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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Environmental Sciences 48 5529 5302 2022 1872 168 8973

Mohamad Hejazi publications per year

The chart shows the history of publications by Mohamad Hejazi between 2006 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Mohamad Hejazi published across 21 years, from 2006 to 2026, averaging 10.8 papers a year. Output peaked at 33 publications in 2018. 21 of the 226 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 2006 to 2026. Vertical axis: number of publications, 0 to 33. Peak 33 publications in 2018. 2006: 1 publication 2007: 3 publications 2008: 5 publications 2009: 4 publications 2010: 2 publications 2011: 4 publications 2012: 3 publications 2013: 10 publications 2014: 6 publications 2015: 12 publications 2016: 9 publications 2017: 14 publications 2018: 33 publications 2019: 24 publications 2020: 17 publications 2021: 18 publications 2022: 8 publications 2023: 12 publications 2024: 20 publications 2025: 14 publications 2026: 7 publications
2006 2026

226 publications in total across all disciplines

View publications per year as a table
Mohamad Hejazi: publications per year, 2006 to 2026
Year Publications
2006 1
2007 3
2008 5
2009 4
2010 2
2011 4
2012 3
2013 10
2014 6
2015 12
2016 9
2017 14
2018 33
2019 24
2020 17
2021 18
2022 8
2023 12
2024 20
2025 14
2026 7
Total 226
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Mohamad Hejazi 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 Mohamad Hejazi sits on this spectrum.

No. of scientists
200 400 600
Bar chart with 66 bars. Horizontal axis: publications, 41–50 to 690+. Vertical axis: number of scientists, 0 to 617. Most scientists, 617, have 121–130 publications. The last bar groups every scientist with 690 publications or more. The highlighted bar, 161–170 publications, is where this scientist sits. 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
41–50 publications 690+

This scientist: 168 publications — 51st percentile

51% of scientists in this discipline score the same or lower.

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

View publications distribution as a table
Number of Environmental Sciences scientists by publication count, Research.com 2026 ranking edition. Based on 9,676 ranked scientists.
Publications Scientists This scientist
41–50 21
51–60 62
61–70 133
71–80 257
81–90 361
91–100 440
101–110 492
111–120 541
121–130 617
131–140 544
141–150 541
151–160 539
161–170 444 168
171–180 444
181–190 400
191–200 377
201–210 318
211–220 282
221–230 263
231–240 220
241–250 217
251–260 180
261–270 181
271–280 155
281–290 130
291–300 127
301–310 130
311–320 85
321–330 106
331–340 80
341–350 83
351–360 75
361–370 69
371–380 52
381–390 54
391–400 56
401–410 44
411–420 40
421–430 36
431–440 25
441–450 25
451–460 32
461–470 29
471–480 21
481–490 26
491–500 26
501–510 17
511–520 19
521–530 15
531–540 22
541–550 12
551–560 15
561–570 11
571–580 19
581–590 9
591–600 9
601–610 7
611–620 11
621–630 5
631–640 5
641–650 6
651–660 3
661–670 3
671–680 4
681–689 4
690+ 100
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Mohamad Hejazi 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 Mohamad Hejazi sits on this spectrum.

No. of scientists
100 200 300
Bar chart with 97 bars. Horizontal axis: D-Index, 30 to 126+. Vertical axis: number of scientists, 0 to 348. Most scientists, 348, have 45 D-Index. The last bar groups every scientist with 126 D-Index or more. The highlighted bar, 48 D-Index, is where this scientist sits. 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: 48 D-Index — 44th percentile

44% of scientists in this discipline score the same or lower.

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

View D-Index distribution as a table
Number of Environmental Sciences scientists by D-index, Research.com 2026 ranking edition. Based on 9,676 ranked scientists.
D-Index Scientists This scientist
30 12
31 26
32 51
33 88
34 123
35 163
36 206
37 267
38 265
39 275
40 321
41 343
42 305
43 336
44 330
45 348
46 291
47 275
48 272 48
49 273
50 263
51 232
52 266
53 217
54 198
55 177
56 202
57 204
58 166
59 177
60 166
61 152
62 143
63 150
64 124
65 119
66 120
67 118
68 82
69 98
70 94
71 105
72 74
73 84
74 70
75 67
76 78
77 60
78 59
79 52
80 47
81 38
82 48
83 42
84 42
85 43
86 29
87 37
88 29
89 30
90 34
91 20
92 22
93 17
94 19
95 24
96 21
97 20
98 24
99 17
100 17
101 21
102 25
103 18
104 26
105 20
106 15
107 10
108 13
109 15
110 12
111 8
112 7
113 9
114 6
115 12
116 7
117 8
118 3
119 5
120 7
121 2
122 4
123 8
124 7
125 9
126+ 92
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Overview

Mohamad Hejazi is affiliated with the Pacific Northwest National Laboratory in the United States. Their research primarily focuses on environmental science and engineering, with substantial contributions to areas relating to water resources and energy systems.

The scientist's recent publications include works in high-impact journals, reflecting a broad scope of interdisciplinary studies. Notable papers include:

  • Evaluating the economic impact of water scarcity in a changing world, 2021, Nature Communications
  • Impacts of climate change on energy systems in global and regional scenarios, 2020, Nature Energy
  • Global land use for 2015-2100 at 0.05° resolution under diverse socioeconomic and climate scenarios, 2020, Scientific Data
  • Future changes in the trading of virtual water, 2020, Nature Communications
  • Global urban growth between 1870 and 2100 from integrated high resolution mapped data and urban dynamic modeling, 2021, Communications Earth & Environment

The scientist has collaborated frequently with peers in their field. Frequent coauthors include:

  • Gokul Iyer
  • Thomas Wild
  • Chris Vernon
  • Neal T. Graham
  • Son H. Kim

Publications by Mohamad Hejazi are often found in several prominent venues such as:

  • Environmental Research Letters
  • Nature Communications
  • Zenodo (CERN European Organization for Nuclear Research)
  • OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)
  • SSRN Electronic Journal

The main fields of study for the scientist include Environmental Science with 78 publications and Engineering with 35 publications. Their subfields of study demonstrate a focus on:

  • Water Science and Technology
  • Ocean Engineering
  • Environmental Engineering
  • Pollution
  • Global and Planetary Change

Key topics central to their research work encompass:

  • Water-Energy-Food Nexus Studies
  • Water resources management and optimization
  • Energy and Environment Impacts
  • Environmental Impact and Sustainability
  • Atmospheric and Environmental Gas Dynamics
  • Hybrid Renewable Energy Systems
  • Reservoir Engineering and Simulation Methods

Best Publications

  • Quantifying the relative contribution of the climate and direct human impacts on mean annual streamflow in the contiguous United States

    Dingbao Wang;Mohamad I. Hejazi

  • Evaluating the economic impact of water scarcity in a changing world.

    Flannery Dolan;Jonathan Lamontagne;Robert Link;Mohamad Hejazi

  • GCAM v5.1: representing the linkages between energy, water, land, climate, and economic systems

    Katherine Calvin;Pralit Patel;Leon Clarke;Ghassem Asrar

  • Impacts of climate change on energy systems in global and regional scenarios

    Seleshi G. Yalew;Seleshi G. Yalew;Seleshi G. Yalew;Michelle T. H. van Vliet;Michelle T. H. van Vliet;David E. H. J. Gernaat;David E. H. J. Gernaat;Fulco Ludwig

  • Environmental co-benefits and adverse side-effects of alternative power sector decarbonization strategies

    Gunnar Luderer;Michaja Pehl;Anders Arvesen;Thomas Gibon

  • Long-term global water projections using six socioeconomic scenarios in an integrated assessment modeling framework

    Mohamad I. Hejazi;James A. Edmonds;Leon E. Clarke;G. Page Kyle

  • Climate change impact on meteorological, agricultural, and hydrological drought in central Illinois

    Dingbao Wang;Dingbao Wang;Mohamad Hejazi;Mohamad Hejazi;Ximing Cai;Albert J. Valocchi

  • Reconstruction of global gridded monthly sectoral water withdrawals for 1971–2010 and analysis of their spatiotemporal patterns

    Zhongwei Huang;Zhongwei Huang;Mohamad Hejazi;Mohamad Hejazi;Xinya Li;Qiuhong Tang

  • Global land use for 2015–2100 at 0.05° resolution under diverse socioeconomic and climate scenarios

    Min Chen;Chris R. Vernon;Neal T. Graham;Mohamad Hejazi

  • 21st century United States emissions mitigation could increase water stress more than the climate change it is mitigating

    Mohamad I. Hejazi;Nathalie Voisin;Lu Liu;Lisa M. Bramer

  • A Comprehensive View of Global Potential for Hydro-generated Electricity

    Yuyu Zhou;Mohamad I. Hejazi;Steven J. Smith;James A. Edmonds

  • Impacts of climate change, policy and Water-Energy-Food nexus on hydropower development

    Xiao Zhang;Hong-Yi Li;Hong-Yi Li;Zhiqun Daniel Deng;Claudia Ringler

  • Investigating the Nexus of Climate, Energy, Water, and Land at Decision-Relevant Scales: The Platform for Regional Integrated Modeling and Analysis (PRIMA)

    Ian Kraucunas;Leon Clarke;James Dirks;John Hathaway

  • Integrated assessment of global water scarcity over the 21st century under multiple climate change mitigation policies

    Mohamad I. Hejazi;James A. Edmonds;Leon E. Clarke;G. Page Kyle

  • Climate impacts on hydropower and consequences for global electricity supply investment needs

    Sean Wd Turner;Mohamad I. Hejazi;Son H. Kim;Leon E. Clarke

  • Water demands for electricity generation in the U.S.: Modeling different scenarios for the water–energy nexus

    Lu Liu;Mohamad I. Hejazi;Pralit L. Patel;G. Page Kyle

  • Global urban growth between 1870 and 2100 from integrated high resolution mapped data and urban dynamic modeling

    Xuecao Li;Xuecao Li;Yuyu Zhou;Mohamad Hejazi;Marshall Wise

  • Influence of Groundwater Extraction Costs and Resource Depletion Limits on Simulated Global Nonrenewable Water Withdrawals Over the Twenty-First Century

    Sean W. D. Turner;Sean W. D. Turner;Mohamad Hejazi;Catherine Yonkofski;Son H. Kim

  • Impacts of Urbanization and Climate Variability on Floods in Northeastern Illinois

    Mohamad I. Hejazi;Momcilo Markus

  • Future changes in the trading of virtual water

    Neal T. Graham;Neal T. Graham;Mohamad I. Hejazi;Son H. Kim;Evan G. R. Davies

  • Input variable selection for water resources systems using a modified minimum redundancy maximum relevance (mMRMR) algorithm

    Mohamad I. Hejazi;Ximing Cai

  • The role of hydrologic information in reservoir operation – Learning from historical releases

    Mohamad I. Hejazi;Ximing Cai;Benjamin L. Ruddell

Frequent Co-Authors

Leon Clarke
Leon Clarke University of Maryland, College Park
Fernando Miralles-Wilhelm
Fernando Miralles-Wilhelm University of Maryland, College Park
Page Kyle
Page Kyle Pacific Northwest National Laboratory
Katherine Calvin
Katherine Calvin Pacific Northwest National Laboratory
Marshall Wise
Marshall Wise Pacific Northwest National Laboratory
James A. Edmonds
James A. Edmonds Pacific Northwest National Laboratory
Hongyi Li
Hongyi Li University of Houston
Ximing Cai
Ximing Cai University of Illinois at Urbana-Champaign
Maoyi Huang
Maoyi Huang Pacific Northwest National Laboratory
Lai-yung Ruby Leung
Lai-yung Ruby Leung Pacific Northwest National Laboratory

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