Australasia at night, 1993-2003 changes

Australasia at night, 1993-2003 changes

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Credit: NOAA/SCIENCE PHOTO LIBRARY

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Caption: Australasia at night, showing the change in illumination from 1993-2003. This data is based on satellite observations. Lights are colour-coded. Red lights appeared during that period. Orange and yellow areas are regions of high and low intensity lighting respectively that increased in brightness over the ten years. Grey areas are unchanged. Pale blue and dark blue areas are of low and high intensity lighting that decreased in brightness. Very dark blue areas were present in 1993 and had disappeared by 2003. Light levels in this region stayed similar, but the Indonesian island of Java (upper left) is mainly red, reflecting its industrialisation.

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Keywords: 1993, 2003, 21st century, asia, asian, australasia, australia, australian, brightening, change, changes, cities, city, continent, decade, difference, differences, earth observation, earth science, from space, illuminating, illumination, indonesia, java, light, light pollution, lights, many, multiple, new, new zealand, night, night time, night-time, nighttime, old, satellite image, sciences, south east asia, time, urbanisation

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