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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 33 9547 9139 65 65 101 4737

Daniel Mamais publications per year

The chart shows the history of publications by Daniel Mamais between 1992 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Daniel Mamais published across 34 years, from 1992 to 2025, averaging 3.2 papers a year. Output peaked at 13 publications in 2022. 10 of the 108 publications appeared in the last two years.

No. of publications
5 10
Bar chart. Horizontal axis: year, 1992 to 2025. Vertical axis: number of publications, 0 to 13. Peak 13 publications in 2022. 1992: 1 publication 1993: 1 publication 1994: 1 publication 1995: 1 publication 1996: 1 publication 1997: 0 publications 1998: 2 publications 1999: 2 publications 2000: 3 publications 2001: 0 publications 2002: 3 publications 2003: 3 publications 2004: 1 publication 2005: 1 publication 2006: 3 publications 2007: 6 publications 2008: 4 publications 2009: 2 publications 2010: 2 publications 2011: 2 publications 2012: 4 publications 2013: 4 publications 2014: 5 publications 2015: 6 publications 2016: 2 publications 2017: 4 publications 2018: 4 publications 2019: 4 publications 2020: 0 publications 2021: 5 publications 2022: 13 publications 2023: 8 publications 2024: 3 publications 2025: 7 publications
1992 2025

108 publications in total across all disciplines

View publications per year as a table
Daniel Mamais: publications per year, 1992 to 2025
Year Publications
1992 1
1993 1
1994 1
1995 1
1996 1
1997 0
1998 2
1999 2
2000 3
2001 0
2002 3
2003 3
2004 1
2005 1
2006 3
2007 6
2008 4
2009 2
2010 2
2011 2
2012 4
2013 4
2014 5
2015 6
2016 2
2017 4
2018 4
2019 4
2020 0
2021 5
2022 13
2023 8
2024 3
2025 7
Total 108
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Daniel Mamais publications per year - data summary

  • Daniel Mamais, a Environmental Sciences scholar from National Technical University of Athens, has 108 publications recorded across 34 years, from 1992 to 2025.
  • The oldest publication on record dates to 1992 and the most recent to 2025.
  • The most productive year is 2022, with 13 publications.
  • The least productive years with any output are 1992, 1993, 1994, 1995 and others, with 1 publication each.
  • 3 of the 34 years in the span carry no publications at all (1997, 2001 and 2020).
  • The rate of publication averages 3.2 papers per year over the whole span, or 3.5 per year counting only the 31 years with at least one publication.
  • The last 5 years on the chart (2021-2025) hold 36 publications, 33% of the career total.
  • Split into equal eras - 1992-2003: 18 publications (1.5 per year); 2004-2015: 40 publications (3.3 per year); 2016-2025: 50 publications (5.0 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Daniel Mamais 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 Daniel Mamais 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, 101–110 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: 101 publications — 14th percentile

14% 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
101–110 492 101
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
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

Daniel Mamais publication distribution in Environmental Sciences in 2026 - data summary

  • The chart plots the publication count of all 9,676 Environmental Sciences scientists ranked by Research.com in 2026, grouped into 66 ranges running from 41–50 to 690+ publications.
  • Daniel Mamais, a Environmental Sciences scholar from National Technical University of Athens, records 101 publications - the 14th percentile of the discipline.
  • 14% of ranked Environmental Sciences scientists score the same or lower than Daniel Mamais, and about 86% score higher.
  • The median of the discipline falls in the 161–170 publications range, and Daniel Mamais ranks below the median.
  • The most crowded range is 121–130 publications, holding 617 scientists (6% of the field).
  • 67% of the field sits in the lowest quarter of the value range (up to 201–210 publications), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 690 publications or more, 100 scientists in all (1% of the field).

Daniel Mamais 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 Daniel Mamais 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, 33 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: 33 D-Index — 2nd percentile

2% 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 33
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
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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Daniel Mamais D-index placement in Environmental Sciences in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 9,676 Environmental Sciences scientists ranked by Research.com in 2026, grouped into 97 ranges running from 30 to 126+ D-Index.
  • Daniel Mamais, a Environmental Sciences scholar from National Technical University of Athens, records 33 D-Index - the 2nd percentile of the discipline.
  • 2% of ranked Environmental Sciences scientists score the same or lower than Daniel Mamais, and about 98% score higher.
  • The median of the discipline falls in the 51 D-Index range, and Daniel Mamais ranks below the median.
  • The most crowded range is 45 D-Index, holding 348 scientists (4% of the field).
  • 59% of the field sits in the lowest quarter of the value range (up to 54 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 126 D-Index or more, 92 scientists in all (<1% of the field).

Overview

Daniel Mamais is affiliated with the National Technical University of Athens in Greece. Their research primarily focuses on Environmental Science, with a substantial number of publications in Water Science and Technology, Industrial and Manufacturing Engineering, Pollution, Health, Toxicology and Mutagenesis, and Biomedical Engineering.

The scientist's work covers several key topics, including:

  • Membrane Separation Technologies
  • Pharmaceutical and Antibiotic Environmental Impacts
  • Constructed Wetlands for Wastewater Treatment
  • Environmental remediation with nanomaterials
  • Water Treatment and Disinfection
  • Wastewater Treatment and Reuse
  • Wastewater Treatment and Nitrogen Removal

Among recent papers involving Daniel Mamais, notable publications include:

  • Fate of Emerging Contaminants in High-Rate Activated Sludge Systems, 2021, International Journal of Environmental Research and Public Health
  • The Fate and Occurrence of Antibiotic-Resistant Bacteria and Antibiotic Resistance Genes during Advanced Wastewater Treatment and Disinfection: A Review, 2023, Water
  • Anaerobic MBR technology for treating municipal wastewater at ambient temperatures, 2021, Chemosphere
  • Energy Consumption and Carbon Footprint of Greek Wastewater Treatment Plants, 2022, Water
  • Effectiveness of tertiary treatment processes in removing different classes of emerging contaminants from domestic wastewater, 2022, Frontiers of Environmental Science & Engineering

The scientist has collaborated frequently with several co-authors, including Constantinos Noutsopoulos, Simos Malamis, Evangelos Statiris, Elena Koumaki, and Taxiarchis Seintos.

Their publications are often found in venues such as:

  • Global NEST International Conference on Environmental Science & Technology
  • Water
  • Chemosphere
  • Journal of Environmental Management
  • Bioresource Technology

Best Publications

  • A rapid physical-chemical method for the determination of readily biodegradable soluble COD in municipal wastewater

    D Mamais;D Jenkins;P Pitt

  • Occurrence and fate of endocrine disrupters in Greek sewage treatment plants.

    Athanasios S. Stasinakis;Georgia Gatidou;Georgia Gatidou;Daniel Mamais;Nikolaos S. Thomaidis

  • Fate of selected pharmaceuticals and synthetic endocrine disrupting compounds during wastewater treatment and sludge anaerobic digestion

    Vasilios G. Samaras;Athanasios S. Stasinakis;Daniel Mamais;Nikolaos S. Thomaidis

  • Contribution of primary and secondary treatment on the removal of benzothiazoles, benzotriazoles, endocrine disruptors, pharmaceuticals and perfluorinated compounds in a sewage treatment plant

    Athanasios S. Stasinakis;Nikolaos S. Thomaidis;Olga S. Arvaniti;Olga S. Arvaniti;Alexandros G. Asimakopoulos

  • Determination of ferric chloride dose to control struvite precipitation in anaerobic sludge digesters

    Daniel Mamais;Paul A. Pitt;Yao Wen Cheng;Jon Loiacono

  • Wastewater treatment process impact on energy savings and greenhouse gas emissions

    D. Mamais;C. Noutsopoulos;A. Dimopoulou;A. Stasinakis

  • Effect of chromium(VI) on bacterial kinetics of heterotrophic biomass of activated sludge.

    Athanasios S Stasinakis;Daniel Mamais;Nikolaos S Thomaidis;Themistokles D Lekkas

  • Effects of chromium (VI) addition on the activated sludge process

    Athanasios S Stasinakis;Nikolaos S Thomaidis;Daniel Mamais;Evangelia C Papanikolaou

  • The Effects of MCRT and Temperature on Enhanced Biological Phosphorus Removal

    D. Mamais;D. Jenkins

  • Degradation of emerging contaminants from water under natural sunlight: The effect of season, pH, humic acids and nitrate and identification of photodegradation by-products

    Elena Koumaki;Daniel Mamais;Constantinos Noutsopoulos;Maria-Christina Nika

  • Chromium species behaviour in the activated sludge process.

    Athanasios S. Stasinakis;Nikolaos S. Thomaidis;Daniel Mamais;Marianna Karivali

  • Anaerobic co-digestion of grease sludge and sewage sludge: the effect of organic loading and grease sludge content.

    C. Noutsopoulos;D. Mamais;K. Antoniou;C. Avramides

  • Investigation of triclosan fate and toxicity in continuous-flow activated sludge systems

    Athanasios S. Stasinakis;Anastasios V. Petalas;Daniel Mamais;Nikolaos S. Thomaidis

  • Diuron biodegradation in activated sludge batch reactors under aerobic and anoxic conditions

    Athanasios S. Stasinakis;Sevasti Kotsifa;Georgia Gatidou;Daniel Mamais

  • Fate of selected emerging micropollutants during mesophilic, thermophilic and temperature co-phased anaerobic digestion of sewage sludge.

    Vasilios G. Samaras;Athanasios S. Stasinakis;Nikolaos S. Thomaidis;Daniel Mamais

  • Sewer-mining: A water reuse option supporting circular economy, public service provision and entrepreneurship

    C. Makropoulos;E. Rozos;I. Tsoukalas;A. Plevri

  • Causes of, and control strategies for, Microthrix parvicella bulking and foaming in nutrient removal activated sludge systems

    D. Mamais;A. Andreadakis;C. Noutsopoulos;C. Kalergis

  • Inhibitory effect of triclosan and nonylphenol on respiration rates and ammonia removal in activated sludge systems.

    Athanasios S. Stasinakis;Daniel Mamais;Nikolaos S. Thomaidis;Elena Danika

  • Biological groundwater treatment for chromium removal at low hexavalent chromium concentrations.

    Daniel Mamais;Constantinos Noutsopoulos;Ioanna Kavallari;Eleni Nyktari

  • Agricultural utilisation of lime treated sewage sludge

    J. Akrivos;D. Mamais;K. Katsara;A. Andreadakis

  • Removal of endocrine disruptors and non-steroidal anti-inflammatory drugs through wastewater chlorination: The effect of pH, total suspended solids and humic acids and identification of degradation by-products

    Constantinos Noutsopoulos;Elena Koumaki;Daniel Mamais;Maria-Christina Nika

Frequent Co-Authors

Athanasios S. Stasinakis
Athanasios S. Stasinakis University of the Aegean
Nikolaos S. Thomaidis
Nikolaos S. Thomaidis National and Kapodistrian University of Athens
Themistokles D. Lekkas
Themistokles D. Lekkas University of the Aegean
David Jenkins
David Jenkins University of Tennessee at Knoxville
Francesco Fatone
Francesco Fatone Marche Polytechnic University
David Bolzonella
David Bolzonella University of Verona

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Related Online Degrees & Career Pathways

For those interested in expanding their expertise beyond Environmental Sciences, pursuing an 1 year mpa programs can be an excellent option. These programs focus on public administration and policy, equipping students to influence environmental regulations and sustainability initiatives effectively.

Another complementary path is an online sociology degree bachelors, which explores human behavior and social systems. Understanding societal impacts is crucial for addressing environmental challenges and creating community-based solutions.

For those pursuing advanced education, there are flexible doctoral programs online no dissertation that allow students to focus on applied research and leadership without the traditional dissertation requirement. These options cater to professionals aiming to balance work and study.

Finally, educators interested in specialized leadership roles can explore eds to edd programs online. These pathways support the transition from a Doctor of Education (EdD) to a more research-focused doctorate, often emphasizing educational policy and administration related to environmental systems.

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