Parent Layer: Landslide Hazards

Name: Shallow Landslide Susceptibility, Multnomah County (DOGAMI)

Display Field: Value

Type: Raster Layer

Geometry Type: null

Description: This layer is a shallow landslide susceptibility map. The symbology on this map includes high, moderate, and low susceptibility zones. The susceptibility zones were established from locations of shallow landslide deposits and their associated head scarps, factor of safety calculations, and buffers following protocol developed by Burns and other (2012). A landslide inventory database was prepared by following the Protocol for Inventory Mapping of Landslide Deposits from Light Detection and Ranging (lidar) Imagery developed by Burns and Madin (2009). Using the lidar-based landslide inventory and several other data sets, a shallow landslide (failure depth less than 15 ft [4.5 m]) susceptibility map was created following protocol developed by Burns and others (2012). The final shallow-landslide susceptibility zones were established from locations of shallow-landslide deposits and their associated head scarps, factor of safety calculations, and buffers. This map cannot serve as a substitute for site-specific investigations by qualified practitioners. Site-specific data may give results that differ from those shown on this map. The recommended map scale for this data is 1:8,000 as displayed on this map.

Copyright Text: DOGAMI

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YMin: 5689013.536214631
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YMax: 5738454.229814631
Spatial Reference: 102100  (3857)

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Supported Operations:   Query   Query Attachments   Query Analytic   Generate Renderer   Return Updates

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