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NCCOS Metadata Library > CCMA > Biogeography > 2019 NOAA Bathymetric Lidar with Waveform Metri... >

Class scheme for 2019 Saipan Waveform Metrics Lidar

Entity (ENT)  |  National Centers for Coastal Ocean Science (NCCOS)
GUID: gov.noaa.nmfs.inport:71973  |  Updated: January 24, 2024  |  Published / External 
Summary
Item Identification
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
20 - Unclassified
Point class number 		Unclassified points in or over water
22 - Raw Seabed from Lidar Survey Studio
Point class number 		Points classified by Lidar Survey Studio as seabed that were deemed by the hydrographer to not certain to be seabed. Possibly considered as noise points.
24 - High criteria Turbid Water Extraction
Point class number 		Data classified as possible seabed using the high criteria for the turbid water extraction algorithm.
25 - Low criteria Turbid Water Extraction
Point class number 		Points classified as possible seabed using the low criteria for the turbid water extraction algorithm.
26 - Submerged Object
Point class number 		Points classified as submerged object
27 - Bathy low noise
Point class number 		Bathymetric points considered noise based on the peak shape.
29 - Water surface
Point class number 		Water surface points
30 - Derived water surface
Point class number 		Water surface location derived from surrounding information
31 - Bathy laser on land
Point class number 		Returns from the bathymetric laser on land
40 - Bathymetric point
Point class number 		Returns considered to be seabed.

Child Items

No Child Items for this record.

Contact Information

No contact information is available for this record.

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

Item Identification

Title: Class scheme for 2019 Saipan Waveform Metrics Lidar

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
 20 - Unclassified Point class number Unclassified points in or over water
N/A
 22 - Raw Seabed from Lidar Survey Studio Point class number Points classified by Lidar Survey Studio as seabed that were deemed by the hydrographer to not certain to be seabed. Possibly considered as noise points.
N/A
 24 - High criteria Turbid Water Extraction Point class number Data classified as possible seabed using the high criteria for the turbid water extraction algorithm.
N/A
 25 - Low criteria Turbid Water Extraction Point class number Points classified as possible seabed using the low criteria for the turbid water extraction algorithm.
N/A
 26 - Submerged Object Point class number Points classified as submerged object
N/A
 27 - Bathy low noise Point class number Bathymetric points considered noise based on the peak shape.
N/A
 29 - Water surface Point class number Water surface points
N/A
 30 - Derived water surface Point class number Water surface location derived from surrounding information
N/A
 31 - Bathy laser on land Point class number Returns from the bathymetric laser on land
N/A
 40 - Bathymetric point Point class number Returns considered to be seabed.

Attribute Details

20 - Unclassified

CC ID: 1321368
Seq. Order: 1
Data Storage Type: Point class number
Required: No
Primary Key: No
Status: Active
Description:

Unclassified points in or over water

22 - Raw Seabed from Lidar Survey Studio

CC ID: 1321369
Seq. Order: 2
Data Storage Type: Point class number
Required: No
Primary Key: No
Status: Active
Description:

Points classified by Lidar Survey Studio as seabed that were deemed by the hydrographer to not certain to be seabed. Possibly considered as noise points.

24 - High criteria Turbid Water Extraction

CC ID: 1321370
Seq. Order: 3
Data Storage Type: Point class number
Required: No
Primary Key: No
Status: Active
Description:

Data classified as possible seabed using the high criteria for the turbid water extraction algorithm.

25 - Low criteria Turbid Water Extraction

CC ID: 1321371
Seq. Order: 4
Data Storage Type: Point class number
Required: No
Primary Key: No
Status: Active
Description:

Points classified as possible seabed using the low criteria for the turbid water extraction algorithm.

26 - Submerged Object

CC ID: 1321372
Seq. Order: 5
Data Storage Type: Point class number
Required: No
Primary Key: No
Status: Active
Description:

Points classified as submerged object

27 - Bathy low noise

CC ID: 1321374
Seq. Order: 6
Data Storage Type: Point class number
Required: No
Primary Key: No
Status: Active
Description:

Bathymetric points considered noise based on the peak shape.

29 - Water surface

CC ID: 1321375
Seq. Order: 7
Data Storage Type: Point class number
Required: No
Primary Key: No
Status: Active
Description:

Water surface points

30 - Derived water surface

CC ID: 1321376
Seq. Order: 8
Data Storage Type: Point class number
Required: No
Primary Key: No
Status: Active
Description:

Water surface location derived from surrounding information

31 - Bathy laser on land

CC ID: 1321377
Seq. Order: 9
Data Storage Type: Point class number
Required: No
Primary Key: No
Status: Active
Description:

Returns from the bathymetric laser on land

40 - Bathymetric point

CC ID: 1321378
Seq. Order: 10
Data Storage Type: Point class number
Required: No
Primary Key: No
Status: Active
Description:

Returns considered to be seabed.

Catalog Details

Catalog Item ID: 71973
GUID: gov.noaa.nmfs.inport:71973
Metadata Record Created By: Kirk Waters
Metadata Record Created: 2024-01-24 12:24+0000
Metadata Record Last Modified By: Kirk Waters
Metadata Record Last Modified: 2024-01-24 18:52+0000
Metadata Record Published: 2024-01-24
Owner Org: NCCOS
Metadata Publication Status: Published Externally
Do Not Publish?: N
Metadata Last Review Date: 2024-01-24
Metadata Review Frequency: 3 Years
Metadata Next Review Date: 2027-01-24