World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
59
Citations
11763
World Ranking
3115
National Ranking
8

Jeffrey Philip Obbard 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 Jeffrey Philip Obbard 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: 141 publications — 37th percentile

37% of scientists in this discipline score the same or lower.

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

Jeffrey Philip Obbard 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 Jeffrey Philip Obbard 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: 59 D-Index — 69th percentile

69% of scientists in this discipline score the same or lower.

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

Overview

Jeffrey Philip Obbard is affiliated with the National University of Singapore in Singapore. Their academic profile does not list recent papers, frequent co-authors, or regular publication venues, and there are no records of published books under their name.

Information about the scientist's main fields of study, subfields, and main research topics is not provided. Likewise, there are no details about awards or distinctions received during their career.

Due to the limited publicly available data, further specifics about their research contributions, including detailed publication history or collaborative networks, remain unreported.

Best Publications

  • Microplastics in Singapore’s Coastal Mangrove Ecosystems

    N.H.M. Nor;J.P. Obbard

  • Prevalence of microplastics in Singapore's coastal marine environment.

    K.L. Ng;Jeffrey Philip Obbard

  • Passive air sampling of polychlorinated biphenyls, organochlorine compounds, and polybrominated diphenyl ethers across Asia

    Foday M Jaward;Gan Zhang;Jae Jak Nam;Andrew J Sweetman

  • Metal speciation in coastal marine sediments from Singapore using a modified BCR-sequential extraction procedure

    Jeffrey Philip Obbard

  • Enhanced algae growth in both phototrophic and mixotrophic culture under blue light.

    Probir Das;Wang Lei;Siti Sarah Aziz;Jeffrey Philip Obbard

  • Chlorinated paraffins: a review of analysis and environmental occurrence.

    Stéphane Bayen;Jeffrey Philip Obbard;Gareth O. Thomas

  • Screening of marine microalgae for biodiesel feedstock

    Thi Thai Yen Doan;Balasubramanian Sivaloganathan;Jeffrey Philip Obbard

  • Organochlorine pesticides, polychlorinated biphenyls and polybrominated diphenyl ethers in Singapore's coastal marine sediments.

    Oliver Wurl;Jeffrey Philip Obbard

  • Microplastics in coastal environments of the Arabian Gulf

    Oyebamiji Abib Abayomi;Pedro Range;Mohammad A. Al-Ghouti;Jeffrey Philip Obbard

  • Recent advances in the bioremediation of persistent organic pollutants via biomolecular engineering

    Ee Lui Ang;Ee Lui Ang;Huimin Zhao;Jeffrey P. Obbard

  • Persistent Organic Pollutants and Adverse Health Effects in Humans

    Qing Qing Li;Annamalai Loganath;Yap Seng Chong;Jing Tan

  • Factors affecting cellular lipid extraction from marine microalgae

    Rajesh Kumar Balasubramanian;Thi Thai Yen Doan;Thi Thai Yen Doan;Jeffrey Philip Obbard

  • Determination of organochlorine pesticides in seawater using liquid-phase hollow fibre membrane microextraction and gas chromatography-mass spectrometry.

    Chanbasha Basheer;Hian Kee Lee;Jeffrey Philip Obbard

  • Airborne Concentrations of Bacteria in a Hospital Environment in Singapore

    Jeffrey Philip Obbard;Lim Su Fang

  • Prevalence of microplastics in the marine waters of Qatar

    Azenith B. Castillo;Ibrahim Al-Maslamani;Jeffrey Philip Obbard

  • Heavy metal contamination in mangrove habitats of Singapore.

    Stéphane Bayen;Oliver Wurl;Karuppiah Subramanian

  • Polybrominated diphenyl ethers in house dust in Singapore

    Jing Tan;Si Min Cheng;Annamalai Loganath;Yap Seng Chong

  • Recovery and pre-treatment of fats, oil and grease from grease interceptors for biodiesel production

    Marvin Joseph Montefrio;Tai Xinwen;Jeffrey Philip Obbard

  • Occurrence and distribution of polybrominated diphenyl ethers (PBDEs) in the dissolved and suspended phases of the sea-surface microlayer and seawater in Hong Kong, China.

    Oliver Wurl;Paul Kwan Sing Lam;Jeffrey Philip Obbard

  • Enhanced intracellular lipid in Nannochloropsis sp. via random mutagenesis and flow cytometric cell sorting

    Thi Thai Yen Doan;Jeffrey Philip Obbard

Frequent Co-Authors

Hian Kee Lee
Hian Kee Lee National University of Singapore
Rong Xu
Rong Xu Nanyang Technological University
Kevin C. Jones
Kevin C. Jones Lancaster University
Chanbasha Basheer
Chanbasha Basheer King Fahd University of Petroleum and Minerals
Gan Zhang
Gan Zhang Chinese Academy of Sciences
Gareth O. Thomas
Gareth O. Thomas Lancaster University
Huimin Zhao
Huimin Zhao University of Illinois at Urbana-Champaign
Andrew J. Sweetman
Andrew J. Sweetman Lancaster University
Yen-Peng Ting
Yen-Peng Ting National University of Singapore
Paul K.S. Lam
Paul K.S. Lam Hong Kong Metropolitan University

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

For students interested in Environmental Sciences, exploring related online degrees can open up diverse career opportunities. Many learners seek programs that balance academic rigor with manageable coursework, making easy bachelor's degree options a popular starting point. These programs often offer flexibility without compromising quality, ideal for busy professionals or those new to the field.

Specialized fields like geoscience online degree programs provide in-depth knowledge of earth systems, essential for careers in environmental consulting, research, or resource management. These degrees frequently include hands-on training and cutting-edge software applications tailored for real-world environmental challenges.

Another growing area is Geographic Information Systems (GIS), which plays a critical role in spatial data analysis and environmental planning. Students can find top-rated colleges with gis programs to gain expertise in mapping technologies and data visualization, skills highly sought after in government, industry, and conservation efforts.

For those looking to advance into leadership roles, a 1 year mpa online offers a fast-track path to public administration, combining environmental knowledge with management skills. This degree is ideal for professionals aiming to influence policy and lead sustainability initiatives.

Best Scientists Citing Jeffrey Philip Obbard

Trending Scientists

Recently Published Articles