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Nautical Charting
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Nautical charts contain information about the nature and form
of the coast, the depths of the water and general character
and configuration of the sea bottom, locations of dangers
to navigation, the rise and fall of the tides, locations
of navigation aids, and characteristics of the earth's
magnetism. Sample data in this topic include:
- Electronic Navigational Charts (ENCs)
- Raster
Navigational
Charts (RNCs)
- Wrecks and Obstructions
- Coast Pilot
- Maritime Boundaries
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Bathymetry/Topography
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NOS conducts hydrographic surveys to measure the depth and bottom configuration
of water bodies, to produce the nation’s nautical charts and ensure safe navigation. Sample data in this topic include:
- Hydrographic Surveys & Descriptive Reports
- NOAA's Estuarine Bathymetry
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Shoreline
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The United States has approximately 95,000 miles of coastline.
One of the NOS missions is to survey these coastal regions and to provide
the Nation with accurate, consistent, up-to-date national shoreline. Sample data in this topic include:
- High Resolution Shoreline
- Shoreline Surveys & Manuscripts
- LIDAR
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Geodetic/Global Positioning
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NOS
maintains
the National
Spatial Reference
System (NSRS).
This is a
consistent
national
coordinate system
that defines
position
(latitude
and longitude),
elevation,
distance
and direction
between points, strength
of gravitational
pull, and
how these
values change
over time.
Sample data
in this topic
include:
- Continuously
Operating
Reference
Stations
(CORS)
- Geodetic
Control
Points
- Aeronautical
Data
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Tides/Currents
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NOS
has been monitoring water-level variations for over 100
years. Water-level data is used for a variety of practical
purposes, including hydrography, nautical charting, maritime
navigation, and coastal engineering. Sample data in this
topic include:
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Remotely Sensed Imagery/Photos
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NOS acquires remotely sensed imagery and precision
aerial photography for different habitat mapping and
shoreline delineation projects and to support emergency response efforts. Sample data in this topic include:
- Coastal
Photography
- IKONOS Imagery
- LIDAR
- Post-Storm Hurricane Photography
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Marine Boundaries
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A marine boundary delineates an area within which
sovereignty, political jurisdiction, or legal authority
may be exercised. Sample data in this topic include:
- Maritime Limits
- National Marine Sanctuary Boundaries
- Marine Managed Area Boundaries
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Hurricanes
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NOS provides helpful hazard-related information and tools to state and local coastal programs to assist assessment, response, and mitigation. Sample data in this topic include:
- Post-storm Hurricane Photography
- Historical Hurricane Tracks
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Environmental Monitoring
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Monitoring and observation programs range in scope from collecting
water level and current measurements to measuring contaminant
levels in fish, mollusks and estuarine bottom sediment. Sample data in this topic include:
- National Status & Trends
- Mussel Watch
- Benthic Surveillance
- Bioeffects Assessment
- Water Levels
- Currents
- Environmental Sensitivity Index Maps
- National Estuarine Research Reserve System-wide Monitoring Program (SWMP)
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