Walrus Haulout Outlines Apparent from Satellite Imagery Near Point Lay Alaska, Autumn 2018-2020

These data are in three folders of Keyhole Markup Language (KML) geospatial polygons representing the outlines of walrus herds apparent in satellite imagery. Each KML file contains one or more geospatial polygons of walrus herd outlines created by one observer who visually interpreted the images. The attribute values from all KML files are collected in a CSV table included with this data package.

Data and Resources

Field Value
accessLevel public
bureauCode {010:12}
catalog_@context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
catalog_conformsTo https://project-open-data.cio.gov/v1.1/schema
catalog_describedBy https://project-open-data.cio.gov/v1.1/schema/catalog.json
identifier USGS:ASC401
metadata_type geospatial
modified 20211025
old-spatial -163.05, 69.78, -163.03, 69.77
publisher U.S. Geological Survey
publisher_hierarchy Department of the Interior > U.S. Geological Survey
resource-type Dataset
source_datajson_identifier true
source_hash 11d4335c8337eb379ba399598f593ca552a6ce5d
source_schema_version 1.1
spatial {"type": "Polygon", "coordinates": [[[-163.05, 69.78], [-163.05, 69.77], [ -163.03, 69.77], [ -163.03, 69.78], [-163.05, 69.78]]]}
theme {geospatial}
Groups
  • AmeriGEOSS
  • National Provider
  • North America
Tags
  • aerial-photography
  • aerial-surveys
  • age-composition
  • alaska
  • amerigeo
  • amerigeoss
  • animals-vertebrates
  • aquatic-ecosystems
  • biota
  • carnivores
  • chukchi-sea
  • ckan
  • coastal-ecosystems
  • environment
  • field-inventory-and-monitoring
  • geo
  • geoss
  • image-collections
  • mammals
  • marine-ecosystems
  • marine-mammals
  • national
  • north-america
  • odobenus-rosmarus-divergens
  • pacific-walrus
  • point-lay
  • seals-sea-lions-walruses
  • united-states
  • usgs-asc401
  • walrus
  • wildlife
isopen False
license_id notspecified
license_title License not specified
maintainer U.S. Geological Survey, Alaska Science Center
maintainer_email ascweb@usgs.gov
metadata_created 2025-11-20T23:06:46.622924
metadata_modified 2025-11-20T23:06:46.622929
notes These data are in three folders of Keyhole Markup Language (KML) geospatial polygons representing the outlines of walrus herds apparent in satellite imagery. Each KML file contains one or more geospatial polygons of walrus herd outlines created by one observer who visually interpreted the images. The attribute values from all KML files are collected in a CSV table included with this data package.
num_resources 2
num_tags 31
title Walrus Haulout Outlines Apparent from Satellite Imagery Near Point Lay Alaska, Autumn 2018-2020