View In:   ArcGIS Online Map Viewer

Name: Rift_valleys

Display Field: geomorphic

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: <DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>The </SPAN><SPAN>rift valley </SPAN><SPAN>geomorphic feature layer represents the spatial extent of the </SPAN><SPAN>rift valley</SPAN><SPAN>s of the worlds oceans based on interpretation of the SRTM30 plus v7 global bathymetry model. The layer is one of the 25 layers that make up the global seafloor geomorphic features map (Harris et.al. 2014). </SPAN><SPAN><SPAN>Rift valleys were mapped as separate features in the present study where they are clearly evident in SRTM30_PLUS bathymetric data. Rift valleys are confined to the central axis of mid-ocean spreading ridges; they are elongate, local depressions flanked generally on both sides by ridges (Macdonald, 2001). They were mapped by hand based on 100 m contours. </SPAN></SPAN></P></DIV></DIV></DIV>

Copyright Text: The global seafloor geomorphic features map has been produced through a collaboration between Geoscience Australia, GRID-Arendal and Conservation International. Reference: Harris et. al. (2014) Geomorphology of the oceans.Marine Geology (in Press)

Default Visibility: true

MaxRecordCount: 1000

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Supported Query Formats: JSON, geoJSON, PBF

Min Scale: 0.0

Max Scale: 0.0

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:

XMin: -1.99194178514E7
YMin: -1.0401055130199999E7
XMax: 1.9779819447400004E7
YMax: 2.3378500578100003E7
Spatial Reference: 102100  (3857)

Drawing Info:

Renderer:
Simple Renderer:
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Labeling Info:

Feature Draw Order:

N/A

Advanced Query Capabilities:

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Supports Pagination: true
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Supports Returning Query Extent: true
Supports Query With Distance: true
Supports Sql Expression: true
Supports Query With ResultType: true
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Supports Percentile Statistics: true
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Supports Query Analytic: true
Supports Query With Current User: true

HasZ: false

HasM: false

Has Attachments: false

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Type ID Field:

Fields:

• objectid ( modelName: objectid, nullable: false, editable: false, defaultValue: N/A, alias: objectid, type: esriFieldTypeOID )
• geomorphic ( modelName: geomorphic, nullable: true, editable: true, defaultValue: N/A, length: 20, alias: Geomorphic, type: esriFieldTypeString )
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Templates:

• Name: Rift_valleys
  Description:
  Prototype:
  area_km2: null
  geomorphic: null
  
  Drawing Tool: esriFeatureEditToolPolygon

Capabilities: Query

Sync Can Return Changes: false

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Child Resources:

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