Freshwater Atlas Named Watersheds
1037 views (13 recent)Published by the Ministry of Forests, Lands, Natural Resource Operations and Rural Development - GeoBC
Licensed under Open Government Licence - British Columbia
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The Freshwater Atlas (FWA) is a standardized dataset for mapping the...
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A guide on how to use the information contained in the various layers...
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This spatially-based information is typically used in allocation decisions, boundary definitions, planning processes and environmental monitoring, by internal and external stakeholders.
Automated, mathematical and statistical algorithms were applied against the TRIM I stream network and the TRIM I elevation surface model.
|Name||GeoBC Inquiries (pointOfContact)|
|Organization||Ministry of Forests, Lands, Natural Resource Operations and Rural Development|
Access & Security
|Who can view this dataset?||Public|
|Who can download this dataset?||Public|
|Record Last Modified||2021-05-01|
Object Name: WHSE_BASEMAPPING.FWA_NAMED_WATERSHEDS_POLY
Short Name: FWNMDWTRSH
Comments: Contains all watersheds of named rivers and the associated name details. There are approximately 12 000 named watersheds in BC. This contains multipart geometries. Spatial gemetry: multipart polygon
|Column Name||Short Name||Data Type||Data Precision||Comments|
|NAMED_WATERSHED_ID||NMDWTRSHDD||NUMBER||18||A unique identifier for each watershed in the layer.|
|GNIS_ID||GNIS_ID||NUMBER||10||The BCGNIS (BC Geographical Names Information System) feature id associated with the watershed.|
|GNIS_NAME||GNIS_NAME||VARCHAR2||80||The BCGNIS (BC Geographical Names Information System) name associated with the GNIS feature id (an English name was used where available, otherwise another language was selected).|
|BLUE_LINE_KEY||BLLNK||NUMBER||10||The blue line key associated with the named stream.|
|WATERSHED_KEY||WTRSHDK||NUMBER||10||The watershed key associated with the named stream.|
|FWA_WATERSHED_CODE||FWWTRSHDCD||VARCHAR2||143||The watershed code associated with the named stream.|
|STREAM_ORDER||STRMRDR||NUMBER||10||The maximum order associated with the watershed key of the named stream.|
|STREAM_MAGNITUDE||STRMMGNTD||NUMBER||10||The maximum magnitude associated with the watershed key of the named stream.|
|AREA_HA||AREA_HA||NUMBER||38||Area of the watershed, in hectares.|
|FEATURE_CODE||FTRCD||VARCHAR2||10||FEATURE CODE contains a value based on the Canadian Council of Surveys and Mapping's (CCSM) system for classification of geographic features.|
|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||AREA_SQM||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|