{"id":81945,"date":"2022-11-14T11:21:27","date_gmt":"2022-11-14T16:21:27","guid":{"rendered":"https:\/\/mrnf.gouv.qc.ca\/nos-publications\/multisensor-multiresolution-method-mapping-vegetation-status-surficial-deposits-historical-fires-large-areas-northern-boreal-forests-quebec-canada\/"},"modified":"2022-11-14T11:21:27","modified_gmt":"2022-11-14T16:21:27","slug":"multisensor-multiresolution-method-mapping-vegetation-status-surficial-deposits-historical-fires-large-areas-northern-boreal-forests-quebec-canada","status":"publish","type":"cpt_publication","link":"https:\/\/mrnf.gouv.qc.ca\/en\/our-publications\/multisensor-multiresolution-method-mapping-vegetation-status-surficial-deposits-historical-fires-large-areas-northern-boreal-forests-quebec-canada\/","title":{"rendered":"A Multisensor Multiresolution Method for Mapping Vegetation Status, Surficial Deposits, and Historical Fires Over Very Large Areas in Northern Boreal Forests of Quebec, Canada"},"content":{"rendered":"\n<p>Published in <strong>IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, vol. 8(11), 5199-5211.<\/strong><\/p>\n<p>Boreal forests have a significant impact on the Earth&#8217;s climate and on global warming. In this context, a large-scale mapping method was developed to characterize forest attributes, surficial deposits and forest disturbance history in the absence of support datasets. The method, which was based on remote sensing data, image processing techniques and image interpretation, was applied over a very large area (680 000 km<sup>2<\/sup>) of Qu\u00e9bec (Canada) that was dominated by black spruce (<em>Picea mariana<\/em> [Miller] BSP). The method involved five steps: 1) mapping the vegetation based on unsupervised classification, imputation and segmentation methods; 2) mapping the history of fires that occurred over the mapping area based on archive Landsat images; 3) determining the dominant species characterizing forest stands; 4) mapping surficial deposits; and 5) assessing accuracy of map attributes based on video datasets. Kappa values ranged from 72.5% to 96.3%. The results demonstrated that our method is a convenient and inexpensive way of mapping forest ecosystems over large areas of the northern boreal forest.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Published in IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, vol. 8(11), 5199-5211. Boreal forests have a significant impact on the Earth&#8217;s climate and on global warming. In this context, a large-scale mapping method was developed to characterize forest attributes, surficial deposits and forest disturbance history in the absence of support [&hellip;]<\/p>\n","protected":false},"template":"","format":"standard","cptt_secteur":[1179],"cptt_theme":[874,1190],"cptt_categ_publi":[1149],"cptt_auteurs_ministeriels":[1096],"class_list":["post-81945","cpt_publication","type-cpt_publication","status-publish","format-standard","hentry","cptt_secteur-forests","cptt_theme-cartography","cptt_theme-imaging-and-lidar","cptt_categ_publi-scientific-article","cptt_auteurs_ministeriels-a-leboeuf"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>A Multisensor Multiresolution Method for Mapping Vegetation Status, Surficial Deposits, and Historical Fires Over Very Large Areas in Northern Boreal Forests of Quebec, Canada - Minist\u00e8re des Ressources naturelles et des For\u00eats<\/title>\n<meta name=\"description\" content=\"A large-scale mapping method was developed to characterize forest attributes, surficial deposits and forest disturbance history in the absence of support datasets.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mrnf.gouv.qc.ca\/en\/our-publications\/multisensor-multiresolution-method-mapping-vegetation-status-surficial-deposits-historical-fires-large-areas-northern-boreal-forests-quebec-canada\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A Multisensor Multiresolution Method for Mapping Vegetation Status, Surficial Deposits, and Historical Fires Over Very Large Areas in Northern Boreal Forests of Quebec, Canada - 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