Original Research Letter– category –
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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... -
Improvement of simulating gross primary production and evapotranspiration in the land surface model based on parameter calibration
Hongmei Li, Wenpeng Xie, Xiaoyang Li, Kei Yoshimura Received 3 July, 2025 Accepted 15 September, 2025 Published online 28 November, 2025 Hongmei Li1), Wenpeng Xie2), Xiaoyang Li2), Kei Yoshimura2) 1) Natural Environmental Studies, Gradua... -
Multi-case study on VIL Nowcast enhanced with conditional bifurcation using vertical wind
Shinya Mabuchi, Kazuhiro Yoshimi Received 7 May, 2025 Accepted 24 July, 2025 Published online 11 November, 2025 Shinya Mabuchi1), Kazuhiro Yoshimi2) 1) Department of Environmental and Civil Infrastructure Engineering, Graduate School of ...
