Paper on the origin of methane-rich gases at West Pacific convergent plate boundary

Here we go with a new article on the origin of methane-rich gases:

Sano, Y., Kinoshita, N., Kagoshima, T., Takahata, N., Sakata, S., Toki, T., Kawagucci, S., Waseda, A., Lan, T., Wen, H., Chen, A., Lee, H., Yang, T. F., Zheng, G., Tomonaga, Y., Roulleau, E., & Pinti, D. L. (2017). Origin of methane-rich natural gas at the West Pacific convergent plate boundary. Sci. Rep., 7, 15646, doi:10.1038/s41598-017-15959-5.

Thanks to Prof. Sano and all the co-authors!

Tritium emission related to the Fukushima Dai-ichi nuclear accident

Our manuscript on the tritium release form the Fukushima Dai-ichi nuclear accident just appeared on-line:

Takahata, N., Tomonaga, Y., Kumamoto, Y., Yamada, M., & Sano, Y. (2018). Direct tritium emissions to the ocean from the Fukushima Dai-ichi nuclear accident. Geochem. J., 52, doi:10.2343/geochemj.2.0499.

Thank to Prof. Takahata (Atmosphere and Ocean Research Institute, The University of Tokyo) for leading the manuscript preparation!

Diatoms and paleosalinity in Lake Van during MIS5e and MIS7e

Our recent reconstruction of paleosalinity (and the related lake levels) using the diatom record from Lake Van is available on-line:

North, S. M., Stockhecke, M., Tomonaga, Y., & Mackay, A. W. (2017). Analysis of a fragmentary diatom record from Lake Van (Turkey) reveals substantial lake-level variability during previous interglacials MIS7 and MIS5e. J. Paleolimnol., doi:10.1007/s10933-017-9973-z.

Thanks to Sam, Mona, and Ans for this fruitful collaborative work!