Niger/Nigeria Brightness Data (IMAGE)
Caption
This is brightness data from five cities in Niger and Nigeria. Top row: Left: Map of Africa, Niger shaded in grey; Right: map of Niger showing four major cities of Niger and one city in Nigeria, which was also included in this study. Middle row: Map of pixels of each city included in this analysis. Color of pixel indicates relative mean brightness (yellow/orange = brightest; red = above mean; light grey = mean or slightly below; dark grey = below mean). Bottom row: Smoothed relative brightness for each pixel in each city plotted against day of year. Mean for each pixel is plotted at zero, thickness of red line is correlated to mean brightness. Dashed vertical lines bound beginning and end of annual rainy season for each city.
Credit
Nita Bharti, Penn State
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License
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