2008 USFS Lidar: Sherman Pass, Colville NF, WA
OCM Partners
Data Set
(DS)
| ID: 69263
| Published / External
Created: 2023-02-09
|
Last Modified: 2023-10-17
Project (PRJ) | ID: 49401
ID: 69263
Data Set (DS)
* Discovery• First Pass
» Metadata Rubric
Item Identification
* » Title | 2008 USFS Lidar: Sherman Pass, Colville NF, WA |
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Short Name | 2008 usfs colville m9753 |
* Status | Completed |
Creation Date | 2008-11-05 |
Revision Date | |
• Publication Date | 2023-02-09 |
* » Abstract |
Light Detection and Ranging data (lidar) of the Colville National Forest Study Area. The requested lidar area of interest (AOI) totals approximately 160 square miles, or 102,243 acres. This area was buffered by 100 meters to ensure data coverage, resulting in a total area flown (TAF) of 105,074 acres. |
* Purpose |
Provide a lidar point cloud for forestry management. |
Notes |
This metadata was created years after the data collection based upon the available project report from the lidar contractor. |
Other Citation Details | |
• Supplemental Information | |
DOI (Digital Object Identifier) | |
DOI Registration Authority | |
DOI Issue Date |
Keywords
Theme Keywords
Thesaurus | Keyword |
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Global Change Master Directory (GCMD) Science Keywords | EARTH SCIENCE > LAND SURFACE > TOPOGRAPHY > TERRAIN ELEVATION |
ISO 19115 Topic Category | elevation |
Temporal Keywords
Thesaurus | Keyword |
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* Spatial Keywords
Thesaurus | Keyword |
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Global Change Master Directory (GCMD) Location Keywords | CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > WASHINGTON |
Stratum Keywords
Thesaurus | Keyword |
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Instrument Keywords
Thesaurus | Keyword |
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Global Change Master Directory (GCMD) Instrument Keywords | LIDAR > Light Detection and Ranging |
Platform Keywords
Thesaurus | Keyword |
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Global Change Master Directory (GCMD) Platform Keywords | Airplane > Airplane |
Physical Location
• » Organization | Office for Coastal Management |
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• » City | |
• » State/Province | |
• Country | |
• » Location Description |
Data Set Information
* Data Set Scope Code | Data Set |
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• Data Set Type | Elevation |
• Maintenance Frequency | As Needed |
Maintenance Note | |
» Data Presentation Form | Model (digital) |
• Entity Attribute Overview |
LAS format data with attributes of x, y, z, intensity, seconds of gps week, |
Entity Attribute Detail Citation | |
Entity Attribute Detail URL | https://www.asprs.org/wp-content/uploads/2010/12/asprs_las_format_v11.pdf |
Distribution Liability | |
Data Set Credit |
Support Roles
* » Support Role | Data Steward |
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* » Date Effective From | 2023-02-09 |
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 |
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* » Date Effective From | 2023-02-09 |
Date Effective To | |
Organization | Office for Coastal Management (OCM) |
Address |
2234 South Hobson Avenue Charleston, SC 29405-2413 |
Email Address | |
Phone | |
Fax | |
Mobile | |
URL | https://www.coast.noaa.gov/ |
Business Hours | |
Contact Instructions |
* » Support Role | Metadata Contact |
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* » Date Effective From | 2023-02-09 |
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 | |
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* Contact Instructions |
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* Contact Instructions |
Extents
Currentness Reference |
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Extent Group 1
Extent Description |
Colville National Forest Study Area |
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Extent Group 1 / Geographic Area 1
* » W° Bound | -118.6703 |
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* » E° Bound | -118.112 |
* » N° Bound | 48.7066 |
* » S° Bound | 48.5114 |
* » Description |
Extent Group 1 / Vertical Extent
EPSG Code | |
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Vertical Minimum | |
Vertical Maximum |
Extent Group 1 / Time Frame 1
* » Time Frame Type | Range |
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* » Start | 2008-06-15 |
End | 2008-06-24 |
Alternate Start As Of Info | |
Alternate End As Of Info | |
Description |
Initial collection |
Extent Group 1 / Time Frame 2
* » Time Frame Type | Discrete |
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* » Start | 2008-09-05 |
End | |
Alternate Start As Of Info | |
Alternate End As Of Info | |
Description |
collection to fill gaps |
Spatial Information
Spatial Resolution
Angular Distance | |
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Angular Distance Units | |
Horizontal Distance | 0.35 |
Horizontal Distance Units | Meter |
Vertical Distance | |
Vertical Distance Units | |
Equivalent Scale Denominator | |
Level of Detail Description |
Spatial Representation
Grid Representation Used? | |
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Vector Representation Used? | Yes |
Text / Table Representation Used? | |
TIN Representation Used? | |
Stereo Model Representation Used? | |
Video Representation Used? |
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Complex Object Present? | |
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Curve Object Present? | |
Curve Object Count | |
Point Object Present? | Yes |
Point Object Count | 3767993261 |
Solid Object Present? | |
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Reference Systems
Reference System
EPSG Code | EPSG:4957 | ||||||||||||||||||||||||||||
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Access Information
Data License | |
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Data License URL | |
Data License Statement | |
* » Security Class | Unclassified |
* Security Classification System | |
Security Handling Description | |
• Data Access Policy | |
» Data Access Procedure | |
• » Data Access Constraints |
None |
• Data Use Constraints |
None |
Metadata Access Constraints |
None |
Metadata Use Constraints |
None |
Distribution Information
Start Date | 2023-02-09 |
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End Date | Present |
» Download URL | https://coast.noaa.gov/dataviewer/#/lidar/search/where:ID=9753 |
Distributor | Office for Coastal Management (OCM) (2023-02-09 - Present) |
File Name | |
Description |
Custom download allowing user selection of area, projection, format, etc. |
File Date/Time | |
File Type (Deprecated) | Zip |
Distribution Format | |
File Size | |
Application Version | |
Compression | Zip |
Review Status |
Start Date | 2023-02-09 |
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End Date | Present |
» Download URL | https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9753/index.html |
Distributor | Office for Coastal Management (OCM) (2023-02-09 - Present) |
File Name | |
Description |
Bulk download of files. These are in orthometric NAVD88 vertical datum. |
File Date/Time | |
File Type (Deprecated) | LAZ |
Distribution Format | LAS/LAZ - LASer |
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Compression | Zip |
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Archive Information
Location | |
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URL | |
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URLs
URL | https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/9753/supplemental/Colville_Data_Report_2008.pdf |
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Name | Colville Data Report |
URL Type | Online Resource |
File Resource Format | |
Description |
Data report from the contractor. Represents the data as delivered to USFS. Modifications have occurred to the data, as noted in this metadata. |
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Issues
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Technical Environment
Description |
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Data Quality
Representativeness | |
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Accuracy | |
Analytical Accuracy | |
Horizontal Positional Accuracy | |
Vertical Positional Accuracy |
absolute accuracy RMSE = 0.08 feet (0.024 meters) standard deviation = 0.13 feet (0.04 meters) Note: These are the values from the data report. RMSE less than standard deviation does not make mathematical sense! Relative accuracy from examining overlapping flightlines has a standard deviation of 0.29 feet (0.09 meters). Given these inconsistencies, the true absolute accuracy is unclear and it may be safer to use a value on the order of 0.10 meters. |
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Data Management
» Have Resources for Management of these Data Been Identified? | |
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» 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 |
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» 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 |
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» 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? |
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Lineage
» Lineage Statement |
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Sources
Citation Title | Classified point cloud |
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Contact Role Type | Originator |
Contact Type | Organization |
Contact Name | USFS |
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Process Steps
Process Step Number | 1 |
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» Description |
The LiDAR survey utilized a Leica ALS50 Phase II sensor mounted in a Cessna Caravan 208B. The Leica ALS50 Phase II system was set to acquire greater than 105,000 laser pulses per second (i.e. 105 kHz pulse rate) and flown at 900 meters above ground level (AGL), capturing a scan angle of ±14 degrees from nadir (see Table 2.1). These settings are developed to yield points with an average native pulse density of 8 points per square meter over terrestrial surfaces. Some types of surfaces (i.e., dense vegetation or water) may return fewer pulses than the laser originally emitted. Therefore, the delivered density can be less than the native density and vary according to distributions of terrain, land cover, and water bodies. The study area was surveyed with opposing flight line side-lap of at least 50% (100% overlap) to reduce laser shadowing and increase surface laser painting. The system allows up to four range measurements per pulse, and all discernable laser returns were processed for the output dataset. |
Process Date/Time | 2008-09-05 00:00:00 |
Process Contact | |
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Source |
Process Step Number | 2 |
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» Description |
Point cloud data were classified for ground points by Watershed Sciences. Ground points were given a point class of two (2) as specified by the LAS 1.1 format. Unclassified points were given a class of one (1). |
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Process Step Number | 3 |
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» Description |
Classified point clouds were received by NOAA from US Forest Service in Washington State Plane North NAD83(HARN), NAVD88/Geoid03. For ingest into the Digital Coast Data Access Viewer, the data were converted to geographic coordinates and the geoid model was removed. |
Process Date/Time | 2023-02-09 00:00:00 |
Process Contact | NOAA Office for Coastal Management (NOAA/OCM) |
Phone (Voice) | (843) 740-1202 |
Email Address | coastal.info@noaa.gov |
Source | Classified point cloud |
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Acquisition Information
Instruments
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FAQs
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Child Items
Rubric scores updated every 15m
Score | Type | Title |
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Related Items
Item Type | Relationship Type | Title |
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Catalog Details
Catalog Item ID | 69263 |
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Metadata Record Created By | Kirk Waters |
Metadata Record Created | 2023-02-09 19:24+0000 |
Metadata Record Last Modified By | SysAdmin InPortAdmin |
» Metadata Record Last Modified | 2023-10-17 16:12+0000 |
Metadata Record Published | 2023-02-09 |
Owner Org | OCMP |
Metadata Publication Status | Published Externally |
Do Not Publish? | N |
Metadata Workflow State | Published / External |
Metadata Last Review Date | 2023-02-09 |
Metadata Review Frequency | 3 Years |
Metadata Next Review Date | 2026-02-09 |
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