ASAOKA Yoshihiro, Ph.D
Professor at Department of Civil Engineering, College of Engineering, Nihon University
■ Research Field
Hydrology and Water Resources, River Engineering, Hydraulics
■ Research Topics
Evaluation of water resources fed by glacier and snow
Climate change impacts on water resources and water disaster
Flood mitigation using the functions of paddy fields and the urban sewer network
Hydrological modeling, satellite remote sensing and GIS
■ Current Study areas
Japan, Bolivia, and Indonesia
■ Publications
Submitted (under review)
Saito G, Asaoka Y and others (202?).
Peer Reviewed
Yoshihiro Asaoka, Genki Saito, Takeshi Yamazaki, Edson Ramirez and Walter W. Immerzeel (2025): Energy balance analysis of a tropical glacier in the Andes and identification of key meteorological variables for empirical melt estimates, Annals of Glaciology, 66, e16. [Cambridge Core]
Ryoma KITAMURA, Yoshihiro ASAOKA*, Toshikazu SATO and Yumiko Oyama (2024): INLAND AND RIVER FLOOD ANALYSIS OF A RIVER CONFULUENCE INTEGRATING THE MAIN RIVER, ITS BRANCH RIVER, AND SEWAGE, Japanese Journal of JSCE, Vol.80, No.27, 24-27017 (in Japanese with English abstract). [J-STAGE]
Hitoshi FURUKAWA, Akio KUWAHARA, Yuu ANDOU, Yoshihiro ASAOKA (2024): MEASUREMENT OF TOTAL LOAD DURING SNOWMELT RUNOFF USING AN ULTRASONIC ATTENUATION SPECTROMETER WITH AN IMPROVED FLOW CELL, Japanese Journal of JSCE, Vol.80, No.16, 23-16022 (in Japanese with English abstract). [J-STAGE]
Hitoshi FURUKAWA, Akio KUWAHARA, Hirofumi OKUMURA, Yoshihiro ASAOKA and Hisao NAGABAYASHI (2021): IMPROVED METHOD OF PARTICLE SIZE ANALYSIS AND SUSPENDED SEDIMENT CONCENTRATION MEASUREMENT BY ULTRASONIC ATTENUATION SPECTROSCOPY, Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineers), Vol.77, No.2, pp.I_889-I_894 (in Japanese with English abstract). [J-STAGE]
Toshimasa TAKEDA, Yoshihiro ASAOKA and Seiji HAYASHI (2021): Flood mitigation effect of Paddy field dam on controlling increase of flood risk under future climate change condition, Journal of Japan Society of Hydrology and Water Resources, Vol. 46, No.6, pp.274-289. (in Japanese with English abstract). [J-STAGE]
Hitoshi FURUKAWA, Akio KUWAHARA, Hirofumi OKUMURA, Yoshihiro ASAOKA and Hisao NAGABAYASHI (2021): IMPROVED ULTRASONIC MEASUREMENT OF SUSPENDED SEDIMENT CHARACTERIZATION USING SOUND CHARACTERISTIC EQUATIONS OF MICROBUBBLES IN FLOW, Advances in River Engineering，Vol.27, pp.1-6. (in Japanese with English abstract). [J-SATAGE]
OZAKI, H., YOSHIMURA, K., ASAOKA, Y. and HAYASHI, S. (2021): Antimony from brake dust to the combined sewer collection system via road effluent under rainy conditions, Environmental Monitoring and Assessment, 193, 369. DOI:10.1007/s10661-021-09152-5 [Springer]
Hiroyuki Wakabayashi, Chiharu Hongo, Takahiro Igarashi, Yoshihiro Asaoka, Boedi Tjahjono and Intan Rima Permata (2021): Flooded rice paddy detection using Sentinel-1 and PlanetScope data: a case study of the 2018 spring flood in West Java, Indonesia, IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol. 14, pp. 6291-6301. [IEEE]
Hitoshi FURUKAWA,Chihaya ONDA, Hirofumi OKUMURA, Yoshihiro ASAOKA and Hisao NAGABAYASHI (2020): SEDIMENT TRANSPORT MAPS PREPARED BY SUSPENDED SEDIMENT OBSERVATION AND SEDIMENTATION SURVEY FOR EVALUATION OF RESERVOIR SLUICING OPERATIONS AT THE SETOISHI DAM, Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineers), Vol.76, No.2, pp.I_1459-I_1464 (in Japanese with English abstract). [J-STAGE]
Abdul Haseeb Azizi and Yoshihiro Asaoka* (2020): Assessment of the Impact of Climate Change on Snow Distribution and River Flows in a Snow-Dominated Mountainous Watershed in the Western Hindukush–Himalaya, Hydrology, Vol.7, No.4, 74. [mdpi]
Toshimasa TAKEDA, Yoshihiro ASAOKA, Tomoaki SATO, Seiji HAYASHI (2020): MITIGATION EFFECT OF PADDY FIELD DAM ON INUNDATION DAMAGE IN SUKAGAWA-CITY:CASE OF TYPHOON HAGIBIS，2019，Vol.76, No.5, I_343-I_351 (in Japanese with English abstract). [J-STAGE]
Hitoshi FURUKAWA, Yuuji FUKUSHIGE, Shigekazu KAWASHITA, Yoshihiro ASAOKA and Hisao NAGABAYASHI (2020): OBSERVATION OF SUSPENDED SEDIMENT TRANSPORT IN THE KUMAGAWA RIVER USING AN ULTRASONIC ATTENUATION SPECTROMETER, Advances in River Engineering，Vol.26, pp.113-118. (in Japanese with English abstract). [J-STAGE]
Abdul Haseeb Azizi, Yoshihiro Asaoka* (2020): Incorporating snow model and snowmelt runoff model for streamflow simulation in a snow-dominated mountainous basin in the western Hindukush-Himalaya region, Hydrological Research Letters, Vol.14, No.1, pp.34-40. [J-STAGE]
Hitoshi FURUKAWA, Yuuji FUKUSHIGE, Hirohumi OKUMURA, Yoshihiro ASAOKA and Hisao NAGABAYASHI (2019): MEASUREMENT OF NON-UNIFORM SUSPENDED SEDIMENT TRANSPORT DURING SLUICING AND FLUSHING OPERATIONS AT THE SETO-ISHI DAM ON THE KUMAGAWA RIVER, Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineers), Vol.75, No.5, pp.I_853-I_858 (in Japanese with English abstract). [J-STAGE]
Abdul Haseeb AZIZI and Yoshihiro ASAOKA* (2019): ESTIMATING SPATIAL AND TEMPORAL SNOW DISTRIBUTION USING NUMERICAL MODEL AND SATELLITE REMOTE SENSING IN THE WESTERN HINDUKUSH-HIMALAYA REGION, Journal of Japan Society of Civil Engineers, Ser. G (Environmental Research), Vol.75, No.5, I_125-I_134. [J-STAGE]
Hitoshi FURUKAWA, Yuuji FUKUSHIGE, Shigekazu KAWASHITA, Yoshihiro ASAOKA and Hisao NAGABAYASHI (2019): CONTINUOUS MEASUREMENT OF NON-UNIFORM SUSPENDED SEDIMENT TRANSPORT UNDER FLOODING CONDITIONS USING A FLOW-CELL TYPE ULTRASONIC ATTENUATION SPECTROMETER, Advances in River Engineering，Vol.25, pp.163-168 (in Japanese with English abstract).
Tsuyoshi Kinouchi, Takashi Nakajima, Javier Mendoza, Pablo Fuchs, Yoshihiro Asaoka(2019): Water security in high mountain cities of the Andes under a growing population and climate change: A case study of La Paz and El Alto, Bolivia, Water Security, 6, 100025. [ScienceDirect]
Hitoshi FURUKAWA, Ayumi KOMORI, Shigemitsu INOMATA, Yoshihiro ASAOKA, Hisao NAGABAYASHI (2018): THE EFFECT OF FINE BUBBLES ON MEASUREMENTS OF CONCENTRATION AND PARTICLE SIZE DISTRIBUTION OF SUSPENDED SEDIMENT USING ULTRASONIC WAVE, Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineers)，Vol.74, No.5, pp.I_1817-I_1822 (in Japanese with English abstract). [J-STAGE]
Toshimasa TAKEDA, Yoshihiro ASAOKA* (2018): A COMPARISION OF WATER STORAGE FUNCTIONS AMONG DORAINAGE DEVICES FOR THE RICE FIELD DAM，Vol.74, No.5, pp.I_125-I_132 (in Japanese with English abstract). [J-STAGE]
Hitoshi FURUKAWA, Ayumi KOMORI, Shigemitsu INOMATA, Yoshihiro ASAOKA, Hisao NAGABAYASHI (2018): VERIFICATION OF THE METHOD FOR OBSERVING SUSPENDED SEDIMENT TRANSPORT DURING SNOWMELT RUNOFF PIRIODS BY A FLOW-CELL TYPE ULTRASONIC ATTENUATION SPECTROMETER, Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering)，Vol.74, No.4, pp.I_847-I_852 (in Japanese with English abstract). [J-STAGE]
Shota FUNAKI, Yoshihiro ASAOKA, Hiroyuki WAKABAYASHI, Tuyoshi KINOUCHI, Javier MENDOZA (2018): BACKSCATTER CHARASTARISTICS OF A TROPICAL GLACIER DERIVED FROM C-BAND SAR IMAGERY, Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering)，Vol.74, No.4, pp.I_889-I_894 (in Japanese with English abstract). [J-STAGE]
Yusuke HIDA, Hiroshi CHIBA, Yoshihiro ASAOKA, Hisao NAGABAYASHI (2017): REAL-TIME FORECASTING FOR WATER LEVELS IN SEWER BY MACHINE LEARNING AND INUNDATION SIMULATION, Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering)，Vol.73, No.4, pp.I_889-I_894 (in Japanese with English abstract). [J-STAGE]
Shota FUNAKI, Yoshihiro ASAOKA, Tsuyoshi KINOUCHI (2016): IMPACT ACCERSSMENT OF GLACIER RETREAT ON RUNOFF IN THE TUNI RESERVOIR CATHCMENT, BOLIVIA, Journal of Japan Society of Civil Engineers, Ser. G (Environmental Research), Vol.72, No.5, pp.I_45-I_51 (in Japanese with English abstract). [J-STAGE]
Shota Funaki, Yoshihiro Asaoka (2016): Long-term change in ablation area of tropical glaciers by Landsat data, Procedia Engineering, Vol.154, pp.168-175. [ScienceDirect]
Pablo Fuchs, Yoshihiro Asaoka and So Kazama (2016): Modelling melt, runoff, and mass balance of a tropical glacier in the Bolivian Andes using an enhanced temperature-index model, Hydrological Research Letters, Vol.10, No.2, pp.51-59. DOI: 10.3178/hrl.10.51 [J-STAGE]
Kazuki YOSHIZAWA, So KAZAMA, Yoshihiro ASAOKA (2016): STATISTICAL ANALYSIS OF GLACIER RETREAT IN THE ANDES, BOLIVIA USING TOPOGRAPHIC INFORMATION, Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering)，Vol.72, No.4, pp.I_469-I_474 (in Japanese with English abstract). DOI: 10.2208/jscejhe.72.I_469 [J-STAGE]
Kazuki YOSHIZAWA, Yoshihiro ASAOKA, Pablo FUCHS, So KAZAMA (2014): Furture Projection of Glacier Variation of the Tropical Huayna Potosi West Glacier with Mass Balance and Melt Model, Journal of Japan Society of Civil Engineers, Ser. G (Environmental Research)，Vol.70, No.5, pp.I_219-I_225 (in Japanese with English abstract). DOI: 10.2208/jscejer.70.I_219 [J-STAGE]
V. Moya Quiroga, A. Mano, Y. Asaoka, K. Udo, S. Kure, J. Mendoza (2014): Estimation of Glacier Melt Water Contribution for Human Consumption in the Royal Andes Considering Temperature Measurement Errors, Open Journal of Modern Hydrology, Vol.4, No.2, pp.27-43. DOI: 10.4236/ojmh.2014.42003 [Scientific Research]
Vladimir MOYA QUIROGA GOMEZ, Akira MANO, Yoshihiro ASAOKA, Keiko UDO, Shunichi KURE and Javier Mendoza (2014): GLACIER ABLATION AND WATER RESOURCES IN TROPICAL ANDES: THE CONDORIRI GLACIER, Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineers)，Vol.70, No.4, pp.I_229-I_234. DOI: 10.2208/jscejhe.70.I_229 [J-STAGE]
Keisuke TANI, Makoto UMEDA, Yoshihiro ASAOKA, Tsuyoshi YAMAZAKI (2014): FIELD MEASUREMENT AND ANALYSIS ON HEAT BALANCE AND WATER TEMPERATURE FORMATION IN A HIGH-ALTITUDE RESERVOIR IN THE BOLIVIAN ANDES, Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering)，Vol.70, No.4, pp.I_1627-I_1632 (in Japanese with English abstract)． DOI: 10.2208/jscejhe.70.I_1627 [J-STAGE]
Shuya KIKUCHI, So KAZAMA, Yoshihiro ASAOKA (2014): EVALUATION OF RUNOFF CHARACTERISTICS IN DROUGHT PERIOD BASED ON MINIMUM MONTHLY PRECIPITATION AND CONTINUOUS DRY DAYS, Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering)，Vol.70, No.4, pp.I_439-I_444 (in Japanese with English abstract)． DOI: 10.2208/jscejhe.70.I_439
Quiroga, V. Moya, Mano, A., Asaoka, Y., Kure, S., Udo, K., Mendoza, J. (2013): Snow glacier melt estimation in tropical Andean glaciers using artificial neural networks, Hydrology and Earth Science Systems, Vol.17, No.4, pp.1265-1280. DOI: 10.5194/hess-17-1265-2013
Yoshihiro ASAOKA, Yuji KOMINAMI (2013): Incorporation of satellite-derived snow-cover area in spatial snowmelt modeling for a large area: determination of a gridded degree-day factor, Annals of Glacilogy, Vol.54 No.62(2), pp.205-213. DOI: 10.3189/2013AoG62A218
Kairi Morizawa, Yoshihiro Asaoka, So Kazama, Luminda Niroshana Gunawardhana (2013): Temporal glacier area changes correlated with the El Niño/La Niña Southern Oscillation using satellite imagery, Hydrological Research Letters, Vol.7, No.2, pp.18-22. DOI: 10.3178/hrl.7.18
Keisuke TANI, Makoto UMEDA, Tsuyoshi KINOUCHI, Yoshihiro ASAOKA, Marcelo Gorritty (2013): ASSESSMENT OF AQUATIC ENVIRONMENTAL IMPACT BY A FUTURE CLIMATE CHANGE IN A RESERVOIR LOCATED IN THE BOLIVIAN ANDES, Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering)，Vol.69, No.4, pp.I_1501-I_1506 (in Japanese with English abstract). DOI: 10.2208/jscejhe.69.I_1501
Yoshihiro ASAOKA, Takeshi YAMAZAKI, Shunsuke MIYATA, So KAZAMA, Edson RAMIREZ (2013): HEAT BALANCE ANALYSIS ON THE GLACIER WITH SUMMERPRECPITATON SEASONALITY AND EFFECT OF SNOW -A CASE STUDY OF ANDEAN TROPICAL GLACIER-, Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering)，Vol.69, No.4, pp.I_427-I_432 (in Japanese with English abstract). DOI: 10.2208/jscejhe.69.I_427
Kairi MORIZAWA, Yoshihiro ASAOKA and So KAZAMA (2013): SPATIAL ALBEDO ESTIMATION ON GLACIER USING SATEL, Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering), Vol.69, No.4, pp.I_421-I_426 (in Japanese with English abstract). DOI: 10.2208/jscejhe.69.I_421 [J-STAGE]
Pablo FUCHS, Yoshihiro ASAOKA, So KAZAMA (2013): ESTIMATION OF GLACIER MELT IN THE TROPICAL ZONGO WITH AN ENHANCED TEMPERATURE-INDEX MODEL, Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineers), Vol.69, No.4, pp.I_187-I_192. DOI: 10.2208/jscejhe.69.I_187
Kairi MORIZAWA, Yoshihiro ASAOKA and So KAZAMA (2012): SPATIAL ALBEDO ESTIMATION ON GLACIER USING SATELLITE IMAGES IN COMBINATION WITH OBSERVED DATA, Journal of Japan Society of Civil Engineers, Ser. G (Environmental Research), Vol.68, No.5, pp.I_153-I_158 (in Japanese with English abstract). DOI: 10.2208/jscejer.68.I_153 [J-STAGE]
Yoshihiro ASAOKA, Yukari TAKEUCHI, Ranjan Sarukkalige (2012): TEMPORAL VARIATIONS IN ACIDITY AND ION CONCENTRATIONS OF PRECIPTATION, SNOWPACK AND OUTFLOW FROM SNOWPACK IN A TEMPERATE SNOW AREA OF JAPAN, Journal of Hydroscience and Hydraulic Engineering, Vol.30, No.1, pp.63-76. [JSCE]
Syunsuke MIYATA, Yoshihiro ASAOKA and So KAZAMA (2012): VERIFICATION OF DEGREE-DAY METHOD AND SNOWMELT RATE FACTER IN AMeDAS POINTS OVER JAPAN, Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineers), Vol.68, No.4, pp.I_343-I_348 (in Japanese with English abstract).
Shunsuke KASHIWA, Yoshihiro ASAOKA and So KAZAMA (2012): ESTIMATION OF SNOWDEPTH DISTRIBUTION IN MOUNTAINOUS AREA BY ASSIMILATION OF SNOWDEPTH DATA (2012): Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineers), Vol.68, No.4, pp.I_331-I_336 (in Japanese with English abstract).
Megumi WATANABE, Kazunari NAKANO, Yukiko HIRABAYASHI, Seiki KAWAGOE, Yoshihiro ASAOKA, Shinjiro KANAE (2012): ESTIMATION OF THE TROPICAL GLACIER IN BOLIVIA USING SATELLITE IMAGERY, Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineers), Vol.68, No.4, pp.I_307-I_312 (in Japanese with English abstract).
Yoshihiro Asaoka and Yuji Kominami (2012): Spatial snowfall distribution in mountainous areas estimated with a snow model and satellite remote sensing, Hydrological Research Letters, Vol.6, pp.1-6. DOI: 10.3178/hrl.6.1.
YOSHIHIRO ASAOKA, YUKARI TAKEUCHI, SO KAZAMA (2011): Temporal variation in acidity and ion concentration of snowmelt water in light and heavy snow years, International Association of Hydrological Sciences Publication, Vol.346, pp.86-91
Yoshihiro ASAOKA and Yukari TAKEUCHI (2011): CHARACTERISTICS OF ACIDITY AND MAJOR ION CONCENTRATION OF SNOWFALL, SNOWPACK AND SNOWMELT WATER IN THE TEMPERATE SNOW AREA, Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineers), Vol67, No.4, pp.I_409-I_414 (in Japanese with English abstract). DOI: 10.2208/jscejhe.67.I_409
Shunsuke KASHIWA, Yoshihiro ASAOKA and So KAZAMA (2011): ASSIMILATION OF SNOW DEPTH DATE INTO SNOWMELT-RUNOFF MODEL, Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineers), Vol.67, No.4, pp.I_403-I_408 (in Japanese with English abstract). DOI: 10.2208/jscejhe.67.I_403
Shunsuke KASHIWA, So KAZAMA, Yoshihiro ASAOKA (2010): ESTIMATION OF SNOWFALL DISTRIBUTION AND DEVELOPMENT OF DISTRIBUTED SNOWMELT RUNOFF MODEL, Advances in River Engineering Vol.16, pp.289-294 (in Japanese with English abstract).
Yoshihiro ASAOKA, Yasushi TOYODA, and Yukari TAKEUCHI (2010): THE EFFECT OF THE PRECIPITATION FORM DISCRIMINATION METHODON RIVER DISCHARGE ESTIMATION DURING WINTER, Annual Journal of Hydraulic Engineering, JSCE, Vol.54, pp.421-426 (in Japanese with English abstract).
Yoshihiro ASAOKA, Yuji KOMINAMI, Yukari TAKEUCHI, Hiromu DAIMARU, Nobuyuki TANAKA (2007): Estimation of Snow Water Equivalent in Wide Area Based on Satellite Remote Sensing and Regional Characteristics of the Snowmelt Rate Factor, Journal of Japan Society of Hydrology and Water Resources, Vol.20, No.6, pp.519-529 (in Japanese with English abstract). DOI: 10.3178/jjshwr.20.519 [J-STAGE]
Yoshihiro ASAOKA, So KAZAMA, Masaki SAWAMOTO (2005): ANALYSIS OF RELATHIONSHIPS BETWEEN VEGETATION ACTIVITY AND CLIMATE FACTORS IN SNOWMELT SEASON, Annual Journal of Hydraulic Engineering, JSCE. Vol.49, pp.313-318.
Takehiro TOTSUKA, So KAZAMA, Yoshihiro ASAOKA, Masaki SAWAMOTO (2004): Analysis of the Snow Water Equivalent Distribution and the Snowmelt Rate Factor Using the Snow Model and Satellite Information of Snow in the Tohoku District, Japan, Journal of Japan Society of Hydrology and Water Resources, Vol.17, No.5, pp.493-502 (in Japanese with English abstract). DOI: 10.3178/jjshwr.17.493
Yoshihiro ASAOKA, So KAZAMA and Masaki SAWAMOTO (2003): The Influence of Snowdepth on the Variation of Vegetation Activity and Evapotranspiration, Water Resources System-Water Availability and Global Change, IAHS Publication No.280, pp.292-300.
Yoshihiro ASAOKA, So KAZAMA, Masaki SAWAMOTO (2003): THE INFULUENCE OF SNOW CONDITON ON SEASONAL VARIATION OF BASIN VEGETATIONA, CASE STUDY IN THE TAKI DAM BASIN OF THE AGANO RIVER, Annual Journal of Hydraulic Engineering, JSCE. Vol.47, pp.163-168 (in Japanese with English abstract).
Yoshihiro ASAOKA，So KAZAMA，Masaki SAWAMOTO (2002): The Variation Characteristics of Snow Water Resources in a Wide Area, and its Geographical and Climatic Dependency, Journal of Japan Society of Hydrology and Water Resources, Vol.15, No.3, pp.279-289 (in Japanese with English abstract). [J-STAGE]