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Indonesia has 6.315.222 km 2  of marine areas, 16.065 islands, and 99.093 kilometers of coastlines. The government arranges Coastal Waters Location Permit regulation to manage its abundance of marine resources. But there are no technical aspects that control the marine base and thematics map usage to make the Coastal Waters Location Permit Map. This research examines the usage of Base Map (LLN Map, RBI Map, and Nautical Chart) and marine thematics map (RZKSNT Map) in Coastal Waters Location Permit Map establishment by plotting the site plan in each base and marine thematics map. This study covers technical aspects such as scale, projection system, horizontal datum, vertical datum, and site plan’s area comparison. This study finds that the base map which fits the most in Coastal Waters Location Permit Map establishment is a base map that has sea depth information with a scale no smaller than 1: 50,000 at the latest year so that it has high horizontal accuracy and denser contour intervals. The area calculation comparison result by digitizing and mathematical methods (manual calculation) does not obtain any significant differences in the value of the Location Permit object area, the largest difference in the area for each method is 0,0003%.

iop conference series. earth and environmental science

Study of base map and marine thematic map usage to make coastal waters location permits map in coastal waters and small islands (study area: maratua island, east kalimantan)