Ｑ　Are areas around rivers dangerous? Is river water contaminated with cesium still running?

Ｑ　What kinds of land use is radioactive cesium deposited? How much is deposited?

Ｑ　Is it possible to use water from contaminated rivers and reservoirs for irrigation water?

Ｑ　Do dose rates in riverbeds increase after heavy rains? 【Difference between high and low water channels】

Ｑ　Do dose rates in riverbeds increase after heavy rains? 【Tendency of the change of air dose rate】

Ｑ　Do dose rates in riverbeds increase after heavy rains? 【Changes of air dose rate in heavy rain】

Ｑ　How much radiation dose is expected for water-based recreational activities?

Ｑ　How is the cesium concentration in river water changing over time? 【Northern Fukushima prefecture】

Ｑ　How is the cesium concentration in river water changing over time? 【Southern Fukushima prefecture】

Ｑ　How has the radioactive Cs concentration in river water changed with time? 【Recent trend (2018)】

Ｑ　Does the concentration of radioactive cesium in river water increase after rainfall? 【Changes of the concentration of

Ｑ　Does the concentration of radioactive cesium in river water increase after rainfall? 【Effect of the upstream dam on the

Ｑ　Do high concentrations of radioactive cesium continue to be deposited on riverbeds? 【Deposition of sediment in riverbeds

Ｑ　Do high concentrations of radioactive cesium continue to be deposited on riverbeds? 【

Ｑ　Do sediment with high radioactive cesium concentration continue to be deposited on river bottoms?

Ｑ　Is there a continuous input of cesium contamination to rivers from forests?。

Ｑ　How much amount of radiocesium discharges into the ocean?

Ｑ　Dose the radiocesium discharge ratio from rivers depend on the local environment?

Ｑ　Where is the radiocesium in river water coming from?

Ｑ　How do rainfalls affect turbidity and radioactive cesium concentrations in river water? 【Example of analysis】

Ｑ　Which parts of the river is radioactive cesium more likely to accumulate? 【Example of analysis】

Ｑ　How does radioactive cesium carried down by rivers move in the sea? 【Example of analysis】

Ｑ　What kinds of places have high concentrations of cesium dissolved in river water?

Ｑ　Will heavy rain cause the runoff of deposited cesium?［Radioactive cesium migration caused by torrential rain in October 2019: Upper river basin］

Ｑ　Will heavy rain cause the runoff of deposited cesium? 【Radioactive cesium migration caused by torrential rain in October 2019: Middle to lower river basin】

Ｑ　If there is an unprecedentedly large outflow of water, can you still predict the transfer of radioactive cesium?

Ｑ　Does defoliation of forests affect the concentration of cesium dissolved in river water?

Ｑ　How is radioactive cesium deposited on land expected to move in the future?

Ｑ What environmental factors influence the seasonal and long-term changes in radiocesium (137Cs) concentrations in rivers?

Ｑ　Is it possible to use river water for drinking water?

Ｑ　Will the concentration of radioactive cesium in lake water remain high unless contaminated sediments are removed from reservoir beds? 【Tendency of the change of the concentration in reservoir beds】

Ｑ　Will the concentration of radioactive cesium in lake water remain high unless contaminated sediments are removed from reservoir beds?

Ｑ　Does the concentration of radioactive cesium increase due to the resuspension of sediments by heavy rains?

Ｑ　Will radioactive contamination continue to accumulate in reservoirs due to the inflow of radioactive cesium from rivers? 【Tendency of the change of the concentration in reservoir beds】

Ｑ　Will radioactive contamination continue to accumulate in reservoirs due to the inflow of radioactive cesium from rivers? 【Effect of the upstream dam on 137Cs accumulation in the riservoir beds】

Ｑ　Will radioactive contamination continue to accumulate in reservoirs due to the inflow of radioactive cesium from rivers? 【Technology for prediction of the future concentration of 137Cs】

Ｑ　Wouldn't radioactive cesium accumulated at the bottom of lakes, dams, etc. dissolve and affect the ecosystem and farming operations downstream?

Ｑ　Do radiation does will increase using bathing beach?

Ｑ　How is the concentration of radioactive cesium in seawater and marine sediment changing?

Ｑ　Does contamination of estuaries continue due to continuous outflow of radioactive cesium from rivers?

Ｑ　How extent does radiocesium flowing in from rivers affect the coastal environment?

Ｑ　Why does the concentration of radiocaesium (¹³⁷Cs) Csin coastal seafloor surface sediments vary by location and time?