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Oregon Channel Migration

Published by State of Oregon | State of Oregon | Catalog Last Checked: May 05, 2026 at 07:54 PM | Dataset Last Updated: July 07, 2023
Channel migration is the natural process by which streams move laterally over time. It is typically a gradual phenomenon that works over many years to effect significant migration. In some cases, usually associated with flood events, significant migration can happen rapidly. Channel migration can and has created hazardous conditions within Oregon’s developed riparian areas. Areas of high susceptibility to rapid and potentially catastrophic migration are known anecdotally, but statewide susceptibility screening has not been performed. This dataset represents a screening of channel migration susceptibility for the primary and (if applicable) secondary drainage in each subbasin (HUC-8) that intersects with the State of Oregon.

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Complete Metadata
@type dcat:Dataset
accessLevel public
contactPoint 
                                            {
  "fn": "OR_FRAMEWORK",
  "@type": "vcard:Contact",
  "hasEmail": "mailto:gis.info@das.oregon.gov"
}
description <div style='text-align:Left;'><div><p><span>Channel migration is the natural process by which streams move laterally over time. It is typically a gradual phenomenon that works over many years to effect significant migration. In some cases, usually associated with flood events, significant migration can happen rapidly. Channel migration can and has created hazardous conditions within Oregon’s developed riparian areas. Areas of high susceptibility to rapid and potentially catastrophic migration are known anecdotally, but statewide susceptibility screening has not been performed. This dataset represents a screening of channel migration susceptibility for the primary and (if applicable) secondary drainage in each subbasin (HUC-8) that intersects with the State of Oregon.</span></p></div></div>
distribution 
                                            [
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identifier https://www.arcgis.com/home/item.html?id=409b86a1c6d1476f81b6465ff0ea63bd&sublayer=0
issued 2023-06-25
keyword 
                                            [
  "alluvium",
  "braided",
  "colluvium",
  "elevation",
  "environment",
  "flood",
  "floodplains",
  "geomorphology",
  "geoscientificinformation",
  "gradient",
  "hydrography",
  "hydrologic units",
  "inlandwaters",
  "land use",
  "landscape evolution",
  "lidar",
  "natural disasters",
  "perennial stream",
  "planningcadastre",
  "relief",
  "river",
  "slope",
  "stream",
  "streams",
  "surface",
  "surface water",
  "us41: oregon",
  "watercourses",
  "wildland urban interface"
]
landingPage https://geohub.oregon.gov/datasets/oregon-geo::oregon-channel-migration
modified 2023-07-07
publisher 
                                            {
  "name": "State of Oregon",
  "@type": "org:Organization"
}
spatial -124.5451,41.9926,-116.5796,46.1758
theme 
                                            [
  "geospatial"
]
title Oregon Channel Migration

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