Research articles
Research articles: Biogeosciences
Published: December 11, 2025
Estimation of methane emissions from inundated areas in northern Eurasia using a process-based model and remotely sensed inundation dynamics data
Akihiko Ito, Hirokli Mizuochi, Tetsuya Hiyama
Research articles: Atmospheric and hydrospheric sciences
Published: December 6, 2025
Latitudinal gradient of brown carbon aerosols from the western north Pacific to the Arctic
Chunmao Zhu, Fumikazu Taketani, Takuma Miyakawa, Masayuki Takigawa, Yugo Kanaya
Research articles: Biogeosciences
Published: December 4, 2025
Nitrogen and carbon flows in a microbial mat involving anaerobic oxidation of methane in northwestern Black Sea: Perspectives from nitrogen and carbon isotopic composition of coenzyme F430 and its biosynthetic pathway
Masanori Kaneko; Yoshinori Takano; Yuta Isaji; Nanako O Ogawa; Yoshito Chikaraishi; Naoto F. Ishikawa; Hiroyuki Imachi; Yoshihiro Takaki; Miyuki Ogawara; Fumie Kabashima; Martin Krüger; Naohiko Ohkouchi
Research articles: Biogeosciences
Published: December 4, 2025
An Improved Narrower-Diameter EA/IRMS Method with a Built-in Desulfurization Reactor: Optimization for Nitrogen and Carbon Measurement without Sulfur Matrix Interference
Yohei Matsui, Wataru Fujisaki, Takahiro Aze, Toshihiro Miyajima, Shinsuke Kawagucci, Eiji Tasumi, Masahiro Yamamoto, Yoshinori Takano, Tomohiro Toki
Research articles: Solid earth sciences
Published: December 3, 2025
Application of structured geological maps to prediction of landslide occurrence based on statistical mechanics
Kazuhiro Miyazaki, Hiroki Mizuochi
Research articles: Atmospheric and hydrospheric sciences
Published: November 26, 2025
Seasonal and interannual variations in local minimum sea surface temperature and maximum chlorophyll-a around the Savu Sea, Indonesia
Florence Mila Purnomo Sie, Sayaka Yasunaka, Anindya Wirasatriya
Research articles: Biogeosciences
Published: November 20, 2025
Diel and daily changes of water mass structure and biogeochemical processes in early spring in the western subtropical North Pacific
Chiho Sukigara, Taichi Yokokawa, Akiko Makabe, Kaho Mori, Yu Nakajima, Shinya Kouketsu, Eiji Tasumi, Masumi Hasegawa-Takano, Naoto F Ishikawa, Chunqi Jiang, Siyu Jiang, Riku Miyase, Satoshi Nishino, Youta Sugai, Kento Tominaga, Hiroshi Uchida, Yu Yoshida, Susumu Yoshizawa, Shinsuke kawagucci
Research articles: Atmospheric and hydrospheric sciences
Published: November 12, 2025
Simultaneous observations of atmospheric IO radical, O3, and sea surface iodide over the tropical western Pacific warm pool: strong correlation of IO levels with estimated inorganic iodine fluxes
Hisahiro TAKASHIMA, Yugo Kanaya, Yoko Iwamoto, Kazuhiko Takeda, Takashi Sekiya, Fumikazu Taketani, Martina M Friedrich, Michel Van Roozendael, Atsushi Ooki, Takuma Miyakawa, Shin-Ya Ogino, Masaki Katsumata
Research articles: Atmospheric and hydrospheric sciences
Published: November 6, 2025
Modeling the effects of vegetation growth rate on the dynamics of alternate bars
Pawat Wattanachareekul, Takuya Inoue, Joel P. L. Johnson
Research articles: Solid earth sciences
Published: October 30, 2025
Quantifying fault damage zone properties using geological and geophysical data along the Median Tectonic Line, Southwest Japan
Hideto Uchida, Yoshitaka Hashimoto, Michiharu Ikeda, Takeshi Tsuji, Kozo Onishi, Naoki Nishizaka