Story maps

(added on 2009/09/21)

View from the sky 從天而看

Data source: NASA's LandSat 7 Thematic Mapper dated November 2005

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Satellite image provides a valuable tool for understanding the land use/land cover pattern over a large area. This image provides a snapshot of the Pearl River Delta in South China, with Hong Kong being shown in the lower right corner. In this satellite image, taken in November 2005, red indicates vegetation cover, grey indicates built-up area, dark blue indicates water and light blue indicates sediment-laden water.