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Michail Fragkias on Muck Rack

Michail Fragkias

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Articles

Satellite imagery reveals increasing volatility in human night-time activity

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By Tian Li, Zhuosen Wang, Christopher Kyba, Miguel Roman, Karen C. Seto, Yun Yang, Shi Qiu, Theres Kuester, Michail Fragkias, Xiang Chen, Thomas Meyer, Chadwick D. Rittenhouse, Xiaonan Tai, Mari Cullerton, Falu Hong, Ashley Grinstead, Kexin Song, Ji Won Suh, Xiucheng Yang, Virginia L. Kalb, Chengbin Deng, Zhe Zhu
| Nature Verified
Abstract Artificial light at night (ALAN) marks the global impact of humanity1,2. Yet, our understanding of its true ebb and flow has been limited, often based on temporally aggregated satellite data that obscure finer dynamics. Here, using daily night-time satellite imagery3 and a continuous change detection approach4,5, we created global maps of high-frequency ALAN dynamics (2014–2022).
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