List of works - Toshinobu Machida

A 4D-Var inversion system based on the icosahedral grid model (NICAM-TM 4D-Var v1.0) – Part 1: Offline forward and adjoint transport models

scientific article published in 2017

A 4D-Var inversion system based on the icosahedral grid model (NICAM-TM 4D-Var v1.0): 1. Off-line forward and adjoint transport models

A comprehensive estimate of recent carbon sinks in China using both top-down and bottom-up approaches

scientific article

A global synthesis inversion analysis of recent variability in CO2 fluxes using GOSAT and in situ observations

scholarly article

Algorithm update of the GOSAT/TANSO-FTS thermal infrared CO2 product (version 1) and validation of the UTLS CO2 data using CONTRAIL measurements

Analysis of seasonality and annual mean distribution of atmospheric potential oxygen (APO) in the Pacific region

Assessing Lagrangian inverse modelling of urban anthropogenic CO2 fluxes using in situ aircraft and ground-based measurements in the Tokyo area

scientific article published on 17 May 2019

Atmospheric observations of CO2, 14CO2 and O2 concentrations to capture fossil fuel CO2 emissions from the Greater Tokyo Area

scientific article

Bias corrections of GOSAT SWIR XCO2 and XCH4 with TCCON data and their evaluation using aircraft measurement data

article

CO emissions from biomass burning in South-east Asia in the 2006 El Niño year: shipboard and AIRS satellite observations

article

Column-averaged volume mixing ratio of CO2measured with ground-based Fourier transform spectrometer at Tsukuba

scientific article

Detection of fossil-fuel CO2 plummet in China due to COVID-19 by observation at Hateruma

scientific article published on 29 October 2020

ENSO-related variability in latitudinal distribution of annual mean atmospheric potential oxygen (APO) in the equatorial Western Pacific

Effect of recent observations on Asian CO2 flux estimates by transport model inversions

article

Emissions of methane from offshore oil and gas platforms in Southeast Asia

scientific article

Formation mechanisms of latitudinal CO2gradients in the upper troposphere over the subtropics and tropics

scientific article published on 13 February 2009

Gravitational separation of the stratospheric air over Syowa, Antarctica and its connection with meteorological fields

scientific article

Gravitational separation suggested by O2/N2,δ15N of N2,δ18O of O2, Ar/N2observed in the lowermost part of the stratosphere at northern middle and high latitudes in the early spring of 2002

scientific article

Impact of Siberian observations on the optimization of surface CO2 flux

scholarly article

Imposing strong constraints on tropical terrestrial CO2fluxes using passenger aircraft based measurements

scientific article published in 2012

Interannual variability and trends in atmospheric methane over the western Pacific from 1994 to 2010

scientific article published in 2011

Inverse modeling of GOSAT-retrieved ratios of total column CH4 and CO2 for 2009 and 2010 ⬇️

scholarly article

Inverse modeling of pan-Arctic methane emissions at high spatial resolution: what can we learn from assimilating satellite retrievals and using different process-based wetland and lake biogeochemical models?

scholarly article

Methane fluxes in the high northern latitudes for 2005–2013 estimated using a Bayesian atmospheric inversion

scholarly article

Mid-upper tropospheric methane in the high Northern Hemisphere: Spaceborne observations by AIRS, aircraft measurements, and model simulations

scientific article published on 9 October 2010

Reconciliation of top-down and bottom-up CO2 fluxes in Siberian larch forest

scientific article published in December 2017

Seasonal changes of CO2, CH4, N2O, and SF6 in the upper troposphere/lower stratosphere over the Eurasian continent observed by commercial airliner

scholarly article

Siberian and temperate ecosystems shape Northern Hemisphere atmospheric CO2 seasonal amplification

scientific article published on 17 August 2020

Six years of atmospheric CO2 observations at Mt. Fuji recorded with a battery-powered measurement system

Spatio-temporal variations of the atmospheric greenhouse gases and their sources and sinks in the Arctic region

scholarly article

Statistical characterization of urban CO2 emission signals observed by commercial airliner measurements

scientific article published on 14 May 2020

Stratospheric influence on the seasonal cycle of nitrous oxide in the troposphere as deduced from aircraft observations and model simulations

article

Supplementary material to "The Global Methane Budget 2000–2017"

scientific article

The Global Methane Budget 2000–2017

scientific article

The Global Methane Budget 2000–2017

preprint

The Northern Eurasia Earth Science Partnership: An Example of Science Applied to Societal Needs

The global methane budget 2000–2012

article

The seasonal cycle amplitude of total column CO2: Factors behind the model-observation mismatch

article

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

scientific article published in 2009

Three-dimensional methane distribution simulated with FLEXPART 8-CTM-1.1 constrained with observation data

article by Christine D. Groot Zwaaftink et al published 8 November 2018 in Geoscientific Model Development

Three-dimensional methane distribution simulated with FLEXPART 8-CTM-1.1 constrained with observation data

article by Christine D. Groot Zwaaftink et al published 14 June 2018 in Geoscientific model development discussions (GMDD)

TransCom model simulations of methane: Comparison of vertical profiles with aircraft measurements ⬇️

scientific article

Variability and quasi-decadal changes in the methane budget over the period 2000–2012

scholarly article

Weak northern and strong tropical land carbon uptake from vertical profiles of atmospheric CO2.

scientific article

List of works by Toshinobu Machida

A 4D-Var inversion system based on the icosahedral grid model (NICAM-TM 4D-Var v1.0) – Part 1: Offline forward and adjoint transport models

A 4D-Var inversion system based on the icosahedral grid model (NICAM-TM 4D-Var v1.0): 1. Off-line forward and adjoint transport models

A comprehensive estimate of recent carbon sinks in China using both top-down and bottom-up approaches

A global synthesis inversion analysis of recent variability in CO<sub>2</sub> fluxes using GOSAT and in situ observations

Algorithm update of the GOSAT/TANSO-FTS thermal infrared CO<sub>2</sub> product (version 1) and validation of the UTLS CO<sub>2</sub> data using CONTRAIL measurements

Analysis of seasonality and annual mean distribution of atmospheric potential oxygen (APO) in the Pacific region

Assessing Lagrangian inverse modelling of urban anthropogenic CO2 fluxes using in situ aircraft and ground-based measurements in the Tokyo area

Atmospheric observations of CO2, 14CO2 and O2 concentrations to capture fossil fuel CO2 emissions from the Greater Tokyo Area

Bias corrections of GOSAT SWIR XCO<sub>2</sub> and XCH<sub>4</sub> with TCCON data and their evaluation using aircraft measurement data

CO emissions from biomass burning in South-east Asia in the 2006 El Niño year: shipboard and AIRS satellite observations

Column-averaged volume mixing ratio of CO2measured with ground-based Fourier transform spectrometer at Tsukuba

Detection of fossil-fuel CO2 plummet in China due to COVID-19 by observation at Hateruma

ENSO-related variability in latitudinal distribution of annual mean atmospheric potential oxygen (APO) in the equatorial Western Pacific

Effect of recent observations on Asian CO2 flux estimates by transport model inversions

Emissions of methane from offshore oil and gas platforms in Southeast Asia

Formation mechanisms of latitudinal CO2gradients in the upper troposphere over the subtropics and tropics

Gravitational separation of the stratospheric air over Syowa, Antarctica and its connection with meteorological fields

Gravitational separation suggested by O2/N2,δ15N of N2,δ18O of O2, Ar/N2observed in the lowermost part of the stratosphere at northern middle and high latitudes in the early spring of 2002

Impact of Siberian observations on the optimization of surface CO<sub>2</sub> flux

Imposing strong constraints on tropical terrestrial CO2fluxes using passenger aircraft based measurements

Interannual variability and trends in atmospheric methane over the western Pacific from 1994 to 2010

Inverse modeling of GOSAT-retrieved ratios of total column CH<sub>4</sub> and CO<sub>2</sub> for 2009 and 2010 ⬇️

Inverse modeling of pan-Arctic methane emissions at high spatial resolution: what can we learn from assimilating satellite retrievals and using different process-based wetland and lake biogeochemical models?

Methane fluxes in the high northern latitudes for 2005–2013 estimated using a Bayesian atmospheric inversion

Mid-upper tropospheric methane in the high Northern Hemisphere: Spaceborne observations by AIRS, aircraft measurements, and model simulations

Reconciliation of top-down and bottom-up CO2 fluxes in Siberian larch forest

Seasonal changes of CO2, CH4, N2O, and SF6 in the upper troposphere/lower stratosphere over the Eurasian continent observed by commercial airliner

Siberian and temperate ecosystems shape Northern Hemisphere atmospheric CO2 seasonal amplification

Six years of atmospheric CO<sub>2</sub> observations at Mt. Fuji recorded with a battery-powered measurement system

Spatio-temporal variations of the atmospheric greenhouse gases and their sources and sinks in the Arctic region

Statistical characterization of urban CO2 emission signals observed by commercial airliner measurements

Stratospheric influence on the seasonal cycle of nitrous oxide in the troposphere as deduced from aircraft observations and model simulations

Supplementary material to "The Global Methane Budget 2000–2017"

The Global Methane Budget 2000–2017

The Global Methane Budget 2000–2017

The Northern Eurasia Earth Science Partnership: An Example of Science Applied to Societal Needs

The global methane budget 2000–2012

The seasonal cycle amplitude of total column CO2: Factors behind the model-observation mismatch

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

Three-dimensional methane distribution simulated with FLEXPART 8-CTM-1.1 constrained with observation data

Three-dimensional methane distribution simulated with FLEXPART 8-CTM-1.1 constrained with observation data

TransCom model simulations of methane: Comparison of vertical profiles with aircraft measurements ⬇️

Variability and quasi-decadal changes in the methane budget over the period 2000–2012

Weak northern and strong tropical land carbon uptake from vertical profiles of atmospheric CO2.