IEDA: Marine Geoscience Data System

Web Services

We deliver catalogs, maps, and data through standard programmatic interfaces including:

We also provide access to select data via KML.

Open Geospatial Consortium (OGC) WxS Services

WxS Services can be used for live access to many of our data holdings. We use the MapServer software platform as our backend. A variety of OGC-enabled clients are available, both freeware and commercial, including the User-friendly Desktop Internet GIS (uDig), GeoMapApp, Gaia,NASA World Wind, and ArcGIS.

Our Web Map Services (WMS) allows any OGC-enabled client to create map imagery from our Global Multi-Resolution Topography (GMRT) Synthesis. Use one the following URLS to access GMRT:


GMRT GridServer and GMRT ImageServer

GMRT GridServer is a REST-like service for direct access to gridded data from the GMRT Synthesis. Requested data may be up to 2GB, or approximately 20 by 20 degrees at 100 meters per node (maximum available resolution). A variety of output formats are supported. more information about the service is available from its documentation page.

GMRT ImageServer provides access to images from the GMRT Synthesis. Requested images may be up to 8000 pixels in either dimension and are returned as jpegs.


Marine-Geo Digital Library Catalog Services

We offer simple REST-type (read more) services to directly query our repository in real-time.


OpenSearch Services

Our OpenSearch collection-level service provides XML records as an Atom feed. The service URL template (where XXX is typically a cruise ID) is: