5 years ago

Survey of Biomass Resource Assessments and Assessment ... - NREL

Survey of Biomass Resource Assessments and Assessment ... - NREL

piles were too

piles were too contaminated, or moisture contents were considered too high for energy use. With annual residue production almost completely committed, companies are looking at these piles with renewed interest. Some are experimenting with methods to remove contaminants, or mixing wet with drier residues to produce a fuel with low average moisture content. Different companies assess the usable portion of bark piles between 50-100%. The study estimated the dry biomass available from bark piles in Canada at 15.9 Mt in 2005. Leading provinces are Ontario (6.7 Mt), Quebec (5.6 Mt), and Saskatchewan (2.9 Mt) (Climate Change Solutions 2006). Summing together sustainably recoverable crop residues of 17.79 Mt (Table 6), slash forest residues of 16.4 Mt (Table 7) and mill residues of 21.2 Mt (Table 8), overall farm and forest residues could sum to as much as 55 Mt per annum. Adding in hog pile residues of 15.9 Mt, it would bring overall second generation feedstock in Canada (crop, forest, primary mill residues and hog fuel piles) to about 71 Mt per year yielding 21.3 hm 3 of ethanol or 10 Mt gasoline equivalent. This volume would replace 35% of current gasoline consumption and 23% of crude oil imports. Local Biofuels Resource Assessments Agriculture and Agri-Food Canada (AAFC) developed a Web-based biomass inventory tool, called Biomass Inventory Mapping and Analysis Tool (BIMAT). The tool uses GIS to illustrate the quantity and geographic distribution of agricultural and wood residues (logging, mill, and urban) at a fine spatial resolution, as illustrated in Figure 9. Source: Stumborg, M., Agriculture and Agri-Food Canada, 2008; Figure 9. Softwood Mill Residues in Canada 31

Biomass Resource Assessment Capabilities Canada has extensive biomass resource assessment capabilities. These include geospatial technologies, modeling, surveying, and statistical information available through various agencies. Geospatial technologies, as illustrated above, have been used by the AAFC to develop the biomass inventory tool (BIMAT). These technologies are also used by the Canadian Forest Service (CFS), in partnership with the Canadian Space Agency, to create products for forest inventory, forest carbon accounting, monitoring sustainable development, and landscape management. It launched a project titled Earth Observation for Sustainable Development of Forests (EOSD) to aid in developing techniques for these products. Initially, the initiative will work in partnership with the provinces, territories, universities, and industry to develop an economy-wide map of the forested land cover of Canada with the long-term goal of producing not only land cover maps, but maps of forest composition, change over time, and biomass. Overview of methods for mapping biomass resources employed by EOSD is available at Inputs from EOSD will be an important data source in the National Forest Carbon Accounting Framework and will also be used to enhance Canada's new National Forest Inventory. EOSD data and products are available at no charge to the public and accessible through the National Forest Information System (NFIS) and SAFORAH (System of Agents for Forest Observation Research with Automation Hierarchies). The NFIS provides various geospatial products (tools and maps) that illustrate Canada’s forests, vegetation, protected areas, imagery, etc. at an economy-wide and provincial/territory level ( Integrated Techniques and Data Availability. CFS, which is responsible for disseminating forestry statistics, compiles Canada's forest inventory by collecting data from provincial, territorial and other forest management inventories. Provinces and territories apply a set of methods in collecting forest data: field surveys, aerial photography, GIS, and other modeling techniques as illustrated in Figure 10. The data provided by the provincial and territorial management agencies are converted to an economy-wide classification scheme, and then aggregated to the map sheet, provincial and economy-wide levels for storage, analysis and reporting. Economy-wide inventories are compiled about every five years, currently in 1981, 1986, 1991, and 2001. 32

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