Rise geomorphic feature layer

The rise geomorphic feature layer represents the spatial extent of the rises 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). The continental rise was digitised by hand at a nominal spatial scale of 1:3,000,000 in ArcGIS based on 100 m contours. A map of global ocean sediment thickness (Divins, 2003) was used to assist with identifying potential rise areas. In general the rise was confined to areas of sediment thickness >300 m. Criteria for identification of continental rises included the occurrence of a smooth sloping seabed as indicated by evenly-spaced, slope-parallel contours (Curray et al., 2002; Dowdeswell et al., 2008; Covault et al., 2011). In this study, the term ???Rise??? was restricted to features that abut continental margins and does not include the mid-ocean ridge (or ???rise???), which was mapped as a separate feature. The GEBCO Gazetteer of geographic names of undersea features (IHO-IOC, 2012) was used to ensure all named features were included.

Dataset extent

Map data © OpenStreetMap contributors
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Data and Resources
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Geonetwork Links
Field Value
GN_Metadata_Show http://geonetwork.d4science.org/geonetwork/srv/en/metadata.show?uuid=geo_fea_rises
GN_Metadata_Source http://geonetwork.d4science.org/geonetwork/srv/en/xml.metadata.get?uuid=geo_fea_rises
GN_URL http://geonetwork.d4science.org/geonetwork
Additional Info
Field Value
access_constraints ["no limitations"]
bbox-east-long 180.0
bbox-north-lat 84.537464
bbox-south-lat -76.421159
bbox-west-long -180.0
contact-email Miles.Macmillan-Lawler@grida.no
coupled-resource
[]
dataset-reference-date
[{"type": "creation", "value": "2013-06-05"}, {"type": "publication", "value": "2014-02-14"}]
frequency-of-update irregular
GUID geo_fea_rises
licence ["The global seafloor geomorphic feature map is available for download from bluehabitats.org"]
metadata-date 2014-02-05
metadata-language eng
point_of_contact Miles Macmillan-Lawler, Miles.Macmillan-Lawler@grida.no
resource-type dataset
responsible-party
[{"name": "GRID-Arendal", "roles": ["custodian"]}]
spatial
{"type": "Polygon", "coordinates": [[[-180.0, -76.421159], [180.0, -76.421159], [180.0, 84.537464], [-180.0, 84.537464], [-180.0, -76.421159]]]}
spatial-reference-system http://www.opengis.net/def/crs/EPSG/0/4326
spatial_harvester true
system:type Dataset
topic_category oceans
Management Info
Field Value
Author GRID-Arendal
Maintainer bluebridge_catalogue_one
Last Updated 26 September 2019, 20:39 (CEST)
Created 26 September 2019, 20:39 (CEST)