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*Event deposits recorded in coastal lowland on the southern part of Akita Prefecture, the eastern margin ofJapan Sea by Takanobu Kamataki, Norifumi Abe, Shin Kanazawa and Hideo Matsutomi

11983 5 26 79

1986 1983

1833

2002 2002

1804

1986 1804

2013

10m

2015 1C NK1

3

2

100 400m

2 3m 2015

1東北地域災害科学研究 第53巻(2017)

1 2013

2002 2002

2013 A+B+C

5 10m

1

A B C B

25,000 C 1 1 1976

CTO769-C4A-4 1 8 NK1

2015

30mm 2002

2

1 2m 8 1

Beta Analytic IntCal13

Reimer et al., 2013 Beta Analytic BETACAL

3

2m

2 5 2

2 2 5 E1 E2

2 0.3m

0.38 0.81m 1.02 1.27m

3

E1 E2 E1 E2

2 2 30m 5 2

2 E1 0.43 0.68m E2 0.87 0.96m

2 5 E1 E2 5

2 2

42

2 3 3

E1 E2

3 E1 E2

2 E1 E2 1

2

3

4

4

1988

3 E1

1 7 E2 1 5 3

E1 E2 1 3

1 AMS 14C

(GL- m) Lab. ID (yr BP) 13C (‰) (2 95%)

111202071-1 0.71E1

Beta-454471 540 ± 30 -25.8 AD 1320 - 1350AD 1390 - 1435

111202085 0.85E2

Beta-454473 750 ± 30 -25.9 AD 1225 - 1285

111202097 0.97E2

Beta-454474 850 ± 30 -27.5 AD 1155 - 1255

E1 14 15

E2 1200

E1 E2

13 15 2013

2016

25 60km 700 800 1000

1100 2

E1 2015 En1

E2 2015

5

2

5

28

553pp. 2013

1983

933p 1986

1804 61 143-

157 1986

pp.155-165 2002

54 pp.129-138 2015

pp.175-185 2002

Reimer, P. J., Bard, E., Bayliss, A., Beck, J. W., Blackwell, P. G., Bronk Ramsey, C., Buck, C. E., Cheng,

H., Edwards, R. L., Friedrich, M., Grootes, P. M., Guilderson, T. P., Haflidason, H., Hajdas, I., Hatte,

C., Heaton, T. J., Hoffmann, D. L., Hogg, A. G., Hughen, K. A., Kaiser, K. F., Kromer, B., Manning,

S. W., Niu, M., Reimer, R. W., Richards, D. A., Scott, E. M., Southon, J. R., Staff, R. A., Turney, C.

S. M., and van der Plicht, J.: IntCal13 and Marine13 radiocarbon age calibration curves, 0-50,000

years cal BP, Radiocarbon, 55, pp.1869-1887, 2013.

7 pp.438-440 1988

Handy Geoslicer 579 pp.12-18 2002

599-2012 pp.694

2013

2 122 637-652 2016

6

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