Research field (2)：
Environmental dynamics
, Forest science
Research theme for competitive and other funds (4)：
2024 - 2028 降雨経験による山地斜面の内部侵食と排水能力向上に関する研究
2018 - 2019 The role of the fine roots on flow paths of surface soils on a dense bamboo hillslope
2015 - 2016 過密竹林斜面の地下茎分布を雨水浸透過程の解明
2013 - 2014 3Dレーザースキャナを用いた斜面から河道への土砂供給量とその空間分布の把握
Papers (99)：
Marino Hiraoka, Taro Uchida, Ai Kawakami, Takeshi Sugita, Ryo Sekine, W.A.K.S. Ariyakumara, Emilia Tanaami, Suneth Neranjan, Kaho Ichikura. Understanding differences in turbidity development among tributaries by continuous multi-point observation in a mountain river using an interval camera: A case study of the upper reaches of the Watarase River. Proceedings of the 12th Symposium on Sediment-Related Disasters. 2024. 113-118
Suneth Neranjan, Taro Uchida, Yosuke Yamakawa, Marino Hiraoka, Ai Kawakami. Geometrical Variation Analysis of Landslides in Different Geological Settings Using Satellite Images: Case Studies in Japan and Sri Lanka. Remote Sensing. 2024. 16. 10. 1757-1757
Marino HIRAOKA, Naoki IMAMORI, Takeshi SHIMIZU, Koji ISHIDA, Kentaro YAMASHITA, Hiroyuki KAKIHARA. Effect of Fine Particle Content in Volcanic Ash on Slope Surface Runoff: Laboratory Rainfall Simulation Assuming a Slope with Thin Deposits of Ashfall. International Journal of Erosion Control Engineering. 2023. 16. 3. 36-48
Chen-Wei Chiu, Takashi Gomi, Marino Hiraoka, Katsushige Shiraki, Yuichi Onda, Bui Xian Dung. Evaluating changes in catchment-scale evapotranspiration after 50% strip-thinning in a headwater catchment. Hydrological Processes. 2022
Mitsuru Ohira, Takashi Gomi, Ayana Iwai, Marino Hiraoka, Yoshimi Uchiyama. Ecological resilience of physical plant-soil feedback to chronic deer herbivory: Slow, partial but functional recovery. Ecological Applications. 2022
Bui D.X, Gomi T, Onda Y, Miyata S, Kato H, Sidle R.C, Hiraoka M. Paired-catchment analysis for evaluating the effects of forest thinning on hydrological processes in Japanese headwaters. 3rd International Conference on Forest and Water in a Changing Environment. 2012
Hiraoka M, Onda Y, Gomi T, Mizugaki S, Kato H, Miyata S. Controlling factors of infiltration capacity on various covered surfaces in a forested terrain. 3rd International Conference on Forest and Water in a Changing Environment. 2012
Laboratory rainfall simulation for surface runoff generation on tephra-covered slopes with different fine particle content
(EGU General Assembly 2022 2022)
Effect of differences in the amount of tephra-fall on discharge from a hillslope in the Arimura River basin, Sakurajima, Japan
(INTERPRAEVENT 2021)
Rapid revision of the hazard maps for debris flow and snowmelt-type mud flow caused by volcanic eruptions of unexpected magnitudes and from unexpected vents
(INTERPRAEVENT 2021)
JAPANESE GEOMORPHOLOGICAL UNION
, JAPAN SOCIETY OF EROSION CONTROL ENGINEERING
, THE JAPAN SOCIETY OF HYDROLOGY AND WATER RESOURCES
, THE JAPANESE FORESTRY SOCIETY
, American Geophysical Union
