii's Big Island, and Lascar, a stratovolcano in Chile, where their camera is constantly operating.camera limitations. This includes that they are weather-dependent, performing best in clear, blue skies with the volcanic gas plume moving at a 90-degree angle to the camera's field of view.
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