World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
56
Citations
14988
World Ranking
3586
National Ranking
246

Chemistry

D-Index
51
Citations
14084
World Ranking
13778
National Ranking
1012

Willi A. Brand 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 Willi A. Brand 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: 141 publications — 37th percentile

37% of scientists in this discipline score the same or lower.

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

Willi A. Brand 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 Willi A. Brand 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: 56 D-Index — 63rd percentile

63% of scientists in this discipline score the same or lower.

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

Overview

Willi A. Brand is affiliated with the Max Planck Institute for Biogeochemistry in Germany. Their research spans various areas intersecting environmental science and agricultural and biological sciences, with a strong emphasis on isotope analysis and livestock genetics.

The scientist has contributed to multiple fields of study, including:

  • Environmental Science
  • Agricultural and Biological Sciences

Within these domains, their work is further specialized in subfields such as:

  • Ecology
  • Agronomy and Crop Science
  • Genetics
  • Spectroscopy
  • Microbiology

Their research topics include:

  • Isotope Analysis in Ecology
  • Genetic and phenotypic traits in livestock
  • Microbial infections and disease research
  • Animal Disease Management and Epidemiology
  • Milk Quality and Mastitis in Dairy Cows
  • Effects of Environmental Stressors on Livestock
  • Geology and Paleoclimatology Research

Willi A. Brand has published several papers in notable venues, contributing to both methodological and applied scientific knowledge. The frequent publication venues include:

  • Journal of Dairy Science
  • Rapid Communications in Mass Spectrometry
  • Analytical Chemistry

Selected recent papers authored by the scientist are:

  • Predicting pregnancy status from mid-infrared spectroscopy in dairy cow milk using deep learning, 2021, Journal of Dairy Science

Other recent impactful papers within their collaborative network include:

  • Predicting bovine tuberculosis status of dairy cows from mid-infrared spectral data of milk using deep learning, 2020, Journal of Dairy Science
  • USGS44, a new high-purity calcium carbonate reference material for δ13C measurements, 2020, Rapid Communications in Mass Spectrometry
  • How to Couple LC-IRMS with HRMSA Proof-of-Concept Study, 2022, Analytical Chemistry
  • A robust method for direct calibration of isotope ratios in gases against liquid/solid reference materials, including a laboratory comparison for δ13C-CH4, 2020, Rapid Communications in Mass Spectrometry

Willi A. Brand has collaborated frequently with other researchers in their field. Some of the frequent co-authors include:

  • Scott J. Denholm
  • A.T. Wells
  • SL Smith
  • E. Wall
  • M.P. Coffey

Best Publications

  • Referencing strategies and techniques in stable isotope ratio analysis

    Roland A. Werner;Willi A. Brand

  • New Guidelines for δ13C Measurements

    T. B. Coplen;W. A. Brand;M. Gehre;M. Gröning

  • Isotopic compositions of the elements 2013 (IUPAC Technical Report)

    Juris Meija;Tyler B. Coplen;Michael Berglund;Willi A. Brand

  • Atomic weights of the elements 2013 (IUPAC Technical Report)

    Juris Meija;Tyler B. Coplen;Michael Berglund;Willi A. Brand

  • Assessment of international reference materials for isotope-ratio analysis (IUPAC Technical Report)

    Willi A. Brand;Tyler B. Coplen;Jochen Vogl;Martin Rosner

  • Online Sulfur-Isotope Determination Using an Elemental Analyzer Coupled to a Mass Spectrometer

    A. Giesemann;H.-J. Jaeger;A. L. Norman;H. R. Krouse

  • Variations in chemical and physical properties of Amazon forest soils in relation to their genesis

    C. A. Quesada;J. Lloyd;M. Schwarz;S. Patiño;S. Patiño

  • Atomic weights of the elements 2011 (IUPAC Technical Report)

    Michael E. Wieser;Norman Holden;Tyler B. Coplen;John K. Böhlke

  • High precision isotope ratio monitoring techniques in mass spectrometry.

    Willi A. Brand

  • Correction for the 17O interference in δ13C measurements when analyzing CO2 with stable isotope mass spectrometry (IUPAC Technical Report)

    Willi A. Brand;Sergey S. Assonov;Tyler B. Coplen

  • Isotope ratio monitoring gas chromatography/Mass spectrometry of D/H by high temperature conversion isotope ratio mass spectrometry.

    A. W. Hilkert;C. B. Douthitt;H. J. Schlüter;W. A. Brand

  • Automated analysis system for coupled .delta.13C and .delta.15N measurements

    Brian. Fry;Willi. Brand;F. J. Mersch;K. Tholke

  • Stable isotope deltas: Tiny, yet robust signatures in nature

    Willi A. Brand;Tyler B. Coplen

  • Continuous flow 2H/1H and 18O/16O analysis of water samples with dual inlet precision

    Matthias Gehre;Heike Geilmann;J Richter;Roland A Werner

  • Two new organic reference materials for δ13C and δ15N measurements and a new value for the δ13C of NBS 22 oil

    Haiping Qi;Tyler B. Coplen;Heike Geilmann;Willi A. Brand

  • Cavity ring‐down spectroscopy versus high‐temperature conversion isotope ratio mass spectrometry; a case study on δ2H and δ18O of pure water samples and alcohol/water mixtures

    Willi A. Brand;Heike Geilmann;Eric R. Crosson;Chris W. Rella

  • ConFlo III – an interface for high precision δ13C and δ15N analysis with an extended dynamic range

    Roland A. Werner;Beate A. Bruch;Willi A. Brand

  • Comprehensive inter-laboratory calibration of reference materials for delta O-18 versus VSMOW using various on-line high-temperature conversion techniques

    Willi A. Brand;Tyler B. Coplen;Anita T. Aerts-Bijma;John Karl Bohlke

  • Stable isotope ratio mass spectrometry in global climate change research

    Prosenjit Ghosh;Willi A. Brand

  • After two decades a second anchor for the VPDB δ13C scale

    Tyler B. Coplen;Willi A. Brand;Matthias Gehre;Manfred Gröning

Frequent Co-Authors

Tyler B. Coplen
Tyler B. Coplen United States Geological Survey
Thomas Röckmann
Thomas Röckmann Utrecht University
Matthias Gehre
Matthias Gehre Helmholtz Centre for Environmental Research
Ingeborg Levin
Ingeborg Levin Heidelberg University
Harro A. J. Meijer
Harro A. J. Meijer University of Groningen
Frank Keppler
Frank Keppler Heidelberg University
David Lowry
David Lowry Royal Holloway University of London
Euan G. Nisbet
Euan G. Nisbet Royal Holloway University of London
Thomas Prohaska
Thomas Prohaska University of Leoben
Hitoshi Mukai
Hitoshi Mukai National Institute for Environmental Studies

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