World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
64
Citations
99880
World Ranking
2267
National Ranking
91

Ken Takahashi publication distribution in Environmental Sciences in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Environmental Sciences in 2026. The highlighted bar marks where Ken Takahashi sits on this spectrum.

41–50 publications: 21 scientists 51–60 publications: 62 scientists 61–70 publications: 133 scientists 71–80 publications: 257 scientists 81–90 publications: 361 scientists 91–100 publications: 440 scientists 101–110 publications: 492 scientists 111–120 publications: 541 scientists 121–130 publications: 617 scientists 131–140 publications: 544 scientists 141–150 publications: 541 scientists 151–160 publications: 539 scientists 161–170 publications: 444 scientists 171–180 publications: 444 scientists 181–190 publications: 400 scientists 191–200 publications: 377 scientists 201–210 publications: 318 scientists 211–220 publications: 283 scientists 221–230 publications: 263 scientists 231–240 publications: 220 scientists 241–250 publications: 217 scientists 251–260 publications: 180 scientists 261–270 publications: 181 scientists 271–280 publications: 155 scientists 281–290 publications: 130 scientists 291–300 publications: 127 scientists 301–310 publications: 130 scientists 311–320 publications: 85 scientists 321–330 publications: 106 scientists 331–340 publications: 80 scientists 341–350 publications: 83 scientists 351–360 publications: 75 scientists 361–370 publications: 69 scientists 371–380 publications: 52 scientists 381–390 publications: 54 scientists 391–400 publications: 56 scientists 401–410 publications: 44 scientists 411–420 publications: 40 scientists 421–430 publications: 36 scientists 431–440 publications: 25 scientists 441–450 publications: 25 scientists 451–460 publications: 32 scientists 461–470 publications: 29 scientists 471–480 publications: 21 scientists 481–490 publications: 26 scientists 491–500 publications: 25 scientists 501–510 publications: 17 scientists 511–520 publications: 18 scientists 521–530 publications: 15 scientists 531–540 publications: 22 scientists 541–550 publications: 12 scientists 551–560 publications: 15 scientists 561–570 publications: 11 scientists 571–580 publications: 19 scientists 581–590 publications: 9 scientists 591–600 publications: 9 scientists 601–610 publications: 7 scientists 611–620 publications: 11 scientists 621–630 publications: 5 scientists 631–640 publications: 5 scientists 641–650 publications: 6 scientists 651–660 publications: 3 scientists 661–670 publications: 3 scientists 671–680 publications: 4 scientists 681–686 publications: 3 scientists 687+ publications: 100 scientists
41 publications 687+

This scientist: 208 publications — 67th percentile

67% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 687 publications or more.

Ken Takahashi D-index placement in Environmental Sciences in 2026

The chart shows the D-index (discipline H-index) distribution of Environmental Sciences scientists ranked by Research.com in 2026. The highlighted bar marks where Ken Takahashi sits on this spectrum.

30 D-Index: 12 scientists 31 D-Index: 26 scientists 32 D-Index: 51 scientists 33 D-Index: 88 scientists 34 D-Index: 123 scientists 35 D-Index: 163 scientists 36 D-Index: 206 scientists 37 D-Index: 267 scientists 38 D-Index: 265 scientists 39 D-Index: 275 scientists 40 D-Index: 321 scientists 41 D-Index: 343 scientists 42 D-Index: 305 scientists 43 D-Index: 336 scientists 44 D-Index: 330 scientists 45 D-Index: 348 scientists 46 D-Index: 291 scientists 47 D-Index: 275 scientists 48 D-Index: 272 scientists 49 D-Index: 273 scientists 50 D-Index: 263 scientists 51 D-Index: 232 scientists 52 D-Index: 266 scientists 53 D-Index: 217 scientists 54 D-Index: 199 scientists 55 D-Index: 177 scientists 56 D-Index: 202 scientists 57 D-Index: 204 scientists 58 D-Index: 166 scientists 59 D-Index: 177 scientists 60 D-Index: 166 scientists 61 D-Index: 152 scientists 62 D-Index: 143 scientists 63 D-Index: 150 scientists 64 D-Index: 124 scientists 65 D-Index: 119 scientists 66 D-Index: 120 scientists 67 D-Index: 118 scientists 68 D-Index: 82 scientists 69 D-Index: 98 scientists 70 D-Index: 94 scientists 71 D-Index: 105 scientists 72 D-Index: 74 scientists 73 D-Index: 84 scientists 74 D-Index: 70 scientists 75 D-Index: 67 scientists 76 D-Index: 78 scientists 77 D-Index: 60 scientists 78 D-Index: 59 scientists 79 D-Index: 52 scientists 80 D-Index: 47 scientists 81 D-Index: 38 scientists 82 D-Index: 48 scientists 83 D-Index: 42 scientists 84 D-Index: 42 scientists 85 D-Index: 43 scientists 86 D-Index: 29 scientists 87 D-Index: 37 scientists 88 D-Index: 29 scientists 89 D-Index: 30 scientists 90 D-Index: 34 scientists 91 D-Index: 20 scientists 92 D-Index: 22 scientists 93 D-Index: 17 scientists 94 D-Index: 19 scientists 95 D-Index: 24 scientists 96 D-Index: 21 scientists 97 D-Index: 20 scientists 98 D-Index: 24 scientists 99 D-Index: 17 scientists 100 D-Index: 17 scientists 101 D-Index: 21 scientists 102 D-Index: 25 scientists 103 D-Index: 18 scientists 104 D-Index: 26 scientists 105 D-Index: 19 scientists 106 D-Index: 15 scientists 107 D-Index: 10 scientists 108 D-Index: 13 scientists 109 D-Index: 15 scientists 110 D-Index: 12 scientists 111 D-Index: 8 scientists 112 D-Index: 7 scientists 113 D-Index: 9 scientists 114 D-Index: 6 scientists 115 D-Index: 12 scientists 116 D-Index: 7 scientists 117 D-Index: 8 scientists 118 D-Index: 3 scientists 119 D-Index: 5 scientists 120 D-Index: 7 scientists 121 D-Index: 2 scientists 122 D-Index: 4 scientists 123 D-Index: 8 scientists 124 D-Index: 7 scientists 125+ D-Index: 99 scientists
30 D-Index 125+

This scientist: 64 D-Index — 77th percentile

77% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 125 D-Index or more.

Overview

Ken Takahashi is affiliated with the University of Sydney in Australia and has contributed extensively to the field of medicine, with a focus on multiple subfields including pulmonary and respiratory medicine, hepatology, surgery, molecular biology, and oncology. Their research spans 124 publications primarily grounded in medicine.

The scientist's work frequently appears in several notable academic venues. These include Cancers, Journal of Gastroenterology, Scientific Reports, BMC Public Health, and the International Journal of Environmental Research and Public Health. Takahashi's publication record reflects a strong engagement with research communities in these journals.

Ken Takahashi's research addresses a range of topics, such as:

  • Occupational and environmental lung diseases
  • Hepatocellular carcinoma treatment and prognosis
  • Air quality and health impacts
  • Prenatal screening and diagnostics
  • Immunotherapy and immune responses
  • Pancreatic and hepatic oncology research
  • Interstitial lung diseases and idiopathic pulmonary fibrosis

Some of the recent published papers include:

  • Recent Advances in Immunotherapy for Hepatocellular Carcinoma, 2020, Cancers
  • Pretreatment Neutrophil-to-Lymphocyte Ratio as a Predictive Marker of Response to Atezolizumab Plus Bevacizumab for Hepatocellular Carcinoma, 2021, Current Oncology
  • Artificial intelligence (AI) models for the ultrasonographic diagnosis of liver tumors and comparison of diagnostic accuracies between AI and human experts, 2022, Journal of Gastroenterology
  • Mongolia health situation: based on the Global Burden of Disease Study 2019, 2022, BMC Public Health
  • Global trends and gaps in research related to latent tuberculosis infection, 2020, BMC Public Health

The scientist has collaborated with multiple coauthors on various research projects. The most frequent collaborators include Hiroshi Seno, Yuji Eso, Atsushi Takai, Haruhiko Takeda, and Masako Mishima. These partnerships represent repeated scholarly cooperation across different studies and areas within medical research.

Best Publications

  • Global burden of 369 diseases and injuries in 204 countries and territories, 1990–2019: a systematic analysis for the Global Burden of Disease Study 2019

    Theo Vos;Theo Vos;Theo Vos;Stephen S. Lim;Cristiana Abbafati;Cristiana Abbafati;Cristiana Abbafati;Kaja M. Abbas;Kaja M. Abbas;Kaja M. Abbas

  • Global, regional, and national age-sex-specific mortality for 282 causes of death in 195 countries and territories, 1980-2017: a systematic analysis for the Global Burden of Disease Study 2017

    Gregory A Roth;Gregory A Roth;Degu Abate;Kalkidan Hassen Abate;Solomon M Abay

  • Global burden of 87 risk factors in 204 countries and territories, 1990–2019: a systematic analysis for the Global Burden of Disease Study 2019

    Christopher J.L. Murray;Christopher J.L. Murray;Christopher J.L. Murray;Aleksandr Y. Aravkin;Aleksandr Y. Aravkin;Aleksandr Y. Aravkin;Peng Zheng;Peng Zheng;Peng Zheng;Cristiana Abbafati;Cristiana Abbafati;Cristiana Abbafati

  • Global, regional, and national comparative risk assessment of 79 behavioural, environmental and occupational, and metabolic risks or clusters of risks in 188 countries, 1990-2013: A systematic analysis for the Global Burden of Disease Study 2013

    Mohammad H Forouzanfar;Lily Alexander;H Ross Anderson;Victoria F Bachman

  • Global, regional, and national incidence, prevalence, and years lived with disability for 301 acute and chronic diseases and injuries in 188 countries, 1990-2013: a systematic analysis for the Global Burden of Disease Study 2013

    Theo Vos;Ryan M. Barber;Brad Bell;Amelia Bertozzi-Villa

  • Global, regional, and national life expectancy, all-cause mortality, and cause-specific mortality for 249 causes of death, 1980–2015: a systematic analysis for the Global Burden of Disease Study 2015

    Haidong Wang;Mohsen Naghavi;Christine Allen;Ryan M Barber

  • Global, regional, and national cancer incidence, mortality, years of life lost, years lived with disability, and disability-adjusted life-years for 29 cancer groups, 1990 to 2017

    Christina Fitzmaurice;Degu Abate;Naghmeh Abbasi;Hedayat Abbastabar

  • Global, regional, and national comparative risk assessment of 84 behavioural, environmental and occupational, and metabolic risks or clusters of risks for 195 countries and territories, 1990–2017 : a systematic analysis for the Global Burden of Disease Study 2017

    Jeffrey D. Stanaway;Ashkan Afshin;Emmanuela Gakidou;Stephen S. Lim

  • Global, regional, and national age-sex specific mortality for 264 causes of death, 1980–2016: a systematic analysis for the Global Burden of Disease Study 2016

    Mohsen Naghavi;Amanuel Alemu Abajobir;Cristiana Abbafati;Kaja M Abbas

  • Global, regional, and national comparative risk assessment of 79 behavioural, environmental and occupational, and metabolic risks or clusters of risks in 188 countries, 1990-2013

    Mohammad H. Forouzanfar;Lily Alexander;H. Ross Anderson;Victoria F. Bachman

  • Global, regional, and national comparative risk assessment of 84 behavioural, environmental and occupational, and metabolic risks or clusters of risks, 1990–2016: a systematic analysis for the Global Burden of Disease Study 2016

    Amanuel Alemu Abajobir;Kalkidan Hassen Abate;Cristiana Abbafati;Kaja M. Abbas

  • Global, regional, and national disability-adjusted life years (DALYs) for 306 diseases and injuries and healthy life expectancy (HALE) for 188 countries, 1990-2013 : quantifying the epidemiological transition

    Christopher J. L. Murray;Ryan M. Barber;Kyle J. Foreman;Ayse Abbasoglu Ozgoren

  • El Niño–Southern Oscillation complexity

    Axel Timmermann;Axel Timmermann;Soon Il An;Jong Seong Kug;Fei Fei Jin

  • Global, regional, and national age-sex-specific mortality and life expectancy, 1950-2017: a systematic analysis for the Global Burden of Disease Study 2017

    Daniel Dicker;Grant Nguyen;Degu Abate;Kalkidan Hassen Abate

  • ENSO and greenhouse warming

    Wenju Cai;Wenju Cai;Agus Santoso;Guojian Wang;Sang Wook Yeh

  • Increased frequency of extreme La Niña events under greenhouse warming

    Wenju Cai;Wenju Cai;Guojian Wang;Guojian Wang;Agus Santoso;Michael J. Mcphaden

  • ENSO regimes: Reinterpreting the canonical and Modoki El Niño

    Ken Takahashi;A. Montecinos;Katerina Goubanova;Boris Dewitte

  • Climate impacts of the El Niño–Southern Oscillation on South America

    Wenju Cai;Wenju Cai;Michael J. McPhaden;Alice M. Grimm;Regina R. Rodrigues

  • Record-breaking warming and extreme drought in the Amazon rainforest during the course of El Niño 2015–2016

    Juan C. Jiménez-Muñoz;Cristian Mattar;Jonathan Barichivich;Andrés Santamaría-Artigas

  • Increased variability of eastern Pacific El Niño under greenhouse warming

    Wenju Cai;Guojian Wang;Guojian Wang;Boris Dewitte;Lixin Wu

  • Probing the Fast and Slow Components of Global Warming by Returning Abruptly to Preindustrial Forcing

    Isaac M. Held;Michael Winton;Ken Takahashi;Thomas Delworth

  • Decreased Serum Free Testosterone in Workers Exposed to High Levels of Di-n-butyl Phthalate (DBP) and Di-2-ethylhexyl Phthalate (DEHP): A Cross-Sectional Study in China

    Guowei Pan;Tomoyuki Hanaoka;Mariko Yoshimura;Shujuan Zhang

  • Observing and Predicting the 2015/16 El Niño

    Michelle L. L’Heureux;Ken Takahashi;Andrew B. Watkins;Anthony G. Barnston

  • STATE OF THE CLIMATE IN 2017

    R. Abernethy;Steven A. Ackerman;R. Adler;Adelina Albanil Encarnación

Frequent Co-Authors

Maziar Moradi-Lakeh
Maziar Moradi-Lakeh Iran University of Medical Sciences
Ted R. Miller
Ted R. Miller Pacific Institute
Theo Vos
Theo Vos Institute for Health Metrics and Evaluation
Christopher J L Murray
Christopher J L Murray University of Washington
Bach Xuan Tran
Bach Xuan Tran Vietnam National University, Hanoi
Boris Dewitte
Boris Dewitte Center for Advanced Studies in Arid Zones (CEAZA)
Ali H. Mokdad
Ali H. Mokdad University of Washington
Alan D. Lopez
Alan D. Lopez University of Melbourne
Francesco S. Violante
Francesco S. Violante University of Bologna
Foad Abd-Allah
Foad Abd-Allah Cairo University

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