Supplement material A
Table 1. Depth distribution of 134Cs, 137Cs, and the inventory fraction of both the F-NWT and F-FDNPP in the vertical soil profiles of Japanese cedar (continued)
Site
Depth
(cm)
Bulk
Density
(kg/m3)
134Cs
137Cs
(Bq kg-1)
(Bq kg-1)
Cs inventory
(Bq m-2)
134Cs
Cs inventory
(Bq m-2)
137Cs
F-FDNPP
F-NWT
Contribution
of Cs-137
(%, F-FDNPP)
Contribution
of Cs-137
(%, F-NWT)
539.2 ± 9.6 1062.6 ± 5.8
1294.1 ± 23.2
2550.3 ± 20.5
2456.8
93.5
96.3
3.7
124.9 ± 3.1
310.4 ± 2.0
659.5 ± 16.3
1639.0 ± 11.7
1253.3
385.8
76.5
23.5
14.3 ± 1.6
79.8 ± 1.0
86.0 ± 9.6
478.6 ± 4.8
163.6
315.0
34.2
65.8
5.0 ± 1.2
54.2 ± 0.7
34.8 ± 8.4
379.1 ± 7.0
66.2
312.9
17.5
82.5
CF-1
1.5 ± 0.5
18.3 ± 0.3
11.6 ± 3.9
139.2 ± 4.6
22.0
117.2
15.8
84.2
0.3 ± 0.1
6.8 ± 0.1
2.5 ± 0.8
78.2 ± 9.2
4.8
73.4
6.2
93.8
n.d.
2.9 ± 0.2
n.d.
66.3 ± 6.9
n.d.
66.3
n.d.
100.0
n.d.
1.9 ± 0.1
n.d.
43.5 ± 4.6
n.d.
43.5
n.d.
100.0
n.d.
n.d.
n.d.
n.d.
n.d.
n.d.
n.d.
n.d.
236.0 ± 6.8
409.9 ± 4.1
1929.8 ± 55.4
3282.7 ± 34.2
3265.8
16.9
99.5
0.5
100.0 ± 4.1
186.5 ± 2.6
1032.9 ± 42.1
1925.5 ± 27.4
1749.7
175.8
90.9
9.1
38.6 ± 2.6
87.6 ± 2.1
425.3 ± 29.6
966.1 ± 23.5
721.1
245.1
74.6
25.4
14.1 ± 3.1
54.9 ± 1.6
251.5 ± 55.6
981.7 ± 29.6
426.9
554.8
43.5
56.5
CF-2
2.1 ± 0.6
25.5 ± 0.4
27.8 ± 8.3
330.3 ± 5.3
47.2
283.1
14.3
85.7
0.8 ± 0.1
26.2 ± 0.2
13.2 ± 2.1
412.9 ± 3.2
22.5
390.4
5.4
94.6
0.8 ± 0.1
13.3 ± 0.1
13.4 ± 1.7
421.3 ± 2.4
22.7
398.6
5.4
94.6
n.d.
n.d.
n.d.
n.d.
n.d.
n.d.
n.d.
n.d.
n.d.
n.d.
n.d.
n.d.
0.0
n.d.
n.d.
n.d.
55.0 ± 4.6
134.5 ± 2.8
771.9 ± 65.4
1613.7 ± 34.4
1602.2
11.5
99.3
0.7
51.1 ± 5.2
102.8 ± 3.1
579.4 ± 59.5
1166.0 ± 35.4
987.9
178.0
84.7
15.3
33.5 ± 3.2
85.3 ± 1.9
417.8 ± 40.3
1065.1 ± 24.6
713.2
352.0
67.0
33.0
25.5 ± 2.8
70.2 ± 1.8
363.9 ± 40.6
1001.5 ± 26.1
621.7
379.8
62.1
37.9
7.2 ± 2.3
43.9 ± 1.4
102.9 ± 33.1
624.4 ± 20.5
176.3
448.1
28.2
71.8
CF-3
2.4 ± 1.2
36.2 ± 0.7
34.2 ± 17.6
524.9 ± 10.2
58.7
466.3
11.2
88.8
n.d.
13.6 ± 0.2
n.d.
419.3 ± 6.2
n.d.
419.3
n.d.
100.0
n.d.
n.d.
n.d.
n.d.
n.d.
n.d.
n.d.
n.d.
n.d.
n.d.
n.d.
n.d.
n.d.
n.d.
n.d.
n.d.
20-30
483
a Site representing each of the three different geological location (CF, cedar flat; CW, cedar wet; CS, cedar sloped) of Japanese cedar. All radiocesium values in the soil samples were corrected for radioactive decay.
OL
0-2
2-4
4-6
6-8
8-10
10-15
15-20
20-30
OL
0-2
2-4
4-6
6-8
8-10
10-15
15-20
20-30
OL
0-2
2-4
4-6
6-8
8-10
10-15
15-20
78
264
300
350
380
410
450
467
470
85
271
312
361
395
410
461
482
493
83
273
326
347
386
421
442
468
Table 1. Depth distribution of 134Cs, 137Cs, and the inventory fraction of both the F-NWT and F-FDNPP in the vertical soil profiles of Japanese cedar (continued)
Site
CW-1
CW-2
CW-3
a
Depth
(cm)
OL
0-2
2-4
4-6
6-8
8-10
10-15
15-20
20-30
OL
0-2
2-4
4-6
6-8
8-10
10-15
15-20
20-30
OL
0-2
2-4
4-6
6-8
8-10
10-15
15-20
Bulk
Density
(kg/m3)
84
263
300
350
394
405
426
470
505
71
258
296
344
389
412
432
481
493
74
253
294
342
386
402
420
462
134Cs
137Cs
(Bq kg-1)
(Bq kg-1)
Cs inventory
(Bq m-2)
134Cs
94.8 ± 4.3
65.6 ± 3.7
19.5 ± 2.5
4.8 ± 1.6
1.4 ± 0.4
1.1 ± 0.2
0.5 ± 0.1
n.d.
n.d.
155.0 ± 5.1
86.2 ± 4.2
53.6 ± 3.1
38.3 ± 2.2
8.7 ± 1.9
5.3 ± 1.5
1.7 ± 1.2
0.7 ± 0.2
n.d.
231.6 ± 6.4
102.1 ± 4.4
31.3 ± 2.8
9.2 ± 1.6
3.1 ± 1.2
2.3 ± 0.9
0.3 ± 0.1
n.d.
186.8 ± 2.6
145.7 ± 2.2
55.6 ± 1.6
27.3 ± 1.0
16.2 ± 0.5
9.3 ± 0.3
7.3 ± 0.2
2.2 ± 0.1
1.2 ± 0.1
332.3 ± 3.2
161.2 ± 2.3
110.4 ± 1.9
83.5 ± 1.3
31.8 ± 1.2
28.6 ± 1.0
14.6 ± 0.7
5.0 ± 0.2
2.4 ± 0.1
408.6 ± 4.8
191.5 ± 2.7
70.5 ± 1.8
35.9 ± 1.0
22.0 ± 0.8
19.0 ± 0.6
15.8 ± 0.2
4.6 ± 0.2
1411.6 ± 64.4
1196.1 ± 68.3
349.9 ± 45.6
96.4 ± 32.1
28.8 ± 8.2
21.3 ± 3.9
23.9 ± 4.G8
n.d.
n.d.
1379.5 ± 45.1
1263.2 ± 62,3
774.0 ± 45.5
651.1 ± 37.3
163.8 ± 36.1
105.7 ± 30.6
81.8 ± 58.7
34.9 ± 10.2
n.d.
1513.4 ± 42.3
1412.8 ± 61.5
475.5 ± 43.7
150.3 ± 26.1
55.3 ± 21.3
42.4 ± 17.6
14.3 ± 4.8
n.d.
Cs inventory
(Bq m-2)
137Cs
2723.5 ± 38.7
2658.1 ± 40.3
998.9 ± 29.3
553.1 ± 20.5
323.7 ± 10.1
238.7 ± 7.7
237.5 ± 6.5
150.9 ± 6.9
141.4 ± 12.1
2897.1 ± 28.6
2362.6 ± 34.2
1592.9 ± 27.2
1421.6 ± 22.7
597.6 ± 23.5
568.9 ± 20.3
515.2 ± 25.7
291.1 ± 12.4
228.1 ± 10.5
2615.4 ± 31.1
2649.1 ± 37.6
1071.4 ± 28.4
587.2 ± 29.2
395.4 ± 14.7
358.0 ± 11.6
327.2 ± 4.1
238.7 ± 10.5
F-FDNPP
2713.1
2301.0
673.7
185.9
55.5
41.1
46.2
n.d.
n.d.
2863.3
2199.6
1349.0
1135.8
285.9
184.7
143.1
61.1
n.d.
2610.2
2439.1
821.6
260.0
95.8
73.5
24.9
n.d.
F-NWT
10.4
357.1
325.3
367.2
268.2
197.6
191.3
150.9
141.4
33.8
163.0
243.9
285.8
311.6
384.2
372.1
230.0
228.1
5.2
210.0
249.8
327.3
299.6
284.5
302.3
238.7
Contribution
of Cs-137
(%, F-FDNPP)
99.6
86.6
67.4
33.6
17.1
17.2
19.5
n.d.
n.d.
98.8
93.1
84.7
79.9
47.9
32.5
27.8
21.0
n.d.
99.8
92.1
76.7
44.3
24.2
20.5
7.6
n.d.
Contribution
of Cs-137
(%, F-NWT)
0.4
13.4
32.6
66.4
82.9
82.8
80.5
100.0
100.0
1.2
6.9
15.3
20.1
52.1
67.5
72.2
79.0
100.0
0.2
7.9
23.3
55.7
75.8
79.5
92.4
100.0
n.d.
2.3 ± 0.1
n.d.
171.9 ± 7.5
n.d.
171.9
n.d.
100.0
20-30
471
Site representing each of the three different geological location (CF, cedar flat; CW, cedar wet; CS, cedar sloped) of Japanese cedar. All radiocesium values in the soil samples were corrected for radioactive decay.
Table 1. Depth distribution of 134Cs, 137Cs, and the inventory fraction of both the F-NWT and F-FDNPP in the vertical soil profiles of Japanese cedar
Site
Depth
(cm)
Bulk
Density
(kg/m3)
134Cs
137Cs
(Bq kg-1)
(Bq kg-1)
Cs inventory
(Bq m-2)
134Cs
Cs inventory
(Bq m-2)
137Cs
F-FDNPP
F-NWT
Contribution
of Cs-137
(%, F-FDNPP)
Contribution
of Cs-137
(%, F-NWT)
154.7 ± 6.2
314.5 ± 3.9
1471.6 ± 59.3
2930.4 ± 36.4
2852.7
77.8
97.3
2.7
OL
81
76.1
±
4.1
176.8
±
2.5
1107.2
±
60.4
2570.7
±
36.5
2148.3
422.4
83.6
16.4
0-2
261
20.9 ± 2.3
72.9 ± 1.5
313.2 ± 35.2
1091.5 ± 23.6
608.2
483.2
55.7
44.3
2-4
301
7.9 ± 1.4
45.0 ± 0.9
131.9 ± 23.4
749.7 ± 15.7
256.3
493.4
34.2
65.8
4-6
331
CS-1
3.7 ± 1.6
30.4 ± 1.0
68.5 ± 30.6
561.6 ± 19.2
133.3
428.3
23.7
76.3
6-8
382
1.7 ± 0.8
17.1 ± 0.5
31.1 ± 15.5
316.6 ± 9.3
60.7
256.0
19.2
80.8
8-10
405
0.2 ± 0.1
4.2 ± 0.2
9.9± 5.0
186.8 ± 8.9
19.3
167.5
10.3
89.7
10-15
421
n.d.
1.4 ± 0.2
n.d
64.0 ± 9.1
0.0
64.0
0.0
100.0
15-20
462
n.d.
0.4 ± 0.1
n.d
35.8 ± 9.0
0.0
35.8
0.0
100.0
20-30
482
187.0 ± 5.9
345.5 ± 3.7
2102.3 ± 66.2
3804.6 ± 41.4
3688.5
116.1
96.9
3.1
OL
76
113.6 ± 4.2
247.0 ± 2.5
1742.5 ± 64.4
3790.2 ± 38.6
3060.2
730.0
80.7
19.3
0-2
262
47.1 ± 3.1
119.8 ± 1.9
788.4 ± 52.6
2005.7 ± 32.2
1386.0
619.8
69.1
30.9
2-4
291
29.6 ± 2.8
87.0 ± 1.7
537.7 ± 51.1
1577.9 ± 31.7
946.1
631.8
60.0
40.0
4-6
331
CS-2
8.5 ± 1.6
47.1 ± 1.0
151.1 ± 28.2
835.8 ± 18.5
266.1
569.7
31.8
68.2
6-8
376
2.3 ± 0.6
31.7 ± 0.4
43.8 ± 11.3
594.5 ± 7.5
77.3
517.2
13.0
87.0
8-10
411
1.3
±
0.3
23.0
±
0.2
58.8
±
14.5
620.2
±
5.4
103.8
516.4
16.7
83.3
10-15
431
0.8
±
0.2
9.9
±
0.1
38.4
±
9.6
460.2
±
4.6
67.7
392.4
14.7
85.3
15-20
446
n.d.
1.4
±
0.1
n.d.
143.6
±
10
n.d.
143.6
n.d.
n.d.
20-30
472
136.5 ± 5.3
297.6 ± 3.7
1754.4 ± 68.2
3836.4 ± 48.2
3764.5
72.0
98.1
1.9
OL
92
41.3 ± 3.2
101.9 ± 2.2
560.9 ± 44.5
1386.0 ± 30.3
985.0
400.9
71.1
28.9
0-2
252
22.9 ± 2.4
76.4 ± 1.6
355.6 ± 37.6
1189.7 ± 25.7
625.2
564.5
52.5
47.5
2-4
300
14.2 ± 1.6
60.9 ± 1.0
241.0 ± 27.7
1034.9 ± 17.7
424.0
610.9
41.0
59.0
4-6
340
CS-3
7.6 ± 1.3
46.5 ± 0.9
146.8 ± 25.5
902.4 ± 18.3
258.5
644.0
28.6
71.4
6-8
387
4.8 ± 1.2
37.7 ± 0.8
96.7 ± 24.2
753.2 ± 16.4
170.5
582.7
22.6
77.4
8-10
424
1.9 ± 0.6
26.4 ± 0.4
94.1 ± 30.6
752.5 ± 11.1
160.0
586.4
21.3
77.9
10-15
429
n.d.
6.7 ± 0.2
n.d.
323.2 ± 9.6
n.d.
323.2
n.d.
100.0
15-20
456
n.d.
n.d.
n.d.
n.d.
n.d.
n.d.
n.d.
n.d.
20-30
463
a Site representing each of the three different geological location (CF, cedar flat; CW, cedar wet; CS, cedar sloped) of Japanese cedar. All radiocesium values in the soil samples were corrected for radioactive decay.