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Layer: Geohazards (ID: 1)

View In:   ArcGIS Online Map Viewer

Name: Geohazards

Display Field: AREA

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: <DIV STYLE="text-align:Left;"><DIV><DIV><P STYLE="margin:4 0 8 0;"><SPAN><SPAN>This layer depicts areas designated as Landslide Hazard and Erosion Hazard (see Chapter 4 of Critical Areas Code). It is advisory and subject to verification in the field. </SPAN></SPAN></P><P STYLE="margin:4 0 8 0;"><SPAN><SPAN>The Critical Areas Ordinance defines Landslide hazard both as landforms (bluffs and ravines), and applying slope and soil criteria. The original data set was created from 1:24,000 USGS topography (40’-50’ contours), Clallam County Soil Survey, and Coastal Zone Atlas by county staff in 1996. Partial Landslide re-mapping in areas of LiDAR coverage was done (December 2010 through January 2011).</SPAN></SPAN></P><P STYLE="margin:4 0 8 0;"><SPAN><SPAN>The 2011 update more accurately reflects the landform-based landslide hazard in areas with LiDAR coverage. However, it inherits the original shapes for most slope/soil based hazard areas, and areas with no LiDAR coverage, pending more sophisticated slope analysis and policy decisions. </SPAN></SPAN></P><P STYLE="margin:4 0 8 0;"><SPAN><SPAN>The 2011 update was done by visual inspection of contours, hillshade, and a derived slope layer (65% and above), all from LiDAR, as well as aerial photos. The focus was on marine bluffs, as well as bluffs and ravines along major stream systems, particularly those included in the Shoreline Master Program update process.</SPAN></SPAN></P><P><SPAN /></P></DIV></DIV></DIV>

Service Item Id: 107bc24a8dc74d5f8d536d56f1d94b83

Copyright Text: Clallam County staff

Default Visibility: true

MaxRecordCount: 2000

Supported Query Formats: JSON, geoJSON, PBF

Min Scale: 0

Max Scale: 0

Supports Advanced Queries: true

Supports Statistics: true

Can Scale Symbols: false

Use Standardized Queries: true

Supports ValidateSQL: true

Supports Calculate: true

Supports Datum Transformation: true

Extent:
Drawing Info: Advanced Query Capabilities:
HasZ: false

HasM: false

Has Attachments: false

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Type ID Field: GEOHAZ

Fields: Types:
Capabilities: Query,Sync,ChangeTracking

Sync Can Return Changes: true

Is Data Versioned: false

Supports Rollback On Failure: true

Supports ApplyEdits With Global Ids: true

Edit Fields Info:
Supports Query With Historic Moment: true

Supports Coordinates Quantization: true

Child Resources:   Field Groups   Contingent Values

Supported Operations:   Query   Query Analytic   Validate SQL   Generate Renderer   Return Updates   Iteminfo   Thumbnail   Metadata   Update Metadata