World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
39
Citations
6788
World Ranking
8308
National Ranking
18

Hafizan Juahir 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 Hafizan Juahir 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: 226 publications — 72nd percentile

72% of scientists in this discipline score the same or lower.

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

Hafizan Juahir 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 Hafizan Juahir 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: 39 D-Index — 15th percentile

15% of scientists in this discipline score the same or lower.

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

Overview

Hafizan Juahir is affiliated with Sultan Zainal Abidin University in Malaysia and specializes in environmental science with a strong focus on water-related research. Their work spans multiple aspects of environmental science, with particular attention to water quality monitoring, pollution assessment, and watershed analysis.

The scientist has contributed extensively to various subfields including:

  • Water Science and Technology
  • Environmental Engineering
  • Ecology
  • Plant Science
  • Pollution

Their research topics cover a broad spectrum of environmental and water quality challenges. The main topics of their work include:

  • Water Quality and Pollution Assessment
  • Groundwater and Watershed Analysis
  • Water Quality Monitoring and Analysis
  • Agricultural and Environmental Management
  • Sports and Physical Education Research
  • Hydrological Forecasting Using AI
  • Membrane Separation Technologies

Hafizan Juahir has authored multiple papers published in various academic journals. Notable recent publications include:

  • Occurrence of pesticides in surface water, pesticides removal efficiency in drinking water treatment plant and potential health risk to consumers in Tengi River Basin, Malaysia (2020), The Science of The Total Environment
  • Water quality modelling using principal component analysis and artificial neural network (2022), Marine Pollution Bulletin
  • Water corrosivity of polluted reservoir and hydropower sustainability (2020), Scientific Reports
  • Application of Compound Poisson Process in Pricing Catastrophe Bonds: A Systematic Literature Review (2022), Mathematics
  • A Review on the Roles of Extracellular Polymeric Substances (EPSs) in Wastewater Treatment: Source, Mechanism Study, Bioproducts, Limitations, and Future Challenges (2024), Water

Frequent collaborators in their research include:

  • Azimah Ismail
  • Hajjar Hartini Wan Jusoh
  • Nur Hanis Mohamad Hanapi
  • Setyo Budi Kurniawan
  • Siti Mariam Muhammad Nor

The scientist often publishes in journals such as:

  • Water
  • Environmental Science and Pollution Research
  • Desalination and Water Treatment
  • SSRN Electronic Journal
  • Mathematics

Best Publications

  • A review of biomass-derived heterogeneous catalyst for a sustainable biodiesel production

    Sharifah Hanis Yasmin Sayid Abdullah;Nur Hanis Mohamad Hanapi;Azman Azid;Roslan Umar

  • Artificial neural network modeling of the water quality index for Kinta River (Malaysia) using water quality variables as predictors.

    Nabeel M. Gazzaz;Mohd Kamil Yusoff;Ahmad Zaharin Aris;Hafizan Juahir

  • Spatial water quality assessment of Langat River Basin (Malaysia) using environmetric techniques.

    Hafizan Juahir;Sharifuddin M. Zain;Mohd Kamil Yusoff;T. I. Tengku Hanidza

  • Spatial Assessment of Air Quality Patterns in Malaysia Using Multivariate Analysis

    Doreena Dominick;Hafizan Juahir;Mohd Talib Latif;Sharifuddin M. Zain

  • Prediction of the Level of Air Pollution Using Principal Component Analysis and Artificial Neural Network Techniques: a Case Study in Malaysia

    Azman Azid;Hafizan Juahir;Mohd Ekhwan Toriman;Mohd Khairul Amri Kamarudin

  • Occurrence of pesticides in surface water, pesticides removal efficiency in drinking water treatment plant and potential health risk to consumers in Tengi River Basin, Malaysia.

    Nurulizani Elfikrie;Yu Bin Ho;Siti Zulfa Zaidon;Hafizan Juahir

  • Identification of the Hydrogeochemical Processes in Groundwater Using Classic Integrated Geochemical Methods and Geostatistical Techniques, in Amol-Babol Plain, Iran

    Tahoora Sheikhy Narany;Mohammad Firuz Ramli;Ahmad Zaharin Aris;Wan Nor Azmin Sulaiman

  • Lineament mapping and its application in landslide hazard assessment: a review

    Mohammad Firuz Ramli;N. Yusof;Mohd Kamil Yusoff;Hafizan Juahir

  • River water quality assessment using environmentric techniques: case study of Jakara River Basin

    Adamu Mustapha;Ahmad Zaharin Aris;Hafizan Juahir;Mohammad Firuz Ramli

  • Assessment of Groundwater Quality Using Multivariate Statistical Techniques in Terengganu

    Usman Nasiru Usman;Mohd Ekhwan Toriman;Hafizan Juahir;Musa Garba Abdullahi

  • Classification of River Water Quality Using Multivariate Analysis

    Shah Christirani Azhar;Ahmad Zaharin Aris;Mohd Kamil Yusoff;Mohammad Firuz Ramli

  • Characterization of spatial patterns in river water quality using chemometric pattern recognition techniques.

    Nabeel M. Gazzaz;Mohd Kamil Yusoff;Mohammad Firuz Ramli;Ahmad Zaharin Aris

  • Composition of selected heavy metals in road dust from Kuala Lumpur city centre

    Nur Mun im Mohd Han;Mohd Talib Latif;Murnira Othman;Doreena Dominick

  • Spatial assessment and source identification of heavy metals pollution in surface water using several chemometric techniques.

    Azimah Ismail;Mohd Ekhwan Toriman;Hafizan Juahir;Sharifuddin Md Zain

  • Chemometric techniques in distribution, characterisation and source apportionment of polycyclic aromatic hydrocarbons (PAHS) in aquaculture sediments in Malaysia.

    Ananthy Retnam;Mohamad Pauzi Zakaria;Hafizan Juahir;Ahmad Zaharin Aris

  • Optimization of biodiesel production by solid acid catalyst derived from coconut shell via response surface methodology

    Azizah Endut;Sharifah Hanis Yasmin Sayid Abdullah;Nur Hanis Mohamad Hanapi;Siti Hajar Abdul Hamid

  • Water quality modelling using artificial neural network and multivariate statistical techniques

    Hamza Ahmad Isiyaka;Adamu Mustapha;Hafizan Juahir;Philip Phil-Eze

  • Spatial and temporal air quality pattern recognition using environmetric techniques: a case study in Malaysia.

    Sharifah Norsukhairin Syed Abdul Mutalib;Hafizan Juahir;Azman Azid;Sharifah Mohd Sharif

  • Feed-Forward Artificial Neural Network Model for Air Pollutant Index Prediction in the Southern Region of Peninsular Malaysia

    Azman Azid;Hafizan Juahir;Mohd Talib Latif;Sharifuddin Mohd Zain

  • Spatial assessment of Langat river water quality using chemometrics

    Hafizan Juahir;Sharifuddin Md Zain;Ahmad Zaharin Aris;Mohd Kamil Yusoff

Frequent Co-Authors

Ahmad Zaharin Aris
Ahmad Zaharin Aris Universiti Putra Malaysia
Mohd Talib Latif
Mohd Talib Latif National University of Malaysia
Kerrie Mengersen
Kerrie Mengersen Queensland University of Technology
Mohamad Pauzi Zakaria
Mohamad Pauzi Zakaria University of Malaya
Sarva Mangala Praveena
Sarva Mangala Praveena Universiti Putra Malaysia
Helmi Zulhaidi Mohd Shafri
Helmi Zulhaidi Mohd Shafri Universiti Putra Malaysia
Zulkifli Yusop
Zulkifli Yusop University of Technology Malaysia
Mohd Raihan Taha
Mohd Raihan Taha National University of Malaysia
Nowshad Amin
Nowshad Amin Universiti Tenaga Nasional
Liew Juneng
Liew Juneng National University of Malaysia

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