2023 USGS Lidar: MN River West, MN
Data Set (DS) | OCM Partners (OCMP)GUID: gov.noaa.nmfs.inport:73345 | Updated: September 5, 2024 | Published / External
Summary
Short Citation
OCM Partners, 2024: 2023 USGS Lidar: MN River West, MN, https://www.fisheries.noaa.gov/inport/item/73345.
Full Citation Examples
Geographic Extent: Approximately 11,485 square miles in southwest Minnesota.
MN_RiverWest_1 (Work Unit 300408) - covering approximately 4151 square miles
MN_RiverWest_2 (Work Unit 300409) - covering approximately 3170 square miles
MN_RiverWest_3 (Work Unit 300410) - covering approximately 4164 square miles
Dataset Description of Original Data: LIDAR-derived binary (.las) files containing classified points of all returns. The classifications are: Unclassified, Ground, Low Noise, Water, Bridge Decks, High Noise and Ignored Ground. These files adhere to USGS-NGP Lidar Base Specification 2022 rev. A Quality Level 1 (QL1) standards, eight points or greater per square meter. These files are delivered in tile format (1000x1000m).
This metadata record supports the data entry in the NOAA Digital Coast Data Access Viewer (DAV). For this data set, the DAV is leveraging the Entwine Point Tiles (EPT) hosted by USGS on Amazon Web Services.
Distribution Information
-
Not Applicable
Create custom data files by choosing data area, product type, map projection, file format, datum, etc. A new metadata will be produced to reflect your request using this record as a base. Change to an orthometric vertical datum is one of the many options.
-
LAS/LAZ - LASer
Bulk download of data files in LAZ format, UTM Zone 15 NAD83 (2011), meters coordinates and NAVD88 (Geoid18) elevations in meters
None
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be aware that temporal changes may have occurred since this data set was collected and some parts of this data may no longer represent actual surface conditions.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.
Controlled Theme Keywords
elevation, TERRAIN ELEVATION
Child Items
No Child Items for this record.
Contact Information
Point of Contact
NOAA Office for Coastal Management (NOAA/OCM)
coastal.info@noaa.gov
(843) 740-1202
https://coast.noaa.gov
Metadata Contact
NOAA Office for Coastal Management (NOAA/OCM)
coastal.info@noaa.gov
(843) 740-1202
https://coast.noaa.gov
Extents
-96.5° W,
-94.45° E,
44.93° N,
44.19° S
MN_RiverWest_1 (WU 300408)
-96.16° W,
-94.74° E,
45.44° N,
44.85° S
MN_RiverWest_2 (WU 300409)
-96.87° W,
-95.11° E,
45.79° N,
45.4° S
MN_RiverWest_3 (WU 300410)
2023-05-04 - 2023-06-20
Dates of collection for MN_RiverWest_1 (WU 300408)
2023-05-15 - 2023-06-20
Dates of collection for MN_RiverWest_2 (WU 300409)
2023-05-25 - 2023-06-20
Dates of collection for MN_RiverWest_3 (WU 300410)
Item Identification
| Title: | 2023 USGS Lidar: MN River West, MN |
|---|---|
| Status: | Completed |
| Creation Date: | 2023 |
| Publication Date: | 2024 |
| Abstract: |
Geographic Extent: Approximately 11,485 square miles in southwest Minnesota. MN_RiverWest_1 (Work Unit 300408) - covering approximately 4151 square miles MN_RiverWest_2 (Work Unit 300409) - covering approximately 3170 square miles MN_RiverWest_3 (Work Unit 300410) - covering approximately 4164 square miles Dataset Description of Original Data: LIDAR-derived binary (.las) files containing classified points of all returns. The classifications are: Unclassified, Ground, Low Noise, Water, Bridge Decks, High Noise and Ignored Ground. These files adhere to USGS-NGP Lidar Base Specification 2022 rev. A Quality Level 1 (QL1) standards, eight points or greater per square meter. These files are delivered in tile format (1000x1000m). This metadata record supports the data entry in the NOAA Digital Coast Data Access Viewer (DAV). For this data set, the DAV is leveraging the Entwine Point Tiles (EPT) hosted by USGS on Amazon Web Services. |
| Purpose: |
This task is for providing a spring 2023 leaf-off and snow-free lidar survey over an area of approximately 11,485 square miles. This project will support the 3DEP mission, the Natural Resources Conservation Service (NRCS) high-resolution elevation enterprise, as well as many state and local agencies. |
| Supplemental Information: |
USGS Task Order 140G0223F0145-MN_RiverWest_B23 Synthetic Points: Optech's Galaxy T2000 raw lidar post-processing software LMS uses a method to fill small voids with synthetic points when the PulseTRAK algorithm drops a point recording. This can happen between the transition of PIA (pulse-in-air) zones. Time periods have been converted from UTC to Central Standard Time for the metadata. |
Keywords
Theme Keywords
| Thesaurus | Keyword |
|---|---|
| Global Change Master Directory (GCMD) Science Keywords |
EARTH SCIENCE > LAND SURFACE > TOPOGRAPHY > TERRAIN ELEVATION
|
| ISO 19115 Topic Category |
elevation
|
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 |
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > MINNESOTA
|
| Global Change Master Directory (GCMD) Location Keywords |
VERTICAL LOCATION > LAND SURFACE
|
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 |
Data Set Information
| Data Set Scope Code: | Data Set |
|---|---|
| Data Set Type: | Elevation |
| Maintenance Frequency: | None Planned |
| Data Presentation Form: | Model (digital) |
| 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: | Merrick-Surdex Joint Venture, USGS, NRCS |
Support Roles
Data Steward
| Date Effective From: | 2024 |
|---|---|
| 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
| Date Effective From: | 2024 |
|---|---|
| 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
| Date Effective From: | 2024 |
|---|---|
| Date Effective To: | |
| Contact (Organization): | U.S. Geological Survey |
| Address: |
12201 Sunrise Valley Drive Reston, VA 20191 USA |
| URL: | USGS Home |
Metadata Contact
| Date Effective From: | 2024 |
|---|---|
| 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
| Date Effective From: | 2024 |
|---|---|
| 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: | Ground Condition |
|---|
Extent Group 1
Extent Group 1 / Geographic Area 1
| W° Bound: | -96.5 | |
|---|---|---|
| E° Bound: | -94.45 | |
| N° Bound: | 44.93 | |
| S° Bound: | 44.19 | |
| Description |
MN_RiverWest_1 (WU 300408) |
|
Extent Group 1 / Geographic Area 2
| W° Bound: | -96.16 | |
|---|---|---|
| E° Bound: | -94.74 | |
| N° Bound: | 45.44 | |
| S° Bound: | 44.85 | |
| Description |
MN_RiverWest_2 (WU 300409) |
|
Extent Group 1 / Geographic Area 3
| W° Bound: | -96.87 | |
|---|---|---|
| E° Bound: | -95.11 | |
| N° Bound: | 45.79 | |
| S° Bound: | 45.4 | |
| Description |
MN_RiverWest_3 (WU 300410) |
|
Extent Group 1 / Time Frame 1
| Time Frame Type: | Range |
|---|---|
| Start: | 2023-05-04 |
| End: | 2023-06-20 |
| Description: |
Dates of collection for MN_RiverWest_1 (WU 300408) |
Extent Group 1 / Time Frame 2
| Time Frame Type: | Range |
|---|---|
| Start: | 2023-05-15 |
| End: | 2023-06-20 |
| Description: |
Dates of collection for MN_RiverWest_2 (WU 300409) |
Extent Group 1 / Time Frame 3
| Time Frame Type: | Range |
|---|---|
| Start: | 2023-05-25 |
| End: | 2023-06-20 |
| Description: |
Dates of collection for MN_RiverWest_3 (WU 300410) |
Spatial Information
Spatial Representation
Representations Used
| Grid: | No |
|---|---|
| Vector: | Yes |
| Text / Table: | No |
| TIN: | No |
| Stereo Model: | No |
| Video: | No |
Reference Systems
Reference System 1
Coordinate Reference System |
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Reference System 2
Coordinate Reference System |
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Access Information
| Security Class: | Unclassified |
|---|---|
| Data Access Procedure: |
Data is available online for bulk and 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. |
Distribution Information
Distribution 1
| Start Date: | 2024-07-23 |
|---|---|
| End Date: | Present |
| Download URL: | https://coast.noaa.gov/dataviewer/#/lidar/search/where:ID=10171/details/10171 |
| Distributor: | NOAA Office for Coastal Management (NOAA/OCM) (2024 - Present) |
| File Name: | Customized Download |
| Description: |
Create custom data files by choosing data area, product type, map projection, file format, datum, etc. A new metadata will be produced to reflect your request using this record as a base. Change to an orthometric vertical datum is one of the many options. |
| Distribution Format: | Not Applicable |
| Compression: | Zip |
Distribution 2
| Start Date: | 2024 |
|---|---|
| End Date: | Present |
| Download URL: | https://rockyweb.usgs.gov/vdelivery/Datasets/Staged/Elevation/LPC/Projects/MN_RiverWest_B23/ |
| Distributor: | U.S. Geological Survey (2024 - Present) |
| File Name: | Bulk Download |
| Description: |
Bulk download of data files in LAZ format, UTM Zone 15 NAD83 (2011), meters coordinates and NAVD88 (Geoid18) elevations in meters |
| Distribution Format: | LAS/LAZ - LASer |
| Compression: | LAZ |
URLs
URL 1
| URL: | https://s3-us-west-2.amazonaws.com/usgs-lidar-public/MN_RiverWest_1_B23/ept.json |
|---|---|
| Name: | USGS Entwine Point Tile (EPT) - MN_RiverWest_1 |
| URL Type: |
Online Resource
|
| File Resource Format: | json |
| Description: |
Entwine Point Tile (EPT) is a simple and flexible octree-based storage format for point cloud data. The data is organized in such a way that the data can be reasonably streamed over the internet, pulling only the points you need. EPT files can be queried to return a subset of the points that give you a representation of the area. As you zoom further in, you are requesting higher and higher densities. A dataset in EPT will contain a lot of files, however, the ept.json file describes all the rest. The EPT file can be used in Potree and QGIS to view the point cloud. |
URL 2
| URL: | https://s3-us-west-2.amazonaws.com/usgs-lidar-public/MN_RiverWest_2_B23/ept.json |
|---|---|
| Name: | USGS Entwine Point Tile (EPT) - MN_RiverWest_2 |
| URL Type: |
Online Resource
|
| File Resource Format: | json |
| Description: |
Entwine Point Tile (EPT) is a simple and flexible octree-based storage format for point cloud data. The data is organized in such a way that the data can be reasonably streamed over the internet, pulling only the points you need. EPT files can be queried to return a subset of the points that give you a representation of the area. As you zoom further in, you are requesting higher and higher densities. A dataset in EPT will contain a lot of files, however, the ept.json file describes all the rest. The EPT file can be used in Potree and QGIS to view the point cloud. |
URL 3
| URL: | https://s3-us-west-2.amazonaws.com/usgs-lidar-public/MN_RiverWest_3_B23/ept.json |
|---|---|
| Name: | USGS Entwine Point Tile (EPT) - MN_RiverWest_3 |
| URL Type: |
Online Resource
|
| File Resource Format: | json |
| Description: |
Entwine Point Tile (EPT) is a simple and flexible octree-based storage format for point cloud data. The data is organized in such a way that the data can be reasonably streamed over the internet, pulling only the points you need. EPT files can be queried to return a subset of the points that give you a representation of the area. As you zoom further in, you are requesting higher and higher densities. A dataset in EPT will contain a lot of files, however, the ept.json file describes all the rest. The EPT file can be used in Potree and QGIS to view the point cloud. |
URL 4
| 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 5
| URL: | https://prd-tnm.s3.amazonaws.com/StagedProducts/Elevation/metadata/MN_RiverWest_B23/MN_RiverWest_1_B23/reports/140G0223F0145-MN_RiverWest_B23_WU_ID300408_Lidar_Mapping_Report.pdf |
|---|---|
| Name: | Lidar Report - MN_RiverWest_1 |
| URL Type: |
Online Resource
|
| File Resource Format: | |
| Description: |
Link to the lidar report. |
URL 6
| URL: | https://prd-tnm.s3.amazonaws.com/StagedProducts/Elevation/metadata/MN_RiverWest_B23/MN_RiverWest_2_B23/reports/Lidar_Report/140G0223F0145-MN_RiverWest_B23_WU_ID300409_Lidar_Mapping_Report.pdf |
|---|---|
| Name: | Lidar Report - MN_RiverWest_2 |
| URL Type: |
Online Resource
|
| File Resource Format: | |
| Description: |
Link to the lidar report. |
URL 7
| URL: | https://prd-tnm.s3.amazonaws.com/StagedProducts/Elevation/metadata/MN_RiverWest_B23/MN_RiverWest_3_B23/reports/Lidar_Report/140G0223F0145-MN_RiverWest_B23_WU_ID300410_Lidar_Mapping_Report.pdf |
|---|---|
| Name: | Lidar Report - MN_RiverWest_3 |
| URL Type: |
Online Resource
|
| File Resource Format: | |
| Description: |
Link to the lidar report. |
URL 8
| URL: | https://usgs.entwine.io/data/view.html?r=[%22https://s3-us-west-2.amazonaws.com/usgs-lidar-public/MN_RiverWest_1_B23/ept.json%22,%22https://s3-us-west-2.amazonaws.com/usgs-lidar-public/MN_RiverWest_2_B23/ept.json%22,%22https://s3-us-west-2.amazonaws.com/usgs-lidar-public/MN_RiverWest_3_B23/ept.json%22] |
|---|---|
| Name: | USGS 3D View |
| URL Type: |
Online Resource
|
| Description: |
Link to view the point cloud, using the Entwine Point Tile (EPT) format, in the 3D Potree viewer. |
URL 9
| URL: | https://prd-tnm.s3.amazonaws.com/StagedProducts/Elevation/metadata/MN_RiverWest_B23/USGS_MN_RiverWest_B23_Project_Report.pdf |
|---|---|
| Name: | USGS Project Report |
| URL Type: |
Online Resource
|
| File Resource Format: | |
| Description: |
Link to the USGS Project Report that provides information about the project, vertical accuracy results, and the point classes and sensors used. |
URL 10
| URL: | https://prd-tnm.s3.amazonaws.com/index.html?prefix=StagedProducts/Elevation/metadata/MN_RiverWest_B23/ |
|---|---|
| Name: | USGS Additional Info |
| URL Type: |
Online Resource
|
| Description: |
Link to the reports, breaklines, metadata, and spatial metadata. |
Technical Environment
| Description: |
Microsoft Windows 10 ; ArcMap 10.7; ArcCatalog 10.7; TerraScan ver. 20; TerraModeler ver. 20; LP360. |
|---|
Data Quality
| Horizontal Positional Accuracy: |
The lidar data set was produced to meet ASPRS Positional Accuracy Standards for Digital Geospatial Data (2014) for a 20 (cm) RMSEx / RMSEy Horizontal Accuracy Class which equates to Positional Horizontal Accuracy = +/- 48 cm at a 95% confidence level. |
|---|---|
| Vertical Positional Accuracy: |
This data set was produced to meet ASPRS Positional Accuracy Standard for Digital Geospatial Data (2014) for a 10-cm RMSEz Vertical Accuracy Class. USGS Determined Vertical Accuracy: Tested NVA RMSEz = 3.97 cm Tested 95th percentile value for VVA = 17.65 cm For more information see the USGS project report and the lidar reports. The links to these reports are provided in the URL section of this metadata record. |
| Completeness Report: |
These LAS data files include all data points collected. No points have been removed or excluded. A visual qualitative assessment was performed to ensure data completeness. No void areas or missing data exist. The raw point cloud is of good quality and data passes Non-Vegetated Vertical Accuracy specifications. |
| Conceptual Consistency: |
Data covers the entire area specified for this project. |
Data Management
| Have Resources for Management of these Data Been Identified?: | Yes |
|---|---|
| Approximate Percentage of Budget for these Data Devoted to Data Management: | Unknown |
| Do these Data Comply with the Data Access Directive?: | Yes |
| Actual or Planned Long-Term Data Archive Location: | NCEI-NC |
| How Will the Data Be Protected from Accidental or Malicious Modification or Deletion Prior to Receipt by the Archive?: |
Data is backed up to cloud storage. |
Lineage
| Lineage Statement: |
The NOAA Office for Coastal Management (OCM) ingested references to the USGS Entwine Point Tiles (EPT) hosted on Amazon Web Services (AWS) into the Digital Coast Data Access Viewer (DAV). The DAV accesses the point cloud as it resides on AWS under the usgs-lidar-public-container. |
|---|
Sources
USGS AWS Entwine Point Tile (EPT) - MN_RiverWest_1
| Contact Role Type: | Publisher |
|---|---|
| Contact Type: | Organization |
| Contact Name: | USGS |
| Citation URL: | https://s3-us-west-2.amazonaws.com/usgs-lidar-public/MN_RiverWest_1_B23/ept.json |
| Citation URL Name: | Entwine Point Tile for MN_RiverWest_1 |
USGS AWS Entwine Point Tile (EPT) - MN_RiverWest_2
| Contact Role Type: | Publisher |
|---|---|
| Contact Type: | Organization |
| Contact Name: | USGS |
| Citation URL: | https://s3-us-west-2.amazonaws.com/usgs-lidar-public/MN_RiverWest_2_B23/ept.json |
| Citation URL Name: | Entwine Point Tile for MN_RiverWest_2 |
USGS AWS Entwine Point Tile (EPT) - MN_RiverWest_3
| Contact Role Type: | Publisher |
|---|---|
| Contact Type: | Organization |
| Contact Name: | USGS |
| Citation URL: | https://s3-us-west-2.amazonaws.com/usgs-lidar-public/MN_RiverWest_3_B23/ept.json |
| Citation URL Name: | Entwine Point Tile for MN_RiverWest_3 |
Process Steps
Process Step 1
| Description: |
Lidar data was collected using Optech Galaxy T2000 sensor. The raw data was verified in MARS software for complete coverage of the project area, and boresighted to align the flightlines. Raw data files were parsed into manageable client-specific tiles. These tiles were then processed through automated filtering that separates the data into different classification groups: unclassified points, ground points, low noise, water, bridge decks, high noise and ignore ground. The data was next taken into MARS to reclassify the erroneous points that may remain in the lidar point cloud after auto filter. Eight points per square meter (QL1). |
|---|---|
| Process Date/Time: | 2023-11-28 00:00:00 |
Process Step 2
| Description: |
MN_RiverWest_1 LiDAR swath data was measured to have an aggregate of 0.198 meter nominal pulse spacing and 25.525 pulses per meter. The method used was counting first return points within the each swath then dividing by the area of the extent of the corresponding swath to get density. NPS was mathematically derived from this density number. This was performed on each swath then averaged to generate the two numbers above. This USGS method does not consider swath sidelap in these calculations. MN_RiverWest_2 LiDAR swath data was measured to have an aggregate of 0.183 meter nominal pulse spacing and 30.006 pulses per meter. The method used was counting first return points within the each swath then dividing by the area of the extent of the corresponding swath to get density. NPS was mathematically derived from this density number. This was performed on each swath then averaged to generate the two numbers above. This USGS method does not consider swath sidelap in these calculations. MN_RiverWest_3 LiDAR swath data was measured to have an aggregate of 0.205 meter nominal pulse spacing and 23.796 pulses per meter. The method used was counting first return points within the each swath then dividing by the area of the extent of the corresponding swath to get density. NPS was mathematically derived from this density number. This was performed on each swath then averaged to generate the two numbers above. This USGS method does not consider swath sidelap in these calculations. |
|---|---|
| Process Date/Time: | 2023-11-28 00:00:00 |
Process Step 3
| Description: |
Original point clouds in LAS/LAZ format were restructured as Entwine Point Tiles and stored on Amazon Web Services. The data were re-projected horizontally to WGS84 web mercator (EPSG 3857) and and the vertical units of meters (NAVD88 GEOID18) were retained. |
|---|---|
| Process Contact: | U.S. Geological Survey |
Process Step 4
| Description: |
The NOAA Office for Coastal Management (OCM) created references to the Entwine Point Tiles (EPT) that were ingested into the NOAA Digital Coast Data Access Viewer (DAV). No changes were made to the data. The DAV will access the point cloud as it resides on Amazon Web Services (AWS) under the usgs-lidar-public container. These are the AWS URLs being accessed: https://s3-us-west-2.amazonaws.com/usgs-lidar-public/MN_RiverWest_1_B23/ept.json https://s3-us-west-2.amazonaws.com/usgs-lidar-public/MN_RiverWest_1_B23/ept.json https://s3-us-west-2.amazonaws.com/usgs-lidar-public/MN_RiverWest_1_B23/ept.json |
|---|---|
| Process Date/Time: | 2024-09-04 00:00:00 |
| Process Contact: | Office for Coastal Management (OCM) |
Catalog Details
| Catalog Item ID: | 73345 |
|---|---|
| GUID: | gov.noaa.nmfs.inport:73345 |
| Metadata Record Created By: | Rebecca Mataosky |
| Metadata Record Created: | 2024-09-03 13:35+0000 |
| Metadata Record Last Modified By: | Rebecca Mataosky |
| Metadata Record Last Modified: | 2024-09-05 14:03+0000 |
| Metadata Record Published: | 2024-09-05 |
| Owner Org: | OCMP |
| Metadata Publication Status: | Published Externally |
| Do Not Publish?: | N |
| Metadata Last Review Date: | 2024-07-23 |
| Metadata Review Frequency: | 1 Year |
| Metadata Next Review Date: | 2025-07-23 |