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2024 NOAA Lidar: AK Coastal Communities (Eek, Goodnews Bay, Nelson Lagoon, Quinhagak, Togiak)

Published by Office for Coastal Management | National Oceanic and Atmospheric Administration, Department of Commerce | Metadata Last Checked: December 19, 2025 | Last Modified: 2025-01-01T00:00:00.000+00:00
Original Product: Classified LAZ 1.4 files, formatted to 825 individual 750m x 750m tiles covering the NOAA AK Coastal Communities 2023 project area. Original Dataset Geographic Extent: This dataset and derived products encompass five areas covering approximately 92,475 acres of Southwest Alaska. Original Dataset Description: The NOAA AK Communities 2023 Lidar project called for the planning, acquisition, and processing of lidar data collected to Quality Level 1 (QL1) standards. Project specifications are based on the U.S. Geological Survey National Geospatial Program Lidar Base Specification Version 2023, Revision A. The data was developed based on the NAD83 2011 horizontal datum and the NAVD88 Geoid 12b vertical datum. Data was projected in UTM Zone 4N, Meters. Lidar data was delivered as calibrated and classified LAZ 1.4 files. Non-Vegetated Vertical Accuracy (NVA) was assessed using 101 check points located on bare earth in clear, unobstructed areas. Vegetated Vertical Accuracy (VVA) was assessed using 26 check points in Tall Grass, Forest, and Shrub landcover types. Single swath nominal pulse spacing (NPS) was designed to be 0.35 at nadir. Aggregate Nominal Pulse Spacing (ANPS) was calculated to be 0.269 with the Riegl VQ-780ii-S and 0.298 with the Riegl 1560iiS using all valid first return points. Derived products include: Intensity Imagery, Hydro-flattened Bare Earth Digital Elevation Models (DEMs), Maximum Surface Height Rasters (MSHRs), and 3D waters edge breaklines. Ground Condition: Ground conditions were free of snow and acquisition occurred free of smoke, fog and cloud cover.

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Complete Metadata
@type dcat:Dataset
accessLevel non-public
contactPoint 
                                            {
  "fn": "NOAA Office for Coastal Management",
  "@type": "vcard:Contact",
  "hasEmail": "mailto:coastal.info@noaa.gov"
}
describedByType application/octet-steam
description Original Product: Classified LAZ 1.4 files, formatted to 825 individual 750m x 750m tiles covering the NOAA AK Coastal Communities 2023 project area. Original Dataset Geographic Extent: This dataset and derived products encompass five areas covering approximately 92,475 acres of Southwest Alaska. Original Dataset Description: The NOAA AK Communities 2023 Lidar project called for the planning, acquisition, and processing of lidar data collected to Quality Level 1 (QL1) standards. Project specifications are based on the U.S. Geological Survey National Geospatial Program Lidar Base Specification Version 2023, Revision A. The data was developed based on the NAD83 2011 horizontal datum and the NAVD88 Geoid 12b vertical datum. Data was projected in UTM Zone 4N, Meters. Lidar data was delivered as calibrated and classified LAZ 1.4 files. Non-Vegetated Vertical Accuracy (NVA) was assessed using 101 check points located on bare earth in clear, unobstructed areas. Vegetated Vertical Accuracy (VVA) was assessed using 26 check points in Tall Grass, Forest, and Shrub landcover types. Single swath nominal pulse spacing (NPS) was designed to be 0.35 at nadir. Aggregate Nominal Pulse Spacing (ANPS) was calculated to be 0.269 with the Riegl VQ-780ii-S and 0.298 with the Riegl 1560iiS using all valid first return points. Derived products include: Intensity Imagery, Hydro-flattened Bare Earth Digital Elevation Models (DEMs), Maximum Surface Height Rasters (MSHRs), and 3D waters edge breaklines. Ground Condition: Ground conditions were free of snow and acquisition occurred free of smoke, fog and cloud cover.
distribution 
                                            [
  {
    "@type": "dcat:Distribution",
    "title": "Customized Download",
    "mediaType": "placeholder/value",
    "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.",
    "downloadURL": "https://coast.noaa.gov/dataviewer/#/lidar/search/where:ID=10426/details/10426",
    "describedByType": "application/octet-steam"
  },
  {
    "@type": "dcat:Distribution",
    "title": "Bulk Download",
    "accessURL": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/10426/index.html",
    "description": "Bulk download of data files in LAZ format, UTM Zone 4N NAD83(2011) meters coordinates and elevations in NAVD88(GEOID12B) meters.",
    "describedByType": "application/octet-steam"
  },
  {
    "@type": "dcat:Distribution",
    "title": "NOAA Data Management Plan (DMP)",
    "mediaType": "placeholder/value",
    "description": "NOAA Data Management Plan for this record on InPort.",
    "downloadURL": "https://www.fisheries.noaa.gov/inportserve/waf/noaa/nos/ocm/dmp/pdf/77595.pdf",
    "describedByType": "application/octet-steam"
  },
  {
    "@type": "dcat:Distribution",
    "title": "GCMD Keyword Forum Page",
    "mediaType": "placeholder/value",
    "description": "Global Change Master Directory (GCMD). 2025. GCMD Keywords, Version 22. Greenbelt, MD: Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA). URL (GCMD Keyword Forum Page): https://forum.earthdata.nasa.gov/app.php/tag/GCMD+Keywords",
    "downloadURL": "https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords",
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    "describedByType": "application/octet-steam"
  },
  {
    "@type": "dcat:Distribution",
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]
identifier gov.noaa.nmfs.inport:77595
issued 2024-01-01T00:00:00.000+00:00
keyword 
                                            [
  "EARTH SCIENCE > LAND SURFACE > TOPOGRAPHY > TERRAIN ELEVATION",
  "EARTH SCIENCE > OCEANS > COASTAL PROCESSES > COASTAL ELEVATION",
  "CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA",
  "CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > ALASKA",
  "VERTICAL LOCATION > LAND SURFACE",
  "LIDAR > Light Detection and Ranging",
  "Airplane > Airplane",
  "DOC/NOAA/NOS/OCM > Office of Coastal Management, National Ocean Service, NOAA, U.S. Department of Commerce",
  "Lidar"
]
landingPage https://www.fisheries.noaa.gov/inport/item/77595
language 
                                            []
license https://creativecommons.org/publicdomain/zero/1.0/
modified 2025-01-01T00:00:00.000+00:00
publisher 
                                            {
  "name": "Office for Coastal Management",
  "@type": "org:Organization"
}
references 
                                            [
  "https://www.fisheries.noaa.gov/inportserve/waf/noaa/nos/ocm/dmp/pdf/77595.pdf"
]
rights otherRestrictions, unclassified
spatial -161.72,59.68,-161.94,59.79
title 2024 NOAA Lidar: AK Coastal Communities (Eek, Goodnews Bay, Nelson Lagoon, Quinhagak, Togiak)

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