Description

Terrain Stability Mapping (TSM) Detailed Polygons (STE_TER_STABILITY_POLYS_SVW) contains TSM polygons with key and amalgamated (concatenated) attributes derived from the Resource Inventory Standards Committee (RISC) standard attributes. This layer is derived from the [STE_TEI_ATTRIBUTE_POLYS_SP](https://catalogue.data.gov.bc.ca/dataset/f2cd2cc3-5f58-481c-bf3c-64934acb6fad) layer by filtering on the PROJECT_TYPE attribute. Project types include: TEMSET, TEMTSM, TSM, TSMREC, TSMDET, TBW, and TBS. TSM uses air photo interpretation and select field checking to divides the landscape into units using the Terrain Classification System for British Columbia and stability criteria. Polygon attributes include (but are not limited to) surficial material, surface expression, geomorphological processes, drainage class, slope range and stability class. TSM methods include manual air photo interpretation and setting stability criteria supported by selective field checking. TSM Detailed Polygon layer should be used in conjunction with [TER Project Boundaries](https://catalogue.data.gov.bc.ca/dataset/ad2f6d1e-cb53-4308-9263-e8deb731b996) which contain boundaries (study areas) and attributes describing each project (project level metadata), plus links to the locations of other data associated with the project (e.g., reports, polygon datasets, plotfiles, legends). TSM inventory polygons with full RISC attributes can be accessed through the [Terrestrial Ecosystem Information (TEI) Data Distribution Packages](https://catalogue.data.gov.bc.ca/dataset/8fd15e4e-e7b1-4566-81d1-1ff8947bfd46). **Current version**: v12 (2026-06-22)

Resources

Name	Format	Description	Link
TEI Domains	XLS		https://catalogue.data.gov.bc.ca/dataset/d800cbc8-0de6-4d57-a3f9-88bcfbdc0769/resource/4750d1cc-c602-4561-906e-7355e51d138f/download/tei_domains_v9.xlsx
TEI Data Dictionary	XLS		https://catalogue.data.gov.bc.ca/dataset/d800cbc8-0de6-4d57-a3f9-88bcfbdc0769/resource/bffffdfd-706a-4aed-80eb-44292bba96c5/download/tei_data_dictionary_v9.xlsx
Original metadata (https://catalogue.data.gov.bc.ca)	HTML		https://catalogue.data.gov.bc.ca/dataset/terrain-stability-mapping-tsm-detailed-polygons-with-short-attribute-table-spatial-view
BC Geographic Warehouse Custom Download	HTML		https://catalogue.data.gov.bc.ca/dataset/terrain-stability-mapping-tsm-detailed-polygons-with-short-attribute-table-spatial-view/resource/f511ff15-b884-478c-8615-cdfa29aa784e
STE_TER_STABILITY_POLYS_SVW	WMS		https://openmaps.gov.bc.ca/geo/pub/WHSE_TERRESTRIAL_ECOLOGY.STE_TER_STABILITY_POLYS_SVW/ows?service=WMS&request=GetCapabilities&layers=pub:WHSE_TERRESTRIAL_ECOLOGY.STE_TER_STABILITY_POLYS_SVW&legend_format=image/png&feature_info_type=text/plain
STE_TER_STABILITY_POLYS_SVW	WMS		https://openmaps.gov.bc.ca/geo/pub/WHSE_TERRESTRIAL_ECOLOGY.STE_TER_STABILITY_POLYS_SVW/ows?service=WMS&request=GetCapabilities&layers=pub:WHSE_TERRESTRIAL_ECOLOGY.STE_TER_STABILITY_POLYS_SVW&legend_format=image/png&feature_info_type=text/plain
STE_TER_STABILITY_POLYS_SVW	KML		https://openmaps.gov.bc.ca/kml/geo/layers/WHSE_TERRESTRIAL_ECOLOGY.STE_TER_STABILITY_POLYS_SVW_loader.kml

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