Slope class (BDTQ)

Description

__The link: *Access the data directory* is available in the section*Dataset Description Sheets; Additional Information*__. **Slope classes** express the slope of the terrain in a relatively homogeneous area with a minimum area of 0.5 ha. They are generated from a numerical model that groups terrain slopes into six classes: + 0-3% zero + Low by 4-8% + 9-15% soft + Moderate by 16-30% + 31-40% strong + Steep by 41% or more These data cover almost all of Quebec south of the 52nd parallel. This map is presented in two groups: grouping at the provincial level and grouping at the scale of 1/250,000. Each grouping represents an assembly of sheets produced on a scale of 1/20,000. The datasets were originally produced in 2005 and then updated in 2006. In 2010, they were enhanced with slope information for the northernmost part. No updates have been made since then. __For more information, please refer to the document: [Products presenting the concept of slope] (https://diffusion.mffp.gouv.qc.ca/Diffusion/DonneeGratuite/Foret/DONNEES_FOR_ECO_SUD/Classes_pente/01-Documentation/Produits_presentant_la_notion_de_pente.pdf) __ __ ⚠️ Notes: __ The numerical terrain model is prepared from the level curves and altitude points that come from the topographic map at a scale of 1/20,000 and 1/50,000 from the Quebec Topographic Database (BDTQ). This geographic database was produced in 2010 and has never been updated. __ 🕰️ Former names:__ Numerical slope classes, Slope class **This third party metadata element was translated using an automated translation tool (Amazon Translate).**

Resources

Name Format Description Link
Data code dictionary XLS https://diffusion.mffp.gouv.qc.ca/Diffusion/DonneeGratuite/Foret/DONNEES_FOR_ECO_SUD/Classes_pente/01-Documentation/DICTIONNAIRE_CODES_PENTE.xls
READ ME PDF https://diffusion.mffp.gouv.qc.ca/Diffusion/DonneeGratuite/Foret/DONNEES_FOR_ECO_SUD/Classes_pente/01-Documentation/LISEZ-MOI_Classe_de_pente_BDTQ.pdf
Products presenting the concept of slope PDF https://diffusion.mffp.gouv.qc.ca/Diffusion/DonneeGratuite/Foret/DONNEES_FOR_ECO_SUD/Classes_pente/01-Documentation/Produits_presentant_la_notion_de_pente.pdf
Provincial slope class map Unknown https://diffusion.mffp.gouv.qc.ca/Diffusion/DonneeGratuite/Foret/DONNEES_FOR_ECO_SUD/Classes_pente/02-Donnees/PROV/PENTE_PROV_GDB.zip
Provincial slope class map Unknown https://diffusion.mffp.gouv.qc.ca/Diffusion/DonneeGratuite/Foret/DONNEES_FOR_ECO_SUD/Classes_pente/02-Donnees/PROV/PENTE_PROV_SQL.zip
🔗 Download links per sheet 1/250,000 CSV https://diffusion.mffp.gouv.qc.ca/Diffusion/DonneeGratuite/Foret/DONNEES_FOR_ECO_SUD/Classes_pente/03-Telechargement/URL_CP.csv
🔗 Download links per sheet 1/250,000 (👁️ Overview of sheets) GeoJSON https://diffusion.mffp.gouv.qc.ca/Diffusion/DonneeGratuite/Foret/DONNEES_FOR_ECO_SUD/Classes_pente/03-Telechargement/URL_CP.geojson
📍 Web mapping service Unknown https://geoegl.msp.gouv.qc.ca/ws/mffpecofor.fcgi?
Slope class availability map PDF https://mrnf.gouv.qc.ca/documents/forets/inventaire/index-dispo-pente.pdf
Procedures for using a web service PDF https://mrnf.gouv.qc.ca/documents/forets/inventaire/Procedure_service_Web.pdf
Data download guide PDF https://mrnf.gouv.qc.ca/documents/forets/inventaire/Telechargement_rapide.pdf
Original metadata (https://www.donneesquebec.ca) HTML https://www.donneesquebec.ca/recherche/fr/dataset/2df11367-cc4a-402b-bf40-baa0b677d1c1
🌲 Open forest HTML https://www.foretouverte.gouv.qc.ca/?context=_default&zoom=13&center=-71.54036,48.50786&invisiblelayers=*&visiblelayers=2039c62f-b1a4-a271-a146-021ea15c94c7,67b63d044c4203b4c7a616db5639a441,1da64ddfeaf23710b8a9ad95133fb5d8&wmsUrl=https://geoegl.msp.gouv.qc.ca/ws/mffpecofor.fcgi&layers=(pente_cpn:igoz17)

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