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Ryuichi Shinjo

University of the Ryukyus

36H-index
226Paper Count
7.0KCitation Count
Published Papers 37
Publication Date
Linking coral stress to groundwater phosphorus loading: a model-based novel framework for water resource management and coral reef protection
err2026-09-23
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errOAAI
errChris Leong; Ko Yasumoto; Christian Langevin; Takahiro Hosono; Mariko Iijima; Daiki Kadotani Tomojiri; Ryusei Minami; Alice Yamazaki; Bam H.N. Razafindrabe; Ryuichi Shinjo; Makoto Taniguchi; Jun Yasumoto
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Quantitative assessment of denitrification rates at the freshwater-saltwater interface of a limestone Island based on isotopic tracers and mass balance calculation
err2026-03-12
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PREAI
errTakahiro Hosono; Takatomo Ikehara; Jun Yasumoto; Yasuyuki Ueji; Ko Yasumoto; Ryogo Takada; Hiroki Yamamoto; Adina Paytan; Ryuichi Shinjo
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Importance of pumiceous sediment in influencing chemistry of hydrothermal fluids in Okinawa Trough: insights from boron isotopic ratios
err2025-12-24
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errOAAI
errTomohiro Toki; Naoya Ebina; Yuki Mitsutome; Ke-Han Song; Ryuichi Shinjo; Jun-ichiro Ishibashi; Shinsuke Kawagucci
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Penultimate glacial sea surface temperature and hydrologic variability in the tropical South Pacific from 150 ka Tahiti corals
err2025-12-02
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errOAAI
errAsami, Ryuji; Felis, Thomas; Shinjo, Ryuichi; Murayama, Masafumi; Iryu, Yasufumi
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Sedimentary record of submarine gravity-flow events in the southern Ryukyu forearc during the last 200 000 years: archive of mega-earthquakes and tsunamis
err2025-08-31
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errOAAI
errNathalie Babonneau; Gueorgui Ratzov; Charlotte Guerin; Mira Richa; Serge Lallemand; Michel Condomines; Patrick Bachelery; Delphine Bosch; Shu-Kun Hsu; Chih-Chieh Su; Ryuichi Shinjo; Andrew Lin; Maria-Angela Bassetti; Marie Revel; Antonio Cattaneo; the EAGER Scientific Team
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Origin of Neoproterozoic anorthosites in the Wadi El Dib ultramafic-mafic layered intrusions, Egypt
err2025-06-01
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PREAI
errEliwa, H. A.; Deevsalar, R.; Mahdy, N. M.; Pan, Y.; El-Gameel, Kh.; El-Desouky, H. A.; Khamis, H.; Murata, M.; Andresen, A.; Chew, D.; El Sundolly, H.; Fawzy, M. M.; Kato, Y.; Fujinaga, K.; Shin, K. -c.; Shinjo, R.
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Coral Decline Linked to Exchangeable Phosphate in Seawater from Coastal Calcareous Sediments, as Evidenced in Sekisei Lagoon, Japan
err2025-03-04
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PREAI
errYasumoto, Jun; Iijima, Mariko; Iguchi, Akira; Nakamura, Takashi; Takada, Ryogo; Yasumoto-Hirose, Mina; Iwasaki, Yuichi; Yasutaka, Tetsuo; Mori-Yasumoto, Kanami; Shinjo, Ryuichi; Ide, Ryota; Yamazaki, Alice; Mizusawa, Nanami; Ohno, Yoshikazu; Suzuki, Atsushi; Watabe, Shugo; Yasumoto, Ko
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Geochemistry of late Miocene-Pleistocene basalts from a coastal area of Vietnam: Implication for small-scale mantle heterogeneities
err2025-03-01
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PREAI
errHoang, Nguyen; Huong, Tran Thi; Shinjo, Ryuichi; Anh, Le Duc; Luong, Le Duc; Pha, Phan Dong
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Metagenomic analysis of the microbial communities and associated network of nitrogen metabolism genes in the Ryukyu limestone aquifer
err2024-02-22
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errOAAI
errMaruyama, Rio; Yasumoto, Ko; Mizusawa, Nanami; Iijima, Mariko; Yasumoto-Hirose, Mina; Iguchi, Akira; Hermawan, Oktanius Richard; Hosono, Takahiro; Takada, Ryogo; Song, Ke-Han; Shinjo, Ryuichi; Watabe, Shugo; Yasumoto, Jun
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Mechanism of denitrification in subsurface-dammed Ryukyu limestone aquifer, southern Okinawa Island, Japan
err2024-02-01
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PREAI
errHermawan, Oktanius Richard; Hosono, Takahiro; Yasumoto, Jun; Yasumoto, Ko; Song, Ke-Han; Maruyama, Rio; Iijima, Mariko; Yasumoto-Hirose, Mina; Takada, Ryogo; Hijikawa, Kento; Shinjo, Ryuichi
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Effective use of farmland soil samples for N and O isotopic source fingerprinting of groundwater nitrate contamination in the subsurface dammed limestone aquifer, Southern Okinawa Island, Japan
err2023-04-01
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PREAI
errHermawan, Oktanius Richard; Hosono, Takahiro; Yasumoto, Jun; Yasumoto, Ko; Song, Ke-Han; Maruyama, Rio; Iijima, Mariko; Yasumoto-Hirose, Mina; Takada, Ryogo; Hijikawa, Kento; Shinjo, Ryuichi
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Effect of groundwater residence time on geogenic fluoride release into groundwater in the Mt. Meru slope area, Tanzania, the Great Rift Valley, East Africa
err2023-02-01
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PREAI
errNakaya, Shinji; Takada, Ryogo; Yasumoto, Jun; Masuda, Harue; Yoshitani, Junichi; Shinjo, Ryuichi; Lugodisha, Innocent; Komakech, Hans
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Development and Application of an Environmental Education Tool (Board Game) for Teaching Integrated Resource Management of the Water Cycle on Coral Reef Islands
err2022-12-10
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errOAAI
errShimabukuro, Miyuki; Toki, Tomohiro; Shimabukuro, Hitoshi; Kubo, Yoshiaki; Takahashi, Soyo; Shinjo, Ryuichi
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Sr isotopic ratios of hydrothermal fluids from the Okinawa Trough and the implications of variation in fluid-sediment interactions
err2022-11-08
err6
errOAAI
errToki, Tomohiro; Nohara, Tasuku; Urata, Yoshiaki; Shinjo, Ryuichi; Hokakubo-Watanabe, Shuko; Ishibashi, Jun-ichiro; Kawagucci, Shinsuke
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Last glacial temperature reconstructions using coupled isotopic analyses of fossil snails and stalagmites from archaeological caves in Okinawa, Japan
err2021-11-09
err4
errOAAI
errAsami, Ryuji; Hondo, Rikuto; Uemura, Ryu; Fujita, Masaki; Yamasaki, Shinji; Shen, Chuan-Chou; Wu, Chung-Che; Jiang, Xiuyang; Takayanagi, Hideko; Shinjo, Ryuichi; Kano, Akihiro; Iryu, Yasufumi
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Reconstruction of ocean environment time series since the late nineteenth century using sclerosponge geochemistry in the northwestern subtropical Pacific
err2021-06-28
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errOAAI
errAsami, Ryuji; Matsumori, Taketo; Shinjo, Ryuichi; Uemura, Ryu; Miyaoka, Yuki; Mizuyama, Masaru; Ise, Yuji; Sakamaki, Takashi
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Evaluation of geochemical records as a paleoenvironmental proxy in the hypercalcified demosponge Astrosclera willeyana
err2020-05-12
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errOAAI
errAsami, Ryuji; Kinjo, Akira; Ohshiro, Daiki; Naruse, Tohru; Mizuyama, Masaru; Uemura, Ryu; Shinjo, Ryuichi; Ise, Yuji; Fujita, Yoshihisa; Sakamaki, Takashi
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Spatial variations in dissolved rare earth element concentrations in the East China Sea water column
err2018-09-01
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PREAI
errLuong, Le Duc; Shinjo, Ryuichi; Hoang, Nguyen; Shakirov, Renat B.; Syrbu, Nadezhda
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