List of works - Akihiko Ito

A 4D-Var inversion system based on the icosahedral grid model (NICAM-TM 4D-Var v1.0) – Part 2: Optimization scheme and identical twin experiment of atmospheric CO2 inversion

scientific article published in 2017

A 4D-Var inversion system based on the icosahedral grid model (NICAM-TM 4D-Var v1.0): 2. Optimization scheme and identical twin experiment of atmospheric CO2 inversion

A comprehensive quantification of global nitrous oxide sources and sinks

scientific article published on 07 October 2020

A multi-model analysis of risk of ecosystem shifts under climate change

scientific article published on 28 October 2013

Assessment of Anthropogenic Methane Emissions over Large Regions Based on GOSAT Observations and High Resolution Transport Modeling

Asymmetric Responses of Primary Productivity to Altered Precipitation Simulated by Ecosystem Models across Three Longterm Grassland Sites

article

Asymmetric responses of primary productivity to altered precipitation simulated by ecosystem models across three long-term grassland sites

article

Atmospheric observations suggest methane emissions in north-eastern China growing with natural gas use ⬇️

Benchmark estimates for aboveground litterfall data derived from ecosystem models

scientific article published on 31 July 2019

Benchmarking carbon fluxes of the ISIMIP2a biome models

Biogeophysical and biogeochemical impacts of land-use change simulated by MIROC-ES2L

scientific article published in 2020

Carbon residence time dominates uncertainty in terrestrial vegetation responses to future climate and atmospheric CO2

scientific article (publication date: 4 March 2014)

Climate Extreme Versus Carbon Extreme: Responses of Terrestrial Carbon Fluxes to Temperature and Precipitation

scientific article published in 2020

Comparing machine learning-derived global estimates of soil respiration and its components with those from terrestrial ecosystem models

scientific article published in May 2021

Constraining size-dependence of vegetation respiration rates

scientific article published on 09 March 2020

Country-Scale Analysis of Methane Emissions with a High-Resolution Inverse Model Using GOSAT and Surface Observations

Current status and future of land surface models

Decadal trends in the seasonal-cycle amplitude of terrestrial CO2 exchange resulting from the ensemble of terrestrial biosphere models

article

Deficiencies of Phenology Models in Simulating Spatial and Temporal Variations in Temperate Spring Leaf Phenology

scientific article published on 25 February 2022

Development of spatially explicit emission scenario from land-use change and biomass burning for the input data of climate projection

article

Development of the MIROC-ES2L Earth system model and the evaluation of biogeochemical processes and feedbacks

scientific article published on 13 May 2020

Disentangling climatic and anthropogenic controls on global terrestrial evapotranspiration trends

article

Effectively tuning plant growth models with different spatial complexity: A statistical perspective

scientific article published on 30 August 2017

Enhanced Methane Emissions during Amazonian Drought by Biomass Burning

scientific article

Estimated regional CO2 flux and uncertainty based on an ensemble of atmospheric CO2 inversions

scientific article published in 2022

Estimating water–food–ecosystem trade-offs for the global negative emission scenario (IPCC-RCP2.6)

scientific article published in 2018

Estimation of fire-induced carbon emissions from Equatorial Asia in 2015 using in situ aircraft and ship observations

scientific article published on 23 June 2021

Evaluating changes of biomass in global vegetation models: the role of turnover fluctuations and ENSO events

Evaluation of Biases in JRA-25/JCDAS Precipitation and Their Impact on the Global Terrestrial Carbon Balance

article

Evaluation of climate-related carbon turnover processes in global vegetation models for boreal and temperate forests

scientific article

Evaluation of spatially explicit emission scenario of land-use change and biomass burning using a process-based biogeochemical model

article

Evapotranspiration simulations in ISIMIP2a—Evaluation of spatio-temporal characteristics with a comprehensive ensemble of independent datasets

Examination of model-estimated ecosystem respiration using flux measurements from a cool-temperate deciduous broad-leaved forest in central Japan

scientific article published on 17 December 2012

Examination of model-estimated ecosystem respiration using flux measurements from a cool-temperate deciduous broad-leaved forest in central Japan

scientific article published on 14 March 2007

Field-experiment constraints on the enhancement of the terrestrial carbon sink by CO2 fertilization

scientific article published on 2 September 2019

Fraction of nitrous oxide production in nitrification and its effect on total soil emission: A meta-analysis and global-scale sensitivity analysis using a process-based model

scientific article published on 10 July 2019

Future projection of greenhouse gas emissions due to permafrost degradation using a simple numerical scheme with a global land surface model

scientific article published on 02 October 2020

Global distribution of clay-size minerals on land surface for biogeochemical and climatological studies

scientific article

Global land carbon sink response to temperature and precipitation varies with ENSO phase

article

Global patterns and controls of soil organic carbon dynamics as simulated by multiple terrestrial biosphere models: Current status and future directions

scientific article

Global soil nitrous oxide emissions since the pre-industrial era estimated by an ensemble of Terrestrial Biosphere Models: Magnitude, attribution and uncertainty

article

Global soil nitrous oxide emissions since the preindustrial era estimated by an ensemble of terrestrial biosphere models: Magnitude, attribution, and uncertainty

article

Global vegetation biomass production efficiency constrained by models and observations

scientific article published on 27 September 2019

Gridded emissions and land-use data for 2005-2100 under diverse socioeconomic and climate mitigation scenarios

scientific article published on 16 October 2018

How Will Deforestation and Vegetation Degradation Affect Global Fire Activity?

scientific article published on 08 April 2021

Impact of large-scale climate extremes on biospheric carbon fluxes: An intercomparison based on MsTMIP data

article

Impacts of future climate change on the carbon budget of northern high-latitude terrestrial ecosystems: An analysis using ISI-MIP data

scientific article published on 30 November 2015

Increased light-use efficiency in northern terrestrial ecosystems indicated by CO2 and greening observations

scholarly article

Interannual variability on methane emissions in monsoon Asia derived from GOSAT and surface observations

Inversion Estimates of Methane Emission in the Middle East in 2010-2017 with GOSAT Observations

MIROC-INTEG-LAND version 1: a global biogeochemical land surface model with human water management, crop growth, and land-use change

scientific article published on 02 October 2020

Magnitude and Uncertainty of Nitrous Oxide Emissions From North America Based on Bottom‐Up and Top‐Down Approaches: Informing Future Research and National Inventories

scientific article published on 29 November 2021

Methane Emission Estimates by the Global High-Resolution Inverse Model Using National Inventories

Methane budget of East Asia, 1990-2015: A bottom-up evaluation

scientific article published on 22 April 2019

Missing pieces to modeling the Arctic-Boreal puzzle

Modeling of gross and net carbon dioxide exchange over a cool-temperate deciduous broad-leaved forest in Japan: Analysis of seasonal and interannual change

scientific article published on 06 December 2005

Multiple temporal scale variability during the twentieth century in global carbon dynamics simulated by a coupled climate–terrestrial carbon cycle model

scholarly article by Tomomichi Kato et al published 20 March 2009 in Climate Dynamics

Photosynthetic productivity and its efficiencies in ISIMIP2a biome models: benchmarking for impact assessment studies

scholarly article by Akihiko Ito et al published 25 July 2017 in Environmental Research Letters

Projecting Exposure to Extreme Climate Impact Events Across Six Event Categories and Three Spatial Scales

scientific article published on 14 November 2020

Pronounced and unavoidable impacts of low-end global warming on northern high-latitude land ecosystems

scientific article published on 27 January 2020

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

scientific article published in December 2017

Reducing Uncertainties of Future Global Soil Carbon Responses to Climate and Land Use Change With Emergent Constraints

scientific article

Regional carbon fluxes from land use and land cover change in Asia, 1980–2009

article

Regional contribution to variability and trends of global gross primary productivity

Response of Water Use Efficiency to Global Environmental Change Based on Output From Terrestrial Biosphere Models

scholarly article by Sha Zhou et al published November 2017 in Global Biogeochemical Cycles

Role of CO2, climate and land use in regulating the seasonal amplitude increase of carbon fluxes in terrestrial ecosystems: a multimodel analysis

scientific article published in 2016

Satellite-driven estimation of terrestrial carbon flux over Far East Asia with 1-km grid resolution

article

Saturation of Global Terrestrial Carbon Sink Under a High Warming Scenario

scientific article

Seasonal and interannual variations in CO and BC emissions from open biomass burning in Southern Africa during 1998-2005

scientific article published in 2007

Seasonal variation in leaf properties and ecosystem carbon budget in a cool-temperate deciduous broad-leaved forest: simulation analysis at Takayama site, Japan

scientific article published on 02 September 2005

Site-level model–data synthesis of terrestrial carbon fluxes in the CarboEastAsia eddy-covariance observation network: toward future modeling efforts

article

Soil carbon sequestration simulated in CMIP6-LUMIP models: implications for climatic mitigation

scientific article

Spatial and temporal patterns of soil respiration over the Japanese Archipelago: a model intercomparison study

scientific article published in 2010

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

scholarly article

State-of-the-art global models underestimate impacts from climate extremes

scientific article published on 01 March 2019

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

scientific article

Temporal changes in the relationship between tree‐ring growth and net primary production in northern Japan: a novel approach to the estimation of seasonal photosynthate allocation to the stem

scientific article published in 2018

The Global Methane Budget 2000–2017

scientific article

The Global Methane Budget 2000–2017

preprint

The Global N2O Model Intercomparison Project

The global methane budget 2000–2012

article

The impact of climate variation and disturbances on the carbon balance of forests in Hokkaido, Japan

scientific article published in 2014

Toward a long-term atmospheric CO2 inversion for elucidating natural carbon fluxes: technical notes of NISMON-CO2 v2021.1

scientific article published in 2022

Toward “optimal” integration of terrestrial biosphere models

article

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

scholarly article

Vegetation Functional Properties Determine Uncertainty of Simulated Ecosystem Productivity: A Traceability Analysis in the East Asian Monsoon Region

scientific article published on 13 May 2019

Weakened growth of cropland-N2 O emissions in China associated with nationwide policy interventions

scientific article published on 19 July 2019

List of works by Akihiko Ito

A 4D-Var inversion system based on the icosahedral grid model (NICAM-TM 4D-Var v1.0) – Part 2: Optimization scheme and identical twin experiment of atmospheric CO<sub>2</sub> inversion

A 4D-Var inversion system based on the icosahedral grid model (NICAM-TM 4D-Var v1.0): 2. Optimization scheme and identical twin experiment of atmospheric CO<sub>2</sub> inversion

A comprehensive quantification of global nitrous oxide sources and sinks

A multi-model analysis of risk of ecosystem shifts under climate change

Assessment of Anthropogenic Methane Emissions over Large Regions Based on GOSAT Observations and High Resolution Transport Modeling

Asymmetric Responses of Primary Productivity to Altered Precipitation Simulated by Ecosystem Models across Three Longterm Grassland Sites

Asymmetric responses of primary productivity to altered precipitation simulated by ecosystem models across three long-term grassland sites

Atmospheric observations suggest methane emissions in north-eastern China growing with natural gas use ⬇️

Benchmark estimates for aboveground litterfall data derived from ecosystem models

Benchmarking carbon fluxes of the ISIMIP2a biome models

Biogeophysical and biogeochemical impacts of land-use change simulated by MIROC-ES2L

Carbon residence time dominates uncertainty in terrestrial vegetation responses to future climate and atmospheric CO2

Climate Extreme Versus Carbon Extreme: Responses of Terrestrial Carbon Fluxes to Temperature and Precipitation

Comparing machine learning-derived global estimates of soil respiration and its components with those from terrestrial ecosystem models

Constraining size-dependence of vegetation respiration rates

Country-Scale Analysis of Methane Emissions with a High-Resolution Inverse Model Using GOSAT and Surface Observations

Current status and future of land surface models

Decadal trends in the seasonal-cycle amplitude of terrestrial CO2 exchange resulting from the ensemble of terrestrial biosphere models

Deficiencies of Phenology Models in Simulating Spatial and Temporal Variations in Temperate Spring Leaf Phenology

Development of spatially explicit emission scenario from land-use change and biomass burning for the input data of climate projection

Development of the MIROC-ES2L Earth system model and the evaluation of biogeochemical processes and feedbacks

Disentangling climatic and anthropogenic controls on global terrestrial evapotranspiration trends

Effectively tuning plant growth models with different spatial complexity: A statistical perspective

Enhanced Methane Emissions during Amazonian Drought by Biomass Burning

Estimated regional CO<sub>2</sub> flux and uncertainty based on an ensemble of atmospheric CO<sub>2</sub> inversions

Estimating water–food–ecosystem trade-offs for the global negative emission scenario (IPCC-RCP2.6)

Estimation of fire-induced carbon emissions from Equatorial Asia in 2015 using in situ aircraft and ship observations

Evaluating changes of biomass in global vegetation models: the role of turnover fluctuations and ENSO events

Evaluation of Biases in JRA-25/JCDAS Precipitation and Their Impact on the Global Terrestrial Carbon Balance

Evaluation of climate-related carbon turnover processes in global vegetation models for boreal and temperate forests

Evaluation of spatially explicit emission scenario of land-use change and biomass burning using a process-based biogeochemical model

Evapotranspiration simulations in ISIMIP2a—Evaluation of spatio-temporal characteristics with a comprehensive ensemble of independent datasets

Examination of model-estimated ecosystem respiration using flux measurements from a cool-temperate deciduous broad-leaved forest in central Japan

Examination of model-estimated ecosystem respiration using flux measurements from a cool-temperate deciduous broad-leaved forest in central Japan

Field-experiment constraints on the enhancement of the terrestrial carbon sink by CO2 fertilization

Fraction of nitrous oxide production in nitrification and its effect on total soil emission: A meta-analysis and global-scale sensitivity analysis using a process-based model

Future projection of greenhouse gas emissions due to permafrost degradation using a simple numerical scheme with a global land surface model

Global distribution of clay-size minerals on land surface for biogeochemical and climatological studies

Global land carbon sink response to temperature and precipitation varies with ENSO phase

Global patterns and controls of soil organic carbon dynamics as simulated by multiple terrestrial biosphere models: Current status and future directions

Global soil nitrous oxide emissions since the pre-industrial era estimated by an ensemble of Terrestrial Biosphere Models: Magnitude, attribution and uncertainty

Global soil nitrous oxide emissions since the preindustrial era estimated by an ensemble of terrestrial biosphere models: Magnitude, attribution, and uncertainty

Global vegetation biomass production efficiency constrained by models and observations

Gridded emissions and land-use data for 2005-2100 under diverse socioeconomic and climate mitigation scenarios

How Will Deforestation and Vegetation Degradation Affect Global Fire Activity?

Impact of large-scale climate extremes on biospheric carbon fluxes: An intercomparison based on MsTMIP data

Impacts of future climate change on the carbon budget of northern high-latitude terrestrial ecosystems: An analysis using ISI-MIP data

Increased light-use efficiency in northern terrestrial ecosystems indicated by CO2 and greening observations

Interannual variability on methane emissions in monsoon Asia derived from GOSAT and surface observations

Inversion Estimates of Methane Emission in the Middle East in 2010-2017 with GOSAT Observations

MIROC-INTEG-LAND version 1: a global biogeochemical land surface model with human water management, crop growth, and land-use change

Magnitude and Uncertainty of Nitrous Oxide Emissions From North America Based on Bottom‐Up and Top‐Down Approaches: Informing Future Research and National Inventories

Methane Emission Estimates by the Global High-Resolution Inverse Model Using National Inventories

Methane budget of East Asia, 1990-2015: A bottom-up evaluation

Missing pieces to modeling the Arctic-Boreal puzzle

Modeling of gross and net carbon dioxide exchange over a cool-temperate deciduous broad-leaved forest in Japan: Analysis of seasonal and interannual change

Multiple temporal scale variability during the twentieth century in global carbon dynamics simulated by a coupled climate–terrestrial carbon cycle model

Photosynthetic productivity and its efficiencies in ISIMIP2a biome models: benchmarking for impact assessment studies

Projecting Exposure to Extreme Climate Impact Events Across Six Event Categories and Three Spatial Scales

Pronounced and unavoidable impacts of low-end global warming on northern high-latitude land ecosystems

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

Reducing Uncertainties of Future Global Soil Carbon Responses to Climate and Land Use Change With Emergent Constraints

Regional carbon fluxes from land use and land cover change in Asia, 1980–2009

Regional contribution to variability and trends of global gross primary productivity

Response of Water Use Efficiency to Global Environmental Change Based on Output From Terrestrial Biosphere Models

Role of CO<sub>2</sub>, climate and land use in regulating the seasonal amplitude increase of carbon fluxes in terrestrial ecosystems: a multimodel analysis

Satellite-driven estimation of terrestrial carbon flux over Far East Asia with 1-km grid resolution

Saturation of Global Terrestrial Carbon Sink Under a High Warming Scenario

Seasonal and interannual variations in CO and BC emissions from open biomass burning in Southern Africa during 1998-2005

Seasonal variation in leaf properties and ecosystem carbon budget in a cool-temperate deciduous broad-leaved forest: simulation analysis at Takayama site, Japan

Site-level model–data synthesis of terrestrial carbon fluxes in the CarboEastAsia eddy-covariance observation network: toward future modeling efforts

Soil carbon sequestration simulated in CMIP6-LUMIP models: implications for climatic mitigation

Spatial and temporal patterns of soil respiration over the Japanese Archipelago: a model intercomparison study

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

State-of-the-art global models underestimate impacts from climate extremes

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

Temporal changes in the relationship between tree‐ring growth and net primary production in northern Japan: a novel approach to the estimation of seasonal photosynthate allocation to the stem

The Global Methane Budget 2000–2017

The Global Methane Budget 2000–2017