World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
52
Citations
11993
World Ranking
4427
National Ranking
1646

Gertjan Medema 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 Gertjan Medema 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: 191 publications — 61st percentile

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

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

Gertjan Medema 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 Gertjan Medema 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: 52 D-Index — 55th percentile

55% of scientists in this discipline score the same or lower.

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

Overview

Gertjan Medema is affiliated with Michigan State University in the United States. Their research primarily spans the fields of Medicine and Environmental Science, with specific subfields including Infectious Diseases, Water Science and Technology, Health, Toxicology and Mutagenesis, Biomedical Engineering, and Pollution.

The main topics covered by their work include:

  • SARS-CoV-2 detection and testing
  • Water Treatment and Disinfection
  • SARS-CoV-2 and COVID-19 Research
  • Biosensors and Analytical Detection
  • Fecal contamination and water quality
  • Wastewater Treatment and Reuse
  • Viral gastroenteritis research and epidemiology

Gertjan Medema has co-authored frequently with several researchers, notably:

  • Leo Heijnen
  • Joan B. Rose
  • Miranda de Graaf
  • Goffe Elsinga
  • Marion Koopmans

Their research has appeared often in a number of publication venues, including:

  • Water Research
  • bioRxiv (Cold Spring Harbor Laboratory)
  • The Science of The Total Environment
  • Journal of Cleaner Production
  • Risk Analysis

The following are some of their recent papers with publication year and venue:

  • Presence of SARS-Coronavirus-2 RNA in Sewage and Correlation with Reported COVID-19 Prevalence in the Early Stage of the Epidemic in The Netherlands, 2020, Environmental Science & Technology Letters
  • Implementation of environmental surveillance for SARS-CoV-2 virus to support public health decisions: Opportunities and challenges, 2020, Current Opinion in Environmental Science & Health
  • Presence of SARS-Coronavirus-2 in sewage, 2020, bioRxiv (Cold Spring Harbor Laboratory)

Other closely associated research papers include works led by other authors but related to the field, such as "Wastewater-Based Epidemiology: Global Collaborative to Maximize Contributions in the Fight Against COVID-19," 2020, Environmental Science & Technology, and "Minimizing errors in RT-PCR detection and quantification of SARS-CoV-2 RNA for wastewater surveillance," 2021, The Science of The Total Environment.

Best Publications

  • Presence of SARS-Coronavirus-2 RNA in Sewage and Correlation with Reported COVID-19 Prevalence in the Early Stage of the Epidemic in the Netherlands

    Gertjan Medema;Leo Heijnen;Goffe Elsinga;Ronald Italiaander

  • Wastewater-Based Epidemiology: Global Collaborative to Maximize Contributions in the Fight Against COVID-19.

    Aaron Bivins;Devin North;Arslan Ahmad;Warish Ahmed

  • Potential impacts of changing supply-water quality on drinking water distribution: A review

    Gang Liu;Ya Zhang;Willem Jan Knibbe;Cuijie Feng

  • Assessment of the risk of infection by Cryptosporidium or Giardia in drinking water from a surface water source

    P.F.M. Teunis;G.J. Medema;L. Kruidenier;A.H. Havelaar

  • Implementation of environmental surveillance for SARS-CoV-2 virus to support public health decisions: opportunities and challenges.

    Gertjan Medema;Gertjan Medema;Frederic Been;Leo Heijnen;Susan Petterson

  • Microbial hazards in irrigation water: standards, norms, and testing to manage use of water in fresh produce primary production.

    Mieke Uyttendaele;Lee-Ann Jaykus;Philip Amoah;Alessandro Chiodini

  • Sedimentation of Free and Attached Cryptosporidium Oocysts and Giardia Cysts in Water

    G. J. Medema;F. M. Schets;P. F. M. Teunis;A. H. Havelaar

  • Minimizing errors in RT-PCR detection and quantification of SARS-CoV-2 RNA for wastewater surveillance

    Warish Ahmed;Stuart L. Simpson;Paul M. Bertsch;Kyle Bibby

  • Assessment of the dose-response relationship of Campylobacter jejuni

    G.J. Medema;P.F.M. Teunis;A.H. Havelaar;C.N. Haas

  • Pyrosequencing Reveals Bacterial Communities in Unchlorinated Drinking Water Distribution System: An Integral Study of Bulk Water, Suspended Solids, Loose Deposits, and Pipe Wall Biofilm

    G. Liu;G. L. Bakker;S. Li;S. Li;J. H. G. Vreeburg

  • Survival of Cryptosporidium parvum, Escherichia coli, faecal enterococci and Clostridium perfringens in river water : Influence of temperature and autochthonous microorganisms

    G. J. Medema;M. Bahar;F. M. Schets

  • Monitoring SARS-CoV-2 Circulation and Diversity through Community Wastewater Sequencing, the Netherlands and Belgium.

    Ray Izquierdo-Lara;Goffe Elsinga;Leo Heijnen;Bas B. Oude Munnink

  • The impact of on-site hospital wastewater treatment on the downstream communal wastewater system in terms of antibiotics and antibiotic resistance genes.

    Gabriela K. Paulus;Luc M. Hornstra;Nikiforos Alygizakis;Jaroslav Slobodnik

  • Salivary levels of immunoglobulin A in triathletes

    Peter A. Steerenberg;Ilse A. van Asperen;Arievan Nieuw Amerongen;Jeike Biewenga

  • The Dutch secret: how to provide safe drinking water without chlorine in the Netherlands

    P.W.M.H. Smeets;G.J. Medema;J.C. Van Dijk

  • Transport of MS2 Phage, Escherichia coli, Clostridium perfringens, Cryptosporidium parvum and Giardia intestinalis in a Gravel and a Sandy Soil •

    Wim A M Hijnen;Anke J Brouwer-Hanzens;Katrina J Charles;Gertjan J Medema

  • GAC adsorption filters as barriers for viruses, bacteria and protozoan (oo)cysts in water treatment.

    W.A.M. Hijnen;G.M.H. Suylen;J.A. Bahlman;A. Brouwer-Hanzens

  • Quantitative detection of E. coli, E. coli O157 and other shiga toxin producing E. coli in water samples using a culture method combined with real-time PCR.

    Leo Heijnen;Gertjan Medema

  • Assessing the origin of bacteria in tap water and distribution system in an unchlorinated drinking water system by SourceTracker using microbial community fingerprints.

    Gang Liu;Ya Zhang;Ed van der Mark;Aleksandra Magic-Knezev

  • Safe Drinking Water: An ongoing challenge

    GJ Medema;P Payment;W Robertson;M Waite

Frequent Co-Authors

Jack F. Schijven
Jack F. Schijven Utrecht University
Arie H. Havelaar
Arie H. Havelaar University of Florida
Joan B. Rose
Joan B. Rose Michigan State University
Wen-Tso Liu
Wen-Tso Liu University of Illinois at Urbana-Champaign
Carolien Kroeze
Carolien Kroeze Wageningen University & Research
Luuk C. Rietveld
Luuk C. Rietveld Delft University of Technology
Warish Ahmed
Warish Ahmed Commonwealth Scientific and Industrial Research Organisation
Michèle Prévost
Michèle Prévost Polytechnique Montréal
Rosina Girones
Rosina Girones University of Barcelona
Kyle Bibby
Kyle Bibby University of Notre Dame

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