World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
42
Citations
6125
World Ranking
7465
National Ranking
104

Ulas Im 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 Ulas Im 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: 282 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: 26 scientists 501–510 publications: 17 scientists 511–520 publications: 19 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 681–689 publications: 4 scientists 690+ publications: 100 scientists
41 publications 690+

This scientist: 124 publications — 26th percentile

26% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 690 publications or more.

Ulas Im 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 Ulas Im 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: 198 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: 20 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: 9 scientists 126+ D-Index: 92 scientists
30 D-Index 126+

This scientist: 42 D-Index — 25th percentile

25% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 126 D-Index or more.

Overview

Ulas Im is affiliated with Aarhus University in Denmark. Their research primarily focuses on environmental science and earth and planetary sciences, with a particular emphasis on atmospheric science and related subfields.

The main fields of study covered by Ulas Im include:

  • Environmental Science
  • Earth and Planetary Sciences

Their work extends across several subfields, such as:

  • Atmospheric Science
  • Health, Toxicology and Mutagenesis
  • Global and Planetary Change
  • Environmental Engineering
  • Automotive Engineering

Ulas Im's research topics frequently address:

  • Air Quality and Health Impacts
  • Atmospheric chemistry and aerosols
  • Atmospheric and Environmental Gas Dynamics
  • Atmospheric Ozone and Climate
  • Vehicle emissions and performance
  • Air Quality Monitoring and Forecasting
  • Climate Change and Health Impacts

They have published extensively in several frequent venues, including:

  • Atmospheric chemistry and physics
  • Atmospheric Environment
  • Geoscientific model development
  • European Centre for Medium-Range Weather Forecasts
  • Environment International

Their recent papers include:

  • Air pollution, road traffic noise and lack of greenness and risk of type 2 diabetes: A multi-exposure prospective study covering Denmark, 2022, Environment International
  • The influence of residential wood combustion on the concentrations of PM 2.5 in four Nordic cities, 2020, Atmospheric chemistry and physics
  • Contribution of fine particulate matter to present and future premature mortality over Europe: A non-linear response, 2021, Environment International
  • Evaluation of multidecadal high-resolution atmospheric chemistry-transport modelling for exposure assessments in the continental Nordic countries, 2022, Atmospheric Environment
  • Deaths Attributable to Air Pollution in Nordic Countries: Disparities in the Estimates, 2020, Atmosphere

Ulas Im works collaboratively with several frequent coauthors, including:

  • Jesper Heile Christensen
  • Jørgen Brandt
  • Camilla Geels
  • Lise Marie Frohn
  • Kostas Tsigaridis

They have contributed to book publications as well, such as a policy brief titled Policy brief: Integrating Nordic air quality and climate policies published by Nordic Council of Ministers eBooks in 2023.

Best Publications

  • Evaluating the climate and air quality impacts of short-lived pollutants

    Andreas Stohl;Borgar Aamaas;M Amann;LH Baker

  • Tropospheric Ozone Assessment Report:Assessment of global-scale model performance for global and regional ozone distributions, variability, and trends

    P. J. Young;V. Naik;A. M. Fiore;A. M. Fiore;A. Gaudel;A. Gaudel

  • Tropospheric Ozone Assessment Report: Database and Metrics Data of Global Surface Ozone Observations

    Martin G. Schultz;Sabine Schröder;Olga Lyapina;Owen Cooper

  • Megacities as hot spots of air pollution in the East Mediterranean

    Maria Kanakidou;Nikolaos Mihalopoulos;Tayfun Kindap;Ulas Im

  • Desert Dust, Industrialization, and Agricultural Fires: Health Impacts of Outdoor Air Pollution in Africa

    Susanne E. Bauer;Ulas Im;Keren Mezuman;Keren Mezuman;Chloe Y. Gao;Chloe Y. Gao

  • Evaluation of operational on-line-coupled regional air quality models over Europe and North America in the context of AQMEII phase 2. Part I: Ozone

    Ulas Im;Roberto Bianconi;Efisio Solazzo;Ioannis Kioutsioukis

  • Evaluation of operational online-coupled regional air quality models over Europe and North America in the context of AQMEII phase 2. Part II: Particulate matter

    Ulas Im;Roberto Bianconi;Efisio Solazzo;Ioannis Kioutsioukis

  • Climate change in Turkey for the last half century

    Mete Tayanç;Ulaş İm;Murat Doğruel;Mehmet Karaca

  • Feedbacks between air pollution and weather, Part 1: Effects on weather

    P.A. Makar;W. Gong;J. Milbrandt;C. Hogrefe

  • Feedbacks between air pollution and weather, part 2: Effects on chemistry

    P.A. Makar;W. Gong;C. Hogrefe;Y. Zhang

  • Analysis of the WRF-Chem contributions to AQMEII phase2 with respect to aerosol radiative feedbacks on meteorology and pollutant distributions

    Renate Forkel;Alessandra Balzarini;Rocio Baró;Roberto Bianconi

  • Uncertainties of simulated aerosol optical properties induced by assumptions on aerosol physical and chemical properties: An AQMEII-2 perspective

    G. Curci;C. Hogrefe;R. Bianconi;U. Im

  • Particulate matter (PM10) in Istanbul: Origin, source areas and potential impact on surrounding regions

    Mustafa Kocak;C. Theodosi;P. Zarmpas;U. Im

  • Comparative analysis of meteorological performance of coupled chemistry-meteorology models in the context of AQMEII phase 2

    Dominik Brunner;Nicholas Savage;Oriol Jorba;Brian Eder

  • The impact of temperature changes on summer time ozone and its precursors in the Eastern Mediterranean

    U. Im;K. Markakis;A. Poupkou;D. Melas

  • Aerosol chemical composition over Istanbul

    C. Theodosi;U. Im;A. Bougiatioti;P. Zarmpas

  • Study of a winter PM episode in Istanbul using the high resolution WRF/CMAQ modeling system

    Ulas Im;Kostandinos Markakis;Alper Unal;Tayfun Kindap

  • Assessment and economic valuation of air pollution impacts on human health over Europe and the United States as calculated by a multi-model ensemble in the framework of AQMEII3

    Ulas Im;Jørgen Brandt;Camilla Geels;Kaj Mantzius Hansen

  • Evaluation and error apportionment of an ensemble of atmospheric chemistry transport modeling systems: multivariable temporal and spatial breakdown

    Efisio Solazzo;Roberto Bianconi;Christian Hogrefe;Gabriele Curci

  • Analysis of meteorology-chemistry interactions during air pollution episodes using online coupled models within AQMEII Phase-2

    Xin Kong;Renate Forkel;Ranjeet S. Sokhi;Peter Suppan

  • HTAP2 multi-model estimates of premature human mortality due to intercontinental transport of air pollution and emission sectors

    Ciao Kai Liang;James Jason West;Raquel A. Silva;Huisheng Bian

Frequent Co-Authors

Jørgen Brandt
Jørgen Brandt Aarhus University
Jesper H. Christensen
Jesper H. Christensen Aarhus University
Camilla Geels
Camilla Geels Aarhus University
Pedro Jiménez-Guerrero
Pedro Jiménez-Guerrero University of Murcia
Christian Hogrefe
Christian Hogrefe Environmental Protection Agency
Gabriele Curci
Gabriele Curci University of L'Aquila
Guido Pirovano
Guido Pirovano World Meteorological Organization
Matthias Ketzel
Matthias Ketzel University of Surrey
Maria Kanakidou
Maria Kanakidou University of Crete
Efisio Solazzo
Efisio Solazzo European Food Safety Authority

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