(7.5M) Bathymetric - The Atlas of Canada Base Maps for BC
403 views (8 recent)Published by the Ministry of Forests, Lands, Natural Resource Operations and Rural Development - GeoBC
Licensed under Open Government Licence - Canada
Data and Resources
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This set of base maps was originally prepared in an analogue form for the production of the National Atlas 5th edition. They were used as base maps to overlay the thematic information used in the preparation of Atlas maps. The digital versions were derived from the original base maps in order to complete the 5th edition of the National Atlas. They are the official bases used by the Atlas of Canada for the production of all their maps.
|Organization||Government of Canada|
|Sub-Organization||Canadian Wildlife Service|
Access & Security
|Who can view this dataset?||Public|
|Who can download this dataset?||Public|
|Record Last Modified||2019-09-05|
Object Name: WHSE_BASEMAPPING.DBM_BC_7H_MIL_BATHYMETRC_POLY
Short Name: DBMBC7HMLB
Comments: This spatial layer represents values of equal elevation below mean sea level for contour lines for only the extent of British Columbia. This is not a multipart feature.
|Column Name||Short Name||Data Type||Data Precision||Comments|
|DEPTH_RANGE||DPTHRNG||NUMBER||6||Difference in elevation between adjacent contour lines of which values are 1 to 8. Check canada web site for details|
|GEOMETRY||GEOMETRY||SDO_GEOMETRY||1||GEOMETRY is the column used to reference the spatial coordinates defining the feature.|
|OBJECTID||OBJECTID||NUMBER||38||OBJECTID is a required attribute of feature classes and object classes in a geodatabase.|
|SE_ANNO_CAD_DATA||BLOB||4000||SE_ANNO_CAD_DATA is a binary column used by spatial tools to store annotation, curve features and CAD data when using the SDO_GEOMETRY storage data type.|
|FEATURE_AREA_SQM||FEAT_AREA||NUMBER||19||FEATURE_AREA_SQM is the system calculated area of a two-dimensional polygon in square meters|
|FEATURE_LENGTH_M||FEAT_LEN||NUMBER||19||FEATURE_LENGTH_M is the system calculated length or perimeter of a geometry in meters|