World's Best Scientists 2026 revealed!
Takakiyo Nakazawa

Takakiyo Nakazawa

D-Index & Metrics

Environmental Sciences

D-Index
53
Citations
11947
World Ranking
4205
National Ranking
65

Overview

Takakiyo Nakazawa is affiliated with Tohoku University in Japan and specializes in areas within Earth and Planetary Sciences with a focus on Atmospheric Science and related subfields. Their research encompasses topics related to Atmospheric and Environmental Gas Dynamics, Atmospheric chemistry and aerosols, Geology and Paleoclimatology Research, as well as Atmospheric Ozone and Climate.

Nakazawa's work is represented across several prominent scientific publication venues, reflecting contributions to the fields of atmospheric science and environmental chemistry. Common venues include:

  • Atmospheric chemistry and physics
  • Journal of Geophysical Research Atmospheres
  • Science
  • Proceedings of the Japan Academy Series B
  • The Cryosphere

They have coauthored papers frequently with several researchers, including:

  • Shuji Aoki
  • Kenji Kawamura
  • Ikumi Oyabu
  • Shinji Morimoto
  • Jeffrey P. Severinghaus

Key topics in Nakazawa's research comprise:

  • Atmospheric and Environmental Gas Dynamics
  • Atmospheric chemistry and aerosols
  • Geology and Paleoclimatology Research
  • Atmospheric Ozone and Climate
  • Cryospheric studies and observations
  • Isotope Analysis in Ecology
  • Climate change and permafrost

Significant recent publications by Nakazawa include the following works:

  • "Current understanding of the global cycling of carbon dioxide, methane, and nitrous oxide," 2020, Proceedings of the Japan Academy Series B
  • "Antarctic surface temperature and elevation during the Last Glacial Maximum," 2021, Science
  • "Global and Regional CH4 Emissions for 1995-2013 Derived From Atmospheric CH4, δ13C-CH4, and δD-CH4 Observations and a Chemical Transport Model," 2020, Journal of Geophysical Research Atmospheres
  • "Technical note: A high-resolution inverse modelling technique for estimating surface CO 2 fluxes based on the NIES-TM-FLEXPART coupled transport model and its adjoint," 2021, Atmospheric chemistry and physics
  • "Seasonal Variations of SF6, CO2, CH4, and N2O in the UT/LS Region due to Emissions, Transport, and Chemistry," 2021, Journal of Geophysical Research Atmospheres

Their broad research approach incorporates atmospheric chemistry, isotope analysis, as well as climate-related studies on gas fluxes and environmental changes. The scope of these works contributes to understanding complex interactions within atmospheric gases and climate dynamics across regional and global scales.

Best Publications

  • Saturation of the Southern Ocean CO2 Sink Due to Recent Climate Change

    Corinne Le Quéré;Christian Rödenbeck;Erik T. Buitenhuis;Thomas J. Conway

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

    Britton B. Stephens;Kevin R. Gurney;Pieter P. Tans;Colm Sweeney

  • Response to Comments on "Saturation of the Southern Ocean CO2 Sink Due to Recent Climate Change"

    Corinne Le Quéré;Corinne Le Quéré;Christian Rödenbeck;Erik T. Buitenhuis;Thomas J. Conway

  • Northern Hemisphere forcing of climatic cycles in Antarctica over the past 360,000 years

    Kenji Kawamura;Frédéric Parrenin;Lorraine Lisiecki;Ryu Uemura

  • CO2 surface fluxes at grid point scale estimated from a global 21 year reanalysis of atmospheric measurements

    F. Chevallier;P. Ciais;T. J. Conway;T. Aalto

  • Age of stratospheric air unchanged within uncertainties over the past 30 years

    A. Engel;T. Möbius;H. Bönisch;U. Schmidt

  • Worldwide Measurements of Atmospheric CO2 and Other Trace Gas Species Using Commercial Airlines

    T. Machida;H. Matsueda;Y. Sawa;Y. Nakagawa

  • Latitudinal distribution of the sources and sinks of atmospheric carbon dioxide derived from surface observations and an atmospheric transport model

    Pieter P. Tans;Thomas J. Conway;Takakiyo Nakazawa

  • Increase in the atmospheric nitrous oxide concentration during the last 250 years

    T. Machida;T. Nakazawa;Y. Fujii;S. Aoki

  • State dependence of climatic instability over the past 720,000 years from Antarctic ice cores and climate modeling

    Kenji Kawamura;Ayako Abe-Ouchi;Hideaki Motoyama;Yutaka Ageta

  • Antarctic surface temperature and elevation during the Last Glacial Maximum

    Christo Buizert;T. J. Fudge;William H. G. Roberts;Eric J. Steig

  • TWO CURVE FITTING METHODS APPLIED TO CO2 FLASK DATA

    Takakiyo Nakazawa;Misa Ishizawa;Kaz Higuchi;Neil B. A. Trivett

  • Temporal and spatial variations of upper tropospheric and lower stratospheric carbon dioxide

    Takakiyo Nakazawa;Kohji Miyashita;Shuhji Aoki;Masayuki Tanaka

  • Role of biomass burning and climate anomalies for land‐atmosphere carbon fluxes based on inverse modeling of atmospheric CO2

    Prabir K. Patra;Misa Ishizawa;Shamil Maksyutov;Takakiyo Nakazawa

  • Interannual and decadal changes in the sea‐air CO2 flux from atmospheric CO2 inverse modeling

    Prabir K. Patra;Shamil Maksyutov;Misa Ishizawa;Takakiyo Nakazawa;Takakiyo Nakazawa

  • Variations in global methane sources and sinks during 1910-2010

    A. Ghosh;P. K. Patra;P. K. Patra;K. Ishijima;T. Umezawa;T. Umezawa

  • Time and space variations of the carbon isotopic ratio of tropospheric carbon dioxide over Japan

    Takakiyo Nakazawa;Shinji Morimoto;Shuhji Aoki;Masayuki Tanaka

  • Global and regional emissions estimates for N 2 O

    E. Saikawa;E. Saikawa;R. G. Prinn;E. Dlugokencky;K. Ishijima

  • Aircraft measurements of the concentrations of CO2, CH4, N2O, and CO and the carbon and oxygen isotopic ratios of CO2 in the troposphere over Russia

    Takakiyo Nakazawa;Satoshi Sugawara;Gen Inoue;Toshinobu Machida

  • The global accretion rate of extraterrestrial materials in the last glacial period estimated from the abundance of micrometeorites in Antarctic glacier ice

    Toru Yada;Toru Yada;Tomoki Nakamura;Nobuo Takaoka;Takaaki Noguchi

  • Effects of molecular diffusion on trapped gas composition in polar ice cores

    Tomoko Ikeda-Fukazawa;Kenji Fukumizu;Kenji Kawamura;Shuji Aoki

  • Measurements of intensities and self- and foreign-gas-broadened half-widths of spectral lines in the CO fundamental band.

    T. Nakazawa;M. Tanaka

Frequent Co-Authors

Shuji Aoki
Shuji Aoki Tohoku University
Kenji Kawamura
Kenji Kawamura National Institute of Polar Research
Toshinobu Machida
Toshinobu Machida National Institute for Environmental Studies
Prabir K. Patra
Prabir K. Patra Japan Agency for Marine-Earth Science and Technology
Okitsugu Watanabe
Okitsugu Watanabe National Institute of Polar Research
Toshitaka Gamo
Toshitaka Gamo University of Tokyo
Hidekazu Matsueda
Hidekazu Matsueda Japan Meteorological Agency
Shamil Maksyutov
Shamil Maksyutov National Institute for Environmental Studies
Hitoshi Mukai
Hitoshi Mukai National Institute for Environmental Studies
Ray L. Langenfelds
Ray L. Langenfelds Commonwealth Scientific and Industrial Research Organisation

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Exploring Environmental Sciences in the USA opens doors to various related online degrees that can enhance your career prospects. For educators and administrators interested in advancing leadership skills, programs like edd no dissertation offer streamlined pathways without the traditional dissertation requirement, making it easier to earn your doctorate.

Many professionals look to bridge their current qualifications with higher credentials. The transition from a professional teaching degree to a terminal doctorate is well supported by eds to edd programs, which focus on practical leadership and research skills tailored for educators and environmental policy makers.

For those interested in social work within environmental contexts, numerous fully funded dsw programs are available, making it financially viable to pursue advanced degrees that combine social advocacy with environmental sustainability.

Additionally, broader academic foundations can be built through most affordable online general studies degree programs. These programs provide flexibility to tailor coursework toward interdisciplinary environmental studies, supporting diverse career pathways in research, education, and policy.

Best Scientists Citing Takakiyo Nakazawa

Trending Scientists

Recently Published Articles