View In:   ArcGIS Online Map Viewer

Name: Canyons

Display Field: canyonname

Type: Feature Layer

Geometry Type: esriGeometryPolyline

Description: <span style="color:rgb(106, 106, 106); font-family:Montserrat, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; font-size:18px;">The aim of this study is to assess the global occurrence of large submarine canyons to provide context and guidance for discussions regarding canyon occurrence, distribution, geological and oceanographic significance and conservation. Based on an analysis of the ETOPO1 data set, this study has compiled the first inventory of 5849 separate large submarine canyons in the world ocean. Active continental margins contain 15% more canyons (2586, equal to 44.2% of all canyons) than passive margins (2244, equal to 38.4%) and the canyons are steeper, shorter, more dendritic and more closely spaced on active than on passive continental margins. This study confirms observations of earlier workers that a relationship exists between canyon slope and canyon spacing (increased canyon slope correlates with closer canyon spacing).</span>

Service Item Id: 4fbb2af154c74d2e8b1b24bd8bc69458

Copyright Text: Harris and Whiteway 2011. Global distribution of large submarine canyons: Geomorphic differences between active and passive continental margins. Marine Geology 285 (2011) 6986. doi:10.1016/j.margeo.2011.05.008

Default Visibility: true

MaxRecordCount: 2000

Supported Query Formats: JSON, geoJSON, PBF

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Supports Statistics: true

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Use Standardized Queries: true

Supports ValidateSQL: true

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Advanced Query Capabilities:

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HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Type ID Field:

Fields:

• objectid ( type: esriFieldTypeOID, alias: OBJECTID, nullable: false, defaultValue: null, modelName: objectid, editable: false )
• fid_canyons ( type: esriFieldTypeInteger, alias: FID_Canyons, editable: true, nullable: true, defaultValue: null, modelName: fid_canyons )
• class ( type: esriFieldTypeSmallInteger, alias: class, editable: true, nullable: true, defaultValue: null, modelName: class )
• status ( type: esriFieldTypeString, alias: status, editable: true, nullable: true, length: 5, defaultValue: null, modelName: status )
• canyonname ( type: esriFieldTypeString, alias: CanyonName, editable: true, nullable: true, length: 20, defaultValue: null, modelName: canyonname )
• x ( type: esriFieldTypeDouble, alias: X, editable: true, nullable: true, defaultValue: null, modelName: x )
• y ( type: esriFieldTypeDouble, alias: Y, editable: true, nullable: true, defaultValue: null, modelName: y )
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• low_height ( type: esriFieldTypeInteger, alias: low_height, editable: true, nullable: true, defaultValue: null, modelName: low_height )
• length_km ( type: esriFieldTypeDouble, alias: Length_km, editable: true, nullable: true, defaultValue: null, modelName: length_km )
• height_dif ( type: esriFieldTypeDouble, alias: height_dif, editable: true, nullable: true, defaultValue: null, modelName: height_dif )
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• group_ ( type: esriFieldTypeString, alias: Group, editable: true, nullable: true, length: 50, defaultValue: null, modelName: group_ )
• slope_max ( type: esriFieldTypeDouble, alias: slope_max, editable: true, nullable: true, defaultValue: null, modelName: slope_max )
• slope_min ( type: esriFieldTypeDouble, alias: Slope_min, editable: true, nullable: true, defaultValue: null, modelName: slope_min )
• slope_lwm ( type: esriFieldTypeDouble, alias: slope_LWM, editable: true, nullable: true, defaultValue: null, modelName: slope_lwm )
• margintype ( type: esriFieldTypeString, alias: MarginType, editable: true, nullable: true, length: 20, defaultValue: null, modelName: margintype )
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• dend2_lwm ( type: esriFieldTypeDouble, alias: dend2_LWM, editable: true, nullable: true, defaultValue: null, modelName: dend2_lwm )
• dend2_min ( type: esriFieldTypeInteger, alias: dend2_min, editable: true, nullable: true, defaultValue: null, modelName: dend2_min )
• dend2_max ( type: esriFieldTypeInteger, alias: dend2_max, editable: true, nullable: true, defaultValue: null, modelName: dend2_max )
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• dist_bet_p ( type: esriFieldTypeDouble, alias: Dist_bet_p, editable: true, nullable: true, defaultValue: null, modelName: dist_bet_p )
• can_per_km ( type: esriFieldTypeDouble, alias: can_per_km, editable: true, nullable: true, defaultValue: null, modelName: can_per_km )
• dendperkm2 ( type: esriFieldTypeDouble, alias: DENDperkm2, editable: true, nullable: true, defaultValue: null, modelName: dendperkm2 )
• dendper_ht ( type: esriFieldTypeDouble, alias: DENDper_ht, editable: true, nullable: true, defaultValue: null, modelName: dendper_ht )
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• Name: Canyons
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  margintype: null
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  linesegs: null
  sinuosity: null
  dens_lwm: null
  dens_min: null
  dens_max: null
  dist_bet_p: null
  can_per_km: null
  dendperkm2: null
  dendper_ht: null
  
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Supported Operations:   Query   Query Attachments   Calculate   Validate SQL   Generate Renderer   Return Updates   Metadata