Gas Hydrate Estimates in Muddy Sediments from the Oxygen Isotope of Water Fraction

Accepted Manuscript

Gas hydrate estimates in muddy sediments from the oxygen isotope of water fraction

Akihiro Kano, Reina Miyahara, Katsunori Yanagawa, Taiki Mori, Satoko Owari, Hitoshi Tomaru, Yoshihiro Kakizaki, Glen Snyder, Takaya Shimono, Yoshihiro Kakuwa, Ryo Matsumoto

PII: S0009-2541(17)30472-2 DOI: doi: 10.1016/j.chemgeo.2017.08.027 Reference: CHEMGE 18455 To appear in: Chemical Geology Received date: 16 February 2017 Revised date: 18 August 2017 Accepted date: 24 August 2017

Please cite this article as: Akihiro Kano, Reina Miyahara, Katsunori Yanagawa, Taiki Mori, Satoko Owari, Hitoshi Tomaru, Yoshihiro Kakizaki, Glen Snyder, Takaya Shimono, Yoshihiro Kakuwa, Ryo Matsumoto , Gas hydrate estimates in muddy sediments from the oxygen isotope of water fraction, Chemical Geology (2017), doi: 10.1016/ j.chemgeo.2017.08.027

This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. ACCEPTED MANUSCRIPT

Gas hydrate estimates in muddy sediments from the oxygen isotope of water fraction

Akihiro Kano1*, Reina Miyahara2, Katsunori Yanagawa3, Taiki Mori2, Satoko Owari4, Hitoshi Tomaru4, Yoshihiro Kakizaki5, Glen Snyder5, Takaya Shimono5, Yoshihiro Kakuwa5, Ryo Matsumoto5

1) Department of Earth and Planetary Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan 2) Graduate School of Social and Cultural Studies, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan 3) Faculty of Environmental Engineering, The University of Kitakyushu, 1-1 Hibikino. Wakamatsu-ku, Kitakyushu 808-0135, Japan 4) Department of Earth Sciences, Chiba University, 1-33, Yayoi-cho, Inage-ku, Chiba 263-8522, Japan 5) Gas Hydrate Research Laboratory, Meiji University, 1-1 Kanda-Surugadai Chiyoda-ku Tokyo 101-8301 Japan *corresponding author: [email protected]