2025– category –
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River water temperature variability: classification, diurnal change, and precipitation impacts in Nagara River tributaries
Khadiza Akter Mousumi, Takeo Onishi, Masanao Sueyoshi, Morihiro Harada, Ken Hiramatsu Received 29 June, 2025 Accepted 5 October, 2025 Published online 27 December, 2025 Khadiza Akter Mousumi1)2), Takeo Onishi3), Masanao Sueyoshi4)5), Mor... -
Reproducibility of SPI-based drought indices and recent wetting trends over Japan using JRA-3Q
Kazuyo Murazaki, Tosiyuki Nakaegawa Received 15 June, 2025 Accepted 28 August, 2025 Published online 25 December, 2025 Kazuyo Murazaki1), Tosiyuki Nakaegawa2) 1) Department of Applied Meteorology Research, Meteorological Research Institu... -
Assessing agricultural drought vulnerability: exploring historical drought hotspots in Indonesia through high-resolution satellite imagery
Amalia Nafisah Rahmani Irawan, Daisuke Komori Received 27 May, 2025 Accepted 14 July, 2025 Published online 24 December, 2025 Amalia Nafisah Rahmani Irawan1)2), Daisuke Komori1)2) 1) Green Goals Initiative, Tohoku University, Japan 2) Gr... -
Cost-benefit analysis of adaptation measures to reduce flood inundation damage in rivers in Toyama Prefecture, Japan
Hasune Numazawa, Shuichi Kure, Ryuto Fujishita Received 3 March, 2025 Accepted 9 July, 2025 Published online 20 December, 2025 Hasune Numazawa1), Shuichi Kure2), Ryuto Fujishita1) 1) Graduate School of Toyama Prefectural University, Depa... -
Numerical study of effects of soil pipes on the constant-head well permeameter test
Kotaro Yanai, Naoya Masaoka, Ken’ichirou Kosugi Received 22 July, 2025 Accepted 28 September, 2025 Published online 17 December, 2025 Kotaro Yanai1), Naoya Masaoka1), Ken’ichirou Kosugi1) 1) Graduate School of Agriculture, Kyoto Universi... -
Boron isotope evolution during burial diagenesis: integrating a Rayleigh model with hot spring observations
Ikuya Adachi, Rofiqul Umam, Tsutomu Yamanaka Received 29 June, 2025 Accepted 8 September, 2025 Published online 13 December, 2025 Ikuya Adachi1), Rofiqul Umam1), Tsutomu Yamanaka1) 1) Degree Programs in Life and Earth Sciences, Universit... -
Urbanization impacts on operational efforts of agricultural water infrastructure
Kentaro Otsuka, Shin-ichi Nishimura, Masateru Senge, Keigo Noda Received 16 June, 2025 Accepted 8 September, 2025 Published online 6 December, 2025 Kentaro Otsuka1), Shin-ichi Nishimura2), Masateru Senge3), Keigo Noda4) 1) The United Gra... -
Quantitative Precipitation Estimation for an observed case of bimodal raindrop size distributions
Megumi Okazaki, Eiichi Nakakita, Satoru Oishi, Kosei Yamaguchi Received 18 July, 2025 Accepted 10 September, 2025 Published online 5 December, 2025 Megumi Okazaki1), Eiichi Nakakita2), Satoru Oishi3), Kosei Yamaguchi4) 1) Graduate School... -
Impacts of long lead-time flood forecasting on disaster response and society: insights from Nagano, Japan
Shinichiro Nakamura, Kensuke Otsuyama, Fuko Nakai, Hiroyoshi Morita, Tsuyoshi Takano, Megumi Nabata, Miki Namba, Masaomi Kimura, Ryuma Shineha, Cao Vu Quynh Anh, Kei Yoshimura Received 20 January, 2025 Accepted 6 July, 2025 Published onl... -
Historical water temperature change in Japan over the past several decades
Ryuki Iritani, Kohei Oshima, Takahiro Oda, Orie Sasaki, Kazuo Oki, Hitoshi Miyamoto, Yukiko Hirabayashi Received 2 May, 2025 Accepted 29 August, 2025 Published online 2 December, 2025 Ryuki Iritani1), Kohei Oshima1), Takahiro Oda2), Orie...
