World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
58
Citations
13556
World Ranking
3237
National Ranking
25

Sagnik Dey 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 Sagnik Dey 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: 204 publications — 66th percentile

66% of scientists in this discipline score the same or lower.

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

Sagnik Dey 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 Sagnik Dey 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: 58 D-Index — 67th percentile

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

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

Overview

Sagnik Dey is affiliated with the Indian Institute of Technology Delhi in India. Their research primarily focuses on environmental science, with a significant emphasis on air quality and its impacts on health and the environment.

Their work spans several specialized subfields including health, toxicology and mutagenesis; global and planetary change; atmospheric science; pollution; and environmental engineering. These areas reflect a multidisciplinary approach to understanding complex environmental issues.

The main topics covered in their research include:

  • Air Quality and Health Impacts
  • Climate Change and Health Impacts
  • Energy and Environment Impacts
  • Atmospheric chemistry and aerosols
  • Air Quality Monitoring and Forecasting
  • Atmospheric aerosols and clouds
  • COVID-19 impact on air quality

They have published extensively in several key venues in the environmental sciences, including:

  • ISEE Conference Abstracts
  • Environmental Research Letters
  • Atmospheric Environment
  • Environmental Science & Technology
  • Environmental Research Communications

Frequent collaborators in their research include:

  • Santu Ghosh
  • Dilip Ganguly
  • Ekta Chaudhary
  • Sourangsu Chowdhury
  • Alok Kumar

Notable recent papers authored or coauthored by Sagnik Dey include:

  • "Health and economic impact of air pollution in the states of India: the Global Burden of Disease Study 2019" (2020), published in The Lancet Planetary Health
  • "Subnational mapping of under-5 and neonatal mortality trends in India: the Global Burden of Disease Study 2000-17" (2020), published in The Lancet
  • "Mortality Attributable to Ambient Air Pollution: A Review of Global Estimates" (2022), published in GeoHealth
  • "A review of statistical methods used for developing large-scale and long-term PM2.5 models from satellite data" (2021), published in Remote Sensing of Environment
  • "A Satellite-Based High-Resolution (1-km) Ambient PM2.5 Database for India over Two Decades (2000-2019): Applications for Air Quality Management" (2020), published in Remote Sensing

Best Publications

  • Nations within a nation: variations in epidemiological transition across the states of India, 1990–2016 in the Global Burden of Disease Study

    Lalit Dandona;Rakhi Dandona;G Anil Kumar;D K Shukla

  • The impact of air pollution on deaths, disease burden, and life expectancy across the states of India: the Global Burden of Disease Study 2017

    Kalpana Balakrishnan;Sagnik Dey;Tarun Gupta;R S Dhaliwal

  • Health and economic impact of air pollution in the states of India: the Global Burden of Disease Study 2019

    Anamika Pandey;Michael Brauer;Maureen L Cropper;Kalpana Balakrishnan

  • Variability of aerosol parameters over Kanpur, northern India

    R. P. Singh;R. P. Singh;Sagnik Dey;S. N. Tripathi;Vinod Tare

  • Influence of dust storms on the aerosol optical properties over the Indo‐Gangetic basin

    Sagnik Dey;Sachchida Nand Tripathi;Ramesh P. Singh;Ramesh P. Singh;B. N. Holben

  • Global, regional, and national progress towards Sustainable Development Goal 3.2 for neonatal and child health: all-cause and cause-specific mortality findings from the Global Burden of Disease Study 2019.

    Katherine R Paulson;Aruna M Kamath;Tahiya Alam;Kelly Bienhoff

  • The burden of chronic respiratory diseases and their heterogeneity across the states of India: the Global Burden of Disease Study 1990–2016

    Sundeep Salvi;G Anil Kumar;R S Dhaliwal;Katherine Paulson

  • A climatology of aerosol optical and microphysical properties over the Indian subcontinent from 9 years (2000–2008) of Multiangle Imaging Spectroradiometer (MISR) data

    Sagnik Dey;Larry Di Girolamo

  • Aerosol black carbon radiative forcing at an industrial city in northern India

    S. N. Tripathi;Sagnik Dey;V. Tare;S. K. Satheesh

  • Variability of outdoor fine particulate (PM2.5) concentration in the Indian Subcontinent: A remote sensing approach

    Sagnik Dey;Larry Di Girolamo;Aaron van Donkelaar;S.N. Tripathi

  • Surface latent heat flux as an earthquake precursor

    S. Dey;R. P. Singh

  • Mapping 123 million neonatal, infant and child deaths between 2000 and 2017

    Roy Burstein;Nathaniel J. Henry;Michael L. Collison;Laurie B. Marczak

  • Comparison of MODIS and AERONET derived aerosol optical depth over the Ganga Basin, India

    S. N. Tripathi;Sagnik Dey;A. Chandel;S. Srivastava

  • Cause-specific premature death from ambient PM2.5 exposure in India: Estimate adjusted for baseline mortality.

    Sourangsu Chowdhury;Sagnik Dey

  • Inferring absorbing organic carbon content from AERONET data

    A. Arola;G. Schuster;G. Myhre;S. Kazadzis

  • Indian annual ambient air quality standard is achievable by completely mitigating emissions from household sources.

    Sourangsu Chowdhury;Sourangsu Chowdhury;Sagnik Dey;Sarath Guttikunda;Ajay Pillarisetti

  • A decade of change in aerosol properties over the Indian subcontinent

    Sagnik Dey;Larry Di Girolamo

  • Ambient PM 2.5 exposure and expected premature mortality to 2100 in India under climate change scenarios

    Sourangsu Chowdhury;Sagnik Dey;Kirk R. Smith

  • Subnational mapping of under-5 and neonatal mortality trends in India: the Global Burden of Disease Study 2000–17

    Rakhi Dandona;G Anil Kumar;Nathaniel J Henry;Vasna Joshua

  • A review of statistical methods used for developing large-scale and long-term PM2.5 models from satellite data

    Unknown

  • Measurements of atmospheric parameters during Indian Space Research Organization Geosphere Biosphere Programme Land Campaign II at a typical location in the Ganga basin: 1. Physical and optical properties

    Vinod Tare;S. N. Tripathi;N. Chinnam;A. K. Srivastava

  • Global warming and local air pollution have reduced wheat yields in India

    Ridhima Gupta;E. Somanathan;Sagnik Dey

Frequent Co-Authors

Sachchida Nand Tripathi
Sachchida Nand Tripathi Indian Institute of Technology Kanpur
Ramesh P. Singh
Ramesh P. Singh Chapman University
U. C. Mohanty
U. C. Mohanty Indian Institute of Technology Bhubaneswar
Atul Kumar Srivastava
Atul Kumar Srivastava Indian Institute of Tropical Meteorology
Rakhi Dandona
Rakhi Dandona Public Health Foundation of India
Randall V. Martin
Randall V. Martin Washington University in St. Louis
Michael Brauer
Michael Brauer University of British Columbia
Tarun Gupta
Tarun Gupta Indian Institute of Technology Kanpur
Theo Vos
Theo Vos Institute for Health Metrics and Evaluation
Brent N. Holben
Brent N. Holben Goddard Space Flight Center

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