最近の主な成果発表
積雪モデル
2021年
- 平島寛行, 大沢光, 2021, 斜面積雪中における水の側方流の解明に向けたこれまでの研究と課題, 雪氷, 83, 555-568.
- 安達聖, 勝島隆史, 2021, 雪氷用MRI高速撮像法を用いた湿雪資料の最適な撮像法の検討, 雪氷, 83, 569-578.
2020年
- Katsushima, T., S. Adachi, S. Yamaguchi, T., Ozeki, T. Kumakura, 2020: Nondestructive three-dimensional observations of flow finger and lateral flow development in dry snow using magnetic resonance imaging. Cold Reg. Sci. Tech, 170, https://doi.org/10.1016/j.coldregions.2019.102956
- Hirashima, H., T. Iyobe, K. Kawashima, and H. Sano, 2020, Development of a Snow Load Alert System, "YukioroSignal" for Aiding Roof Snow Removal Decisions in Snowy Areas in Japan, Journal of Disaster Research, 15, 688-697.
- Adachi, S., S. Yamaguchi, T. Ozeki and K. Kose, 2020, Application of a magnetic resonance imaging method for nondestructive, three-dimensional, high-resolution measurement of the water content of wet snow samples, Frontiers in Earth Science, 8, id.179.
2019年
- Hirashima, H., F. Avanzi, N. Wever, 2019, Wet-snow metamorphism drives the transition from preferential to matrix flow in snow, Geophys. Res. Lett., 46, 14548-14557.
- Avanzi, F , R. C. Johnson, C. A. Oroza, H. Hirashima, T. Maurer, S. Yamaguchi, 2019, Insights Into Preferential Flow Snowpack Runoff Using Random Forest, Water Resources Research, 55, 10727-10746.
- Hirashima, H., 2019: Numerical snowpack model simulation schemes for avalanche prediction in Japan. Bulletin of Glaciological Research, 37S, 31-41. https://doi.org/10.5331/bgr.18SW02
- Adachi, S. S. Yamaguchi, T. Ozeki, K. Kose, 2019: Development of a magnetic resonance imaging system for wet snow samples. Bulletin of Glaciological Research, 37S, 43-51. https://doi.org/10.5331/bgr.17SR01
2017年
- Hirashima H., F. Avanzi, S. Yamaguchi, 2017: Liquid water infiltration into a layered snowpack: evaluation of a 3-D water transport model with laboratory experiments. Hydrology and Earth System Sciences, 21, 5503-5515. https://doi.org/10.5194/hess-21-5503-2017.
- 安達聖, 山口悟, 尾関俊浩, 巨瀬勝美, 2017: 雪氷MRIを用いた湿雪試料測定技術の現状と課題について, 雪氷, 79, 497-509.
- 勝島隆史, 安達聖, 山口悟, 平島寛行, 熊倉俊郎, 2017: 乾雪への水の浸潤速度の測定と数値計算, 雪氷, 79, 511-524.
- 庭野匡思, 青木輝夫, 橋本明弘, 山口悟, 本吉弘岐, 谷川朋範, 保坂征宏, 2017: 2015-2016冬期の新潟県アメダスへの積雪変質モデルSMAPの適用, 雪氷, 79, 525-538.
- 平島寛行，勝島隆史，2017: 積雪中における水分移動のモデル化の現状と課題，雪氷，79，483-495.
2016年
- Avanzi, F., H. Hirashima, S. Yamaguchi, T. Katsushima, and D. C. Michele D. C.: 2016. Observations of capillary barriers and preferential flow in layered snow during cold laboratory experiments. Cryosphere, 10, 2013-2026. https://dx.doi.org/10.5194/tc-10-2013-201.
2015年
- Avanzi, F., S. Yamaguchi, H. Hirashima, D. C. Michele, 2015: Bulk volumetric liquid water content in a seasonal snowpack: modeling its dynamics in different climatic conditions. Advances in Water Resources. 86, 1-23. https://dx.doi.org/10.1016/j.advwatres.2015.09.021
- 平島寛行, 山口悟, 小杉健二, 根本征樹, 青木輝夫, 的場澄人, 2015: 断面観測結果を用いた積雪変質モデルの検証, 雪氷, 77, 5-16.
2014年
- Wever, N., C. Fierz, C. Mitterer, H. Hirashima, M. Lehning, 2014: Solving Richards Equation for snow improves snowpack meltwater runoff estimations in detailed multi-layer snowpack model., Cryosphere, 8, 257-274., "https://doi.org/10.5194/tc-8-257-2014.
- Hirashima, H., S. Yamaguchi, T. Katsushima, 2014: A multi-dimensional water transport model to reproduce preferential flow in the snowpack. Cold Reg. Sci. Tech., 108. 80-90. https://doi.org/10.1016/j.coldregions.2014.09.004.
- 平島寛行, 2014: 積雪変質モデルによる雪崩発生予測の現状と課題，雪氷，76，411-419.
2013年
- Katsushima, T., S. Yamaguchi, T. Kumakura, A. Sato, 2013: Experimental analysis of Preferential flow in dry snowpack. Cold Reg. Sci. Tech., 85. 206-216. https://doi.org/10.1016/j.coldregions.2012.09.012
- 勝島隆史, 熊倉俊郎, 山口悟, 2013: 凹凸に伴う層境界を持つ積雪中における水分移動の数値実験. 雪氷, 75, 428-440.
- Takeuchi, Y., H. Hirashima, 2013: Snowpack estimations in the starting zone of large-scale snow avalanches in the Makunosawa valley, Myoko, Japan. Ann. Glaciol., 54,19-24., https://doi.org/10.3189/2013AoG62A15
- 平島寛行, 安達聖, 2013：積雪内部の水の移動をモデル化する，防災科研ニュース，179，10-11．
2012年
- 平島寛行, 山口悟, 2012：断面観測及びライシメータのデータを用いた積雪水分移動モデルの検証，寒地技術論文・報告集，28，44-48．
- Yamaguchi, S., H. Hirashima, A. Sato and S. Adachi, 2012：Relationship between preferential flow in snow cover and weather conditions, 'International Snow Science Workshop Proceedings, 1054-1058.
- Adachi, S., S. Yamaguchi, T. Ozeki and K. Kose, 2012：Hysteresis in the water retention curve of snow measured using an MRI system, International Snow Science Workshop Proceedings, 918-922.
- 山口悟, 渡辺晋生, 石井吉之, 2012：積雪内部の水の移動に関する実験的研究，日本水文科学会誌，42, 89-100．
- 小杉健二, 望月重人, 阿部修, 2012：積雪ライシメーターに流入する融雪水の挙動について（２），東北の雪と生活，27，46-49．
- Saito, K., S. Yamaguchi and H. Iwata, Y. Harazono, K. Kosugi, M. Lehning, M. Shulski, 2012：climatic physical snowpack properties for large-scale modeling examined by observations and a physical model, Polar Science, 6, 79-95.
- Yamaguchi, S., K. Watanabe and T. Katsushima, A. Sato, T. Kumakura, 2012：Dependence of the water retention curve of snow on snow characteristics, Annals of Glaciology, 53, 6-12.
- 山口悟, 2012：積雪内部の不均一浸透と気象条件との関係 －マルチライシメータを用いた解析 －，雪氷北信越，32，47．
- 伊東靖彦, 池田慎二, 松下拓樹, 山口悟, 上石勲, 野呂智之, 2012：多層積雪への降水浸透と積雪硬度の変化，雪氷北信越，32，26．
- 勝島隆史, 熊倉俊郎, 山口悟, 2012：凹凸を持つ積雪内の水分移動，雪氷北信越，32，25．
- 平島寛行, 阿部修, 2012:こしもざらめ雪の等温状態における剪断強度増加の温度依存性，雪氷北信越，32，15．
2011年
- Hirashima, H., O. Abe and A. Sato, 2011: Parameterization of the shear strengh of faceted crystals during
equi-temperature metamorphism, Annals of Glaciology, 58, 111-118.
- 山口悟, 渡辺晋生, 2011：積雪内部の水の移動に関する土壌分野の理論の応用について，雪氷北信越，24．
- 平島寛行, 上石勲, 山口悟, 佐藤篤司, Michael Lehning, 2011：積雪中における水分移動のモデル化(3) 全層雪崩発生に予測に向けて，雪氷北信越，31，25．
2010年
- 平島寛行, 山口悟, 佐藤篤司, Michael Lehning, 2010：積雪中における水分移動のモデル化(2) 積雪変質モデルへの導入，雪氷北信越，40．
- 山口悟, 勝島隆史, 佐藤篤司, 熊倉俊郎, 2010：水分特性の積雪特性依存性，雪氷北信越，18．
- 勝島隆史, 山口悟, 熊倉俊郎, 佐藤篤司, 2010：粒子直径が水侵入圧と水みち形成に与える影響，雪氷北信越，17．
- Hirashima, H., I. Kamiishi and S. Yamaguchi, A. Sato, M. Lehning, 2010: Application of a numerical snowpack model to estimate full-depth avalanche danger, Proceedings of International Snow Science Workshop, 47-52.
- Hirashima, H., S. Yamaguchi, A. Sato, M. Lehning, 2010: Numerical modeling of liquid water movement through layered snow based on new measurements of the water retention curve. Cold Regions Science and Technology, https://dx.doi.org/10.1016/j.coldregions.2010.09.003.
- Yamaguchi, S., T. Katsushima, A. Sato, T. Kumakura, 2010: Water retention curve of snow with different grain sizes. Cold Regions Scienceand Technology, https://dx.doi.org/10.1016/j.coldregions.2010.05.008.
2009年
- Yamaguchi, S., T. Katsushima, A. Sato, T. Kumakura, 2009:Measuring the water retention curve of snow. Proceedings of International Snow Science Workshop, 244-247.
- Katsushima, T., S. Yamaguchi, T. Kumakura, A. Sato, 2009: Measurement of dynamic water-entry value for dry snow. Proceedings of InternationalSnow Science Workshop, 248-251.
- Hirashima, H., S. Yamaguchi, A. Sato, 2009: Numerical modelling of liquid water movement in snow cover. Proceedings of International Snow Science Workshop, 252-255.