Testing and improving a distributed rainfall-runoff model using slope surface flow as a new observation metric
Seonjun Choi, Tomohiro Tanaka, Kazuaki Yorozu, Yasuto Tachikawa
Received 22 July, 2025
Accepted 30 September, 2025
Published online 25 March, 2026
Analysis of hydraulic and hydrological factors under the saltwater intrusion and projections of their future frequency in the Ishikari River
Kento Tanaka, Michihide Ishihara, Tomohito J. Yamada
Received 12 May, 2025
Accepted 17 August, 2025
Published online 25 March, 2026
Temporal dynamics and threshold behaviors of suspended sediment transport in the Abukuma River, Japan
Sheikh Hefzul Bari, Yoshiyuki Yokoo, Chris Leong
Received 9 October, 2025
Accepted 27 December, 2025
Published online 20 March, 2026
Isotopic shift in streamflow relative to precipitation over 13 years: fractionation versus selection effects
Ikuya Adachi, Chihiro Ono, Tsutomu Yamanaka
Received 4 September, 2025
Accepted 16 November, 2025
Published online 19 March, 2026
Exploring the predictability of using crowdsourced observations in statistical postprocessing of NWP based precipitation nowcasts by machine learning
Yiwen Mao, Asgeir Sorteberg
Received 7 May, 2025
Accepted 16 November, 2025
Published online 14 March, 2026



