Freshwater Atlas 20K-50K Stream Cross Reference Table
502 views (6 recent)Published by the Ministry of Forests, Lands, Natural Resource Operations and Rural Development - GeoBC
Licensed under Open Government Licence - British Columbia
Data and Resources
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Fresh Water Atlas Information Pagehtml
The Freshwater Atlas (FWA) is a standardized dataset for mapping the...
Fresh Water Atlas Users Guidepdf
A guide on how to use the information contained in the various layers...
|Latitude:||48.0° to 60.0°|
|Longitude:||-139.5° to -113.5°|
This attribute table can be used as a look-up table to cross reference new Freshwater Atlas watershed codes and existing 1:50K Watershed Atlas watershed codes.
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||2019-05-02|
Object Name: WHSE_BASEMAPPING.FWA_STREAMS_20K_50K
Short Name: FWSTRMS20K
Comments: Contains all primary and secondary matches between 1:20K and 1:50K stream edges. This table is provided to allow users to join the 1:20K stream network edges in this dataset to the 1:50K stream network features in the BC Watershed Atlas.
|Column Name||Short Name||Data Type||Data Precision||Comments|
|STREAM_20K_50K_ID||STRM20K50K||NUMBER||18||Unique key used to identify a single mapping.|
|LINEAR_FEATURE_ID_20K||LNRFTRD20K||NUMBER||18||A unique numeric identifier used to link the arc to the database.|
|BLUE_LINE_KEY_20K||BLLNK20K||NUMBER||10||The blue line key associated with the 20k edge.|
|WATERSHED_KEY_20K||WTRSHDK20K||NUMBER||10||The watershed key associated with the 20k edge.|
|FWA_WATERSHED_CODE_20K||FWWTRSHDCD||VARCHAR2||143||The watershed code associated with the 20k edge.|
|WATERSHED_GROUP_CODE_20K||WTRSHDGRPC||VARCHAR2||4||The watershed group code associated with the 20k edge.|
|BLUE_LINE_KEY_50K||BLLNK50K||NUMBER||10||The best matched 50k blue line key.|
|WATERSHED_KEY_50K||WTRSHDK50K||NUMBER||10||The watershed key for the best matched 50k blue line key.|
|WATERSHED_CODE_50K||WTRSHDCD50||VARCHAR2||45||The 50k watershed code of the best matched 50k blue line key.|
|WATERSHED_GROUP_CODE_50K||WTRSHDGRP1||VARCHAR2||4||The watershed group code of the best matched 50k blue line key.|
|MATCH_TYPE||MATCH_TYPE||VARCHAR2||7||A string identifying the type of match. One of 'Primary', indicating the best match, or 'X-Ref', indicating cross reference or secondary match.|