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New nighttime light data, new insights on how the Earth is changing


New nighttime light data, new insights on how the Earth is changing
Manhattan, New York City, United States. Photo by NASA on Unsplash
Much research has suggested that night-time lights can, to a certain degree, represent several variables, including urbanisation, density, and economic growth. 
To speed up research efforts and applications, the World Bank released open access, analysis-ready, nightlight data set under Amazon Web Services (AWS) open public data set program.
The Light Every Night (LEN) data set includes the complete archive of all nighttime imagery captured
each night over the last three decades. It results from a collaboration between the World Bank, NOAA, and the University of Michigan.  ....

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Light Every Night – New nighttime light data set and tools for development


Light Every Night – New nighttime light data set and tools for development
Illustration of a satellite view of Planet Earth. ©Rakchai Duangdee/Shutterstock
The power was out again. Sitting in a darkened room in western Senegal, the man talked happily about how the arrival of electricity a decade ago had transformed life in the village of Gaouane. But becoming accustomed to reliable electricity had an unexpected downside: “Now when the power goes out, it feels even darker than before we had electricity!”
The World Bank and its partners have been at the forefront of this charge. Supported by an early World Bank Innovations Fund grant, Kwawu Gaba and Brian Min compared ground-based data from hundreds of West African villages, including in Gaouane, against nighttime satellite imagery. This was the first study to directly detect rural electrification at the village level using satellite imagery. ....

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