World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
64
Citations
12536
World Ranking
2368
National Ranking
950

Sajjad Ahmad 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 Sajjad Ahmad 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: 307 publications — 87th percentile

87% of scientists in this discipline score the same or lower.

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

Sajjad Ahmad 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 Sajjad Ahmad 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: 64 D-Index — 77th percentile

77% of scientists in this discipline score the same or lower.

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

Overview

Sajjad Ahmad is affiliated with the University of Nevada, Las Vegas, in the United States. Their research primarily spans the field of Environmental Science, with a focus on several subfields including Water Science and Technology, Global and Planetary Change, Environmental Engineering, Ecology, and Artificial Intelligence.

Their main topics of work include:

  • Hydrology and Watershed Management Studies
  • Flood Risk Assessment and Management
  • Urban Heat Island Mitigation
  • Water-Energy-Food Nexus Studies
  • Water resources management and optimization
  • Remote Sensing in Agriculture
  • Water Quality and Pollution Assessment

Recent papers authored or co-authored by Sajjad Ahmad include:

  • Measurement of Total Dissolved Solids and Total Suspended Solids in Water Systems: A Review of the Issues, Conventional, and Remote Sensing Techniques (2023), published in Remote Sensing
  • Overview of the Application of Remote Sensing in Effective Monitoring of Water Quality Parameters (2023), published in Remote Sensing
  • Enhancing flood susceptibility modeling using multi-temporal SAR images, CHIRPS data, and hybrid machine learning algorithms (2023), published in The Science of The Total Environment
  • Water -energy -carbon nexus approach for sustainable large-scale drinking water treatment operation (2020), published in Journal of Hydrology
  • Cumulative infiltration and infiltration rate prediction using optimized deep learning algorithms: A study in Western Iran (2021), published in Journal of Hydrology Regional Studies

Frequent co-authors in their publications include Haroon Stephen, Rubab Saher, Godson Ebenezer Adjovu, Omid Bozorg-Haddad, and Arman Oliazadeh.

Sajjad Ahmad has published notably in the following venues:

  • Water
  • World Environmental and Water Resources Congress 2021
  • Remote Sensing
  • World Environmental and Water Resources Congress 2020
  • The Science of The Total Environment

The scientist has contributed to book publications from Springer Nature and Frontiers Media. These include:

  • Computational Intelligence for Water and Environmental Sciences (2022), published by Springer Nature
  • Sustainable Development on Water Resources Management, Policy and Governance in a Changing World (2023), published by Frontiers Media

Best Publications

  • Remote sensing estimates of glacier mass balances in the Himachal Pradesh (Western Himalaya, India)

    Etienne Berthier;Yves Arnaud;Rajesh Kumar;Sarfaraz Ahmad

  • Estimating soil moisture using remote sensing data: A machine learning approach

    Sajjad Ahmad;Ajay Kalra;Haroon Stephen

  • Synthesis of System Dynamics Tools for Holistic Conceptualization of Water Resources Problems

    Ali Mirchi;Kaveh Madani;David Watkins;Sajjad Ahmad

  • Suspended sediment load prediction of river systems: An artificial neural network approach

    A. M. Melesse;Sajjad Ahmad;M. E. McClain;M. E. McClain;X. Wang

  • SYSTEM DYNAMICS MODELING OF RESERVOIR OPERATIONS FOR FLOOD MANAGEMENT

    Sajjad Ahmad;Slobodan P. Simonovic

  • Computer-based Model for Flood Evacuation Emergency Planning

    Slobodan P. Simonovic;Sajjad Ahmad

  • Spatial System Dynamics: New Approach for Simulation of Water Resources Systems

    Sajjad Ahmad;Slobodan P. Simonovic

  • Evaluating the impact of demand-side management on water resources under changing climatic conditions and increasing population.

    Srijana Dawadi;Sajjad Ahmad

  • An Intelligent Decision Support System for Management of Floods

    Sajjad Ahmad;Slobodan P. Simonovic

  • Measurement of Total Dissolved Solids and Total Suspended Solids in Water Systems: A Review of the Issues, Conventional, and Remote Sensing Techniques

    Unknown

  • Overview of the Application of Remote Sensing in Effective Monitoring of Water Quality Parameters

    Unknown

  • Evaluating the effect of persistence on long-term trends and analyzing step changes in streamflows of the continental United States

    Soumya Sagarika;Ajay Kalra;Sajjad Ahmad

  • Changing Climatic Conditions in the Colorado River Basin: Implications for Water Resources Management

    Srijana Dawadi;Sajjad Ahmad

  • An Artificial Neural Network model for generating hydrograph from hydro-meteorological parameters

    Sajjad Ahmad;Slobodan P. Simonovic

  • Evaluating Municipal Water Conservation Policies Using a Dynamic Simulation Model

    Sajjad Ahmad;Dinesh Prashar

  • An Intelligent Decision Support System for Management of Floods

    Unknown

  • Climate Change and Eutrophication: A Short Review

    Mohammad Nazari-Sharabian;Sajjad Ahmad;Moses Karakouzian

  • A Dynamic Model for Vulnerability Assessment of Regional Water Resources in Arid Areas: A Case Study of Bayingolin, China

    Guangyang Wu;Lanhai Li;Sajjad Ahmad;Xi Chen

  • Flood hazard assessment of Atrato River in Colombia

    S. Mosquera-Machado;Sajjad Ahmad

  • Using oceanic‐atmospheric oscillations for long lead time streamflow forecasting

    Ajay Kalra;Sajjad Ahmad

  • The carbon footprint of water management policy options

    Eleeja Shrestha;Sajjad Ahmad;Walter Johnson;Jacimaria R. Batista

  • Carbon footprint of water conveyance versus desalination as alternatives to expand water supply.

    Eleeja Shrestha;Sajjad Ahmad;Walter Johnson;Pramen Shrestha

  • Systems dynamic model to forecast salinity load to the Colorado River due to urbanization within the Las Vegas Valley.

    Arjun Krishna Venkatesan;Sajjad Ahmad;Walter Johnson;Jacimaria R Batista

Frequent Co-Authors

Slobodan P. Simonovic
Slobodan P. Simonovic University of Western Ontario
Assefa M. Melesse
Assefa M. Melesse Florida International University
Joseph N. S. Eisenberg
Joseph N. S. Eisenberg University of Michigan–Ann Arbor
Michael E. McClain
Michael E. McClain IHE Delft Institute for Water Education
Gale M. Sinatra
Gale M. Sinatra University of Southern California
Muhammad Ashraf
Muhammad Ashraf University of Agriculture Faisalabad
Muhammad Rizwan
Muhammad Rizwan Government College University, Faisalabad
Abdul Jabbar
Abdul Jabbar University of Melbourne
Muhammad Iqbal
Muhammad Iqbal University of Agriculture Faisalabad
Imran Shakir
Imran Shakir University of California, Los Angeles

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