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List of works by Yousuke Sawa

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) – Part 2: Optimization scheme and identical twin experiment of atmospheric CO<sub>2</sub> inversion

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

scientific article

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

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

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

article

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

scientific article

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

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

scientific article published on 13 February 2009

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

scientific article published in 2012

New Atmospheric O 2 /N 2 Ratio Measurements over the Western North Pacific Using a Cargo Aircraft C-130H

scientific article

Overview of the Atmospheric Brown Cloud East Asian Regional Experiment 2005 and a study of the aerosol direct radiative forcing in east Asia

article

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

scholarly article

Significant latitudinal gradient in the surface ozone spring maximum over East Asia

article

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

scientific article published on 14 May 2020

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

article

The state of greenhouse gases in the atmosphere using global observations through 2018

Widespread pollution events of carbon monoxide observed over the western North Pacific during the East Asian Regional Experiment (EAREX) 2005 campaign

article

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