Tracking covid-19 urban activity changes in the middle east from nighttime lights

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SUMMARY

    The authors used a time-series distance analysis between Black Marble NTL and Google mobility data on the 24 urban areas where there was an overlap in data coverage to measure time-series similarity. Mobility and NTL had similar temporal signatures in a large majority of urban areas and countries tested (Fig 2). The authors iteratively identified the largest 15 sustained increases or decreases in radiance in the November 2018-June 2020 Black Marble time-series for each urban area, and the corresponding dates of change, magnitudes of change, and directions of change ("Time . . .

     

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