2011年4月現在

氏名

坂本利弘 （さかもと　としひろ）　 Sakamoto, Toshihiro

所属・職名

生態系計測研究領域　主任研究員

現在の研究内容

取得学位

農学博士　（京都大学　2007年）

最近の業績

（論文）

  1. Michio Shibayama, Toshihiro Sakamoto, Eiji Takada, Akihiro Inoue, KazuhiroMorita, Wataru Takahashi, Akihiko Kimura (2011) Estimating paddy rice leaf area index with fixed point continuous observation of near infrared reflectance using a calibrated digital camera, PLANT PRODUCTION SCIENCE, 14(1), 30-46
  2. Michio Shibayama, Toshihiro Sakamoto, Akihiko Kimura (2011) A multiband polarimetric imager for field crop survey —instrumentation and preliminary observations of heading-stage wheat canopies—, PLANT PRODUCTION SCIENCE, 14(1), 64-74
  3. Toshihiro Sakamoto, Brian D. Wardlow, Anatoly A. Gitelson, Shashi B. Verma, Andrew E. Suyker and Timothy J. Arkebauer, "A Two-Step Filtering approach for detecting maize and soybean phenology with time-series MODIS data", Remote Sensing of Environment, 114(10), 2146-2159, 2010
  4. Toshihiro Sakamoto, Michio Shibayama, Eiji Tkada, Akihiro Inoue, Kazuhiro Morita, Wataru Takahashi, Shigenori Miura and Akihiko Kimura, "Detecting seasonal changes in crop community structure using day and night digital images", Photogrammetric Engineering & Remote Sensing, 76(6), 713-726, 2010.
  5. Khang, N. D., Kotera, A., Iiizumi, T, Sakamoto, T., and Yokozawa, M. “Variations in water resources in the Vietnamese Mekong Delta in response to climate change and their impacts on rice production”, Journal of Agricultural Meteorology, vol.66(1), pp.11-21, 2010.
  6. Masayuki YOKOZAWA, Yasuto SHIRATO, Toshihiro SAKAMOTO, Seiichiro YONEMURA, Makoto NAKAI, Toshiaki OHKURA (2010) Use of the RothC model to estimate the carbon sequestration potential of organic matter application in Japanese arable soils, SOIL SCIENCE AND PLANT NUTRITION, 56(1), 168-176
  7. Toshihiro Sakamoto, Cao Van Phung, Akihiko Kotera, Nguyen Duy Khang, and Masayuki Yokozawa, "Detection of yearly change in farming systems in the Vietnamese Mekong Delta from MODIS time-series imagery", Jarq-Japan Agricultural Research Quarterly, vol.43(3), pp.173-185, 2009.
  8. Toshihiro Sakamoto, Cao Van Phung, Akihiko Kotera, Nguyen Duy Khang, and Masayuki Yokozawa, "Analysis of rapid expansion of inland aquaculture and triple rice-cropping areas in a coastal area of the Vietnamese Mekong Delta using MODIS time-series imagery ", Landscape and Urban Planning, vol.92(1), pp.34-46, 2009.
  9. Toshihiro Sakamoto, Cao Van Phung, Nhan Van Nguyen, Akihiko Kotera, and Masayuki Yokozawa, "Agro-ecological Interpretation of Rice Cropping Systems in Flood-prone Areas using MODIS Imagery", Photogrammetric Engineering and Remote Sensing, vol.75(4), pp.413-424, 2009.
  10. Shibayama, M., Sakamoto, T., Takada, E., Inoue, A., Morita, K, Takahashi, W., and Kimura, A. “Continuous Monitoring of Visible and Near-Infrared Band Reflectance from a Rice Paddy for Determining Nitrogen Uptake Using Digital Cameras”, lant Production Science, vol.12(3), pp.293-306, 2009.
  11. Shibayama, M., Sakamoto, T., Homma, K., Okada, S. and Yamamoto, H, “Daytime and Nighttime Field Spectral Imagery of Ripening Paddy Rice for Determining Leaf Greenness and 1000-Grain Weight”, Plant Production Science, vol.12(3), pp.307-318, 2009.
  12. 高田英治, 井上晃宏, 芝山道郎, 坂本利弘, 守田和弘, 木村昭彦, 高橋渉, 定点カメラ画像による水稲の生育状況の推定, システム農学, 25(1), 27-34 , 2009.　===Eiji Takada, Akihiro Inoue, Michio Shibayama, Toshihiro Sakamoto, Kazuhiro Morita, Akihiko Kimura and Ayumu Tkahashi., “Growth condition estimation of rice by fixed point camera images and MODIS images ”, Journal of the Japanese Agricultural Systems Society, vol.25, pp.27-34, 2009 (in Japanese with English Abstract)===
  13. Khang, N. D., Kotera, A., Sakamoto, T., and Yokozawa, M. “Sensitivity of Salinity Intrusion to Sea Level Rise and River Flow Change in Vietnamese Mekong Delta-Impacts on Availability of Irrigation Water for Rice Cropping ”, Journal of Agricultural Meteorology, vol.64(3), pp.167-176, 2008.
  14. Tao, F., Hayashi, Y., Zhang, Z., Sakamoto, T., and Yokozawa, M., “Global warming, rice production, and water use in China: Developing a probabilistic assessment”, Agricultural and Forest Meteorology, vol.148(1), pp.94-110, 2008.
  15. Kotera, A., Sakamoto, T., Nguyen, D.K., and Yokozawa, M. , “Regional Consequences of Seawater Intrusion on Rice Productivity and Land Use in Coastal Area of the Mekong River Delta ”, Jarq-Japan Agricultural Research Quarterly, vol.42(4), pp.267-274, 2008.
  16. Kim, Y., Eun, H., Cho, H.S., Kim, K.S., Sakamoto T., Watanabe, E., Baba, K. and Katase, T. , “Organochlorine pesticides in the sediment core of Gwangyang Bay, South Korea ”, Archives of Environmental Contamination and Toxicology, vol.54(3), pp.386-394, 2008.
  17. Toshihiro Sakamoto, Nhan Van Nguyen, Akihiko Kotera, Hiroyuki Ohno, Naoki Ishitsuka, Masayuki Yokozawa, “Detecting temporal changes in the extent of annual flooding within the Cambodia and the Vietnamese Mekong Delta from MODIS time-series imagery”, Remote Sensing of Environment, Elsevier, vol.109(3), pp.295-313, 2007.
  18. Kotera, A., Sakamoto, T., and Yokozawa, M. “Determining the Spatial Pattern of Rice Cropping Schedules using Time-Series Satellite Imagery of the Red River Delta, Vietnam”, International Journal of Geoinformatics, vol.3(4), pp.1-8, 2007.
  19. Toshihiro Sakamoto,　Masayuki Yokozawa, Hitoshi Toritani, Michio Shibayama, Naoki Ishitsuka, Hiroyuki Ohno, “A crop phenology detection method using time-series MODIS data”, Remote Sensing of Environment, Elsevier, vol.96(3-4), pp.366-374, 2005.
  20. 坂本利弘・岡本勝男・川島博之, “多時期RADARSAT画像を用いた水稲田植日の空間分布推定-石狩川中上流域における田植日と環境要因の面的比較-“, システム農学, システム農学会, 21巻, pp.25-32, 2005.===Toshihiro Sakamoto, Katsuo Okamoto, Hiroyuki Kawashima, “Estimation of the spatial distribution of rice-planting date by using multi-temporal RADARSAT SAR data: Comparison of the spatial distribution of rice-planting date with environmental factors on the middle and upper areas of Ishikari Basin”, Journal of the Japanese Agricultural Systems Society, vol.21, pp.25-32, 2005 (in Japanese with English Abstract)===
  21. Masayuki Yokozawa, Fulu Tao, Toshihiro Sakamoto, “Space-time variations of climate condition for major cereal cultivation areas: current status and future projection”, Chinese Journal of Agrometeorology, pp.1-6, 2005.
  22. Masayuki Yokozawa, Fulu Tao, Toshihiro Sakamoto, “Risk Analysis of Cropland Suitability in China under Climate Variability and Change, Crop”, Environment and Bioinformatics, 1(4), pp.264-271,　2004.

（著書）

  1. 坂本利弘, "第5章　3.衛生画像を利用した冠水・洪水被害の把握", 湿地環境と作物-環境と調和した作物生産をめざして-　坂上潤一・中園幹生・島村聡・伊藤治・石澤公明　編著, （株）養賢堂, 194-208, 2010
  2. 坂本利弘, “MODIS時系列解析によるメコンデルタの水稲フェノロジー把握”, 農業リモートセンシング・ハンドブック, システム農学会, 124-126, 2007

（特許）

  1. 坂本利弘, 芝山道郎, 高田英治, 植物体の生育変化の連続測定方法 （発明届名称：能動型近赤外域イメージングセンサーによる植物形態情報を計測する方法）（特願2009-073116） 2009.3.25出願 【持分：50%】