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Government GIS

Indian state to develop GIS for coastal management

By Clarice Africa | 17 November 2011

The Gujarat Government is implementing a Geospatial Information System development project to better improve coastal zone management practices in the state.

Gujarat is state located in western India. It has an area of 75, 868 sq mi with a coastline of 1,600 km. The state is bordered by the state of Rajasthan to the north, Maharashtra to the south, Madhya Pradesh to the east, and the Arabian sea as well the Pakistani province of Sindh on the west.

According to A.K. Verma, member secretary of the Gujarat Ecology Commission and also the head of the Integrated Coastal Zone Management Project (ICZMP), there is a need for GIS in order to support the development activities in order to keep Gujarat’s coastal belt dynamic and sustainable.

He explained that since the coastal belt is experiencing significant changes due to Special Economic Zones, ports, infrastructures from salt and cement industries, and oil and gas exploration efforts that had been established along the port. There is a need for better coastal management practices in order to keep the coastal belt liveable and sustainable especially for the 20 million people, a majority of which are dependent on fishing as a livelihood.

“Creating basic information on coastal areas using latest technologies like remote sensing and GIS is envisaged for better management and planning of coastal environment and its resources. This would also facilitate development of local communities,” he said.

“Through GIS, not only scientific data, maps and pictures would be collected, but even a database for infrastructures such as ports, coastal highways and breakwater structures will also be developed.” Under the project, Verma said, Digital Terrain Model (DTM) and Digital Elevation Model (DEM) for the coastal areas too will be prepared.

Large-scale accurate geographic database and maps showing HTL (High Tide Line) and LTL (Low Tide Line) using Cartosat or IRS (Indian Remote Sensing satellite) will be prepared. Also, wetland categories between HTL and LTL, and the land-use above HTL will be mapped.

“The GIS would help in better hazard-risk assessment and management for the coast,” Verma said.

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