Seamount geomorphic feature layer

The seamount geomorphic feature layer represents the spatial extent of the seamounts 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). Seamounts are ???a discrete (or group of) large isolated elevation(s), greater than 1,000 m in relief above the sea floor, characteristically of conical form??? (IHO, 2008). Seamounts are thus defined as peaks that rise over 1,000 m above the seafloor, calculated based on the SRTM30_PLUS model. We adhered strictly to the requirement that seamounts are ???of conical form???, thus distinguishing ???seamounts??? (having a length/with ratio th ratio ???2). The criterion of a length/with ratio .

Dataset extent

Map data © OpenStreetMap contributors
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Geonetwork Links
Field Value
GN_Metadata_Show http://geonetwork.d4science.org/geonetwork/srv/en/metadata.show?uuid=geo_fea_seamounts
GN_Metadata_Source http://geonetwork.d4science.org/geonetwork/srv/en/xml.metadata.get?uuid=geo_fea_seamounts
GN_URL http://geonetwork.d4science.org/geonetwork
Additional Info
Field Value
access_constraints ["no limitations"]
bbox-east-long 180.0
bbox-north-lat 77.084697
bbox-south-lat -75.23333
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_seamounts
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, -75.23333], [180.0, -75.23333], [180.0, 77.084697], [-180.0, 77.084697], [-180.0, -75.23333]]]}
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 iMarine Catalogue Manager
Last Updated 5 April 2018, 19:27 (CEST)
Created 5 April 2018, 19:27 (CEST)