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Coastal and Marine Geology Program Internet Map Server:
U.S. Gulf of Mexico region

USGS Coastal and Marine Geology Program
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U.S. Gulf of Mexico Internet Map Server
Map Server Description
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Internet Map Server Description

Image showing U.S. Gulf of Mexico Internet Map Server default map view.

U.S. Gulf of Mexico Internet Map Server default map view. Click here for a larger image. Image will open in new browser window.

The U.S. Gulf of Mexico Internet Map Server contains published data layers and information from the U.S. Geological Survey, Coastal and Marine Geology Program (CMGP).  An example of the default map view is shown at the right.  This map view shows the U.S. Gulf of Mexico region, portions of Mexico and Cuba, the U.S. Gulf of Mexico GLORIA mosaic at a 250 m resolution and the Coastal Vulnerability Index showing the potential of coastal change due to sea-level rise.  The most striking data layer is the 250 m resolution digital mosaic of the GLORIA (Geologic Long-Range Inclined Asdic) sidescan data collected in the Exclusive Economic Zone (EEZ) of the Gulf of Mexico.  These data were acquired during two major field studies conducted in 1982 and 1985.  A data layer showing the location of other CMGP seafloor mapping surveys is also available. 

Other basemap data layers relative to the specific mapsite have been compiled from a variety of public domain sites and are also available for viewing and download.

Within the Internet Map Server, data layers have been grouped within category headings. Clicking the appropriate data folder will expand or collapse the folder allowing the individual data layers to be displayed. Data layers may be "turned-off or on" by selecting the visible button beside the layer name.  The map view will automatically update. A complete description of the available data layers and links to download the data may be found in the GIS Data Catalog.

Internet Map Server hyperlink tool icon Hyperlink properties

The data layers listed below have associated hyperlink properties. When the data layer is selected as the active data layer, selecting the hyperlink activity will result in the associated information being displayed in a new browser window.

  • GLORIA mosaic index - When accessing the U.S. Gulf of Mexico Internet Map Server, a user may browse the 50 meter resolution images of the individual 16 GLORIA sidescan sonar mosaics by utilizing the hyperlink tool.  With the mosaic index selected as the active data layer, select the hyperlink tool from the tool menu at the left of the map view.  When active, click within the outline of the selected mosaic.  The individual mosaic will be displayed in a separate browser window.
  • Navigation: 00SCC02 Trackline / 00SCC04 Trackline - The user may view a reduced version of the seismic record associated with the individual seismic cruise tracklines by utilizing the hyperlink option.  With a "navigation trackline" selected as the active data layer, select the hyperlink tool from the menu at the left of the map view.  When active, click on an individual trackline.  A reduced image showing the available seismic record will be displayed in a separate browser window.
 
 

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URL: http://coastalmap.marine.usgs.gov/regional/contusa/gomex/gloria/index.html
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Page Last Modified: Tuesday, January 15, 2013, 02:12 PM