Rift valley geomorphic feature layer

The rift valley geomorphic feature layer represents the spatial extent of the rift valleys 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). 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.

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_rift_valleys
GN_Metadata_Source http://geonetwork.d4science.org/geonetwork/srv/en/xml.metadata.get?uuid=geo_fea_rift_valleys
GN_URL http://geonetwork.d4science.org/geonetwork
Additional Info
Field Value
access_constraints ["no limitations"]
bbox-east-long 177.685141
bbox-north-lat 87.067827
bbox-south-lat -67.844881
bbox-west-long -178.939175
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_rift_valleys
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": [[[-178.939175, -67.844881], [177.685141, -67.844881], [177.685141, 87.067827], [-178.939175, 87.067827], [-178.939175, -67.844881]]]}
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 27 September 2019, 03:26 (CEST)
Created 27 September 2019, 03:26 (CEST)