論文

• I Echeverría, Oliver Saavedra, R Escalera, G Heredia, Chihiro Yoshimura, R Montoya. Small scale operation of an integrated anaerobic baffled reactor and biofilter: factors affecting its performance.,  Journal of Environmental Engineering, Vol. 148, No. 11, Nov. 2022.
• Shuangshuang Li, S. Heng, Sokly Siev, Chihiro Yoshimura, Oliver Saavedra, S Ly. Multivariate interpolation and information entropy for optimizing rain gauge network in the Mekong River Basin., Hydrological Sciences Journal, Vol. 64, pp. 1439-1452, Nov. 2019.
• Shiena Okada, Khanal Rajendra, Chihiro Yoshimura, Oliver Saavedra, Masahiro Ryo. Monitoring land cover change of a river-floodplain system using high resolution satellite images., Landscape and Ecological Engineering, Vol. 15, No. 1, pp. 63-74, Jan. 2019.
• H. Hossen, M. G. Ibrahim, W. Mahmod, A. Negm, K. Nadaoka, O. Saavedra. Forecasting future changes in Manzala Lake surface area by considering variations in land use and land cover using remote sensing approach, Arabian Journal of Geosciences, Mar. 2018.
• Zuliziana Suif, Chihiro Yoshimura, Oliver Saavedra, Zainal Arifin Ahmad, Seingheng Hul. Suspended sediment dynamics changes in mekong river basin: possible impacts of dams and climate change., International Journal of GEOMATE, Vol. 12, pp. 140-145, Feb. 2017.
• MG Eltarabily, AM Negm, Chihiro Yoshimura, S Abdel-Fattah, Oliver Saavedra. Quality assessment of southeast Nile Delta groundwater for irrigation. , Water Resources , Aug. 2016.
• MG Eltarabily, AM Negm, Chihiro Yoshimura, Oliver Saavedra. Modelling the impact of nitrate fertilizers on groundwater quality in the southern part of Nile Delta, Egypt., Water Science & Technology: Water Supply , Aug. 2016.
• AM Armanuos, A Negm, Chihiro Yoshimura, Oliver Saavedra. Application of WetSpass model to estimate groundwater recharge variability in the Nile Delta aquifer., Arabian Journal of Geosciences, Vol. 9, June 2016.
• AM Armanuos, A Negm, Chihiro Yoshimura, Oliver Saavedra. Estimation of bed and bank levels of an irrigation canal network towards accurate groundwater modeling of the Nile delta aquifer., International Water Technology Journal, Vol. 6, No. 1, pp. 74-83, May 2016.
• Zuliziana Suif, Fleifle Amr, Chihiro Yoshimura, Oliver Saavedra. Spatio-temporal patterns of soil erosion and suspended sediment dynamics in the Mekong River Basin., Science of the Total Environment, Apr. 2016.
• Masahiro Ryo, Yuichi Iwasaki, Chihiro Yoshimura, Oliver Saavedra. Evaluation of spatial pattern of altered flow regimes on a river network using a distributed hydrological model., PLOS ONE , Vol. 10, No. 7, e0133833, 2015.
• Ryo, M., Saavedra O. C. V., Kanae, S., Dang, T.. Temporal downscaling of daily gauged precipitation by application of a satellite product for flood simulation in a poorly gauged basin and its evaluation with multiple regression analysis, Journal of Hydrometeorology, American Meteorological Society, Vol. 15, No. 2, pp. 563-580, Apr. 2014.
• Masahiro Ryo, Chihiro Yoshimura, Oliver Saavedra, Pengzhe Sui. Longitudinal trends of flow regimes altered by dams in the lowland section of Sagami River. , 第58回水工学講演会, 土木学会論文集B1（水工学）, Vol. 70（4）, No. Ⅰ, pp. 31-36, Mar. 2014.
• Fleifle Amr, Oliver Saavedra, Chihiro Yoshimura, M Elzeir, Ahmed Tawfik. Optimization of integrated water quality management for agricultural efficiency and environmental conservation, Environmental Science and Pollution Research, Vol. 21, pp. 8095-8111, Mar. 2014.
• Pengzhe Sui, Akito Iwasaki, Oliver Saavedra, Chihiro Yoshimura. Modelling basin-scale distribution of fish occurrence probability for assessment of flow and habitat conditions in rivers., Hydrological Sciences Journal, Vol. 59, 3-4, pp. 618-628, Feb. 2014.
• Zuliziana Suif, Chihiro Yoshimura, Oliver Saavedra, Seingheng Hul. Spatial and seasonal variation of suspended sediment load in the Mekong River Basin. , 土木学会論文集B1（水工学）, Vol. 70（4）, No. Ⅰ, pp. 7-12, 2014.
• Zuliziana Suif, Chihiro Yoshimura, Oliver Saavedra, Seingheng Hul. Spatially distributed model for soil erosion and sediment transport in the Mekong River Basin.,  International Water Technology Journal , Vol. 3, No. 4, pp. 197-206, Dec. 2013.
• Takaaki Masuyama, Oliver Saavedra, Chihiro Yoshimura. Vulnerability analysis of water supply systems in asian countries during extreme weather events., Journal of Science and Technology, Volume 51, Number 2B, pp. 116-123, May 2013.
• Fleifle Amr, Ahmed Tawfik, Oliver Saavedra, Chihiro Yoshimura, M Elzeir.  Modeling and profile analysis of a down-flow hanging sponge system treating agricultural drainage water. , Separation and purification technology, May 2013.
• Zuliziana Suif, Chihiro Yoshimura, Oliver Saavedra. Impact of human activities and climate change on sediment load in the Mekong river basin., Journal of Science and Technology, Volume 51, Number 2B, pp. 132-141, May 2013.
• Fleifle Amr, Chihiro Yoshimura, Oliver Saavedra, Ahmed Tawfik, Zuliziana Suif. Applicability of satellite image for monitoring concentration of suspended sediment along the Mekong river., Journal of Science and Technology, Volume 51, Number 2B, pp. 84-91, May 2013.
• 増山貴明, SAAVEDRA VALERIANOOLIVER CRISTIAN, 吉村千洋. 日本の都市水道システムの渇水に対する脆弱性評価, 第57回水工学講演会, 土木学会論文集B1（水工学）, Mar. 2013.
• Chihiro Yoshimura, Pengzhe Sui, Yuichi Iwasaki, Akito Iwasaki, Oliver Saavedra, Shinjiro Kanae. Challenge for linking riverine environment to fish species diversity at global scale, Seminar of NRCT-JSPS Asian Core Program, Thai Environmental Engineering Journal, June 2012.
• 尾形徹哉, SAAVEDRA VALERIANOOLIVER CRISTIAN, 吉村千洋, Winai Liengcharernsit, Yukiko Hirabayashi. チャオプラヤ川流域の過去及び将来水文シミュレーション, 第56回水工学講演会, 土木学会論文集, Mar. 2012.
• Oliver Saavedra, T Koike, Masahiro Ryo, Shinjiro Kanae, Chihiro Yoshimura. Real time flood control using precipitation forecast and hydrological modeling, The 4th AUN/SEED-Net Regional Conference on Global Environment and Seminar of NRCT-JSPS Asian Core Program, Thai Environmental Engineering Journal, Jan. 2012.

国際会議発表 (査読有り)

• Ahmed Eladawy, Kazuo Nadaoka, Abdelazim Negm, Oliver C. Saavedra, Mahmoud Hanafy. Assessment of Long Term Thermal Stress on Egyptian, International Journal of Environmental Science and Development, Vol. 6, No. 12, Dec. 2015.
• Ahmed Eladawy, Kazuo Nadaoka, Abdelazim Negm, Oliver C. Saavedra, Mahmoud Hanafy. Assessment of long term thermal stress on Egyptian coral reefs based on remotely sensed sea surface temperature data, In 6th International Conference on Environmental Science and Development, 2015.
• Zuliziana Suif, Chihiro Yoshimura, Oliver Saavedra, Seingheng Hul. Process-based Distributed Model to Simulate Soil Erosion and Sediment Load in Mekong River Basin., 7th ASEAN Environmental Engineering Conference featuring the 5thSeminar on Asian Water Environment (Asian Core Program of JSPS,NRCT and ERDT), Proceedings of 7th ASEAN Environmental Engineering Conference featuring the 5thSeminar on Asian Water Environment (Asian Core Program of JSPS,NRCT and ERDT), p. 68, Nov. 2014.
• Masahiro Ryo, Yuichi Iwasaki, Chihiro Yoshimura, Oliver Saavedra. Evaluation of spatial variability of flow regime alteration using distributed hydrological model, International Symposium on Environmental Flow and Water Resources Management, Proceedings of International Symposium on Environmental Flow and Water Resources Management, pp. 1-8, Oct. 2014.
• Pengzhe Sui, OJA Lauri, Chihiro Yoshimura, Oliver Saavedra. Vulnerability assessment of urban water supplies at global scale using domestic water shortage index., The International Conference on the Preservation and Rehabilitation of Urban Water Environment for Asian Core Program of NRCT, JSPS, and ERDT., Proceeding of Urban Water Environment for Asian Core Program, pp. 129-135, Nov. 2013.
• Masahiro Ryo, Oliver Saavedra, Chihiro Yoshimura, Pengzhe Sui. Natural mitigation effect of tributaries on altered flow regimes at the major confluence in Sagami River, Japan., The International Conference on the Preservation and Rehabilitation of Urban Water Environment for Asian Core Program of NRCT, JSPS, and ERDT., Proceeding of Urban Water Environment for Asian Core Program, pp. 31-38, Nov. 2013.
• Shiena Okada, Chihiro Yoshimura, Oliver Saavedra, Masahiro Ryo. Estimation of land cover and water depth distribution of a river-floodplain system using high resolution satellite image, The International Conference on the Preservation and Rehabilitation of Urban Water Environment for Asian Core Program of NRCT, JSPS, and ERDT., Proceeding of Urban Water Environment for Asian Core Program, pp. 9-16, Nov. 2013.
• Pengzhe Sui, Oliver Saavedra, Chihiro Yoshimura. Effective calibration of hydrological model for estimation of ecologically-important flow characteristics, the 3rd Seminar on Asian Water Environment(Asian Core Program of JSPS,NRCT and ERDT), Proceedings of the 5th ASEAN Civil Engineering Conference(ACEC), the 5th ASEAN Environmental Engineering Conference (AEEC) and the 3rd Seminar on Asian Water Environment (Asian Core Program of JSPS, NRCT and ERDT), Oct. 2012.

国際会議発表 (査読なし・不明)

• Oliver Saavedra, Chihiro Yoshimura, Shinjiro Kanae, KAZUO NADAOKA, JIRO TAKEMURA, Abdelazim Negm, Nguyen Tan Phong. A research framework of Mega Deltas in Asia and Africa, The International Science Conference on MAHASRI, Mar. 2016.
• Shinya Takegawa, Oliver Saavedra, Shinjiro Kanae, Tomoo Ushio. Temporal Evaluation of GPM-GSMaP at basin scale, The International Science Conference on MAHASRI, Mar. 2016.
• Zuliziana Suif, Chihiro Yoshimura, Oliver Saavedra, Seingheng Hul. Potential impacts of climate change and planned dams on suspended sediment dynamics in Mekong River Basin., 15th Science Council of Asia Conference and International Symposium 2015, Proceedings of 15th Science Council of Asia Conference and International Symposium, 2015, pp. 119-124, May 2015.
• Oliver Saavedra, Chihiro Yoshimura, Mohamed Ateia. A PLATFORM FOR INTEGRATED WATER RESOURCES MANAGEMENT FOR MEGA DELTAS UNDER CLIMATE CHANGE JSPS MEGA DELTA PROJECT, International Water Technology Conference (IWTC), Proceedings of International Water Technology Conference (IWTC), Mar. 2015.
• Masahiro Ryo, Yuichi Iwasaki, Chihiro Yoshimura, Oliver Saavedra, Pengzhe Sui. Can Dams Mitigate Altered Stream Flow Characteristics? - A Case Study in Sagami River, Japan, Using a Distributed Hydrological Model, 11th Annual Meeting AOGS2014, Proceedings of the Annual Meeting of Asia Oceania Geosciences Society,AOGS 2014, July 2014.
• Zuliziana Suif, Kazuki Tanuma, Chihiro Yoshimura, Oliver Saavedra. Process-based Distributed Model for Assessment of Sediment Transport in Mekong River Basin, 11th Annual Meeting AOGS2014, Proceedings of the Annual Meeting of Asia Oceania Geosciences Society,AOGS 2014, July 2014.
• Kazuki Tanuma, Oliver Saavedra, Zuliziana Suif, Chihiro Yoshimura. Assessment of the effect of land–use change in Chao Phraya River basin using a distributed sediment transport model, 11th Annual Meeting AOGS2014, Proceedings of the Annual Meeting of Asia Oceania Geosciences Society,AOGS 2014, July 2014.
• Danet Hak, KAZUO NADAOKA, Chihiro Yoshimura, Oliver Saavedra, Shinjiro Kanae, Phu Le Vo. Understanding Sea Water Intrusion into Coastal Aquifer in the MEKONG DELTA System Using a Surface-Subsurface Coupling Hydrodynamics Model, Seminar of JSPS Mega Delta Project, Aug. 2013.
• Pengzhe Sui, Akito Iwasaki, Masahiro Ryo, Oliver Saavedra, Chihiro Yoshimura. Modelling basin-scale distribution of fish population density for habitat, International Society for River Science (ISRS): 3rd Biennial Symposium, Aug. 2013.
• Pengzhe Sui, Akito Iwasaki, Masahiro Ryo, Oliver Saavedra, Chihiro Yoshimura. Development of a Spatially Distributed Model of Fish Population Density for Habitat Assessment of Rivers, European Geosciences Union General Assembly 2013, Apr. 2013.
• Chihiro Yoshimura, Akito Iwasaki, Yuichi Iwasaki, Pengzhe Sui, Oliver Saavedra. Linking Flow Characteristics with Fish Community in Rivers for Determining Environmental Flow in Basin and Global Scales, AOGS-AGU(WPGM) Joint Assembly, Aug. 2012.
• Oliver Saavedra, Tetsuya Ogata, Chihiro Yoshimura, Kazuki Tanuma. Projection of Flow and Sediment Load in Chao Phraya River Basin and Its Implications for Integrated Basin Management, AOGS-AGU(WPGM) Joint Assembly, Aug. 2012.
• Pengzhe Sui, Akito Iwasaki, Oliver Saavedra, Chihiro Yoshimura. Development of Basin-Scale Fish Distribution Model and its Application to Sagami River for Habitat Assessment, 2012 ALSO Aquatic Science Meeting, July 2012.
• Tetsuya Ogata, Oliver Saavedra, Chihiro Yoshimura, Winai Liengcharernsit, Yukiko Hirabayashi. Thirty Years Hydrogical Projection of Chao Phraya River Basin as Determined by Future Climate Change scenarios, The 4th AUN/SEED-Net Regional Conference on Global Environment and Seminar of NRCT-JSPS Asian Core Program, Jan. 2012.
• Panu Juntunen, Oliver Saavedra, Chihiro Yoshimura. Simulating the flow regime of Sagami river using a hydrological model for environmental flow purposes, International Symposium on Long Term Vision for the Sustainable Water & Land Use, Sept. 2011.
• Tetsuya Ogata, Chihiro Yoshimura, Oliver Saavedra. Distributed sediment yield and hydrological modeling using remote sensing data in Chao Phraya river basin, the 1st Seminar on Asian Water Environments., Nov. 2010.

国内会議発表 (査読なし・不明)

• 梁政寛, 岩崎雄一, 吉村千洋, SAAVEDRA VALERIANOOLIVER CRISTIAN. 河川ネットワークにおける改変さ れた流況の空間パターン評価, 応用生態工学会 第18回大会, Sept. 2014.
• 梁政寛, 吉村千洋, 隋鵬哲, SAAVEDRA VALERIANOOLIVER CRISTIAN. 河川において支流のダム操作は主流の流況改変を増幅するか,軽減するか？－相模川宮ヶ瀬ダムの評価事例－, 第61回日本生態学会大会, Mar. 2014.
• Shiena Okada, Chihiro Yoshimura, Oliver Saavedra, Takeo Tadono, Ryo Masahiro, Manabu Fujii. Estimation of Habitat structure of river-floodplan system using high, 第1回ALOS-2 PIワークショップ, Sept. 2013.

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