Science Gallery is helping Bengaluru rediscover its lakes–by teaching map-making
Image by Sandhya Ramesh.
A hydrology workshop called ‘Uncovering Bengaluru’s Hidden Lakes’ is one of many that the Science Gallery Bengaluru offers every weekend, free of charge.
In this workshop, Palur taught attendees how to see the evolution of a water body using physical maps and satellite imagery with openly available software like QGIS (Quantum Geographic Information System) and Earth Engine. They colour-coded the locations of water bodies on various template maps of the city. The physical maps they used for reference were official copies from the Survey of India, which are no longer available to view or download online. People can no longer buy them in their physical form either.
Acknowledgements
Sandhya Ramesh for The Print.
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