View In:
ArcGIS Online Map Viewer
Name: warsaw_grouper_spawn_adults
Display Field: fid_eco1_3
Type: Feature Layer
Geometry Type: esriGeometryPolygon
Description: <DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>The </SPAN><SPAN>slope </SPAN><SPAN>geomorphic feature layer represents the spatial extent of the </SPAN><SPAN>slope </SPAN><SPAN>areas 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>The slope is “the deepening sea floor out from the shelf edge to the upper limit of the continental rise, or the point where there is a general decrease in steepness”</SPAN></SPAN><SPAN><SPAN> (IHO, 2008). In this study, the foot of slope was digitised manually at a nominal spatial scale of 1:500,000 in ArcGIS based on 100 m contours and 3D viewing. ArcGIS was used to highlight zones of abrupt changes in seabed gradient (contour spacing) which suggests the foot of slope in many areas. In areas where marginal plateaus abut the margin, the foot of slope was allowed to extend offshore to encompass the plateau feature, where a clear seaward dipping gradient was apparent. Otherwise the first significant decrease in gradient encountered in a seaward direction from the shelf break was selected as the foot of slope. Note our foot of slope locations are based only on bathymetric data and our interpretation is not intended to define the foot of slope under Article 76 of the 1982 United Nations Convention on the Law of the Sea, particularly in areas of geomorphologically complex, continent-ocean transition.</SPAN></SPAN></P></DIV></DIV></DIV>
Service Item Id: 8a853899ff474775b20be3f130f9de84
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: 2000
Supported Query Formats: JSON, geoJSON, PBF
Min Scale: 0
Max Scale: 0
Supports Advanced Queries: true
Supports Statistics: true
Use Standardized Queries: true
Supports ValidateSQL: true
Supports Calculate: true
Extent:
XMin: -95.00050730466837
YMin: 23.827077476344527
XMax: -80.6997372698591
YMax: 29.70000000009996
Spatial Reference: 4326
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Renderer:
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Supports Query With LOD Spatial Reference: true
HasZ: false
HasM: false
Has Attachments: false
HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText
Type ID Field:
Fields:
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fid0
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fid_eco1_3
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geomorphic
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Templates:
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Name: warsaw_grouper_spawn_adults
Description:
Prototype:
fid_off_ha: null
fid_gulfwi: null
fid_near_o: null
fid_eco1_3: null
area_km2: null
id: null
geomorphic: null
id_1: null
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Metadata