World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
41
Citations
5761
World Ranking
7802
National Ranking
193

Graham Jewitt 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 Graham Jewitt 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: 121 publications — 24th percentile

24% of scientists in this discipline score the same or lower.

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

Graham Jewitt 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 Graham Jewitt 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: 41 D-Index — 22nd percentile

22% of scientists in this discipline score the same or lower.

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

Overview

Graham Jewitt is affiliated with the IHE Delft Institute for Water Education in the Netherlands. Their scholarly work primarily spans the field of Environmental Science, with a particular focus on Water Science and Technology.

The scientist's research covers various subfields, including Pollution, Global and Planetary Change, Ocean Engineering, and Nature and Landscape Conservation. Their investigations contribute to understanding and managing complex environmental systems, particularly relating to water resources.

Jewitt's research topics include:

  • Water-Energy-Food Nexus Studies
  • Energy and Environment Impacts
  • Water resources management and optimization
  • Hydrology and Watershed Management Studies
  • Flood Risk Assessment and Management
  • Hybrid Renewable Energy Systems
  • Fish Ecology and Management Studies

The scientist has published papers in a range of journals, with multiple contributions to venues such as SSRN Electronic Journal, Hydrology and Earth System Sciences, Frontiers in Water, Frontiers in Environmental Science, and Environmental Science & Policy.

Some recent papers authored or co-authored by Graham Jewitt include:

  • Streamflow droughts aggravated by human activities despite management, 2022, Environmental Research Letters
  • Lake Malawi's threshold behaviour: A stakeholder-informed model to simulate sensitivity to climate change, 2020, Journal of Hydrology
  • Uncertainty assessment of satellite remote-sensing-based evapotranspiration estimates: a systematic review of methods and gaps, 2023, Hydrology and Earth System Sciences
  • The Water-Energy-Food Nexus Index: A Tool to Support Integrated Resource Planning, Management and Security, 2022, Frontiers in Water
  • Understanding gender differences in availability, accessibility and use of climate information among smallholder farmers in Malawi, 2020, Climate and Development

The scientist frequently collaborates with other researchers, including Sara Masia, Janez Sušnik, Tafadzwanashe Mabhaudhi, Marloes Mul, and Gareth Simpson, with whom they have multiple joint publications.

Best Publications

  • Impacts of climate change on water resources in southern Africa: A review

    Samuel Kusangaya;Michele L. Warburton;Emma Archer van Garderen;Graham P.W. Jewitt

  • The Development of the Water-Energy-Food Nexus as a Framework for Achieving Resource Security: A Review

    Gareth B. Simpson;Graham P. W. Jewitt

  • A GIS-based approach for identifying potential runoff harvesting sites in the Thukela River basin, South Africa

    G. de Winnaar;G.P.W. Jewitt;M. Horan

  • Mapping ecosystem services across scales and continents – A review

    Rebecka Malinga;Line J. Gordon;Graham Jewitt;Regina Lindborg

  • A watershed approach to upgrade rainfed agriculture in water scarce regions through Water System Innovations: an integrated research initiative on water for food and rural livelihoods in balance with ecosystem functions

    J. Rockström;J. Rockström;C. Folke;L. Gordon;N. Hatibu

  • Can Integrated Water Resources Management sustain the provision of ecosystem goods and services

    Graham Jewitt

  • Hydrological impacts of land use change in three diverse South African catchments

    Michele L. Warburton;Roland E. Schulze;Graham P.W. Jewitt

  • Effects of land use and land cover changes on water quality in the uMngeni river catchment, South Africa

    Jean Nepomuscene Namugize;Graham Jewitt;Mark Graham

  • Complexity, Modeling, and Natural Resource Management

    Paul Cilliers;Harry C. Biggs;Sonja Blignaut;Aiden G. Choles

  • A sweet deal? Sugarcane, water and agricultural transformation in Sub-Saharan Africa

    T. M. Hess;J. Sumberg;T. Biggs;Matei Georgescu

  • Streamflow droughts aggravated by human activities despite management

    Unknown

  • Controlling factors of sheet erosion under degraded grasslands in the sloping lands of KwaZulu-Natal, South Africa

    P. Dlamini;C. Orchard;G. Jewitt;S. Lorentz

  • The bioenergy and water nexus

    Shabbir H. Gheewala;Göran Berndes;Graham Jewitt

  • Confirmation of ACRU model results for applications in land use and climate change studies

    M. L. Warburton;R. E. Schulze;G. P. W. Jewitt

  • Using Participatory Scenario Planning to Identify Ecosystem Services in Changing Landscapes

    Rebecka Malinga;Line J. Gordon;Regina Lindborg;Graham Jewitt

  • Spatial mapping of leaf area index using hyperspectral remote sensing for hydrological applications with a particular focus on canopy interception

    H. H. Bulcock;G. P. W. Jewitt

  • Water resources planning and modelling tools for the assessment of land use change in the Luvuvhu Catchment, South Africa

    G.P.W. Jewitt;J.A. Garratt;I.R. Calder;L. Fuller

  • Field data collection and analysis of canopy and litter interception in commercial forest plantations in the KwaZulu-Natal Midlands, South Africa

    H. H. Bulcock;G. P. W. Jewitt

  • Integrating blue and green water flows for water resources management and planning

    Graham Jewitt

  • A hydrological perspective of the February 2000 floods : A case study in the Sabie River Catchment

    J.C. Smithers;R.E. Schulze;A. Pike;G.P.W. Jewitt

  • No-Till Impact on Soil and Soil Organic Carbon Erosion under Crop Residue Scarcity in Africa

    Charmaine N. Mchunu;Simon Lorentz;Graham Jewitt;Alan Manson

Frequent Co-Authors

Vincent Chaplot
Vincent Chaplot University of KwaZulu-Natal
Roland Schulze
Roland Schulze University of KwaZulu-Natal
Stefan Uhlenbrook
Stefan Uhlenbrook International Water Management Institute
Line Gordon
Line Gordon Stockholm Resilience Centre
Suraje Dessai
Suraje Dessai University of Leeds
Jonathan S. Price
Jonathan S. Price University of Waterloo
Colleen T. Downs
Colleen T. Downs University of KwaZulu-Natal
Declan Conway
Declan Conway London School of Economics and Political Science
Regina Lindborg
Regina Lindborg Stockholm University
Johan Rockström
Johan Rockström Potsdam Institute for Climate Impact Research

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