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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Earth Science 34 7852 7277 233 219 195 5732

Nanako O. Ogawa publications per year

The chart shows the history of publications by Nanako O. Ogawa between 1997 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Nanako O. Ogawa published across 29 years, from 1997 to 2025, averaging 9.5 papers a year. Output peaked at 24 publications in 2025. 42 of the 276 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1997 to 2025. Vertical axis: number of publications, 0 to 24. Peak 24 publications in 2025. 1997: 2 publications 1998: 0 publications 1999: 1 publication 2000: 1 publication 2001: 1 publication 2002: 0 publications 2003: 3 publications 2004: 2 publications 2005: 2 publications 2006: 10 publications 2007: 5 publications 2008: 17 publications 2009: 14 publications 2010: 14 publications 2011: 14 publications 2012: 5 publications 2013: 7 publications 2014: 9 publications 2015: 12 publications 2016: 16 publications 2017: 8 publications 2018: 14 publications 2019: 20 publications 2020: 21 publications 2021: 13 publications 2022: 8 publications 2023: 15 publications 2024: 18 publications 2025: 24 publications
1997 2025

276 publications in total across all disciplines

View publications per year as a table
Nanako O. Ogawa: publications per year, 1997 to 2025
Year Publications
1997 2
1998 0
1999 1
2000 1
2001 1
2002 0
2003 3
2004 2
2005 2
2006 10
2007 5
2008 17
2009 14
2010 14
2011 14
2012 5
2013 7
2014 9
2015 12
2016 16
2017 8
2018 14
2019 20
2020 21
2021 13
2022 8
2023 15
2024 18
2025 24
Total 276
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Nanako O. Ogawa publication distribution in Earth Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Earth Science in 2026. The highlighted bar marks where Nanako O. Ogawa sits on this spectrum.

No. of scientists
100 200 300 400 500
Bar chart with 58 bars. Horizontal axis: publications, 38–47 to 603+. Vertical axis: number of scientists, 0 to 557. Most scientists, 557, have 128–137 publications. The last bar groups every scientist with 603 publications or more. The highlighted bar, 188–197 publications, is where this scientist sits. 38–47 publications: 5 scientists 48–57 publications: 33 scientists 58–67 publications: 94 scientists 68–77 publications: 161 scientists 78–87 publications: 278 scientists 88–97 publications: 376 scientists 98–107 publications: 404 scientists 108–117 publications: 484 scientists 118–127 publications: 540 scientists 128–137 publications: 557 scientists 138–147 publications: 491 scientists 148–157 publications: 495 scientists 158–167 publications: 458 scientists 168–177 publications: 490 scientists 178–187 publications: 414 scientists 188–197 publications: 401 scientists 198–207 publications: 333 scientists 208–217 publications: 292 scientists 218–227 publications: 290 scientists 228–237 publications: 262 scientists 238–247 publications: 243 scientists 248–257 publications: 208 scientists 258–267 publications: 185 scientists 268–277 publications: 147 scientists 278–287 publications: 128 scientists 288–297 publications: 119 scientists 298–307 publications: 120 scientists 308–317 publications: 107 scientists 318–327 publications: 93 scientists 328–337 publications: 87 scientists 338–347 publications: 64 scientists 348–357 publications: 87 scientists 358–367 publications: 60 scientists 368–377 publications: 60 scientists 378–387 publications: 34 scientists 388–397 publications: 50 scientists 398–407 publications: 44 scientists 408–417 publications: 31 scientists 418–427 publications: 39 scientists 428–437 publications: 27 scientists 438–447 publications: 36 scientists 448–457 publications: 27 scientists 458–467 publications: 29 scientists 468–477 publications: 30 scientists 478–487 publications: 19 scientists 488–497 publications: 15 scientists 498–507 publications: 18 scientists 508–517 publications: 19 scientists 518–527 publications: 16 scientists 528–537 publications: 10 scientists 538–547 publications: 11 scientists 548–557 publications: 14 scientists 558–567 publications: 11 scientists 568–577 publications: 7 scientists 578–587 publications: 14 scientists 588–597 publications: 5 scientists 598–602 publications: 4 scientists 603+ publications: 100 scientists
38–47 publications 603+

This scientist: 195 publications — 61st percentile

61% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 603 publications or more.

View publications distribution as a table
Number of Earth Science scientists by publication count, Research.com 2026 ranking edition. Based on 9,176 ranked scientists.
Publications Scientists This scientist
38–47 5
48–57 33
58–67 94
68–77 161
78–87 278
88–97 376
98–107 404
108–117 484
118–127 540
128–137 557
138–147 491
148–157 495
158–167 458
168–177 490
178–187 414
188–197 401 195
198–207 333
208–217 292
218–227 290
228–237 262
238–247 243
248–257 208
258–267 185
268–277 147
278–287 128
288–297 119
298–307 120
308–317 107
318–327 93
328–337 87
338–347 64
348–357 87
358–367 60
368–377 60
378–387 34
388–397 50
398–407 44
408–417 31
418–427 39
428–437 27
438–447 36
448–457 27
458–467 29
468–477 30
478–487 19
488–497 15
498–507 18
508–517 19
518–527 16
528–537 10
538–547 11
548–557 14
558–567 11
568–577 7
578–587 14
588–597 5
598–602 4
603+ 100
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Nanako O. Ogawa D-index placement in Earth Science in 2026

The chart shows the D-index (discipline H-index) distribution of Earth Science scientists ranked by Research.com in 2026. The highlighted bar marks where Nanako O. Ogawa sits on this spectrum.

No. of scientists
100 200 300
Bar chart with 77 bars. Horizontal axis: D-Index, 30 to 106+. Vertical axis: number of scientists, 0 to 389. Most scientists, 389, have 36 D-Index. The last bar groups every scientist with 106 D-Index or more. The highlighted bar, 34 D-Index, is where this scientist sits. 30 D-Index: 144 scientists 31 D-Index: 215 scientists 32 D-Index: 278 scientists 33 D-Index: 379 scientists 34 D-Index: 366 scientists 35 D-Index: 372 scientists 36 D-Index: 389 scientists 37 D-Index: 366 scientists 38 D-Index: 344 scientists 39 D-Index: 349 scientists 40 D-Index: 296 scientists 41 D-Index: 289 scientists 42 D-Index: 277 scientists 43 D-Index: 279 scientists 44 D-Index: 248 scientists 45 D-Index: 257 scientists 46 D-Index: 212 scientists 47 D-Index: 202 scientists 48 D-Index: 207 scientists 49 D-Index: 204 scientists 50 D-Index: 183 scientists 51 D-Index: 178 scientists 52 D-Index: 182 scientists 53 D-Index: 178 scientists 54 D-Index: 163 scientists 55 D-Index: 117 scientists 56 D-Index: 163 scientists 57 D-Index: 120 scientists 58 D-Index: 113 scientists 59 D-Index: 136 scientists 60 D-Index: 135 scientists 61 D-Index: 96 scientists 62 D-Index: 103 scientists 63 D-Index: 83 scientists 64 D-Index: 103 scientists 65 D-Index: 83 scientists 66 D-Index: 89 scientists 67 D-Index: 92 scientists 68 D-Index: 89 scientists 69 D-Index: 78 scientists 70 D-Index: 75 scientists 71 D-Index: 53 scientists 72 D-Index: 62 scientists 73 D-Index: 54 scientists 74 D-Index: 35 scientists 75 D-Index: 52 scientists 76 D-Index: 50 scientists 77 D-Index: 32 scientists 78 D-Index: 37 scientists 79 D-Index: 20 scientists 80 D-Index: 33 scientists 81 D-Index: 36 scientists 82 D-Index: 34 scientists 83 D-Index: 34 scientists 84 D-Index: 24 scientists 85 D-Index: 19 scientists 86 D-Index: 18 scientists 87 D-Index: 26 scientists 88 D-Index: 30 scientists 89 D-Index: 17 scientists 90 D-Index: 21 scientists 91 D-Index: 19 scientists 92 D-Index: 15 scientists 93 D-Index: 14 scientists 94 D-Index: 20 scientists 95 D-Index: 9 scientists 96 D-Index: 10 scientists 97 D-Index: 15 scientists 98 D-Index: 13 scientists 99 D-Index: 3 scientists 100 D-Index: 13 scientists 101 D-Index: 3 scientists 102 D-Index: 9 scientists 103 D-Index: 4 scientists 104 D-Index: 6 scientists 105 D-Index: 6 scientists 106+ D-Index: 98 scientists
30 D-Index 106+

This scientist: 34 D-Index — 15th percentile

15% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 106 D-Index or more.

View D-Index distribution as a table
Number of Earth Science scientists by D-index, Research.com 2026 ranking edition. Based on 9,176 ranked scientists.
D-Index Scientists This scientist
30 144
31 215
32 278
33 379
34 366 34
35 372
36 389
37 366
38 344
39 349
40 296
41 289
42 277
43 279
44 248
45 257
46 212
47 202
48 207
49 204
50 183
51 178
52 182
53 178
54 163
55 117
56 163
57 120
58 113
59 136
60 135
61 96
62 103
63 83
64 103
65 83
66 89
67 92
68 89
69 78
70 75
71 53
72 62
73 54
74 35
75 52
76 50
77 32
78 37
79 20
80 33
81 36
82 34
83 34
84 24
85 19
86 18
87 26
88 30
89 17
90 21
91 19
92 15
93 14
94 20
95 9
96 10
97 15
98 13
99 3
100 13
101 3
102 9
103 4
104 6
105 6
106+ 98
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Overview

Nanako O. Ogawa is affiliated with the Japan Agency for Marine-Earth Science and Technology in Japan. Their research spans multiple disciplines within environmental science and earth and planetary sciences, with a strong focus on isotope analysis in ecology and aspects of geology, paleoclimatology, and astro and planetary sciences.

The scientist has contributed extensively to research on marine and coastal ecosystems as well as on mass spectrometry techniques and applications. Their work also covers marine biology, ecology research, and studies related to marine and fisheries science.

Recent noteworthy publications include:

  • Soluble organic molecules in samples of the carbonaceous asteroid (162173) Ryugu, 2023, Science
  • Uracil in the carbonaceous asteroid (162173) Ryugu, 2023, Nature Communications
  • Monsoons, Upwelling, and the Deoxygenation of the Northwestern Indian Ocean in Response to Middle to Late Miocene Global Climatic Shifts, 2020, Paleoceanography and Paleoclimatology
  • Marine Os isotopic evidence for multiple volcanic episodes during Cretaceous Oceanic Anoxic Event 1b, 2020, Scientific Reports
  • Tracking long-distance migration of marine fishes using compound-specific stable isotope analysis of amino acids, 2020, Ecology Letters

Frequent co-authors collaborating with Nanako O. Ogawa include:

  • Naohiko Ohkouchi
  • Yoshinori Takano
  • Naoto F. Ishikawa
  • Toshihiro Yoshimura
  • Yoshito Chikaraishi

Their work has been published in several prominent scientific venues, notably:

  • Progress in Earth and Planetary Science
  • Nature Communications
  • Analytical Chemistry
  • Marine Ecology Progress Series
  • Frontiers in Marine Science

Main fields of study represented in their research portfolio include:

  • Environmental Science
  • Earth and Planetary Sciences

Within these fields, Nanako O. Ogawa focuses on subfields such as:

  • Ecology
  • Oceanography
  • Astronomy and Astrophysics
  • Global and Planetary Change
  • Atmospheric Science

The scientist's research topics encompass:

  • Isotope Analysis in Ecology
  • Geology and Paleoclimatology Research
  • Astro and Planetary Science
  • Marine and coastal ecosystems
  • Mass Spectrometry Techniques and Applications
  • Marine Biology and Ecology Research
  • Marine and fisheries research

Best Publications

  • Determination of aquatic food-web structure based on compound-specific nitrogen isotopic composition of amino acids

    Yoshito Chikaraishi;Nanako O. Ogawa;Yuichiro Kashiyama;Yoshinori Takano

  • Metabolic control of nitrogen isotope composition of amino acids in macroalgae and gastropods: implications for aquatic food web studies

    Yoshito Chikaraishi;Yuichiro Kashiyama;Nanako O. Ogawa;Hiroshi Kitazato

  • Advances in the application of amino acid nitrogen isotopic analysis in ecological and biogeochemical studies

    Naohiko Ohkouchi;Yoshito Chikaraishi;Yoshito Chikaraishi;Hilary G. Close;Brian Fry

  • Extraterrestrial ribose and other sugars in primitive meteorites.

    Yoshihiro Furukawa;Yoshito Chikaraishi;Yoshito Chikaraishi;Naohiko Ohkouchi;Nanako O. Ogawa

  • Contemporaneous massive subaerial volcanism and late cretaceous Oceanic Anoxic Event 2

    Junichiro Kuroda;Nanako O. Ogawa;Masaharu Tanimizu;Millard F. Coffin

  • New organic reference materials for carbon- and nitrogen-stable isotope ratio measurements provided by Center for Ecological Research, Kyoto University, and Institute of Biogeosciences, Japan Agency for Marine-Earth Science and Technology

    Ichiro Tayasu;Riyo Hirasawa;Nanako O. Ogawa;Naohiko Ohkouchi

  • Geographical origin of polished rice based on multiple element and stable isotope analyses.

    Yaeko Suzuki;Yoshito Chikaraishi;Nanako O. Ogawa;Naohiko Ohkouchi

  • 15N/14N ratios of amino acids as a tool for studying terrestrial food webs: a case study of terrestrial insects (bees, wasps, and hornets)

    Yoshito Chikaraishi;Nanako O. Ogawa;Hideyuki Doi;Naohiko Ohkouchi

  • Different ingestion patterns of 13C-labeled bacteria and algae by deep-sea benthic foraminifera

    Hidetaka Nomaki;Petra Heinz;Takeshi Nakatsuka;Motohiro Shimanaga

  • Biochemical and physiological bases for the use of carbon and nitrogen isotopes in environmental and ecological studies

    Naohiko Ohkouchi;Nanako O Ogawa;Yoshito Chikaraishi;Hiroyuki Tanaka

  • Characterization and production and consumption processes of N2O emitted from temperate agricultural soils determined via isotopomer ratio analysis

    Sakae Toyoda;Midori Yano;Sei-ichi Nishimura;Hiroko Akiyama

  • Sedimentary membrane lipids recycled by deep-sea benthic archaea

    Yoshinori Takano;Yoshito Chikaraishi;Nanako O. Ogawa;Hidetaka Nomaki

  • A low trophic position of Japanese eel larvae indicates feeding on marine snow.

    Michael J. Miller;Yoshito Chikaraishi;Nanako O. Ogawa;Yoshiaki Yamada

  • Isolation and desalting with cation-exchange chromatography for compound-specific nitrogen isotope analysis of amino acids: application to biogeochemical samples

    Yoshinori Takano;Yuichiro Kashiyama;Nanako O. Ogawa;Yoshito Chikaraishi

  • Fluctuations of nitrogen isotope ratio of gobiid fish (Isaza) specimens and sediments in Lake Biwa, Japan, during the 20th century

    Nanako O. Ogawa;Tadatoshi Koitabashi;Hirotaka Oda;Toshio Nakamura

  • Benthic foraminifera as trophic links between phytodetritus and benthic metazoans: carbon and nitrogen isotopic evidence

    Hidetaka Nomaki;Nanako O. Ogawa;Naohiko Ohkouchi;Hisami Suga

  • The importance of diazotrophic cyanobacteria as primary producers during Cretaceous Oceanic Anoxic Event 2

    N. Ohkouchi;Y. Kashiyama;Y. Kashiyama;J. Kuroda;J. Kuroda;N O. Ogawa

  • Diazotrophic cyanobacteria as the major photoautotrophs during mid-Cretaceous oceanic anoxic events: Nitrogen and carbon isotopic evidence from sedimentary porphyrin

    Yuichiro Kashiyama;Yuichiro Kashiyama;Nanako O. Ogawa;Junichiro Kuroda;Motoo Shiro

  • Improved, high-throughput approach for phosphorus speciation in natural sediments via the SEDEX sequential extraction method

    K.C. Ruttenberg;K.C. Ruttenberg;N.O. Ogawa;N.O. Ogawa;F. Tamburini;F. Tamburini;R.A. Briggs

  • Biogeochemical processes in the saline meromictic Lake Kaiike, Japan: implications from molecular isotopic evidences of photosynthetic pigments.

    Naohiko Ohkouchi;Yoji Nakajima;Hisatake Okada;Nanako O. Ogawa

Frequent Co-Authors

Naohiko Ohkouchi
Naohiko Ohkouchi Japan Agency for Marine-Earth Science and Technology
Yoshito Chikaraishi
Yoshito Chikaraishi Japan Agency for Marine-Earth Science and Technology
Hiroshi Kitazato
Hiroshi Kitazato Tokyo University of Marine Science and Technology
Yusuke Yokoyama
Yusuke Yokoyama University of Tokyo
Hodaka Kawahata
Hodaka Kawahata University of Tokyo
Katsuhiko Suzuki
Katsuhiko Suzuki Japan Agency for Marine-Earth Science and Technology
Gesine Mollenhauer
Gesine Mollenhauer Alfred Wegener Institute for Polar and Marine Research
Stefano Lugli
Stefano Lugli University of Modena and Reggio Emilia
Rodolfo Coccioni
Rodolfo Coccioni University of Urbino
Ryuji Tada
Ryuji Tada University of Tokyo

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