Biomass Resource Mapping and Potential Evaluation in Hokkaido

  • FUKUDA Y
  • FUJII M
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Abstract

To promote the utilization of biomass energy, it is important to evaluate the potential resource and its distribution and accessibility appropriately. In this study, the available amount of various kinds of biomass resources was estimated based on several statistical data. These data are aggregated into the geodatabase with a uniformed and fine spatial resolution of 1km mesh by estimating its spatial distribution using geographic information system (GIS). Furthermore, the accessibility analysis was performed by the GIS-based network analysis based on the real road network in each region. As a result, the relationship between the accessible time and the resource potential was figured out in each region by this method. Moreover, the transportation costs of each resource were estimated by applying a cost condition. For instance, in Furano City, thinning woods have the highest potential in the entire region. However, crop residues have higher potential in the region accessible from the municipal office as a demand site within 20 minutes. Also, crop residues are considered more reasonable than the others throughout the region in terms of transportation costs. バイオマスエネルギーの活用推進にあたっては,資源ポテンシャルおよび資源の分布とそのアクセス性を適切に把握することが重 要である。本研究では,統計資料を元に種々のバイオマス資源の利用可能量を把握し,地理情報システム (GIS)を用いてそれらの 空間的分布を推計し,約 1 km メ ッシュの一様かつ高解像度の空間データベースとした。さらに,GIS を用いて道路網データにもと づく ネッ トワーク解析を地域毎に行った。これによって,地域毎の資源へのアクセス時間と資源ポテンシャルとの関係性が把握された。 さらに,一定の条件を適用し,各種資源の輸送コス トを推定した。一例として,富良野市における解析結果では,地域内の資源総 量では間伐材等が大きなポテンシャルを有するものの,市役所位置を需要地点と した場合の検討では,アクセス時間 20 分以内の領 域では穀物系農業廃棄物が優位性を持っており,また輸送コス トの観点からは,穀物系農業廃棄物が全体を通して優位であった。

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APA

FUKUDA, Y., & FUJII, M. (2015). Biomass Resource Mapping and Potential Evaluation in Hokkaido. Journal of the Japan Institute of Energy, 94(9), 1057–1065. https://doi.org/10.3775/jie.94.1057

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