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NGS Metadata Library > NGS Lidar > 2018 NOAA National Geodetic Survey Topobathy Li... >

NOAA NGS Topobathy Lidar Class Scheme: Potomac River, Chesapeake Bay

Entity (ENT)  |  National Geodetic Survey (NGS)
GUID: gov.noaa.nmfs.inport:72035  |  Updated: February 1, 2024  |  Published / External 
Summary
Item Identification
Keywords
Physical Location
Entity Info
Data Attributes
Catalog Details

Summary

Description

Class table describing the class numbers used in the lidar data file. Each point in the lidar file has a class associated.

Entity Information

Entity Type
Other

Data Attribute / Type Description
1 - Unclassified
Point class number 		Unclassified point
2- Ground
Point class number 		Ground Point
7 - Low Point (Noise)
Point class number 		Low Point (Noise)
25 - Water Column
Point class number 		Point classified as water column
26 - Bathymetric Point
Point class number 		Point classified as bathymetric ground.
29 - Submerged Object
Point class number 		Submerged object, not otherwise specified (e.g., wreck, rock, submerged piling).
30 - Submerged Aquatic Vegetation
Point class number 		Submerged Aquatic Vegetation
31 - Temporal Bathy Bottom
Point class number 		Bathymetric point (e.g., seafloor or riverbed; also known as submerged topography).

Controlled Theme Keywords

elevation, Elevation Theme, LIDAR

Child Items

No Child Items for this record.

Contact Information

No contact information is available for this record.

Please contact the owner organization (NGS) for inquiries on this record.

Item Identification

Title: NOAA NGS Topobathy Lidar Class Scheme: Potomac River, Chesapeake Bay
Status: Completed

Keywords

Theme Keywords

Thesaurus Keyword
Global Change Master Directory (GCMD) Science Keywords
EARTH SCIENCE > SPECTRAL/ENGINEERING > LIDAR
ISO 19115 Topic Category
elevation
NGDA Portfolio Themes
Elevation Theme

Instrument Keywords

Thesaurus Keyword
Global Change Master Directory (GCMD) Instrument Keywords
LIDAR > Light Detection and Ranging

Platform Keywords

Thesaurus Keyword
Global Change Master Directory (GCMD) Platform Keywords
Airplane > Airplane

Physical Location

Organization: Office for Coastal Management
City: Charleston
State/Province: SC
Country: USA

Entity Information

Entity Type: Other
Active Version?: Yes
Description:

Class table describing the class numbers used in the lidar data file. Each point in the lidar file has a class associated.

Data Attributes

Note: Metadata requirements do not apply to attributes for non-tabular entities.

Attribute Summary

Rubric Score Primary Key? Name Type Description
N/A
 1 - Unclassified Point class number Unclassified point
N/A
 2- Ground Point class number Ground Point
N/A
 7 - Low Point (Noise) Point class number Low Point (Noise)
N/A
 25 - Water Column Point class number Point classified as water column
N/A
 26 - Bathymetric Point Point class number Point classified as bathymetric ground.
N/A
 29 - Submerged Object Point class number Submerged object, not otherwise specified (e.g., wreck, rock, submerged piling).
N/A
 30 - Submerged Aquatic Vegetation Point class number Submerged Aquatic Vegetation
N/A
 31 - Temporal Bathy Bottom Point class number Bathymetric point (e.g., seafloor or riverbed; also known as submerged topography).

Attribute Details

1 - Unclassified

CC ID: 1322862
Seq. Order: 1
Data Storage Type: Point class number
Required: No
Primary Key: No
Status: Active
Description:

Unclassified point

2- Ground

CC ID: 1322863
Seq. Order: 2
Data Storage Type: Point class number
Required: No
Primary Key: No
Status: Active
Description:

Ground Point

7 - Low Point (Noise)

CC ID: 1322869
Seq. Order: 3
Data Storage Type: Point class number
Required: No
Primary Key: No
Status: Active
Description:

Low Point (Noise)

25 - Water Column

CC ID: 1322864
Seq. Order: 4
Data Storage Type: Point class number
Required: No
Primary Key: No
Status: Active
Description:

Point classified as water column

26 - Bathymetric Point

CC ID: 1322865
Seq. Order: 5
Data Storage Type: Point class number
Required: No
Primary Key: No
Status: Active
Description:

Point classified as bathymetric ground.

29 - Submerged Object

CC ID: 1322867
Seq. Order: 7
Data Storage Type: Point class number
Required: No
Primary Key: No
Status: Active
Description:

Submerged object, not otherwise specified (e.g., wreck, rock, submerged piling).

30 - Submerged Aquatic Vegetation

CC ID: 1322878
Seq. Order: 8
Data Storage Type: Point class number
Required: No
Primary Key: No
Status: Active
Description:

Submerged Aquatic Vegetation

31 - Temporal Bathy Bottom

CC ID: 1322868
Seq. Order: 9
Data Storage Type: Point class number
Required: No
Primary Key: No
Status: Active
Description:

Bathymetric point (e.g., seafloor or riverbed; also known as submerged topography).

Catalog Details

Catalog Item ID: 72035
GUID: gov.noaa.nmfs.inport:72035
Metadata Record Created By: Maryellen Sault
Metadata Record Created: 2024-02-01 16:22+0000
Metadata Record Last Modified By: Maryellen Sault
Metadata Record Last Modified: 2024-02-01 16:25+0000
Metadata Record Published: 2024-02-01
Owner Org: NGS
Metadata Publication Status: Published Externally
Do Not Publish?: N
Metadata Last Review Date: 2024-02-01
Metadata Review Frequency: 3 Years
Metadata Next Review Date: 2027-02-01