ABoVE: Synthesis of Burned and Unburned Forest Site Data, AK and Canada, 1983-2016

This dataset is a synthesis of field plot characterization data, derived above-ground and below-ground combusted carbon, and acquired Fire Weather Index (FWI) System components for burned boreal forest sites across Alaska, USA, the Northwest Territories, and Saskatchewan, Canada from 1983-2016. Unburned plot data are also included. Compiled plot-level characterization data include stand age, disturbance history, tree density, and tree biophysical measurements for calculation of the above-ground (ag) and below-ground (bg) biomass/carbon pools, pre-fire and residual post-fire soil organic layer (SOL) depths and estimates of combustion of tree structural classes. The measured slope and aspect for each site and an assigned moisture class based on topography are also provided. Data from 1019 burned and 152 unburned sites are included. From the estimates of combusted ag and bg carbon pools and SOL losses, the total carbon combusted, the proportion of pre-fire carbon combusted, and the proportion of total carbon combusted were calculated for each plot. FWI System components including moisture and drought codes and indices of fire danger were obtained for each plot from existing data sources based on the plot location, year of burn, and a dynamic start-up date (day of burn, DOB) from the global fire weather database. Data for soil characteristics are included in a separate file.

本数据集融合了阿拉斯加、加拿大西北地区及萨斯喀彻温省等地燃烧针叶林地块的地面及地下燃烧碳含量、地表特征数据，以及1983至2016年间采集的火灾天气指数（FWI）系统组件。此外，还包括未燃烧地块的数据。所编纂的地块级特征数据涵盖了林分年龄、干扰历史、树木密度及树木生物物理测量值，以计算地上（ag）及地下（bg）生物量/碳库、火灾前后及火灾后残留的土壤有机层（SOL）深度以及树木结构类别的燃烧估计。每个地块的测量坡度和方位，以及基于地形划分的湿度类别亦一并提供。数据涵盖了1019个燃烧地块及152个未燃烧地块。通过对地上及地下燃烧碳库和SOL损失量的估计，计算了每个地块的总燃烧碳量、火灾前碳燃烧比例以及总碳燃烧比例。根据地块位置、燃烧年份及全球火灾天气数据库中的动态启动日期（燃烧日，DOB），从现有数据源中获取了每个地块的FWI系统组件，包括湿度代码和干旱代码以及火灾危险指数。土壤特性数据包含在单独的文件中。