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1

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

TAKAKIYO NAKAZAWA, SHINJI MORIMOTO, SHUHJI AOKI, MASAYUKI TANAKA

Journal:

Year:

1993

File:

PDF, 1.17 MB

1993

2

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

Tomoko Ikeda-Fukazawa, Kenji Fukumizu, Kenji Kawamura, Shuji Aoki, Takakiyo Nakazawa, Takeo Hondoh

Journal:

Earth and Planetary Science Letters

Year:

2005

Language:

english

File:

PDF, 292 KB

english, 2005

3

Long-term variations of the mole fraction and carbon isotope ratio of atmospheric methane observed at Ny-Ålesund, Svalbard from 1996 to 2013

Morimoto, Shinji, Fujita, Ryo, Aoki, Shuji, Goto, Daisuke, Nakazawa, Takakiyo

Journal:

Year:

2017

Language:

english

File:

PDF, 868 KB

english, 2017

4

Aircraft measurements of the stable carbon isotopic ratio of atmospheric methane over Siberia

Sugawara, Satoshi, Nakazawa, Takakiyo, Inoue, Gen, Machida, Toshinobu, Mukai, Hitoshi, Vinnichenko, Nikolay K., Khattatov, Vyachaslav U.

Journal:

Global Biogeochemical Cycles

Year:

1996

Language:

english

File:

PDF, 1005 KB

english, 1996

5

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

Kawamura, Kenji, Parrenin, Frédéric, Lisiecki, Lorraine, Uemura, Ryu, Vimeux, Françoise, Severinghaus, Jeffrey P., Hutterli, Manuel A., Nakazawa, Takakiyo, Aoki, Shuji, Jouzel, Jean

Journal:

Year:

2007

Language:

english

File:

PDF, 606 KB

english, 2007

6

Vertical distributions of N<sub>2</sub>O isotopocules in the equatorial stratosphere

Toyoda, Sakae, Yoshida, Naohiro, Morimoto, Shinji, Aoki, Shuji, Nakazawa, Takakiyo, Sugawara, Satoshi, Ishidoya, Shigeyuki, Uematsu, Mitsuo, Inai, Yoichi, Hasebe, Fumio, Ikeda, Chusaku, Honda, Hideyuk

Journal:

Atmospheric Chemistry and Physics

Year:

2018

Language:

english

File:

PDF, 6.60 MB

english, 2018

7

High Precision Measurements of the Atmospheric O2/N2 Ratio on a Mass Spectrometer.

ISHIDOYA, Shigeyuki, AOKI, Shuji, NAKAZAWA, Takakiyo

Journal:

Journal of the Meteorological Society of Japan

Year:

2003

Language:

english

File:

PDF, 519 KB

english, 2003

8

Carbon and oxygen isotopic ratios of carbon dioxide of a stratospheric profile over Japan

Toshitaka Gamo, Makoto Tsutsumi, Hitoshi Sakai, Takakiyo Nakazawa, Masayuki Tanaka, Hideyuki Honda, Haruya Kubo, Tomizo Itoh

Journal:

Year:

1989

Language:

english

File:

PDF, 533 KB

english, 1989

9

Ice-core record of methyl chloride over the last glacial–Holocene climate change

Saito, Takuya, Yokouchi, Yoko, Aoki, Shuji, Nakazawa, Takakiyo, Fujii, Yoshiyuki, Watanabe, Okitsugu

Journal:

Geophysical Research Letters

Year:

2007

Language:

english

File:

PDF, 182 KB

english, 2007

10

Concentration variations of atmospheric CO 2 observed at Syowa Station, Antarctica from 1984 to 2000

Morimoto, Shinji, Nakazawa, Takakiyo, Aoki, Shuji, Hashida, Gen, Yamanouchi, Takashi

Journal:

Year:

2003

Language:

english

File:

PDF, 676 KB

english, 2003

11

Concentration variations of atmospheric CO2 observed at Syowa Station, Antarctica from 1984 to 2000

SHINJI MORIMOTO, TAKAKIYO NAKAZAWA, SHUJI AOKI, GEN HASHIDA, TAKASHI YAMANOUCHI

Journal:

Year:

2003

Language:

english

File:

PDF, 901 KB

english, 2003

12

Latitudinal Distribution of CO2 Fugacity along 175°E in the North Pacific in 1992–1996

Tomonori Watai, Koh Harada, Kouichi Gotoh, Shohei Murayama, Takakiyo Nakazawa

Journal:

Journal of Oceanography

Year:

1999

File:

PDF, 701 KB

1999

13

Interpretation of high mixing ratios of O 3 observed in the upper troposphere over Syowa Station, Antarctica using a trajectory analysis

Murayama, Shohei, Yamazaki, Koji, Nakazawa, Takakiyo, Aoki, Shuji

Journal:

Geophysical Research Letters

Year:

1998

Language:

english

File:

PDF, 435 KB

english, 1998

14

A High-precision Measurement System for Carbon and Hydrogen Isotopic Ratios of Atmospheric Methane and Its Application to Air Samples Collected in the Western Pacific Region

UMEZAWA, Taku, AOKI, Shuji, NAKAZAWA, Takakiyo, MORIMOTO, Shinji

Journal:

Journal of the Meteorological Society of Japan

Year:

2009

Language:

english

File:

PDF, 448 KB

english, 2009

15

Global and Regional CH 4 Emissions for 1995â2013 Derived From Atmospheric CH 4 , Î´ 13 CâCH 4 , and Î´DâCH 4 Observations and a Chemical Transport Model

Fujita, Ryo, Morimoto, Shinji, Maksyutov, Shamil, Kim, HeonâSook, Arshinov, Mikhail, Brailsford, Gordon, Aoki, Shuji, Nakazawa, Takakiyo

Journal:

Journal of Geophysical Research Atmospheres

Year:

2020

File:

PDF, 6.22 MB

2020

16

Analysis of atmospheric CO 2 growth rates at Mauna Loa using CO 2 fluxes derived from an inverse model

Patra, Prabir K., Maksyutov, Shamil, Nakazawa, Takakiyo

Journal:

Year:

2005

Language:

english

File:

PDF, 517 KB

english, 2005

17

Terrestrial biospheric and oceanic CO 2 uptakes estimated from long-term measurements of atmospheric CO 2 mole fraction, δ 13 C, and δ(O 2 /N 2 ) at Ny-Ålesund, Svalbard

Goto, Daisuke, Morimoto, Shinji, Ishidoya, Shigeyuki, Aoki, Shuji, Nakazawa, Takakiyo

Journal:

Journal of Geophysical Research: Biogeosciences

Year:

2017

Language:

english

File:

PDF, 1.66 MB

english, 2017

18

Temporal Variations of the Mole Fraction, Carbon, and Hydrogen Isotope Ratios of Atmospheric Methane in the Hudson Bay Lowlands, Canada

Fujita, Ryo, Morimoto, Shinji, Umezawa, Taku, Ishijima, Kentaro, Patra, Prabir K., Worthy, Douglas E. J., Goto, Daisuke, Aoki, Shuji, Nakazawa, Takakiyo

Journal:

Journal of Geophysical Research Atmospheres

Year:

2018

Language:

english

File:

PDF, 2.87 MB

english, 2018

19

Inter-annual variability of the atmospheric carbon dioxide concentrations as simulated with global terrestrial biosphere models and an atmospheric transport model

Fujita, Daisuke, Ishizawa, Misa, Maksyutov, Shamil, Thornton, Peter E., Saeki, Tazu, Nakazawa, Takakiyo

Journal:

Year:

2003

Language:

english

File:

PDF, 589 KB

english, 2003

20

Temporal variations of atmospheric carbon dioxide in the southernmost part of Japan

XIA ZHANG, TAKAKIYO NAKAZAWA, MISA ISHIZAWA, SHUJI AOKI, SHIN-ICHIRO NAKAOKA, SATOSHI SUGAWARA, SHAMIL MAKSYUTOV, TAZU SAEKI, TADAHIRO HAYASAKA

Journal:

Year:

2007

Language:

english

File:

PDF, 649 KB

english, 2007

21

Temporal and spatial variations of the carbon isotopic ratio of atmospheric carbon dioxide in the western Pacific region

Nakazawa, Takakiyo, Morimoto, Shinji, Aoki, Shuhji, Tanaka, Masayuki

Journal:

Journal of Geophysical Research

Year:

1997

Language:

english

File:

PDF, 1.60 MB

english, 1997

22

Fractionation of N 2 O isotopomers in the stratosphere

Toyoda, Sakae, Yoshida, Naohiro, Urabe, Taichiro, Aoki, Shuji, Nakazawa, Takakiyo, Sugawara, Satoshi, Honda, Hideyuki

Journal:

Journal of Geophysical Research

Year:

2001

Language:

english

File:

PDF, 785 KB

english, 2001

23

Contributions of natural and anthropogenic sources to atmospheric methane variations over western Siberia estimated from its carbon and hydrogen isotopes

Umezawa, Taku, Machida, Toshinobu, Aoki, Shuji, Nakazawa, Takakiyo

Journal:

Global Biogeochemical Cycles

Year:

2012

Language:

english

File:

PDF, 1.26 MB

english, 2012

24

Foreword

Pieter Tans, Takakiyo Nakazawa

Journal:

Year:

2003

Language:

english

File:

PDF, 27 KB

english, 2003

25

Temporal variations of the CO2 concentration and its carbon and oxygen isotopic ratios in a temperate forest in the central part of the main island of Japan

TAKAKIYO NAKAZAWA, SHOHEI MURAYAMA, MITSUKO TOI, MISA ISHIZAWA, KAORI OTONASHI, SHUJI AOKI, SUSUMU YAMAMOTO

Journal:

Year:

1997

File:

PDF, 1.77 MB

1997

26

Aircraft measurements of the concentrations of CO 2 , CH 4 , N 2 O, and CO and the carbon and oxygen isotopic ratios of CO 2 in the troposphere over Russia

Nakazawa, Takakiyo, Sugawara, Satoshi, Inoue, Gen, Machida, Toshinobu, Makshyutov, Shamil, Mukai, Hitoshi

Journal:

Journal of Geophysical Research

Year:

1997

Language:

english

File:

PDF, 1.68 MB

english, 1997

27

Gravitational separation of major atmospheric components of nitrogen and oxygen in the stratosphere

Ishidoya, Shigeyuki, Sugawara, Satoshi, Morimoto, Shinji, Aoki, Shuji, Nakazawa, Takakiyo

Journal:

Geophysical Research Letters

Year:

2008

Language:

english

File:

PDF, 220 KB

english, 2008

28

Inter-annual variability of the atmospheric carbon dioxide concentrations as simulated with global terrestrial biosphere models and an atmospheric transport model

DAISUKE FUJITA, MISA ISHIZAWA, SHAMIL MAKSYUTOV, PETER E. THORNTON, TAZU SAEKI, TAKAKIYO NAKAZAWA

Journal:

Year:

2003

Language:

english

File:

PDF, 537 KB

english, 2003

29

Longitudinally different variations of lower tropospheric carbon dioxide concentrations over the North Pacific Ocean

TAKAKIYO NAKAZAWA, SHOHEI MURAYAMA, KOHJI MIYASHITA, SHUHJI AOKI, MASAYUKI TANAKA

Journal:

Year:

1992

File:

PDF, 890 KB

1992

30

Temporal variations of surface oceanic and atmospheric CO2fugacity and total dissolved inorganic carbon in the northwestern North Pacific

Tomonori Watai, Masaaki Kikuchi, Takakiyo Nakazawa

Journal:

Journal of Oceanography

Year:

1998

Language:

english

File:

PDF, 1.30 MB

english, 1998

31

Temporal variations of the CO 2 concentration and its carbon and oxygen isotopic ratios in a temperate forest in the central part of the main island of Japan

Nakazawa, Takakiyo, Murayama, Shohei, Toi, Mitsuko, Ishizawa, Misa, Otonashi, Kaori, Aoki, Shuji, Yamamoto, Susumu

Journal:

Year:

1997

Language:

english

File:

PDF, 1.97 MB

english, 1997

32

Atmospheric CO 2 variations over the last three glacial’interglacial climatic cycles deduced from the Dome Fuji deep ice core, Antarctica using a wet extraction technique

Kawamura, Kenji, Nakazawa, Takakiyo, Aoki, Shuji, Sugawara, Satoshi, Fujii, Yoshiyuki, Watanabe, Okitsugu

Journal:

Year:

2003

Language:

english

File:

PDF, 389 KB

english, 2003

33

Gravitational separation suggested by O 2 /N 2 , δ 15 N of N 2 , δ 18 O of O 2 , Ar/N 2 observed in the lowermost part of the stratosphere at northern middle and high latitudes in the early spring of 2002

Ishidoya, Shigeyuki, Morimoto, Shinji, Sugawara, Satoshi, Watai, Tomonori, Machida, Toshinobu, Aoki, Shuji, Nakazawa, Takakiyo, Yamanouchi, Takashi

Journal:

Geophysical Research Letters

Year:

2008

Language:

english

File:

PDF, 1.38 MB

english, 2008

34

Temporal variations of the CO 2 concentration and its carbon and oxygen isotopic ratios in a temperate forest in the central part of the main island of Japan

Nakazawa, Takakiyo, Murayama, Shohei, Toi, Mitsuko, Ishizawa, Misa, Otonashi, Kaori, Aoki, Shuji, Yamamoto, Susumu

Journal:

Year:

1997

File:

PDF, 1.97 MB

1997

35

Temporal variations of the carbon isotopic ratio of atmospheric methane observed at Ny Ålesund, Svalbard from 1996 to 2004

Morimoto, Shinji, Aoki, Shuji, Nakazawa, Takakiyo, Yamanouchi, Takashi

Journal:

Geophysical Research Letters

Year:

2006

Language:

english

File:

PDF, 340 KB

english, 2006

36

Exploring the sensitivity of interannual basin-scale air-sea CO 2 fluxes to variability in atmospheric dust deposition using ocean carbon cycle models and atmospheric CO 2 inversions

Patra, Prabir K., Moore, J. Keith, Mahowald, Natalie, Uematsu, Mitsuo, Doney, Scott C., Nakazawa, Takakiyo

Journal:

Journal of Geophysical Research

Year:

2007

Language:

english

File:

PDF, 1.23 MB

english, 2007

37

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

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

Journal:

Journal of Geophysical Research

Year:

1989

Language:

english

File:

PDF, 1.72 MB

english, 1989

38

A method for determination of methyl chloride concentration in air trapped in ice cores

Takuya Saito, Yoko Yokouchi, Shuji Aoki, Takakiyo Nakazawa, Yoshiyuki Fujii, Okitsugu Watanabe

Journal:

Year:

2006

Language:

english

File:

PDF, 142 KB

english, 2006

39

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

Ishijima, Kentaro, Patra, Prabir K., Takigawa, Masayuki, Machida, Toshinobu, Matsueda, Hidekazu, Sawa, Yosuke, Steele, L. Paul, Krummel, Paul B., Langenfelds, Ray L., Aoki, Shuji, Nakazawa, Takakiyo

Journal:

Journal of Geophysical Research

Year:

2010

Language:

english

File:

PDF, 4.71 MB

english, 2010

40

Vertical Profiles and Temporal Variations of Greenhouse Gases in the Stratosphere over Syowa Station, Antarctica

Goto, Daisuke, Morimoto, Shinji, Aoki, Shuji, Sugawara, Satoshi, Ishidoya, Shigeyuki, Inai, Yoichi, Toyoda, Sakae, Honda, Hideyuki, Hashida, Gen, Yamanouchi, Takashi, Nakazawa, Takakiyo

Journal:

Year:

2017

Language:

english

File:

PDF, 1.14 MB

english, 2017

41

Temporal Variations of Atmospheric Carbon Dioxide at Okinawa, Japan

Tanaka, Masayuki, Nakazawa, Takakiyo, Ohshima, Hiroyuki, Aoki, Shuhji

Journal:

Journal of the Meteorological Society of Japan

Year:

1987

Language:

english

File:

PDF, 773 KB

english, 1987

42

TWO CURVE FITTING METHODS APPLIED TO CO2 FLASK DATA

TAKAKIYO NAKAZAWA, MISA ISHIZAWA, KAZ HIGUCHI, NEIL B. A. TRIVETT

Journal:

Year:

1997

Language:

english

File:

PDF, 306 KB

english, 1997

43

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

Nakazawa, Takakiyo, Miyashita, Kohji, Aoki, Shuhji, Tanaka, Masayuki

Journal:

Year:

1991

Language:

english

File:

PDF, 1.13 MB

english, 1991

44

Atmospheric CO 2 variations over the last three glacial’interglacial climatic cycles deduced from the Dome Fuji deep ice core, Antarctica using a wet extraction technique

Kawamura, Kenji, Nakazawa, Takakiyo, Aoki, Shuji, Sugawara, Satoshi, Fujii, Yoshiyuki, Watanabe, Okitsugu

Journal:

Year:

2003

File:

PDF, 389 KB

2003

45

Atmospheric CO2 variations over the last three glacial–interglacial climatic cycles deduced from the Dome Fuji deep ice core, Antarctica using a wet extraction technique

KENJI KAWAMURA, TAKAKIYO NAKAZAWA, SHUJI AOKI, SATOSHI SUGAWARA, YOSHIYUKI FUJII, OKITSUGU WATANABE

Journal:

Year:

2003

Language:

english

File:

PDF, 271 KB

english, 2003

46

Temporal and spatial variations of oceanic pCO2 and air–sea CO2 flux in the Greenland Sea and the Barents Sea

SHIN-ICHIRO NAKAOKA, SHUJI AOKI, TAKAKIYO NAKAZAWA, GEN HASHIDA, SHINJI MORIMOTO, TAKASHI YAMANOUCHI, HISAYUKI YOSHIKAWA-INOUE

Journal:

Year:

2006

Language:

english

File:

PDF, 795 KB

english, 2006

47

Seasonal variations in 14C concentrations of stratospheric CO2 measured with accelerator mass spectrometry

Toshio Nakamura, Takakiyo Nakazawa, Hideyuki Honda, Hiroyuki Kitagawa, Toshinobu Machida, Akiko Ikeda, Eiji Matsumoto

Journal:

Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms

Year:

1994

Language:

english

File:

PDF, 450 KB

english, 1994

48

Temporal variations of the atmospheric nitrous oxide concentration and its δ 15 N and δ 18 O for the latter half of the 20th century reconstructed from firn air analyses

Ishijima, Kentaro, Sugawara, Satoshi, Kawamura, Kenji, Hashida, Gen, Morimoto, Shinji, Murayama, Shohei, Aoki, Shuji, Nakazawa, Takakiyo

Journal:

Journal of Geophysical Research

Year:

2007

Language:

english

File:

PDF, 1.77 MB

english, 2007

49

Global-scale transport of carbon dioxide in the troposphere

Miyazaki, Kazuyuki, Patra, Prabir K., Takigawa, Masayuki, Iwasaki, Toshiki, Nakazawa, Takakiyo

Journal:

Journal of Geophysical Research

Year:

2008

Language:

english

File:

PDF, 2.59 MB

english, 2008

50

Long-term monitoring of carbon and oxygen isotope ratios of stratospheric CO 2 over Japan

Gamo, Toshitaka, Tsutsumi, Makoto, Sakai, Hitoshi, Nakazawa, Takakiyo, Machida, Toshinobu, Honda, Hideyuki, Itoh, Tomizo

Journal:

Geophysical Research Letters

Year:

1995

Language:

english

File:

PDF, 328 KB

english, 1995

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