ニュース

A new research article ： Published 11 March 2026
Discrepancies between feeding ecology and trophic position based on nitrogen isotopic composition in endosymbiont-bearing benthic foraminifers
Ayumi Maeda, Yuichi I. Naito, Masashi Tsuchiya, Yoshito Chikaraishi, Kazuhiko Fujita, Naohiko Ohkouchi & Hodaka Kawahata

This article has been published as a part of the SPEPS collection
“Earth, Isotopes and Organics”

A new research article ： Published 9 March 2026
Tracing terrestrial nitrogen contributions to the salt marsh food web of the Obitsu River estuary in Tokyo Bay using compound-specific δ15N analysis of amino acids
Satoshi Furota, Naoto F. Ishikawa, Nanako O. Ogawa, Toshio Furota & Naohiko Ohkouchi
This article has been published as a part of the SPEPS collection
“Earth, Isotopes and Organics”

A new research article ： Published 4 March 2026
Multi-technique SAR coseismic deformation retrieval and fault modeling of the 2025 Mw 7.7 Myanmar earthquake
Valerio Ruocco, Silvia Puliero, Simone Atzori, Cristiano Tolomei, Andrea Antonioli, Marco Polcari, Matteo Albano, Marco Moro, Salvatore Stramondo, Michele Saroli, Pasquale Striano, Fernando Monterroso, Manuela Bonano, Francesco Casu, Claudio De Luca & Riccardo Lanari

A new research article ： Published 4 March 2026
UAV-based magnetic survey for detecting hydrothermal alteration zones relevant to landslides: A case study at Aso Volcano, Japan
Shigeo Okuma, Ayumu Miyakawa, Hikari Yonekura, Keiichi Sakaguchi, Hideo Hoshizumi, Tomoya Abe, Daisaku Kawabata, Yoshinori Miyachi & Nobuo Matsushima

A new research article ： Published 28 February 2026
Wave-driven ocean currents: how the conservative effects of Stokes transport induce large-scale currents
Yasushi Fujiwara, Yoshimasa Matsumura & Hitoshi Tamura

A new Review article ： Published 27 February 2026
Interconnected hydroclimatic shifts in Northern Eurasia: decadal variability and the impact of Arctic change
Yoshihiro Iijima, Tomonori Sato, Ayumi Kotani, Hotaek Park, Yoshihiro Tachibana & Tetsuya Hiyama

This article has been published as a part of the SPEPS collection
“Water-carbon cycles and terrestrial changes in the Arctic and subarctic regions”

A new research article ： Published 25 February 2026
Reassessing the origin of organic compounds in Mariana forearc serpentinite mud volcanoes: insights from isotopologue and molecular signatures
Koudai Taguchi, Shinsuke Kawagucci, Alexis Gilbert, Yuichiro Ueno, Yohei Matsui, Yoshinori Takano, Eiji Tasumi, Masayuki Miyazaki, Akiko Makabe, Junichi Miyazaki, Hikaru Sawada, Naoto Takahata & Ken Takai

This article has been published as a part of the SPEPS collection
“Earth, Isotopes and Organics”

A new research article ： Published 15 February 2026
Trans-Pacific Saharan dust recorded in Mount Logan ice core
Kana Nagashima, Kumiko Goto-Azuma, Akinori Ito, Motohiro Hirabayashi, Takayuki Shiraiwa, Sumito Matoba, Takahiro Segawa, Syosaku Kanamori & Naoko Nagatsuka
This article has been published as a part of the SPEPS collection
”Biogeochemical Studies on Atmosphere, Ocean, and their Interaction in the western North Pacific region”

A new research article ： Published 14 February 2026
Ocean acidification and changes in biological production in the western subarctic region of the North Pacific over the quarter century, 1999–2023
Masahide Wakita, Akira Nagano, Hiroshi Uchida, Yoshiyuki Nakano, Katsunori Kimoto, Masahito Shigemitsu, Kana Nagashima, Fumikazu Taketani, Tetsuichi Fujiki, Maki Noguchi-Aita, Kosei Sasaoka, Tsuneo Ono & Toshihiko Takemura
This article has been published as a part of the SPEPS collection
”Biogeochemical Studies on Atmosphere, Ocean, and their Interaction in the western North Pacific region”

A new research article ： Published 06 February 2026
Source estimation of the 1703 Genroku tsunami through geological surveys and numerical simulations on Hachijo Island
Hiroko Kaida, Takashi Ishizawa, Hideaki Yanagisawa, Haruki Imura, Kaoru Hayashi, Kazuhisa Goto