2018 Harvest Area Remote Sensing-Based Spectral Regeneration - Metadata Document

Description This dataset is provided in the form of a vector layer containing harvest area polygons from the ABMI’s HFI 2018 (version 1.0), the original attributes the accompany the latter dataset, and an additional series of attributes containing metrics and other information related to remote sensing- based spectral regeneration. [...] The ABMI further states that the ABMI Sourced Data is subject to change, and the ABMI gives no guarantee that the content is complete, accurate, error or virus free, or up to date. [...] preNBR_s -1000.0 to 1000.0 Pre-harvest spectral SVI value (standard deviation (sd)**) hrvYr_m 1989.0 to 2013.0 Year in which the harvest event is detected (mean) hrvYr_s 0 to 3.0 Year in which the harvest event is detected (sd) lnDstb_m 1.0 to 24.0 Length of time (years) between the detected harvest event and the beginning of regeneration (mean) lnDstb_sd 0 to 10.0 Length of time (years) between t. [...] Regeneration-specific metrics are generally given as percent spectral regeneration, which refers to the percent of the total drop in SVI values (occurring with the detected harvest event) that has been regained – i.e., the percent of the spectral signature that has returned. [...] We removed harvest areas that were overlapped by wildfires in the Government of Alberta’s most recent Wildfire Perimeter database (available at: ), which had occurred within the 20 years prior to the detected harvest date or anytime after the harvest date, and which occupied more than 10% of the harvest area feature’s.