Dataset Identification:
- These files contain classified topographic and bathymetric lidar data as unclassified valid topographic data (1), valid topographic data classified as ground (2), noise (7), and valid bathymetric data (11). Classes 1, 2 and 7 aredefined in accordance with the American Society for Photogrammetry and Remote Sensing (ASPRS) classification standards, while class 11 is specific to NOAA CSC. These data were collected by the Compact Hydrographic Airborne RapidTotal Survey (CHARTS) system along the coast of Massachusetts and New Hampshire. CHARTS integrates topographic and bathymetric lidar sensors, a digital camera and a hyperspectral imager on a single remote sensing platform for usein coastal mapping and charting activities. Data coverage generally extends along the coastline from the waterline inland 500 meters (topography) and offshore 1,000 meters or to laser extinction (bathymetry). Native lidar data isnot generally in a format accessible to most Geographic Information Systems (GIS). Specialized in-house and commercial software packages are used to process the native lidar data into 3-dimensional positions that can be importedinto GIS software for visualization and further analysis. Horizontal positions, provided in decimal degrees of latitude and longitude, are referenced to the North American Datum of 1983 (NAD83). Vertical positions are referencedto the NAD83 ellipsoid and provided in meters. The National Geodetic Survey's (NGS) GEOID03 model is used to transform the vertical positions from ellipsoid to orthometric heights referenced to the North American Vertical Datumof 1988 (NAVD88). The 3-D position data are sub-divided into a series of LAS files, each covering approximately 5 kilometers of shoreline. The format of the file is LAS version 1.2.
- Title 2011 U.S. Army Corps of Engineers (USACE) Topographic LiDAR: Massachusetts and New Hampshire
- publication Date 2013-12-01
- organisation Name DOC/NOAA/NOS/OCM > Office for Coastal Management, National Ocean Service, National Oceanic and Atmospheric Administration, U.S. Department of Commerce
- Contact information
-
- Telephone
-
- Voice 843-740-1200
- Address
-
- 2234 South Hobson Ave., Charleston, SC, 29405-2413
- electronic Mail Address coastal.info@noaa.gov
- organisation Name US Army Corps of Engineers (USACE) Joint Airborne Lidar Bathymetry Technical Center of eXpertise (JALBTCX)
- position Name Data Production Manager
- Contact information
-
- Telephone
-
- Voice 228-252-1131
- Voice 228-252-1121
- Fax 228-252-1133
- Address
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- 7225 Stennis Airport Rd, STE 100, Kiln, MS, 39556 Country US
- electronic Mail Address JALBTCX@usace.army.mil
- organisation Name DOC/NOAA/NOS/OCM > Office for Coastal Management, National Ocean Service, National Oceanic and Atmospheric Administration, U.S. Department of Commerce
- Contact information
-
- Telephone
-
- Voice 843-740-1200
- Address
-
- 2234 South Hobson Ave., Charleston, SC, 29405-2413
- electronic Mail Address coastal.info@noaa.gov
Theme keywords (theme):
Topography/Bathymetry
Remote Sensing
LiDAR
U.S. Army Corps of Engineers (USACE)
Mobile District
National Coastal Mapping Program (NCMP)
Classified LAS
Classified LAZ
Scanning Hydrographic Operational Airborne Lidar System (SHOALS)
IWG-OCM
Compact Hydrographic Airborne Rapid Total Survey (CHARTS)
Joint Airborne Lidar Bathymetry Technical Center of eXpertise (JALBTCX)
- Title None
Location keywords:
USA
Massachusetts
Essex County
New Hampshire
Rockingham County
- Title None
Theme keywords (theme):
- Title Activity > Observation
- publication Date 2017-08-24
Theme keywords (theme):
- Title Resource Type > Document
- publication Date 2017-08-24
Theme keywords (theme):
- Title Organization > GOVERNMENT AGENCIES-U.S. FEDERAL AGENCIES
- publication Date 2017-08-24
Theme keywords (theme):
- Title Method > Information Processing
- publication Date 2017-08-24
Theme keywords (theme):
- Title Equipment > Sensor
- publication Date 2017-08-24
Theme keywords (theme):
- Title Property > Measure
- publication Date 2017-08-24
Theme keywords (theme):
- Title Science Domain > Earth Science
- publication Date 2017-08-24
Theme keywords (theme):
- Title Equipment > platform
- publication Date 2017-08-24
Theme keywords (theme):
- Title Feature > Marine Feature
- publication Date 2017-08-24
Theme keywords (theme):
- Title Resource Type > Software
- publication Date 2017-08-24
Theme keywords (theme):
- Title Virtual International Authority File (VIAF) Corporate Names
- publication Date 2017-08-24
Theme keywords (theme):
- Title Feature > Physiographic Feature
- publication Date 2017-08-24
purpose:
Browse image (thumbnail):
- maintenance or update frequency: asNeeded
- Constraints
-
- Use limitation statement:
- These data depict the elevations at the time of the survey and are only accurate for that time. Users should be aware that temporal changes may have occurred since this data set was collected and some parts of this data may no longer represent actual surface conditions. Users should not use this data for critical applications without a full awareness of its limitations. Any conclusions drawn from analysis of this information are not the responsibility of NOAA or any of its partners. These data are NOT to be used for navigational purposes.
- Legal Constraints
-
- Use Limitation
- While every effort has been made to ensure that these data are accurate and reliable within the limits of the current state of the art, NOAA cannot assume liability for any damages caused by any errors or omissions in the data, nor as a result of the failure of the data to function on a particular system. NOAA makes no warranty, expressed or implied, nor does the fact of distribution constitute such a warranty.
Resource extent
-
- westBoundLongitude -70.866429
- eastBoundLongitude -70.659773
- northBoundLatitude 42.927010
- southBoundLatitude 42.647594
Geographic Bounding Box - Temporal Extent
Geographic Extent
2011-09-25
2011-09-30
- These data covered the required survey area with minimal gaps in data coverage except where poor water quality prohibited bathymetric data acquisition. In areas of dense vegetation the points classified as ground might be incorrectly classified due to the inability of the laser to penetrate the canopy and reach the bare ground.
- organisation Name US Army Corps of Engineers (USACE) Joint Airborne Lidar Bathymetry Technical Center of eXpertise (JALBTCX)
- position Name Data Production Manager
- Contact information
-
- Telephone
-
- Voice 228-252-1131
- Voice 228-252-1121
- Fax 228-252-1133
- Address
-
- 7225 Stennis Airport Rd, STE 100, Kiln, MS, 39556 Country US
- electronic Mail Address JALBTCX@usace.army.mil
Vector spatial representation information
-
- Geometric Objects
-
- geometric Object Type point
reference system 1
- Reference System Identifier
- Identifier string: urn:ogc:def:crs:EPSG::4269
- authority
-
- Title North American Datum 1983
- alternateTitle NAD83
- revision Date 2007-01-19
- cited responsible party - resourceProvider
-
- organisation Name
- Contact information
-
- Linkage for online resource
-
- name NAD83
- URL: http://www.epsg-registry.org/export.htm?gml=urn:ogc:def:crs:EPSG::4269
- link function information
- Description Link to Geographic Markup Language (GML) description of reference system.
- cited responsible party - publisher
-
- organisation Name European Petroleum Survey Group
- Contact information
-
- Linkage for online resource
-
- name European Petroleum Survey Group Geodetic Parameter Registry
- URL: http://www.epsg-registry.org/
- link function search
- Description Registry that accesses the EPSG Geodetic Parameter Dataset, which is a structured dataset of Coordinate Reference Systems and Coordinate Transformations.
reference system 2
- Reference System Identifier
- Identifier string: Ellipsoid in Meters
- Identifier code space: Local Vertical Reference
Data quality information
Scope of quality information
- name Of Measure Horizontal Positional Accuracy Report
- evaluation Method Description The data positions were obtained using post processed KGPS methods. The horizontal accuracy of the data is better than +/- 0.75 m.
- name Of Measure Horizontal Positional Accuracy
- measure Description RMSE @ 95% Confidence. Units in meters.
- Quantitative Result
-
- result value 0.75
- value Units
-
- name Of Measure Vertical Positional Accuracy Report
- evaluation Method Description The data positions were obtained using post processed KGPS methods. The vertical accuracy of the data is better than +/- 0.20 m.
- name Of Measure Vertical Positional Accuracy
- measure Description RMSE @ 95% Confidence. Units in meters.
- Quantitative Result
-
- result value 0.20
- value Units
-
- evaluation Method Description This data set covers the spatial extent of bathymetric and topographic lidar data obtained during this survey.
- measure Description Differences between a DEM created from the lidar data representing bare ground and the ground truth data is unbiased and within +/- 20 cm (RMSE) in flat terrain and within +/-30 cm (RMSE) in hilly terrain.
Resource distribution information
Distributor
- organisation Name DOC/NOAA/NOS/OCM > Office for Coastal Management, National Ocean Service, National Oceanic and Atmospheric Administration, U.S. Department of Commerce
- Contact information
-
- Telephone
-
- Voice 843-740-1200
- Address
-
- 2234 South Hobson Ave., Charleston, SC, 29405-2413
- electronic Mail Address coastal.info@noaa.gov
- Ordering Instructions The National Geophysical Data Center serves as the archive for this LIDAR data. NGDC should only be contacted for this data if it cannot be obtained from NOAA Coastal Services Center.
Distributor
- individual Name Mike Sutherland
- organisation Name DOC/NOAA/NESDIS/NCEI > National Centers of Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
- Contact information
-
- Telephone
-
- Voice 303-497-6120
- Fax 303-497-6513
- Address
-
- 325 Broadway E/GC1, Boulder, CO, 80305-3328 Country USA
- electronic Mail Address mike.sutherland@noaa.gov
- Ordering Instructions The National Geophysical Data Center serves as the archive for this LIDAR dataset. NGDC should only be contacted for the data if it cannot be obtained from NOAA Coastal Services Center.
- Format name LAZ
- Format version
- date of next update: 2015-01-27
- maintenance or update frequency: annually
- notes: This metadata was automatically generated from the FGDC Content Standards for Digital Geospatial Metadata standard (version FGDC-STD-001-1998) using the 2013-01-04 version of the FGDC RSE to ISO 19115-2 for LiDAR transform.
- notes: Translated from FGDC 2014-01-27T12:33:51.347-05:00
- individual Name Mike Sutherland
- organisation Name DOC/NOAA/NESDIS/NCEI > National Centers of Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
- Contact information
-
- Telephone
-
- Voice 303-497-6120
- Fax 303-497-6513
- Address
-
- 325 Broadway E/GC1, Boulder, CO, 80305-3328 Country USA
- electronic Mail Address mike.sutherland@noaa.gov