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Massive gas hydrates buried on Umitaka Spur in the Sea of Japan: description, origin, and significance to methane cycling in marine sediment

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All data generated or analyzed during this study are included in this published article.

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Acknowledgements

We appreciate the captains, crews, and scientific parties of HR14 and PS15 cruises. This study was conducted under the commission from the National Institute of Advanced Industrial Science and Technology (AIST) as part of the methane hydrate research project funded by the Ministry of Economy, Trade and Industry, Japan (METI). We also appreciate the fruitful suggestions and comments from Professor M.-A. Bassetti (University of Perpignan, editor), an anonymous reviewer, Professor G.R. Dickens (Trinity College, reviewer 2), and Dr. K. Suzuki (AIST). After the cruises, Dewar containers containing liquid nitrogen were handled by Ms. N. Sekine and Ms. R. Warabi (both, Meiji University). We acknowledge Editage (www.editage.jp) for English language editing.

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Ministry of Economy,Trade and Industry

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Contributions

All authors contributed to the conception and design of the study. Funding was acquired and managed by RM. AH performed material preparation, data collection, and analysis. The first draft of the manuscript was written by AH, and all authors commented on the previous versions of the manuscript. All authors have read and approved the final manuscript.

Corresponding author

Correspondence to Akihiro Hiruta.

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Competing interest

Our research interest for the last 3 years has been understanding the process of development of massive gas hydrates. We aimed to elucidate the internal structure of the gas hydrates. This study, including the sampling process, was conducted under the commission from the National Institute of Advanced Industrial Science and Technology (AIST) as part of the methane hydrate research project funded by the Ministry of Economy, Trade and Industry, Japan (METI). This study was based on the occasional findings obtained during computer tomography of gas hydrates, which differed from the interest of the project. Therefore, we obtained permission for publication from the METI.

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Hiruta, A., Matsumoto, R. Massive gas hydrates buried on Umitaka Spur in the Sea of Japan: description, origin, and significance to methane cycling in marine sediment. Geo-Mar Lett 42, 13 (2022). https://doi.org/10.1007/s00367-022-00735-w

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  • DOI: https://doi.org/10.1007/s00367-022-00735-w

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