World's Best Scientists 2026 revealed!

D-Index & Metrics

Social Sciences and Humanities

D-Index
39
Citations
29459
World Ranking
5449
National Ranking
914

John Humphrey publication distribution in Social Sciences and Humanities in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Social Sciences and Humanities in 2026. The highlighted bar marks where John Humphrey sits on this spectrum.

44–53 publications: 28 scientists 54–63 publications: 61 scientists 64–73 publications: 161 scientists 74–83 publications: 225 scientists 84–93 publications: 301 scientists 94–103 publications: 390 scientists 104–113 publications: 406 scientists 114–123 publications: 474 scientists 124–133 publications: 453 scientists 134–143 publications: 434 scientists 144–153 publications: 407 scientists 154–163 publications: 411 scientists 164–173 publications: 391 scientists 174–183 publications: 313 scientists 184–193 publications: 319 scientists 194–203 publications: 304 scientists 204–213 publications: 285 scientists 214–223 publications: 246 scientists 224–233 publications: 213 scientists 234–243 publications: 170 scientists 244–253 publications: 167 scientists 254–263 publications: 162 scientists 264–273 publications: 138 scientists 274–283 publications: 138 scientists 284–293 publications: 113 scientists 294–303 publications: 106 scientists 304–313 publications: 95 scientists 314–323 publications: 101 scientists 324–333 publications: 81 scientists 334–343 publications: 69 scientists 344–353 publications: 56 scientists 354–363 publications: 36 scientists 364–373 publications: 42 scientists 374–383 publications: 41 scientists 384–393 publications: 44 scientists 394–403 publications: 27 scientists 404–413 publications: 30 scientists 414–423 publications: 20 scientists 424–433 publications: 29 scientists 434–443 publications: 29 scientists 444–453 publications: 25 scientists 454–463 publications: 19 scientists 464–473 publications: 21 scientists 474–483 publications: 11 scientists 484–493 publications: 17 scientists 494–503 publications: 7 scientists 504–513 publications: 6 scientists 514–523 publications: 12 scientists 524–533 publications: 10 scientists 534–543 publications: 7 scientists 544–553 publications: 6 scientists 554–563 publications: 12 scientists 564–569 publications: 8 scientists 570+ publications: 100 scientists
44 publications 570+

This scientist: 117 publications — 23rd percentile

23% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 570 publications or more.

John Humphrey D-index placement in Social Sciences and Humanities in 2026

The chart shows the D-index (discipline H-index) distribution of Social Sciences and Humanities scientists ranked by Research.com in 2026. The highlighted bar marks where John Humphrey sits on this spectrum.

30 D-Index: 177 scientists 31 D-Index: 210 scientists 32 D-Index: 222 scientists 33 D-Index: 188 scientists 34 D-Index: 181 scientists 35 D-Index: 243 scientists 36 D-Index: 261 scientists 37 D-Index: 272 scientists 38 D-Index: 278 scientists 39 D-Index: 300 scientists 40 D-Index: 297 scientists 41 D-Index: 308 scientists 42 D-Index: 313 scientists 43 D-Index: 300 scientists 44 D-Index: 269 scientists 45 D-Index: 260 scientists 46 D-Index: 228 scientists 47 D-Index: 251 scientists 48 D-Index: 203 scientists 49 D-Index: 186 scientists 50 D-Index: 187 scientists 51 D-Index: 166 scientists 52 D-Index: 138 scientists 53 D-Index: 141 scientists 54 D-Index: 131 scientists 55 D-Index: 137 scientists 56 D-Index: 109 scientists 57 D-Index: 129 scientists 58 D-Index: 95 scientists 59 D-Index: 105 scientists 60 D-Index: 106 scientists 61 D-Index: 86 scientists 62 D-Index: 94 scientists 63 D-Index: 77 scientists 64 D-Index: 79 scientists 65 D-Index: 59 scientists 66 D-Index: 68 scientists 67 D-Index: 51 scientists 68 D-Index: 49 scientists 69 D-Index: 40 scientists 70 D-Index: 43 scientists 71 D-Index: 40 scientists 72 D-Index: 50 scientists 73 D-Index: 46 scientists 74 D-Index: 43 scientists 75 D-Index: 45 scientists 76 D-Index: 45 scientists 77 D-Index: 30 scientists 78 D-Index: 25 scientists 79 D-Index: 31 scientists 80 D-Index: 29 scientists 81 D-Index: 18 scientists 82 D-Index: 21 scientists 83 D-Index: 26 scientists 84 D-Index: 15 scientists 85 D-Index: 15 scientists 86 D-Index: 19 scientists 87 D-Index: 19 scientists 88 D-Index: 12 scientists 89 D-Index: 7 scientists 90 D-Index: 19 scientists 91 D-Index: 20 scientists 92 D-Index: 13 scientists 93 D-Index: 9 scientists 94 D-Index: 13 scientists 95 D-Index: 8 scientists 96 D-Index: 7 scientists 97 D-Index: 6 scientists 98 D-Index: 6 scientists 99 D-Index: 6 scientists 100+ D-Index: 97 scientists
30 D-Index 100+

This scientist: 39 D-Index — 30th percentile

30% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 100 D-Index or more.

Overview

John Humphrey is affiliated with the University of Sussex in the United Kingdom. Their research spans several core areas within engineering and earth sciences, with extensive focus on hydrocarbon exploration, reservoir analysis, and geological processes.

The main fields of study represented in Humphrey's work are Engineering and Earth and Planetary Sciences. Within these broad areas, their subfields include Mechanics of Materials, Mechanical Engineering, Ocean Engineering, Earth-Surface Processes, and Paleontology.

Humphrey's research topics cover multiple aspects of geoscience and engineering, notably:

  • Hydrocarbon exploration and reservoir analysis
  • Geological formations and processes
  • Hydraulic fracturing and reservoir analysis
  • Drilling and well engineering
  • Geochemistry and geologic mapping
  • Paleontology and stratigraphy of fossils
  • Groundwater and isotope geochemistry

Selected recent publications demonstrate the diversity of Humphrey's research contributions:

  • Integrated Hydrogeological, Hydrochemical, and Isotopic Assessment of Seawater Intrusion into Coastal Aquifers in Al-Qatif Area, Eastern Saudi Arabia (2022), published in Molecules
  • Total organic carbon (TOC) quantification using artificial neural networks: Improved prediction by leveraging XRF data (2021), published in Journal of Petroleum Science and Engineering
  • Artificial Intelligence-Based Model of Mineralogical Brittleness Index Based on Rock Elemental Compositions (2022), published in Arabian Journal for Science and Engineering
  • Suitability of treated wastewater for irrigation and its impact on groundwater resources in arid coastal regions: Insights for water resources sustainability (2024), published in Heliyon
  • Evaluating properties of Arabian desert sands for use in solar thermal technologies (2021), published in Solar Energy Materials and Solar Cells

Humphrey is frequently published in several venues, with the highest number of publications appearing in:

  • Marine and Petroleum Geology
  • Zenodo (CERN European Organization for Nuclear Research)
  • Arabian Journal for Science and Engineering
  • SSRN Electronic Journal
  • Journal of Petroleum Science and Engineering

Collaboration is a notable aspect of Humphrey's academic activity. Regular coauthors include:

  • Omar Radwan
  • Ammar El-Husseiny
  • Khalid Al-Ramadan
  • Hassan A. Eltom
  • Septriandi A. Chan

Best Publications

  • The governance of global value chains

    Gary Gereffi;John Humphrey;Timothy J. Sturgeon

  • How does insertion in global value chains affect upgrading in industrial clusters

    John Humphrey;Hubert Schmitz

  • Governance and Upgrading: Linking Industrial Cluster and Global Value Chain Research

    Hubert Schmitz;John Humphrey

  • Governance in global value chains

    John Humphrey;Hubert Schmitz

  • Governance and Trade in Fresh Vegetables: The Impact of UK Supermarkets on the African Horticulture Industry

    Catherine S. Dolan;John Humphrey

  • Introduction: Globalisation, Value Chains and Development

    Gary Gereffi;John Humphrey;Raphael Kaplinsky;Timothy J. Sturgeon

  • The Global Automotive Industry Value Chain: What Prospects for Upgrading by Developing Countries?

    John Humphrey;Olga Memedović

  • Changing Governance Patterns in the Trade in Fresh Vegetables between Africa and the United Kingdom

    Catherine Dolan;John Humphrey

  • Trust and inter‐firm relations in developing and transition economies

    John Humphrey;Hubert Schmitz

  • Understanding the complexities of private standards in global agri-food chains as they impact developing countries.

    Spencer Henson;John Humphrey

  • The Triple C approach to local industrial policy

    John Humphrey;Hubert Schmitz

  • Developing country firms in the world economy : governance and upgrading in global value chains

    John Humphrey;Hubert Schmitz

  • Globalization and supply chain networks: the auto industry in Brazil and India

    John Humphrey

  • Chain governance and upgrading: taking stock

    John Humphrey;Hubert Schmitz

  • Horticulture Commodity Chains: The Impact of the UK Market on the African Fresh Vegetable Industry

    Catherine Dolan;John Humphrey;Carla Harris-Pascal

  • The supermarket revolution in developing countries: tidal wave or tough competitive struggle?

    John Humphrey

  • Global value chains in the agrifood sector

    John Humphrey;Olga Memedovic

  • Industrial reorganization in developing countries: From models to trajectories

    John Humphrey

  • Upgrading in Global Value Chains

    John Humphrey

  • Global governance and developing countries: the implications of the rise of China

    Jing Gu;John Humphrey;Dirk Messner

Frequent Co-Authors

Hubert Schmitz
Hubert Schmitz University of Sussex
Spencer Henson
Spencer Henson University of Guelph
Catherine Dolan
Catherine Dolan School of Oriental and African Studies
Gary Gereffi
Gary Gereffi Duke University
Raphael Kaplinsky
Raphael Kaplinsky University of Sussex
Roger Strange
Roger Strange University of Sussex

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