Coseismic Groundwater Drawdown Along Crustal Ruptures During the 2016 Mw 7.0 Kumamoto Earthquake

T Hosono, C Yamada, T Shibata… - Water Resources …, 2019 - Wiley Online Library
Groundwater‐level changes after earthquakes provide insight into changes in
hydrogeological properties such as permeability and pore pressure. Quantifying such …

Simultaneous analysis of slope instabilities on a small catchment-scale using coupled surface and subsurface flows

Y Zhu, T Ishikawa, SS Subramanian, B Luo - Engineering geology, 2020 - Elsevier
High-velocity runoff generated in hillslopes during heavy rainfall caused by typhoon
increases chances of instability of the embankment slopes at the exit of the gully. Such …

[HTML][HTML] A modeling approach to estimate the 137Cs discharge in rivers from immediately after the Fukushima accident until 2017

K Sakuma, T Nakanishi, K Yoshimura… - Journal of …, 2019 - Elsevier
We developed a simple model to evaluate and predict the 137 Cs discharge from
catchments using a tank model and the LQ equation. Using this model, the 137 Cs …

Lessons learnt on the impact of an unprecedented soil decontamination program in Fukushima on contaminant fluxes

R Vandromme, S Hayashi, H Tsuji… - Proceedings of the …, 2023 - National Acad Sciences
In the context of elevated concerns related to nuclear accidents and warfare, the lessons
learnt from the Fukushima Daiichi Nuclear Power Plant accident in 2011 are important. In …

Characteristics of radio-cesium transport and discharge between different basins near to the Fukushima Dai-ichi Nuclear Power Plant after heavy rainfall events

K Sakuma, A Kitamura, A Malins, H Kurikami… - Journal of environmental …, 2017 - Elsevier
This paper describes watershed modeling of catchments surrounding the Fukushima Dai-
ichi Nuclear Power Plant to understand radio-cesium redistribution by water flows and …

Watershed‐Geochemical Model to Simulate Dissolved and Particulate 137Cs Discharge From a Forested Catchment

K Sakuma, S Hayashi, K Yoshimura… - Water Resources …, 2022 - Wiley Online Library
Measurements in forest catchments in Fukushima Prefecture indicate that cesium‐137
(137Cs) leaching from forest litter affects dissolved 137Cs levels in river water. Existing …

Reconstruction of uranium and plutonium isotopic signatures in sediment accumulated in the Mano Dam reservoir, Japan, before and after the Fukushima nuclear …

H Jaegler, F Pointurier, S Diez-Fernández, A Gourgiotis… - Chemosphere, 2019 - Elsevier
Abstract The Fukushima Dai-ichi Nuclear Power Plant (FDNPP) accident in Japan resulted
in a major release of radionuclides into the environment. Compared to other radionuclides …

Impacts of farmland decontamination on 137Cs transfers in rivers after Fukushima nuclear accident: Evidence from a retrospective sediment core study

T Chalaux-Clergue, A Foucher, PA Chaboche… - Science of the Total …, 2024 - Elsevier
Abstract Following the Fukushima Daiichi Nuclear Power Plant disaster in March 2011, the
Japanese government initiated an unprecedented decontamination programme to …

Applicability of Kd for modelling dissolved 137Cs concentrations in Fukushima river water: Case study of the upstream Ota River

K Sakuma, H Tsuji, S Hayashi, H Funaki… - Journal of environmental …, 2018 - Elsevier
A study is presented on the applicability of the distribution coefficient (K d)
absorption/desorption model to simulate dissolved 137 Cs concentrations in Fukushima …

Multiple-tracers-aided surface-subsurface hydrological modeling for detailed characterization of regional catchment water dynamics in Kumamoto area, southern …

ATMS Rahman, T Hosono, Y Tawara, Y Fukuoka… - Hydrogeology …, 2021 - Springer
Integrated watershed modeling techniques have been applied in recent years to examine
surface and subsurface interactions. Model performance is often evaluated by best fit of the …