World's Best Scientists 2026 revealed!

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Environmental Sciences 57 3452 3300 1324 1226 308 11912

John T. Novak publications per year

The chart shows the history of publications by John T. Novak between 1973 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. John T. Novak published across 54 years, from 1973 to 2026, averaging 5.9 papers a year. Output peaked at 22 publications in 2006. 2 of the 319 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1973 to 2026. Vertical axis: number of publications, 0 to 22. Peak 22 publications in 2006. 1973: 2 publications 1974: 0 publications 1975: 4 publications 1976: 0 publications 1977: 2 publications 1978: 0 publications 1979: 4 publications 1980: 0 publications 1981: 2 publications 1982: 0 publications 1983: 0 publications 1984: 2 publications 1985: 2 publications 1986: 2 publications 1987: 4 publications 1988: 1 publication 1989: 4 publications 1990: 2 publications 1991: 0 publications 1992: 3 publications 1993: 2 publications 1994: 6 publications 1995: 2 publications 1996: 3 publications 1997: 4 publications 1998: 6 publications 1999: 6 publications 2000: 4 publications 2001: 7 publications 2002: 8 publications 2003: 8 publications 2004: 19 publications 2005: 11 publications 2006: 22 publications 2007: 20 publications 2008: 18 publications 2009: 16 publications 2010: 11 publications 2011: 14 publications 2012: 13 publications 2013: 12 publications 2014: 10 publications 2015: 8 publications 2016: 9 publications 2017: 10 publications 2018: 10 publications 2019: 4 publications 2020: 6 publications 2021: 2 publications 2022: 6 publications 2023: 6 publications 2024: 0 publications 2025: 1 publication 2026: 1 publication
1973 2026

319 publications in total across all disciplines

View publications per year as a table
John T. Novak: publications per year, 1973 to 2026
Year Publications
1973 2
1974 0
1975 4
1976 0
1977 2
1978 0
1979 4
1980 0
1981 2
1982 0
1983 0
1984 2
1985 2
1986 2
1987 4
1988 1
1989 4
1990 2
1991 0
1992 3
1993 2
1994 6
1995 2
1996 3
1997 4
1998 6
1999 6
2000 4
2001 7
2002 8
2003 8
2004 19
2005 11
2006 22
2007 20
2008 18
2009 16
2010 11
2011 14
2012 13
2013 12
2014 10
2015 8
2016 9
2017 10
2018 10
2019 4
2020 6
2021 2
2022 6
2023 6
2024 0
2025 1
2026 1
Total 319
Download as CSV

John T. Novak 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 John T. Novak 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, 301–310 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: 308 publications — 87th percentile

87% 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
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
301–310 130 308
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
Download as CSV

John T. Novak 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 John T. Novak 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, 57 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: 57 D-Index — 65th percentile

65% 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
49 273
50 263
51 232
52 266
53 217
54 198
55 177
56 202
57 204 57
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
Download as CSV

Overview

John T. Novak is a researcher affiliated with Virginia Tech in the United States, specializing in environmental science and engineering. Their work primarily focuses on water science and technology, with significant contributions to subfields including building and construction, industrial and manufacturing engineering, pollution, and biomedical engineering.

Novak's research spans several key topics within environmental and engineering disciplines. These include anaerobic digestion and biogas production, membrane separation technologies, advanced oxidation water treatment, and water-energy-food nexus studies. They have also worked on wastewater treatment and nitrogen removal, environmental remediation using nanomaterials, and recycling and waste management techniques.

Frequent publication venues for Novak include the Yanbu Journal of Engineering and Science, Environmental Science Water Research & Technology, ACS ES&T Water, Chemosphere, and Water Environment Research.

Some of their recent papers include:

  • Synergistically coupling membrane electrochemical reactor with Fenton process to enhance landfill leachate treatment, 2020, Chemosphere
  • Advancement and Challenges in Municipal Landfill Leachate Treatment-The Path Forward!, 2022, ACS ES&T Water
  • The inhibitory impact of ammonia on thermally hydrolyzed sludge fed anaerobic digestion, 2021, Water Environment Research
  • Increasing oxygen transfer efficiency through sorption enhancing strategies, 2020, Water Research
  • Legionella monitoring in the New York City water distribution system 2017 to 2019, 2022, AWWA Water Science

Novak's frequent coauthors include Zhi-Wu Wang, Zhen He, Matthew J. Higgins, Ahmed Al-Omari, and Sudhir Murthy, demonstrating collaboration across various projects and studies.

Best Publications

  • Hydrolysis of macromolecular components of primary and secondary wastewater sludge by thermal hydrolytic pretreatment.

    Christopher A. Wilson;John T. Novak

  • Characterization of Exocellular Protein and Its Role in Bioflocculation

    Matthew J. Higgins;John T. Novak

  • The effect of cations on the settling and dewatering of activated sludges : Laboratory results

    Matthew J. Higgins;John T. Novak

  • Mechanisms of floc destruction during anaerobic and aerobic digestion and the effect on conditioning and dewatering of biosolids.

    John T. Novak;Mary E. Sadler;Sudhir N. Murthy

  • Effect of various sludge digestion conditions on sulfonamide, macrolide, and tetracycline resistance genes and class I integrons.

    Yanjun Ma;Christopher A. Wilson;John T. Novak;Rumana Riffat

  • Cycling of volatile organic sulfur compounds in anaerobically digested biosolids and its implications for odors.

    Matthew J. Higgins;Yen Chih Chen;Douglas P. Yarosz;Sudhir N. Murthy

  • Characterization of activated sludge exocellular polymers using several cation-associated extraction methods.

    Chul Park;John T. Novak

  • Anaerobic biodegradation of gasoline oxygenates in soils

    Carol K. Yeh;John T. Novak

  • Dewatering and settling of activated sludges: The case for using cation analysis

    Matthew J. Higgins;John T. Novak

  • Estrogen receptor agonist fate during wastewater and biosolids treatment processes: a mass balance analysis.

    R. David Holbrook;John T. Novak;Thomas J. Grizzard;Nancy G. Love

  • Effects of biologically produced surfactants on the mobility and biodegradation of petroleum hydrocarbons

    David M. Falatko;John T. Novak

  • Sorption of 17β-Estradiol and 17α-Ethinylestradiol by Colloidal Organic Carbon Derived from Biological Wastewater Treatment Systems

    R. David Holbrook;Nancy G. Love;John T. Novak

  • Effect of wastewater colloids on membrane removal of antibiotic resistance genes.

    Maria V. Riquelme Breazeal;John T. Novak;Peter J. Vikesland;Amy Pruden

  • Availability of sorbed toluene in soils for biodegradation by acclimated bacteria

    Kevin G. Robinson;William S. Farmer;John T. Novak

  • The digestibility of waste activated sludges.

    Chul Park;Mohammad M. Abu-Orf;John T. Novak

  • A review of landfill leachate induced ultraviolet quenching substances: Sources, characteristics, and treatment.

    Syeed Md Iskander;Renzun Zhao;Renzun Zhao;Ankit Pathak;Abhinav Gupta

  • Resource recovery from landfill leachate using bioelectrochemical systems: Opportunities, challenges, and perspectives.

    Syeed Md Iskander;Brian Brazil;John T. Novak;Zhen He

  • Survival of Antibiotic Resistant Bacteria and Horizontal Gene Transfer Control Antibiotic Resistance Gene Content in Anaerobic Digesters

    Jennifer H. Miller;John T. Novak;William R. Knocke;Amy Pruden

  • Factors affecting floc properties during aerobic digestion : Implications for dewatering

    Sudhir N. Murthy;John T. Novak

  • Evaluation of the extracellular proteins in full-scale activated sludges

    Chul Park;John T. Novak;Richard F. Helm;Young-Ock Ahn

  • The effect of hydrogen peroxide on the degradation of methyl and ethyl tert-butyl ether in soils

    Carol K. Yeh;John T. Novak

Frequent Co-Authors

Sudhir Murthy
Sudhir Murthy Columbia University
Zhen He
Zhen He Washington University in St. Louis
Amy Pruden
Amy Pruden Virginia Tech
Nancy G. Love
Nancy G. Love University of Michigan–Ann Arbor
Francis H. Chapelle
Francis H. Chapelle United States Geological Survey
Glen T. Daigger
Glen T. Daigger University of Michigan–Ann Arbor
Nidal Hilal
Nidal Hilal New York University Abu Dhabi
William D. Burgos
William D. Burgos Pennsylvania State University
Derin Orhon
Derin Orhon Istanbul Technical University
Linsey C. Marr
Linsey C. Marr Virginia Tech

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

Environmental Sciences is a multidisciplinary field that touches on various specialized areas. Many students interested in pursuing this path also explore related programs that complement and expand their understanding of environmental challenges. For those drawn to earth processes and natural resources, an online geoscience degree offers in-depth knowledge of geology, earth materials, and environmental systems.

Geographic technology plays a crucial role in environmental studies. The best best gis programs in the us provide valuable skills in mapping and spatial data analysis, essential for managing natural resources and urban planning within environmental contexts.

For those interested in public policy and administration related to environmental regulation, an top online mpa programs can prepare students for leadership roles in government and nonprofit sectors focused on sustainability and environmental governance.

Understanding social dynamics and human behavior is critical to effective environmental solutions. Many find that pursuing the best online sociology bachelor degree complements their scientific knowledge by exploring societal impacts and community engagement strategies in environmental contexts.

Best Scientists Citing John T. Novak

Trending Scientists

Recently Published Articles