2 days ago
State to survey lakes with drones, rovers
Bengaluru: To eliminate the need for repeated surveys of lakes and improve conservation efforts, the state survey and settlement department (SSLR) has switched to high-tech digital mapping, using drones and rovers.
This large-scale effort, covering thousands of waterbodies, is expected to modernise how the state tracks its lakes and prevent encroachments.
SSLR commissioner J Manjunath said. "We will also mark buffer zones of the lakes during the survey. This digital survey will be helpful to preserve, conserve, and protect the lakes," he added.
To manage the data generated from these surveys, the department has developed dedicated software named Web GiS, which will serve as a centralised database for various govt agencies.
Each surveyed lake's file will include its exact GPS coordinates, survey numbers, boundaries, extent, ownership (govt department or agency), encroachment details if any, and survey sketches.
In the past two years alone, digital surveys were completed for 8,433 lakes using drones and rovers. These details have already been uploaded on Web GiS. Officials estimate only 6,210 lakes remain to be digitally mapped. This final leg of the digital survey is expected to be completed by Dec 31, 2025.
by Taboola
by Taboola
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Overall, the department has identified 41,849 lakes across Karnataka. Traditional survey methods using chains and compasses had earlier been used to survey 27,206 lakes. The department adopted the digital approach to complete the survey of the remaining 14,643 lakes, of which 8,433 have been digitally mapped.
Initially, the Web GiS data will be restricted to govt agencies, but officials say the data will later be made public, enhancing transparency and access.
