Faculty Profiles - TANIKAWA, Hiroki

Papers - TANIKAWA, Hiroki

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Evaluation of wildfire propagation susceptibility in grasslands using burned areas and multivariate logistic regression Reviewed

Xin Cao, Xihong Cui, Miao Yue, Jin Chen, Hiroki Tanikawa, Yu Ye

INTERNATIONAL JOURNAL OF REMOTE SENSING Vol. 34 ( 19 ) page： 6679 - 6700 2013.10

Language：English Publishing type：Research paper (scientific journal) Publisher：TAYLOR & FRANCIS LTD

This research simulated wildfire propagation susceptibility based on multivariate logistic regression. Moderate Resolution Imaging Spectrometer (MODIS)-derived fuel indicators and topographic factors were the independent variables, and burnt areas served as the dependent variable. MODIS data were collected daily during the wildfire seasons of April to May and September to October from 2001 to 2007 to acquire information about live and dead fuel in the Mongolia-China grasslands. The inputs for the independent parameters for wildfire propagation susceptibility modelling were the normalized difference vegetation index (NDVI), optimized soil-adjusted vegetation index (OSAVI), moisture stress index (MSI), global vegetation moisture index (GVMI), dead fuel INDEX (DFI), elevation, slope, and aspect. Multivariate logistic regression ranking indicates that DFI, MSI, DEM, and OSAVI are the top four factors, with an overall accuracy of 80%. Leave one out' cross-validation demonstrated that the overall accuracy of the propagation susceptibility modelling ranged from 65% to 87%. Finally, the model was used to produce 10 day average wildfire propagation susceptibility maps during the wildfire seasons of 2001-2007 and to predict the location of burned areas. This research will be useful for understanding the propagation susceptibility of wildfires in grassland areas and for creating policies for preventing wildfire spread.

DOI： 10.1080/01431161.2013.805280

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Quality Evaluation of Steel, Aluminum, and Road Material Recycled from End-of-Life Urban Buildings in Japan in Terms of Total Material Requirement Reviewed

Eiji Yamasue, Ryota Minamino, Hiroki Tanikawa, Ichiro Daigo, Hideyuki Okumura, Keiichi N. Ishihara, Paul H. Brunner

JOURNAL OF INDUSTRIAL ECOLOGY Vol. 17 ( 4 ) page： 555 - 565 2013.8

Language：English Publishing type：Research paper (scientific journal) Publisher：WILEY-BLACKWELL

In this study we introduce the concept of total material requirement (TMR) to quantify the quality of materials from end-of-life buildings. The TMRs for the recycling of materials (urban ore TMR [UO-TMR]) from four types of Japanese buildings (Japanese traditional wooden structure [JTWS], wooden frame with walls structure [WFS], reinforced-concrete structure [RCS], and steel-based structure [SS]) have been estimated and the trade-off between the increase in function of recycled materials such as steel made from scrap and the additional inputs of energy and materials required to create the increase in function were evaluated. Steel made from scrap, aluminum made from scrap, and road material are assumed to be recycled from steel products, aluminum products, and aggregate and cement concrete in the buildings, respectively. Case study analyses were carried out to determine the effect of recycling only aboveground materials compared to recycling both aboveground and subsurface materials. Also, the effect of varying the recycling rate of wooden demolition debris is determined.The UO-TMRs of steel made from scrap range from 4.7 kilograms per kilogram (kg/kg) to 18.2 kg/kg. Urban tailings (unrecycled components) account for the greatest proportion of the UO-TMR of steel made from scrap, and the next largest contributor is the recycling process. In the case of aluminum made from scrap, the UO-TMRs range from 22 to 196 kg/kg, with the contribution of urban tailings generally dominant, and the second largest contributor being on-site demolition and shredding. The UO-TMRs of recycled road material range from 1.04 to 1.16 kg/kg and are similar for different recycling cases and types of buildings.

DOI： 10.1111/jiec.12014

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Evaluation of material stocks, GAS and NAS for infrastructure in Japan : Moving towards a sustainable stock-type society

Cherry Myo Lwin, Hiroki Tanikawa, Seiji Hashimoto

Journal of International Review of Civil Engineering Vol. 4 ( 3 ) page： 118-127 2013.5

Materials demand and environmental impact of buildings construction and demolition in China based on dynamic material flow analysis Reviewed

Tao Huang, Feng Shi, Hiroki Tanikawa, Jinling Fei, Ji Han

RESOURCES CONSERVATION AND RECYCLING Vol. 72 page： 91 - 101 2013.3

An Analysis of material stocks for the construction of transport infrastructure in Japan: Moving towards a sustainable stock-type society

Cherry Myo Lwin, Hiroki Tanikawa, Seiji Hashimoto

Journal of Environmental Information Science Vol. 41 ( 5 ) page： 63-72 2013.3

Comparing Gross and Net Additions to Material Stock for Roadways in Japan Reviewed

Cherry Myo Lwin, Seiji Hashimoto, Hiroki Tanikawa

International Journal of Engineering and Research and Applications Vol. 3 ( 1 ) page： 1119-1124 2013.2

Structural decomposition analysis of the carbonization process in Beijing: A regional explanation of rapid increasing carbon dioxide emission in China Reviewed

Xin Tian, Miao Chang, Hiroki Tanikawa, Feng Shi, Hidefumi Imura

ENERGY POLICY Vol. 53 page： 279 - 286 2013.2

Language：English Publishing type：Research paper (scientific journal) Publisher：ELSEVIER SCI LTD

Methods to control China's CO2 emissions under its rapid economic development process have received much attention. As the top industrialized and urbanized region in China, Beijing is a good case to show the trends of CO2 emissions in China, and examining how different drivers influence the CO2 emissions direction of Beijing can give valuable insights to other regions on dealing with the emerging climate change issues. To this end, we conducted structural decomposition analysis to quantify the contributions of technological and socio-economic factors to the rapid CO2 emissions growth in Beijing from 1995 to 2007. An increasing final demand level and production structure change led to carbonizing Beijing significantly, while energy intensity improvement was Beijing's sole prominent source on decarbonizing its economic development in 1995-2007. Further, results highlighted the importance of trading and investment in CO2 emissions variations in Beijing. The industrial structure change toward heavy manufacturing and services sectors led to the significant role of these sectors in CO2 emissions growth in Beijing. Beijing's carbonizing process is a reminder to other regions in China to reconsider the direction of their industrial structure change and implement consistent and strict energy-saving policies. (C) 2012 Elsevier Ltd. All rights reserved.

DOI： 10.1016/j.enpol.2012.10.054

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時間の投入構造に関する基礎的研究 Reviewed

鬼頭祐介, 奥岡桂次郎, 韓驥, 白川博章, 谷川寛樹

環境情報科学 = Environmental information science Vol. 41 ( 4 ) page： 79 2013.1

地理情報を考慮した木造住宅寿命の変化による木材需給量と炭素固定量のシナリオ分析 Reviewed

岡崎奈津子, 奥岡桂次郎, 韓驥, 白川博章, 谷川寛樹

環境情報科学 = Environmental information science Vol. 41 ( 4 ) page： 81 2013.1

マテリアルストック推計のための4D GISの構築 : 名古屋市都心部を対象にしたケーススタディ Reviewed

青柳淳之介, 杉本賢二, 谷川寛樹

環境情報科学 = Environmental information science Vol. 41 ( 4 ) page： 86 2013.1

TIME-SERIES ESTIMATION OF THE MATERIAL STOCK OF BUILDINGS AND INFRASTRUCTURE OF ALL PREFECTURES IN JAPAN Reviewed

TANAKA Kensuke, HAYAKAWA Yohei, OKUOKA Keijiro, SUGIMOTO Kenji, TANIKAWA Hiroki

Journal of Japan Society of Civil Engineers, Ser. G (Environmental Research) Vol. 69 ( 6 ) page： II_25-II_34 2013

Language：English Publishing type：Research paper (scientific journal)

 Various policies have been undertaken in Japan for the establishment of a sustainable society. A vast amount of infrastructure in Japan was constructed during the rapid economic growth era, and due to its life span, most of this infrastructure would have to be repaired or demolished in the near future. It is urgently needed to determine the spatial distribution and accumulation of this material stock. This study examined the spatial distribution and transition of material stock in each prefecture using statistical and GIS data. The results show that material stock in 1965 (approx 7.2 billion tons) increased by about three times in 2010 (approx 20.6 billion tons). When comparing structure-types, buildings and roads compose the largest percentage of material stock, while in a material-types comparison, concrete and aggregate are the largest percentage.

DOI： 10.2208/jscejer.69.II_25

Analysis on Material Stock Flow and CO2 Emission toward the Sustainable Society - Focusing on Municipalities in Hokuriku Region - Reviewed

HASEGAWA Masatoshi, ONISHI Akio, OKUOKA Keijiro, TOGAWA Takuya, TANIKAWA Hiroki

Journal of Japan Society of Civil Engineers, Ser. G (Environmental Research) Vol. 69 ( 6 ) page： II_13-II_23 2013

Language：English Publishing type：Research paper (scientific journal)

It is necessary to understand amount of the future CO2 emission and material stock flow in order to attain a sustainable society. In this study, we estimated future CO2 emissions and material stock flow of urban structures by municipalities in the Hokuriku region. The result for the “B scenario and technology introduction” in 2050 were 30.5Mt of CO2 emissions, 7.5Mt of material input, 426.2Mt of material stock, and 19.9Mt of material output. In conclusion, population decline caused by failing birth rate, intensifying urban areas, and the lifetime improvement of domestic houses.

DOI： 10.2208/jscejer.69.II_13

Study on Spatial Distribution of Buildings Using PALSAR Data Reviewed

SUGIMOTO Kenji, OKUOKA Keijiro, TANIKAWA Hiroki

Papers on Environmental Information Science Vol. 27 ( 0 ) page： 85-90 2013

Language：English Publishing type：Research paper (scientific journal)

For realizing sustainable development of the cities, it is necessary to estimate of the flow of material cycles in society. Since a few countries have sufficient data to support stock analysis, a more flexible method with high adaptability is required for material stock and flow analysis in global scale. In this research, as a pioneer step, the correlation between PALSAR data and area of building has been estimated for Aichi Prefecture. Summing the size of aggregation larger than satellite resolution can reduce the noises that were induced by surrounding pixels. It was observed that a strong correlation can be estimated by omitting the forest area with the aid of using land use/land cover data.

DOI： 10.11492/ceispapers.ceis27.0_85

Material Consumption of Building Construction with Land Use Change in China: A Socioeconomic and Geographical Analysis Reviewed

Wanxin HOU, Hanwei LIANG, Ji HAN, Hiroki TANIKAWA

Environmental Information Research Vol. 26 page： 43-48 2012.11

東海三県における建設系廃棄物の地域循環圏に関する基礎的研究 Reviewed

奥岡桂次郎，三宅悠介，大西暁生，韓驥，白川博章，谷川寛樹

土木学会論文集G（環境） Vol. 68 ( 6 ) page： 147-154 2012.10

全国都道府県における都市構造物マテリアルストック需要量の将来シナリオ分析 Reviewed

大西暁生，河村直幸，奥岡桂次郎，石峰，谷川寛樹

土木学会論文集G（環境） Vol. 68 ( 5 ) page： 1-13 2012.9

夜間光衛星画像とGISを用いた建築用鋼材蓄積量の推計 Reviewed

田口現貴，許峰旗，谷川寛樹，松野泰也

鉄と鋼 Vol. 98 ( 8 ) page： 62-68 2012.8

Regional disparity in CO2 emissions: assessing sectoral impacts on the CO2-emission structure among regions of mainland China Reviewed

Tian X, Chang M, Tanikawa H, Shi F, Imura H

Journal of Industrial Ecology Vol. 16 ( 4 ) page： 612-622 2012.8

Toward a Low Carbon Dematerialization Society: Measuring the Materials Demand and CO2 Emissions of Building and Transport Infrastructure Construction in China Reviewed

Feng Shi, Tao Huang, Hiroki Tanikawa, Ji Han, Seiji Hashimoto, and Yuichi Moriguchi

Journal of Industrial Ecology Vol. 16 ( 4 ) page： 493-505 2012.8

Estimation of Steel Use in Buildings by Night Time Light Image and GIS Open Access

Genki Taguchi, Feng-Chi Hsu, Hiroki Tanikawa, Yasunari Matsuno

TETSU TO HAGANE-JOURNAL OF THE IRON AND STEEL INSTITUTE OF JAPAN Vol. 98 ( 8 ) page： 450 - 456 2012.8

Language：Japanese Publishing type：Research paper (scientific journal) Publisher：IRON STEEL INST JAPAN KEIDANREN KAIKAN

Steel is the most widely used material among all metals. As the concern about effective use of the in-use steel stock as secondary resource grows, numerous studies analyzing the flow and stock of steel have been conducted. Though top-down and bottom-up approaches have been employed in material flow analysis, the applicability of these approaches is largely restricted by the data availability. To overcome this problem, we have proposed a method for estimating in-use steel stock based on satellite images. Our previous studies had shown effective regression of steel stock in buildings and nighttime lights on country and sub-national level. However, the relationship has not been examined in micro level, i.e. building stocks and pixels. Therefore, in this study, geographic information system (GIS) was used to estimate the in-use steel stock for buildings in Tokyo, Japan. The volume of buildings in 145 areas with 1 km square in Tokyo was calculated with GIS. Then, the correlation was investigated between the building volume, in-use building steel stock and the radiance of nighttime light. As the result, building volume and in-use building steel stock were found to be highly correlated with the radiance of nighttime light.

DOI： 10.2355/tetsutohagane.98.450

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Papers - TANIKAWA, Hiroki