Forest Inventory and Analysis Top Forest Biomass (Image Service)

The U.S. has been providing national-scale estimates of forest carbon stocks and stock change to meet United Nations Framework Convention on Climate Change reporting requirements for years. Through application of a nearest-neighbor imputation approach, mapped estimates of forest biomass density were developed for the contiguous United States using the annual forest inventory conducted by the USDA Forest Service Forest Inventory and Analysis (FIA) program, MODIS satellite imagery, and ancillary geospatial datasets. This data product would contain the following 7 raster maps: Aboveground Forest Biomass, Belowground Forest Biomass, Forest Tree Bole Biomass, Forest Sapling Biomass, Forest Stump Biomass, Forest Top Biomass, Woodland Specias Biomass. All layers have a 250 meter pixel resolution and values represent biomass pounds per acre. The paper on which these maps are based may be found here: https://dx.doi.org/10.2737/RDS-2013-0004 Access to full metadata and other information can be accessed here: https://dx.doi.org/10.2737/RDS-2013-0004

多年来，美国一直编制国家级森林碳储量及其变化的估算数据，以满足《联合国气候变化框架公约》（United Nations Framework Convention on Climate Change）的报告要求。本数据集通过应用最近邻插补法（nearest-neighbor imputation approach），依托美国农业部林务局森林清查与分析（Forest Inventory and Analysis, FIA）项目的年度森林清查数据、MODIS卫星影像及辅助地理空间数据集，生成了美国本土48州的森林生物量密度制图估算结果。该数据产品包含以下7幅栅格地图：地上森林生物量、地下森林生物量、林木树干生物量、幼树生物量、伐桩生物量、森林地上冠层生物量以及林地物种生物量。所有图层的像素分辨率均为250米，图层数值单位为磅/英亩。支撑该制图成果的相关学术论文可通过以下链接获取：https://dx.doi.org/10.2737/RDS-2013-0004。完整元数据及其他相关信息可通过以下链接获取：https://dx.doi.org/10.2737/RDS-2013-0004