NatMap Briefing with Speakers Notes

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DOI Executive Workshop on Enterprise Geospatial
Systems - The National Map
Mark L. DeMulder Acting Chief Scientist for
Geography
U.S. Department of the Interior U.S. Geological
Survey
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Powell on National Mapping

• Testimony to Congress on December 5, 1884
• A Government cannot do any scientific work of
  more value to the people at large, than by
  causing the construction of proper topographic
  maps of the country

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USGS Topographic Maps

• Once-over mapping was an immense feat
• The only national synthesis of geography that is
• Comprehensive
• Transjurisdictional
• Border to border and coast to coast
• Cost of replication today would be 2 to 3
  billion

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A New Vision

• A seamless, continuously maintained, nationally
  consistent set of base geographic data THE
  NATIONAL MAP
• Maintained through partnerships
• A national foundation for science, land and
  resource management, recreation, policy making,
  and homeland security
• Available over the Web and the source for revised
  topographic maps

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Why Partnerships?

• Because partners often have the most current
  data!
• Partnerships leverage the resource of all
  involved
• The USGS role emphasizes collaboration to create
  and maintain data, tools, and applications
• Partners include Federal agencies State, tribal,
  regional, and local governments private
  industry universities and libraries and the
  public

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Leading the Development of Partnerships to Build
the NSDI
GOS Portal
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NSDI Roles

• The National Map integrated base data
• FGDC coordination standards, policy
• GOS discovery and access

Coordination Standards
Data Discovery Access
Consistent Current Content
A triangle wont buckle, bend, or collapse when
its under pressure
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A National Information Synthesis
The blanket and a quilt Weaving a National Map,
NRC 2003
Lakewood, Colorado
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Wildland Fire

• Information from The National Map on the shape of
  the terrain and land cover allows simulation of
  wildland fire behavior
• Other information such as roads and structures
  supports fire fighting operations

Animation courtesy Space Imaging
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Implementing a Web Viewer

• The data of The National Map are viewable at
  nationalmap.usgs.gov
• This capability requires only a Web browser
• Initial sources of data include USGS national
  datasets and partner data

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Overview of The National Map System
A Catalog-based Approach.
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How the Catalog Works
Service Metadata Harvest
TNM CATALOG
TNM Service Information
TNM Applications
TNM VIEWER CLIENT
PARTNER CLIENT
PG ENGINE CLIENT
Service Data
TNM Partner Services
OGC WMS
OGC WMS
OGC WMS
OGC WMS
OGC WFS
OGC WFS
OGC WFS
OGC WCS
OGC WCS
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Spatial Resolution in action
Data from multiple web services fill the viewport.
1Foot Hi-res Ortho
Hi Res Ortho Footprint
1Meter DOQ
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Integration with GOS Portal

• The National Map is another standards-based
  Portal- registered with GOS as Catalog Service
• Uses standardized protocol for access OGC style
  request with XML/DTD response
• Additional Functionality
• national coverage
• consistency
• maintained data
• service interface

The National Map
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From William Morris Davis - 1913

• No publications of the Survey have had a greater
  general usefulnessThe change from geographic
  barbarism of that earlier day to the relative
  civilization of the present time is due more to
  Powell than to any other one man.

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Our Challenge

• What will define the next shift from barbarism
  to relative civilization for national mapping?

• Fully developed National Map
• Developing and maintaining robust IT
  infrastructure
• Meeting the security challenges of a loosely
  coupled, partner network

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...the map once constructed should be
enduring
J.W. Powell
www.nationalmap.gov