2019 NOAA Lidar DEM: Padilla Bay NERR and Skagit River Delta, WA
Office for Coastal Management
Data Set
(DS)
| ID: 58958
| Published / External
Created: 2020-03-02
|
Last Modified: 2024-01-10
Project (PRJ) | ID: 47844
ID: 58958
Data Set (DS)
* Discovery• First Pass
» Metadata Rubric
Item Identification
* » Title | 2019 NOAA Lidar DEM: Padilla Bay NERR and Skagit River Delta, WA |
---|---|
Short Name | |
* Status | Completed |
Creation Date | |
Revision Date | |
• Publication Date | 2020-01-17 |
* » Abstract |
This dataset is a digital elevation model (DEM) derived from LiDAR (Light Detection and Ranging) point cloud data of the coastal tidal parts of Skagit and Snohomish Counties in WA State. The National Oceanic and Atmospheric Administration’s Office for Coastal Management contracted with Tetra Tech to acquire and process airborne LiDAR over an area of about 186 square miles. Data was to be acquired within a 2 hour window of low tide. Deliverables included classified LiDAR point clouds, breaklines and digital elevation models (DEM). LiDAR data was acquired on 13 and 14 of August 2019. The coastal area was covered in one flight on 8/14 while the inland area was covered on 8/13. The coastal flight took place on 8/14 with a tide window between -0.7 and +0.5 foot. For the airborne LiDAR flight Tetra Tech subcontracted with Eagle Mapping. The data was acquired with a Riegl LMS VQ780i sensor. A ground control survey was conducted to collect calibration points and check points. For the aerial acquisition Tetra Tech contracted with Eagle Mapping. For the ground survey, Tetra Tech contracted with Compass Data. The LiDAR data and derivative products were to be based on the USGS LiDAR Base Specifications. The coordinate reference system is UTM Zone 10N meters, NAD83(2011). The vertical datum is NAVD88 with Geoid12B. |
* Purpose |
The purpose of this data is to support coastal resource managers, watershed managers, and various stakeholders in their decision making processes. |
Notes | |
Other Citation Details | |
• Supplemental Information | |
DOI (Digital Object Identifier) | |
DOI Registration Authority | |
DOI Issue Date |
Keywords
Theme Keywords
Thesaurus | Keyword |
---|---|
Global Change Master Directory (GCMD) Science Keywords | EARTH SCIENCE > LAND SURFACE > TOPOGRAPHY > TERRAIN ELEVATION |
Global Change Master Directory (GCMD) Science Keywords | EARTH SCIENCE > OCEANS > BATHYMETRY/SEAFLOOR TOPOGRAPHY > BATHYMETRY > COASTAL BATHYMETRY |
Global Change Master Directory (GCMD) Science Keywords | EARTH SCIENCE > OCEANS > COASTAL PROCESSES > COASTAL ELEVATION |
ISO 19115 Topic Category | elevation |
Temporal Keywords
Thesaurus | Keyword |
---|---|
* Spatial Keywords
Thesaurus | Keyword |
---|---|
Global Change Master Directory (GCMD) Location Keywords | CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA |
Global Change Master Directory (GCMD) Location Keywords | VERTICAL LOCATION > LAND SURFACE |
Global Change Master Directory (GCMD) Location Keywords | VERTICAL LOCATION > SEA FLOOR |
Global Change Master Directory (GCMD) Location Keywords | Continent > North America > United States Of America > U.S. Coastline |
Stratum Keywords
Thesaurus | Keyword |
---|---|
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 | |
• » Location Description |
Data Set Information
* Data Set Scope Code | Data Set |
---|---|
• Data Set Type | Elevation |
• Maintenance Frequency | None Planned |
Maintenance Note | |
» Data Presentation Form | remote-sensing image |
• Entity Attribute Overview | |
Entity Attribute Detail Citation | |
Entity Attribute Detail URL | |
Distribution Liability |
Any conclusions drawn from the analysis of this information are not the responsibility of NOAA, the Office for Coastal Management or its partners |
Data Set Credit | NOAA Office for Coastal Management (NOAA/OCM) |
Support Roles
* » Support Role | Data Steward |
---|---|
* » Date Effective From | 2020 |
Date Effective To | |
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 |
Fax | |
Mobile | |
URL | https://coast.noaa.gov |
Business Hours | |
Contact Instructions |
* » Support Role | Distributor |
---|---|
* » Date Effective From | 2020 |
Date Effective To | |
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 |
Fax | |
Mobile | |
URL | https://coast.noaa.gov |
Business Hours | |
Contact Instructions |
* » Support Role | Metadata Contact |
---|---|
* » Date Effective From | 2020 |
Date Effective To | |
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 |
Fax | |
Mobile | |
URL | https://coast.noaa.gov |
Business Hours | |
Contact Instructions |
* » Support Role | Point of Contact |
---|---|
* » Date Effective From | 2020 |
Date Effective To | |
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 |
Fax | |
Mobile | |
URL | https://coast.noaa.gov |
Business Hours | |
Contact Instructions |
* » Support Role | |
---|---|
* » Date Effective From | |
Date Effective To | |
* » Contact | |
* Contact Instructions |
* » Support Role | |
---|---|
* » Date Effective From | |
Date Effective To | |
* » Contact | |
* Contact Instructions |
* » Support Role | |
---|---|
* » Date Effective From | |
Date Effective To | |
* » Contact | |
* Contact Instructions |
Extents
Currentness Reference | Ground Condition |
---|
Extent Group 1
Extent Description |
---|
Extent Group 1 / Geographic Area 1
* » W° Bound | -122.583147 |
---|---|
* » E° Bound | -122.29409 |
* » N° Bound | 48.644291 |
* » S° Bound | 48.157119 |
* » Description |
Extent Group 1 / Vertical Extent
EPSG Code | |
---|---|
Vertical Minimum | |
Vertical Maximum |
Extent Group 1 / Time Frame 1
* » Time Frame Type | Range |
---|---|
* » Start | 2019-08-13 |
End | 2019-08-14 |
Alternate Start As Of Info | |
Alternate End As Of Info | |
Description |
Spatial Information
Spatial Resolution
Angular Distance | |
---|---|
Angular Distance Units | |
Horizontal Distance | |
Horizontal Distance Units | |
Vertical Distance | |
Vertical Distance Units | |
Equivalent Scale Denominator | |
Level of Detail Description |
|
Spatial Representation
Grid Representation Used? | |
---|---|
Vector Representation Used? | |
Text / Table Representation Used? | |
TIN Representation Used? | |
Stereo Model Representation Used? | |
Video Representation Used? |
Grid Representation
Dimension Count | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Cell Geometry | |||||||||||||
Transformation Parameter Available? | |||||||||||||
Axis Dimension |
|||||||||||||
|
|||||||||||||
Axis Dimension |
|||||||||||||
|
Vector Representation
Topology Level | |
---|---|
Complex Object Present? | |
Complex Object Count | |
Composite Object Present? | |
Composite Object Count | |
Curve Object Present? | |
Curve Object Count | |
Point Object Present? | |
Point Object Count | |
Solid Object Present? | |
Solid Object Count | |
Surface Object Present? | |
Surface Object Count |
Reference Systems
Reference System
EPSG Code | |||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Horizontal Resolution |
|||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||
Vertical Resolution |
|||||||||||||||||||||||||||||
|
Access Information
Data License | |
---|---|
Data License URL | |
Data License Statement | |
* » Security Class | Unclassified |
* Security Classification System | |
Security Handling Description | |
• Data Access Policy | |
» Data Access Procedure |
Data is available online for bulk or custom downloads |
• » 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. |
Metadata Access Constraints | |
Metadata Use Constraints |
Distribution Information
Start Date | 2020-03-02 |
---|---|
End Date | Present |
» Download URL | https://coast.noaa.gov/dataviewer/#/lidar/search/where:ID=9037 |
Distributor | NOAA Office for Coastal Management (NOAA/OCM) (2020 - Present) |
File Name | Customized Download |
Description |
Create custom data files by choosing data area, map projection, file format, etc. A new metadata will be produced to reflect your request using this record as a base. |
File Date/Time | |
File Type (Deprecated) | Zip |
Distribution Format | |
File Size | |
Application Version | |
Compression | Zip |
Review Status |
Start Date | 2020-03-02 |
---|---|
End Date | Present |
» Download URL | https://noaa-nos-coastal-lidar-pds.s3.us-east-1.amazonaws.com/dem/NOAA_PadillaBay_WA_2019_9037/index.html |
Distributor | NOAA Office for Coastal Management (NOAA/OCM) (2020 - Present) |
File Name | Bulk Download |
Description |
Bulk download of data files in the original coordinate system. |
File Date/Time | |
File Type (Deprecated) | GeoTIFF |
Distribution Format | GeoTIFF |
File Size | |
Application Version | |
Compression | |
Review Status |
Start Date | |
---|---|
End Date | |
» Download URL | |
Distributor | |
File Name | |
Description | |
File Date/Time | |
File Type | |
FGDC Content Type | |
File Size | |
Application Version | |
Compression | |
Review Status |
Start Date | |
---|---|
End Date | |
» Download URL | |
Distributor | |
File Name | |
Description | |
File Date/Time | |
File Type | |
FGDC Content Type | |
File Size | |
Application Version | |
Compression | |
Review Status |
Start Date | |
---|---|
End Date | |
» Download URL | |
Distributor | |
File Name | |
Description | |
File Date/Time | |
File Type | |
FGDC Content Type | |
File Size | |
Application Version | |
Compression | |
Review Status |
URLs
URL | https://coast.noaa.gov/ |
---|---|
Name | NOAA's Office for Coastal Management (OCM) website |
URL Type | Online Resource |
File Resource Format | HTML |
Description |
Information on the NOAA Office for Coastal Management (OCM) |
URL | https://coast.noaa.gov/dataviewer/ |
---|---|
Name | NOAA's Office for Coastal Management (OCM) Data Access Viewer (DAV) |
URL Type | Online Resource |
File Resource Format | HTML |
Description |
The Data Access Viewer (DAV) allows a user to search for and download elevation, imagery, and land cover data for the coastal U.S. and its territories. The data, hosted by the NOAA Office for Coastal Management, can be customized and requested for free download through a checkout interface. An email provides a link to the customized data, while the original data set is available through a link within the viewer. |
URL | https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9035/supplemental/extent_PadillaBay_NERR_m9035.kmz |
---|---|
Name | Browse graphic |
URL Type | Browse Graphic |
File Resource Format | KML |
Description |
This graphic displays the footprint for this lidar data set. |
URL | https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9035/supplemental/Accuracy_Report_UTM.pdf |
---|---|
Name | Dataset report |
URL Type | Online Resource |
File Resource Format | |
Description |
Link to data set report. |
URL | https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9035/supplemental/NVA-DEM.pdf |
---|---|
Name | Dataset report |
URL Type | Online Resource |
File Resource Format | |
Description |
Link to data set report. |
URL | https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9035/supplemental/NVA-lidar.pdf |
---|---|
Name | Dataset report |
URL Type | Online Resource |
File Resource Format | |
Description |
Link to data set report. |
URL | https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9035/supplemental/Project_Report_NOAA_WA_LiDAR_update24Feb2020.pdf |
---|---|
Name | Dataset report |
URL Type | Online Resource |
File Resource Format | |
Description |
Link to data set report. |
URL | https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9035/supplemental/VVA-DEM.pdf |
---|---|
Name | Dataset report |
URL Type | Online Resource |
File Resource Format | |
Description |
Link to data set report. |
URL | https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9035/supplemental/VVA-lidar.pdf |
---|---|
Name | Dataset report |
URL Type | Online Resource |
File Resource Format | |
Description |
Link to data set report. |
URL | |
---|---|
Name | |
URL Type | |
File Resource Format | |
Description |
URL | |
---|---|
Name | |
URL Type | |
File Resource Format | |
Description |
URL | |
---|---|
Name | |
URL Type | |
File Resource Format | |
Description |
Activity Log
Activity Time | |
---|---|
Activity Type | |
Responsible Party | |
Description |
Activity Time | |
---|---|
Activity Type | |
Responsible Party | |
Description |
Activity Time | |
---|---|
Activity Type | |
Responsible Party | |
Description |
Issues
Issue Date | |
---|---|
Author | |
Issue |
Issue Date | |
---|---|
Author | |
Issue |
Issue Date | |
---|---|
Author | |
Issue |
Technical Environment
Description |
Version 6.2 (Build 9200) ; Esri ArcGIS 10.6.0.8321 |
---|
Data Quality
Representativeness | |
---|---|
Accuracy | |
Analytical Accuracy | |
Horizontal Positional Accuracy |
The data has been collected to meet or exceed a horizontal accuracy of <= 1m. |
Vertical Positional Accuracy |
Ground control survey was conducted by CompassData. CompassData collected 31 points in non-vegetated areas (NVA) and 21 points in vegetated areas (VVA). 7 of the NVA points were provide to Eagle Mapping for point cloud calibration. These points were not used in the absolute accuracy testing. Four control reports were prepared to document the absolute accuracy of the ground classified LiDAR data and the derived digital elevation models. The absolute accuracy was tested for the NVA assessment of the classified ground points, VVA assessment of the classified ground points, NVA assessment of the DEM, and VVA assessment of the DEM. Three VVA points were removed because they were located on slopes, one VVA point was removed automatically as being an outlier. The vertical accuracy requirements for this project for the DEM data were: NVA RMSE < 0.1 m and NVA 95% error < 0.196m and VVA 95% error < 0.294m. The NVA RMSEz = 0.044 m and was calculated using 25 vertical checkpoints on flat hard surfaces in non vegetated open terrain. The NVA error at the 95 % level z = 0.064 and was calculated using 25 vertical checkpoints on flat hard surfaces in non vegetated open terrain. The VVA RMSEz = 0.139 m and was calculated using 18 vertical checkpoints on flat hard surfaces in non vegetated open terrain. The VVA error at the 95% level = 0.223 m and was calculated using 18 vertical checkpoints on flat hard surfaces in non vegetated open terrain. |
Quantitation Limits | |
Bias | |
Comparability | |
Completeness Measure | |
Precision | |
Analytical Precision | |
Field Precision | |
Sensitivity | |
Detection Limit | |
Completeness Report |
The Area of interest covers approximately 186 square miles and has been extended by a buffer of 100 meters. The classified LAS files cover the entire area and include all points. No points inside the area were removed. All swaths were inspected to ensure that there are no data gaps except over water bodies. |
Conceptual Consistency |
The LiDAR data and derived products cover the 186 square mile area of interest (AOI) plus a 100 meter buffer. The classified LiDAR point cloud and the derived breaklines hav been clipped to the buffered AOI. The derived digital elevation model (DEM) has a define NoDataValue outside of the buffered AOI. All data is delivered in 82 tiles. There are no data gaps or mismatches between tiles. |
» Quality Control Procedures Employed |
Data Management
» Have Resources for Management of these Data Been Identified? | |
---|---|
» Approximate Percentage of Budget for these Data Devoted to Data Management | |
» Do these Data Comply with the Data Access Directive? | |
» Is Access to the Data Limited Based on an Approved Waiver? | |
» If Distributor (Data Hosting Service) is Needed, Please Indicate | |
» Approximate Delay Between Data Collection and Dissemination | |
» If Delay is Longer than Latency of Automated Processing, Indicate Under What Authority Data Access is Delayed |
|
» Actual or Planned Long-Term Data Archive Location | |
» If World Data Center or Other, Specify | |
» If To Be Determined, Unable to Archive, or No Archiving Intended, Explain |
|
» Approximate Delay Between Data Collection and Archiving | |
» How Will the Data Be Protected from Accidental or Malicious Modification or Deletion Prior to Receipt by the Archive? |
|
Lineage
» Lineage Statement |
---|
Sources
Citation Title | Source Lidar |
---|---|
Contact Role Type | Originator |
Contact Type | Organization |
Contact Name | TetraTech |
Publish Date | |
Extent Type | |
Extent Start Date/Time | |
Extent End Date/Time | |
Scale Denominator | |
Citation URL | |
Citation URL Name | |
Citation URL Description | |
Source Contribution |
Citation Title | |
---|---|
Contact Role Type | |
Contact Type | |
Contact Name | |
Publish Date | |
Extent Type | |
Extent Start Date/Time | |
Extent End Date/Time | |
Citation URL | |
Citation URL Name | |
Citation URL Description | |
Scale Denominator |
Citation Title | |
---|---|
Contact Role Type | |
Contact Type | |
Contact Name | |
Publish Date | |
Extent Type | |
Extent Start Date/Time | |
Extent End Date/Time | |
Citation URL | |
Citation URL Name | |
Citation URL Description | |
Scale Denominator |
Citation Title | |
---|---|
Contact Role Type | |
Contact Type | |
Contact Name | |
Publish Date | |
Extent Type | |
Extent Start Date/Time | |
Extent End Date/Time | |
Citation URL | |
Citation URL Name | |
Citation URL Description | |
Scale Denominator |
Process Steps
Process Step Number | 1 |
---|---|
» Description |
Flight Acquisition: LiDAR data was acquired on 13 and 14 of August 2019. The coastal area was covered in one flight on August 14 while the inland area was covered on August 13. The coastal flight took place on August 14 with a tide window between -0.7 and +0.5 foot. For the airborne LiDAR flight Tetra Tech subcontracted with Eagle Mapping. The data was acquired with a Riegl LMS VQ780i sensor. |
Process Date/Time | 2019-08-14 00:00:00 |
Process Contact | |
Phone (Voice) | |
Email Address | |
Source |
Process Step Number | 2 |
---|---|
» Description |
DEM Processing: A bare earth DEM has been generated from the ground class and the breaklines. To generate the DEM tiles, the point clouds, the tiling scheme and the breaklines were loaded into terramodeler. A surface was generated using the triangulation method and exported to a grid with a 1 meter grid spacing and cut to tiles. The NoDATA value has been set to -32767. The 82 DEM tiles are provided as 32-bit rasters in geotiff format with associated tfw files. |
Process Date/Time | 2020-01-16 00:00:00 |
Process Contact | |
Phone (Voice) | |
Email Address | |
Source |
Process Step Number | 3 |
---|---|
» Description |
NOAA OCM received 82 DEM files in GeoTiff format from TetraTech. Data was received in UTM 10N NAD 83 (2011) meters horizontally and NAVD88 meters vertically. All data was processed to the Digital Coast. |
Process Date/Time | |
Process Contact | Office for Coastal Management (OCM) |
Phone (Voice) | |
Email Address | |
Source |
Process Step Number | |
---|---|
» Description | |
Process Date/Time | |
Process Contact | |
Phone (Voice) | |
Email Address | |
Source |
Process Step Number | |
---|---|
» Description | |
Process Date/Time | |
Process Contact | |
Phone (Voice) | |
Email Address | |
Source |
Process Step Number | |
---|---|
» Description | |
Process Date/Time | |
Process Contact | |
Phone (Voice) | |
Email Address | |
Source |
Acquisition Information
Instruments
Instrument Unavailable Reason |
---|
Identifier | |
---|---|
Docucomp UUID | |
Instrument / Gear | |
Instrument Type | |
Description |
Identifier | |
---|---|
Docucomp UUID | |
Instrument / Gear | |
Instrument Type | |
Description |
Identifier | |
---|---|
Docucomp UUID | |
Instrument / Gear | |
Instrument Type | |
Description |
Platforms
Platform Unavailable Reason |
---|
Identifier | |||||||
---|---|---|---|---|---|---|---|
Docucomp UUID | |||||||
Description | |||||||
Mounted Instruments |
|||||||
|
Identifier | |||||||
---|---|---|---|---|---|---|---|
Docucomp UUID | |||||||
Description | |||||||
Mounted Instruments |
|||||||
|
Identifier | |||||||
---|---|---|---|---|---|---|---|
Docucomp UUID | |||||||
Description | |||||||
Mounted Instruments |
|||||||
|
FAQs
Date | |
---|---|
Author | |
Question | |
Answer |
Child Items
Rubric scores updated every 15m
Score | Type | Title |
---|---|---|
Related Items
Item Type | Relationship Type | Title |
---|---|---|
Catalog Details
Catalog Item ID | 58958 |
---|---|
Metadata Record Created By | Blake Waring |
Metadata Record Created | 2020-03-02 11:38+0000 |
Metadata Record Last Modified By | Kirk Waters |
» Metadata Record Last Modified | 2024-01-10 19:11+0000 |
Metadata Record Published | 2024-01-10 |
Owner Org | OCM |
Metadata Publication Status | Published Externally |
Do Not Publish? | N |
Metadata Workflow State | Published / External |
Metadata Last Review Date | 2022-03-16 |
Metadata Review Frequency | 1 Year |
Metadata Next Review Date | 2023-03-16 |
Tags |
---|