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5 Nautical Information as a Component of a Marine Geographic Information System
Pages 37-44

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From page 37...
... with the potential of providing a wide range of coastal and marine environmental information products. As a result of the ongoing information science and technology revolution, GIS and related technologies, such as Global Positioning Systems and remote sensing, have emerged as premier tools to organize, analyze, and display coastal data for uses other than the traditional safe navigation of marine commerce.
From page 38...
... EXAMPLES OF GIS APPLICATIONS TO COASTAL RESOURCE MANAGEMENT Many GIS developers in the 30 coastal states are digitizing elements of the NOAA nautical charts, NOAA topographic and hydrographic surveys, and USGS quadrangles to form digital base maps. The following examples provide a small but representative sample of how NOAA chart information is used in conjunction with project-specif~c data to support coastal decisionmaking in several states.
From page 39...
... The Alyeska Pipeline Company has developed a graphical resource data base to assist in its response to future oil spills and help meet state and federal spill contingency planning requirements. The Alaska Department of Fish and Game utilizes the SEAPLOT nautical charting and navigation system on several of its vessels engaged in fisheries research.
From page 40...
... Cartographic consistency between map series is an important issue for builders of coastal zone GIS data bases. Since shoreline depictions on NOAA nautical charts and USGS quadrangle map products do not match, the GIS analyst is faced with a significant challenge
From page 41...
... Agencies that use NOAA data for purposes other than navigation do not distinguish between the separate mandates of the various NOAA programs, such as the Nautical Charting Program and the Coastal Zone Management Program or programs established under the Oil fluctuations, this line of contact is usually the mean high water line · .
From page 42...
... SUMMARY The digital nautical data base developed and maintained by NOAA as its core mission in nautical charting can also serve effectively as a key component of a broader marine GIS, providing a wide range of coastal and marine environmental information products to fulfill NOAA's mandate for marine environmental stewardship. NOAA has a clear statutory mandate and the expertise to be the lead agency for coordination and maintenance of such a master nautical data base.
From page 43...
... 1992. Current approaches in geographic information systems for coastal management.


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