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List of works by Urumu Tsunogai

A geochemical study on mud volcanoes in the Junggar Basin, China

article

A multi-isotope study of deep-sea mussels at three different hydrothermal vent sites in the northwestern Pacific

scientific article published in September 2008

A selective unsaturated hydrocarbon subtraction technique for stable carbon isotopic analysis of atmospheric methyl chloride, methyl bromide, and C2-C5 saturated hydrocarbons using continuous-flow isotope ratio mass spectrometry

scientific article published on 01 January 2005

A simple method for oxygen-18 determination of milligram quantities of water using NaHCO3 reagent

scientific article published on 01 January 2003

An analytical system for determining delta17O in CO2 using continuous flow-isotope ratio MS

scientific article published on 01 July 2005

Biogeochemical signals from deep microbial life in terrestrial crust

scientific article published on 17 December 2014

Cell proliferation at 122 degrees C and isotopically heavy CH4 production by a hyperthermophilic methanogen under high-pressure cultivation

scientific article

Chemical characteristics of newly discovered black smoker fluids and associated hydrothermal plumes at the Rodriguez Triple Junction, Central Indian Ridge

Chemical composition of hydrothermal fluids in the central and southern Mariana Trough backarc basin

article

Deep microbial life in high-quality granitic groundwater from geochemically and geographically distinct underground boreholes.

scientific article published on 7 January 2016

Deep-biosphere methane production stimulated by geofluids in the Nankai accretionary complex.

scientific article published on 13 June 2018

Determination of the 15N/14N, 17O/16O, and 18O/16O ratios of nitrous oxide by using continuous-flow isotope-ratio mass spectrometry.

scientific article published in May 2008

Disturbance of deep-sea environments induced by the M9.0 Tohoku Earthquake ⬇️

scientific article published on February 16, 2012

Diversity and function of epibiotic microbial communities on the galatheid crab, Shinkaia crosnieri.

scientific article

Dual stable isotope characterization of excess methane in oxic waters of a mesotrophic lake

scientific article published in 2020

Ecological and genomic profiling of anaerobic methane-oxidizing archaea in a deep granitic environment.

scientific article published on 8 September 2017

Electrochemical stimulation of microbial reductive dechlorination of pentachlorophenol using solid-state redox mediator (humin) immobilization.

scientific article published on 5 May 2014

Equilibrator inlet-proton transfer reaction-mass spectrometry (EI-PTR-MS) for sensitive, high-resolution measurement of dimethyl sulfide dissolved in seawater.

scientific article published in November 2009

Export flux of unprocessed atmospheric nitrate from temperate forested catchments: a possible new index for nitrogen saturation

scientific article published in 2018

Flux and distribution of methane (CH4) in the Gunsan Basin of the southeastern Yellow Sea, off the Western Korea.

scientific article

Formation of gas discharging from Taketomi submarine hot spring off Ishigaki Island in the southern Ryukyu Islands, Japan

article

Gas Chemistry of Pore Fluids from Oomine Ridge on the Nankai Accretionary Prism

Geochemical and microbiological evidence for a hydrogen-based, hyperthermophilic subsurface lithoautotrophic microbial ecosystem (HyperSLiME) beneath an active deep-sea hydrothermal field.

scientific article published on 9 April 2004

Geochemical characteristics of hydrothermal fluids at Hatoma Knoll in the southern Okinawa Trough

Geomicrobiological properties of ultra-deep granitic groundwater from the Mizunami Underground Research Laboratory (MIU), central Japan.

scientific article published on 15 May 2010

Helium and methane sources and fluxes of shallow submarine hydrothermal plumes near the Tokara Islands, Southern Japan

scientific article

Iron-Based Microbial Ecosystem on and Below the Seafloor: A Case Study of Hydrothermal Fields of the Southern Mariana Trough

scientific article (publication date: 2012)

Mass occurrence of the enigmatic gastropod Elmira in the Late Cretaceous Sada Limestone seep deposit in southwestern Shikoku, Japan

scientific article published in 2016

Megacities and large urban agglomerations in the coastal zone: interactions between atmosphere, land, and marine ecosystems

scientific article

Methane, manganese, and helium-3 in newly discovered hydrothermal plumes over the Central Indian Ridge, 18°-20°S

Methanogens in H 2 -rich hydrothermal fluids resulting from phase separation in a sediment-starved, basalt-hosted hydrothermal system

scholarly article

Microbial community in a sediment-hosted CO2 lake of the southern Okinawa Trough hydrothermal system

scientific article published on 07 September 2006

Molecular phylogenetic and chemical analyses of the microbial mats in deep-sea cold seep sediments at the northeastern Japan Sea.

scientific article published on 27 April 2006

Nitrogen isotopes in intra-crystal coralline aragonites

scholarly article

Novel microbial populations in deep granitic groundwater from Grimsel Test Site, Switzerland.

scientific article

Precursory chemical changes in ground water: kobe earthquake, Japan.

scientific article

Quantifying the effects of clear-cutting and strip-cutting on nitrate dynamics in a forested watershed using triple oxygen isotopes as tracers

scientific article published in 2014

Sensitive determinations of stable nitrogen isotopic composition of organic nitrogen through chemical conversion into N2O.

scientific article published in January 2008

Simultaneous determination of delta(15)N and delta(18)O of N2O and delta(13)C of CH4 in nanomolar quantities from a single water sample

scientific article published on 01 April 2010

Spatial and temporal variations of gas geochemistry at Mt. Ontake, Japan

scholarly article by Takanori Kagoshima et al published October 2016 in Journal of Volcanology and Geothermal Research

Stable carbon and oxygen isotopic analysis of atmospheric carbon monoxide using continuous-flow isotope ratio MS by isotope ratio monitoring of CO.

scientific article published in November 2002

Stable carbon and oxygen isotopic determination of sub-microgram quantities of CaCO3 to analyze individual foraminiferal shells.

scientific article published on January 2004

Stable hydrogen isotopic analysis of nanomolar molecular hydrogen by automatic multi-step gas chromatographic separation

scientific article published on 01 November 2011

Stable isotopic evidence for the excess leaching of unprocessed atmospheric nitrate from forested catchments under high nitrogen saturation

scientific article published in 2023

Strong relationship between dimethyl sulfide and net community production in the western subarctic Pacific

article

Theoretical and experimental evaluation of the isotope effect of NDIR analyzer on atmospheric CO2measurement

scientific article published in 2009

Tracing atmospheric nitrate in groundwater using triple oxygen isotopes: evaluation based on bottled drinking water

scientific article published in 2013

Tracing the source of nitrate in a forested stream showing elevated concentrations during storm events

scientific article published in 2022

Unique distribution of deep groundwater bacteria constrained by geological setting

scientific article published on 15 October 2009

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