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Short Citation:
OCM Partners, 2022: 2005 NCALM Plum Island-Woods Hole Marine Biological Laboratory, https://www.fisheries.noaa.gov/inport/item/49769.

Item Identification

Title: 2005 NCALM Plum Island-Woods Hole Marine Biological Laboratory
Short Name: ma2005_nsf_pi_woods_hole_m2554_metadata
Status: Completed
Publication Date: 2014-06-02
Abstract:

The survey area is an irregular polygon (148 square kilometers) at the Plum Island River in northeast Massachusetts. The eastern third of the polygon was flown on Monday April 18, 2005. The central third was flown early Tuesday morning April 19, 2005 and the last third (the Parker River area) was flown on the afternoon of the 19th.

Purpose:

Collected as part of the National Center for Airborne Laser Mapping research, combining land-use classification and change analysis to provide a means of analyzing an important geomorphological metric that has not been possible before.

Notes:

10413

Supplemental Information:

A footprint of this data set may be viewed in Google Earth at:

https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/2554/supplemental/ma2005_nsf_pi_woods_hole_m2554.kmz .

A report documenting project notes is available at:

https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/2554/supplemental/ma2005_nsf_pi_woods_hole_notes_m2554.pdf .

A processing report for this project is available at: https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/2554/supplemental/ma2005_nsf_pi_woods_hole_processingreport_m2554.pdf

Keywords

Theme Keywords

Thesaurus Keyword
ISO 19115 Topic Category
elevation
UNCONTROLLED
None Surface
None Terrain

Physical Location

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

Data Set Information

Data Set Scope Code: Data Set
Maintenance Frequency: As Needed
Entity Attribute Overview:

The lidar classification are stored in LAZ format: 1 - unclassified, 2 - ground

Entity Attribute Detail Citation:

All deliverables meet specifications in contract. LAS Files meet ASPRS Classification Standards

Distribution Liability:

Any conclusions drawn from the analysis of this information are not the responsibility of NCALM, NSF, OpenTopography, Marine Biological Laboratory, NOAA, the Office for Coastal Management or its partners.

Data Set Credit: LiDAR data acquisition and processing completed by the National Center for Airborne Laser Mapping (NCALM). NCALM funding provided by NSF's Division of Earth Sciences, Instrumentation and Facilities Program. EAR-1043051

Support Roles

Data Steward

CC ID: 676291
Date Effective From: 2014-06-02
Date Effective To:
Contact (Organization): NOAA Office for Coastal Management (NOAA/OCM)
Address: 2234 South Hobson Ave
Charleston, SC 29405-2413
Email Address: coastal.info@noaa.gov
Phone: (843) 740-1202
URL: https://coast.noaa.gov

Distributor

CC ID: 676293
Date Effective From: 2014-06-02
Date Effective To:
Contact (Organization): NOAA Office for Coastal Management (NOAA/OCM)
Address: 2234 South Hobson Ave
Charleston, SC 29405-2413
Email Address: coastal.info@noaa.gov
Phone: (843) 740-1202
URL: https://coast.noaa.gov

Metadata Contact

CC ID: 676294
Date Effective From: 2014-06-02
Date Effective To:
Contact (Organization): NOAA Office for Coastal Management (NOAA/OCM)
Address: 2234 South Hobson Ave
Charleston, SC 29405-2413
Email Address: coastal.info@noaa.gov
Phone: (843) 740-1202
URL: https://coast.noaa.gov

Point of Contact

CC ID: 676292
Date Effective From: 2014-06-02
Date Effective To:
Contact (Organization): NOAA Office for Coastal Management (NOAA/OCM)
Address: 2234 South Hobson Ave
Charleston, SC 29405-2413
Email Address: coastal.info@noaa.gov
Phone: (843) 740-1202
URL: https://coast.noaa.gov

Extents

Currentness Reference: Publication Date

Extent Group 1

Extent Group 1 / Geographic Area 1

CC ID: 1134520
W° Bound: -70.961323
E° Bound: -70.742528
N° Bound: 42.812017
S° Bound: 42.650945

Extent Group 1 / Time Frame 1

CC ID: 1134519
Time Frame Type: Range
Start: 2005-03-18
End: 2005-04-18

Spatial Information

Spatial Representation

Representations Used

Vector: Yes

Access Information

Security Class: Unclassified
Data Access Procedure:

This data can be obtained on-line at the following URL: https://coast.noaa.gov/dataviewer/#/lidar/search/where:ID=2554

The data set is dynamically generated based on user-specified parameters.;

Data Access Constraints:

None

Data Use Constraints:

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. These data depict the heights at the time of the survey and are only accurate for that time

Distribution Information

Distribution 1

CC ID: 741240
Download URL: https://coast.noaa.gov/dataviewer/#/lidar/search/where:ID=2554
Distributor:
File Name: Customized Download
Description:

Create custom data files by choosing data area, product type, map projection, file format, datum, etc.

Distribution 2

CC ID: 741241
Download URL: https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/2554/index.html
Distributor:
File Name: Bulk Download
Description:

Simple download of data files.

URLs

URL 1

CC ID: 741243
URL: https://coast.noaa.gov/dataviewer
URL Type:
Online Resource

URL 2

CC ID: 741244
URL: https://coast.noaa.gov
URL Type:
Online Resource

URL 3

CC ID: 741245
URL: https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/2554/supplemental/ma2005_nsf_pi_woods_hole_m2554.kmz
Name: Browse Graphic
URL Type:
Browse Graphic
File Resource Format: kmz
Description:

This graphic shows the lidar coverage for the 2005 Plum Island lidar collection in Massachusetts.

Activity Log

Activity Log 1

CC ID: 676310
Activity Date/Time: 2016-05-23
Description:

Date that the source FGDC record was last modified.

Activity Log 2

CC ID: 676309
Activity Date/Time: 2017-11-14
Description:

Converted from FGDC Content Standards for Digital Geospatial Metadata (version FGDC-STD-001-1998) using 'fgdc_to_inport_xml.pl' script. Contact Tyler Christensen (NOS) for details.

Activity Log 3

CC ID: 718336
Activity Date/Time: 2018-02-08
Description:

Partial upload of Positional Accuracy fields only.

Activity Log 4

CC ID: 741242
Activity Date/Time: 2018-03-13
Description:

Partial upload to move data access links to Distribution Info.

Data Quality

Horizontal Positional Accuracy:

Unknown; Quantitative Value: 1.0 meters, Test that produced the value: Horizontal accuracy is not explicitly stated, default value of 1 m

Vertical Positional Accuracy:

Unknown; Quantitative Value: 0.09 meters, Test that produced the value: The standard deviation of the differences between the ALTM nearest neighbor shot and the ground truth points was about 9 cm on all flights. After analysis, all trajectories showed height shifts of between 10 and 15 cm.

Completeness Report:

complete

Conceptual Consistency:

In order to provide on-site calibration and ground truth, a section of the Plum Island Turnpike running east and west just north of the project polygon was surveyed using vehicle-mounted GPS, and then surveyed with the ALTM during the flight. Comparisons were made between the heights of the vehicle-collected GPS and the airborne laser scanner. This allowed for a check on the calibration of the airborne scanner as well as a measure of the accuracy of the scanner heights.

Lineage

Sources

Processing Notes

CC ID: 1134515
Extent Type: Discrete
Extent Start Date/Time: 2011-05-18
Source Contribution:

Unknown | Source Geospatial Form: model | Type of Source Media: HDD

Process Steps

Process Step 1

CC ID: 1134516
Description:

During processing, a scan cutoff angle of 4.0 degrees was used to eliminate points at the edge of the scan lines. This was done to improve the overall DEM accuracy (points farthest from the scan nadir are the most affected by small errors in pitch, roll and scanner mirror angle measurements). Points with very low intensity values were also filtered out (intensity values less than 7), because these points also tend to be the least accurate. This is due to the fact that very weak return pulses yield the noisiest range measurements. These points represent a very small percentage of the total number of points, usually in the neighborhood of a few hundredths of one percent. All calibration files as well as all raw observation files (both GPS and ALTM) necessary to reprocess this project in its entirety are archived by UC Berkeley.

Process Step 2

CC ID: 1134517
Description:

The NOAA Office for Coastal Management (OCM) received the files in laz format via download from the OpenTopography online repository. The files contained lidar elevation and intensity measurements. The data were in Mainland Massachusetts State Plane Zone 2001 (orthometric) heights in meters. OCM performed the following processing for data storage and Digital Coast provisioning purposes:

1. The data were converted from state plane orthometric coordinates to geographic coordinates.

2. The data were converted from NAVD88 heights in meters to GRS80 (ellipsoid) heights in meters using Geoid 03.

3. The LAS data were sorted by latitude and the headers were updated then stored as LAZ data.

Process Date/Time: 2014-05-02 00:00:00

Catalog Details

Catalog Item ID: 49769
GUID: gov.noaa.nmfs.inport:49769
Metadata Record Created By: Anne Ball
Metadata Record Created: 2017-11-15 15:22+0000
Metadata Record Last Modified By: SysAdmin InPortAdmin
Metadata Record Last Modified: 2022-08-09 17:11+0000
Metadata Record Published: 2022-03-16
Owner Org: OCMP
Metadata Publication Status: Published Externally
Do Not Publish?: N
Metadata Last Review Date: 2022-03-16
Metadata Review Frequency: 1 Year
Metadata Next Review Date: 2023-03-16