Hydrology: Hydrometric Watershed Boundaries
1070 views (15 recent)Published by the Ministry of Environment and Climate Change Strategy - Knowledge Management
Licensed under Open Government Licence - British Columbia
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Spatial layer intended to display hydrometric station watershed boundaries.
|Name||Sam Albers (businessExpert)|
|Organization||Ministry of Environment and Climate Change Strategy|
Access & Security
|Who can view this dataset?||Public|
|Who can download this dataset?||Public|
|Record Last Modified||2019-05-04|
Object Name: WHSE_WATER_MANAGEMENT.HYDZ_HYD_WATERSHED_BND_POLY
Short Name: HYD_WB_PLY
Comments: HYD WATERSHED BND POLY SP represents the watershed boundaries, at a level compatible with peak flow and annual runoff data.
|Column Name||Short Name||Data Type||Data Precision||Comments|
|HYD_WATERSHED_BND_POLY_ID||HDWTRSHDBN||NUMBER||10||HYD WATERSHED BND POLY ID is the primary unique numeric identifier for a feature.|
|FEATURE_CODE||FTRCD||VARCHAR2||10||FEATURE CODE is a 10 character alpha-numeric code based on the Canadian Council on Surveying and Mapping (CCSM) coding convention.|
|SOURCE_NAME||SRCNM||VARCHAR2||40||SOURCE NAME is the source hydrometric station is located on.|
|PEAK_FLOW_10YR_IN_M3_PER_SEC||PKFLW10RNM||NUMBER||5||PEAK FLOW 10YR IN M3 PER SEC is the 10 year return period peak flow in cubic metres per second (m3/second).|
|ANNUAL_RUNOFF_IN_MM||NNLRNFFNMM||NUMBER||5||ANNUAL RUNOFF IN MM is the normal annual runoff in millimetres.|
|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||NUMBER||19||FEATURE_AREA_SQM is the system calculated area of a two-dimensional polygon in square meters|
|FEATURE_LENGTH_M||NUMBER||19||FEATURE_LENGTH_M is the system calculated length or perimeter of a geometry in meters|