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Goto-Azuma, K. https://orcid.org/0000-0003-0992-1079

Hirabayashi, M.

Motoyama, H. https://orcid.org/0000-0003-2533-320X

Miyake, T.

Kuramoto, T. https://orcid.org/0000-0002-3044-8127

Uemura, R. https://orcid.org/0000-0002-4236-0085

Igarashi, M.

Iizuka, Y.

Sakurai, T. https://orcid.org/0000-0002-9943-361X

Horikawa, S.

Suzuki, K. https://orcid.org/0000-0001-6092-7041

Suzuki, T. https://orcid.org/0000-0002-0069-2161

Fujita, K. https://orcid.org/0000-0003-3753-4981

Kondo, Y. https://orcid.org/0000-0002-5164-3861

Hattori, S. https://orcid.org/0000-0002-4438-5462

Fujii, Y.

Funding for this research was provided by:

Ministry of Education, Culture, Sports, Science and Technology (KAKENHI 15101001)

Ministry of Education, Culture, Sports, Science and Technology (KAKENHI 21221002)

Ministry of Education, Culture, Sports, Science and Technology (KAKENHI 15H01731)

Ministry of Education, Culture, Sports, Science and Technology (KEKENHI 17H06316)

National Institute of Polar Research

Text and Data Mining valid from 2019-07-19

Version of Record valid from 2019-07-19