The City’s Flood Map Goes Global

By: The Hindu

The technology for Chennai Flood Map lies at the intersection of three revolutionary changes. First, since the app allows crowdsourcing, it enables ordinary citizens to contribute their local knowledge to the application. While each citizen might know of the flooding situation only in their locality, by pooling together the knowledge from thousands of citizens, the app is able to piece together the flooding status across the entire city in real time.

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