広域環境モニタリングのための航空機を用いた 放射性物質拡散状況調査

JAEA-Technology 2012-036
Fig. 4-19 Histogram of BG-index at MEXT-3 .............................................................................. 36
Fig. 4-20 Histogram of BG-index at OYO .................................................................................... 36
Fig. 4-21 Example for Cs-index in MEXT-1 ................................................................................ 36
Fig. 4-22 Example for histogram of Cs-index in MEXT-1 ........................................................... 37
Fig. 4-23 Count rate of cosmic-ray above sea ............................................................................... 37
Fig. 4-24 Count rate of Rn-progeny above sea ............................................................................. 38
Fig. 4-25 CF in (g/cm 2 ) .............................................................................................................. 39
Fig. 4-26
134 137
Cs/ Cs and A ........................................................................................................... 39
Fig. 4-27 Value of BGself each prefecture ...................................................................................... 41
Fig. 4-28 Relationship of AF and altitude ..................................................................................... 42
Fig. 4-29 Detection limit of radiocesium count rate ..................................................................... 43
Fig. 4-30 Detection limit of radiocesium deposition (kBq/m 2 ) ..................................................... 43
Fig. 4-31 Methods of mapping ...................................................................................................... 44
Fig. 4-32 Parameter of IDW method ............................................................................................. 45
Fig. 4-33 Comparison of map by approximate interpolation method ........................................... 46
Fig. 5-1 Dose rate of Japan (This result includes the influence of natural radioactive nuclides.) ... 49
Fig. 5-2 Deposition of 134 Cs in Japan .............................................................................................. 51
Fig. 5-3 Deposition of 137 Cs in Japan .............................................................................................. 53
Fig. 5-4 Deposition of 134 Cs+ 137 Cs in Japan ................................................................................... 55
Fig. 6-1 Comparison of ARMS and ground survey ........................................................................ 57
Fig. 6-2 Comparison of ARMS and In-situ Ge measurement ......................................................... 58
Fig. 6-3 Comparison of summer 2011 and spring 2012 in ambient Fukushima Dai-ichi NPP ....... 59
Fig. 6-4 Histogram of summer 2011 and spring 2012 in North Ibaraki .......................................... 59
Fig. 6-5 Comparison of 4 th /3 rd in Fukushima (inside 80km from Fukushima Dai-ichi NPP) ......... 60
Fig. 6-6 Histogram of 3 rd /4 th in Fukushima (inside 80km from Fukushima Dai-ichi NPP) ............ 61
Fig. 6-7 Examples of 3D map ......................................................................................................... 62
Fig. 6-8 Distribution of radiocesium inventory each altitude 20 m ................................................ 63
Fig. 6-9 Distribution map of the radiocesium at an altitude above sea ........................................... 63
Fig. 6-10 Ratio map of 2012 / 2011 results in ambient Fukushima Dai-ichi NPP ........................ 64
Fig. 6-11 Contrast with a geologic map (Hokkaido) ..................................................................... 68
Fig. 6-12 Contrast with a geologic map (Tohoku) ........................................................................ 71
Fig. 6-13 Contrast with a geologic map (Kanto) ........................................................................... 73
Fig. 6-14 Contrast with a geologic map (Chubu) .......................................................................... 75
Fig. 6-15 Contrast with a geologic map (Kinki) ........................................................................... 77
Fig. 6-16 Contrast with a geologic map (Chugoku) ...................................................................... 80
Fig. 6-17 Contrast with a geologic map (Shikoku) ....................................................................... 82
Fig. 6-18 Contrast with a geologic map (Kyusyu) ........................................................................ 85
Fig. 6-19 Contrast with a geologic map (Nansei-Shotou) ............................................................. 87
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