Opinion remains divided about the impact of heavy industry on ancient rock art at Murujuga, but data from 22 new air quality monitors hopes to help clear up the 'purely anecdotal' and unscientific findings to date.
abc.net.au/news/emissions-damage-to-indigenous-rock-art-at-murujuga/102196718Like many people, Yingibarndi man Glen Aubrey wants to know what impact major gas and fertiliser plants are having on ancient rock art within a World Heritage-nominated area in Western Australia's north.
Described as the largest and most comprehensive rock art monitoring program ever implemented in the world, the research will be used to set new emissions standards."Some of these rock art have been here over 50,000 years and to see the amount of rock art in the area, it's something you've got to see for yourself."
Despite significant research into whether emissions are damaging rock art in the Murujuga region, opinion remains divided."The previous work, whoever has done it, either hasn't had the statistical power to make any determination of what's happening, or has been purely anecdotal and not of any sound scientific basis," he says.
"The primary measure is a change in colour on the surface, but within that we can also see precursors to colour change, which are chemical reactions possibly.Fine art conservator Andrew Thorn teaches MAC ranger Glen Aubrey how to use specialist equipment to photograph petroglyphs.A team of 55 people are working on the project and Professor Mullins says the field-work will be combined with laboratory work to create a complete understanding of the impact of emissions on the rock art.
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