Open Net Zero logo
Tongass Landslide Initiation (Feature Layer)
L o a d i n g
Organization
United States Department of Agriculture - view all
Update frequencyunknown
Last updated3 years ago
Overview

This is the point feature class for the once-over landslide inventory of the Tongass National Forest. Most of the landslide polygons were digitized on the 1998 to 2010 orthophotos in GIS. Many of them were age bracketed using air photos back to the 1929 Navy Trimegon photos. It includes both field and photo interpreted landslides. This point layer represents initiation points for debris avalanches, debris torrents, combination-debris avalanches/torrents, slumps, rock fall initiated failures, and rotational failures. There is an accompanying polygon feature class (Tongass_Landslide_Areas), which represents all mass wasting features, including talus slopes, snow avalanche fields, and snow avalanche chutes. Metadata

AvalancheLandslidesMass WastingOpen DataTongass National Forest
Additional Information
KeyValue
Dcat Issued2019-09-16
Dcat Modified2022-08-29
Dcat Publisher NameU.S. Forest Service
Guidhttps://www.arcgis.com/home/item.html?id=a91760a48d4949b1acb6400c2f872b94&sublayer=0
Harvest Object Id0705dfa0-956b-4eb2-9dc6-53530901b95e
Harvest Source Id2c0b1e04-ba48-4488-9de5-0dab41f9913f
Harvest Source TitleUSDA Open Data Catalog
Share this Dataset
Trust Signals
Trust Framework(s)None
Assuranceunknown
Data Sensitivity Classunknown
Licenceunknown
Files