Environmental Science
3 years ago

Preserving ancient petroglyphs: NDVI monitoring reveals impact of preservation treatments.

Journal of Conservation Science
Analysis of Changes in Vegetation Index Through Long-term Monitoring of Petroglyphs of Cheonjeon-ri, Ulju
Yu Bin Ahn, Ji Hyun Yoo, Yu Gun Chun, Myeong Seong Lee

Paper Summary

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The researchers used vegetation index to monitor Petroglyphs of Cheonjeon-ri, Ulju from 2014 to 2020. They found that NDVI increased from 2014 to 2018, then decreased in 2020 after preservation treatment. TVI didn't show a clear trend due to variations in spectral reflectance. NDVI is less affected by these variations, making it better for monitoring purposes. Further research is needed to use TVI effectively.