Fig.1　Land use in the main river basins in the eastern part of Fukushima Prefecture

Table 1　Example for land use around main river systems in eastern Fukushima Prefecture　Area and initial ¹³⁷Cs deposition amount for main land uses

Land Use	Area		Amount of initial 137Cs deposition
	km2	％	Bq	％
Forest	5,329	63.7	9.2×1014	70.8
Paddy field	1,157	13.8	1.6×1014	12.3
Farmland	852	10.2	1.3×1014	10.0
Built-up area	457	5.5	6.8×1013	5.2
Others	147	1.8	1.7×1013	1.3
Wasteland	152	1.8	1.6×1013	1.2
River / Lake	156	1.9	1.1×1013	0.8
Road / Railway etc.	67	0.8	1.0×1013	0.8
Golf course	47	0.6	3.5×1012	0.3
Beach	1	0.01	1.9×1011	0.01
Total	8,370	―	1.3×1015	―

Ref: M. Yamaguchi et al., J. Nucl. Fuel Cycle Env. 20, 53-70 (2013). http://dx.doi.org/10.3327/jnuce.20.53

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Reference

1. Yamaguchi, M. et al, Development of a model to predict a radionuclide distribution based on soil migration after Fukushima Dai-ichi Nuclear Power Plant accident Journal of Nuclear Fuel Cycle and Environment, vol. 20, no.2, 2013, p.53-69.(In Japanese)
2. Kitamura, A. et al., Predicting Sediment and Cesium-137 Discharge from Catchments in Eastern Fukushima, Anthropocene, vol.5, 2014, p.22-31.