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 68 1911 1821 130 128 316 11596

Olaf A. Cirpka publications per year

The chart shows the history of publications by Olaf A. Cirpka between 1993 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Olaf A. Cirpka published across 34 years, from 1993 to 2026, averaging 10.8 papers a year. Output peaked at 26 publications in 2020. 14 of the 366 publications appeared in the last two years.

No. of publications
5 10 15 20 25
Bar chart. Horizontal axis: year, 1993 to 2026. Vertical axis: number of publications, 0 to 26. Peak 26 publications in 2020. 1993: 3 publications 1994: 1 publication 1995: 0 publications 1996: 0 publications 1997: 3 publications 1998: 0 publications 1999: 4 publications 2000: 5 publications 2001: 2 publications 2002: 4 publications 2003: 7 publications 2004: 9 publications 2005: 8 publications 2006: 16 publications 2007: 8 publications 2008: 12 publications 2009: 12 publications 2010: 18 publications 2011: 17 publications 2012: 16 publications 2013: 16 publications 2014: 24 publications 2015: 22 publications 2016: 22 publications 2017: 12 publications 2018: 13 publications 2019: 17 publications 2020: 26 publications 2021: 18 publications 2022: 11 publications 2023: 16 publications 2024: 10 publications 2025: 13 publications 2026: 1 publication
1993 2026

366 publications in total across all disciplines

View publications per year as a table
Olaf A. Cirpka: publications per year, 1993 to 2026
Year Publications
1993 3
1994 1
1995 0
1996 0
1997 3
1998 0
1999 4
2000 5
2001 2
2002 4
2003 7
2004 9
2005 8
2006 16
2007 8
2008 12
2009 12
2010 18
2011 17
2012 16
2013 16
2014 24
2015 22
2016 22
2017 12
2018 13
2019 17
2020 26
2021 18
2022 11
2023 16
2024 10
2025 13
2026 1
Total 366
Download as CSV

Olaf A. Cirpka 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 Olaf A. Cirpka 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, 311–320 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: 316 publications — 88th percentile

88% 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
311–320 85 316
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

Olaf A. Cirpka 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 Olaf A. Cirpka 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, 68 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: 68 D-Index — 81st percentile

81% 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
58 166
59 177
60 166
61 152
62 143
63 150
64 124
65 119
66 120
67 118
68 82 68
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

Research.com Recognitions

  • 2015 - Fellow of American Geophysical Union (AGU)

Overview

Olaf A. Cirpka is affiliated with the University of Tübingen in Germany. Their research primarily focuses on various aspects of environmental science, with a strong emphasis on groundwater and hydrogeological processes.

The scientist's work spans several main fields and subfields of study, including:

  • Environmental Science
  • Environmental Engineering
  • Environmental Chemistry
  • Water Science and Technology
  • Ocean Engineering
  • Pollution

Their major topics of research cover the following areas:

  • Groundwater flow and contamination studies
  • Hydrology and Watershed Management Studies
  • Groundwater and Isotope Geochemistry
  • Soil and Water Nutrient Dynamics
  • Geophysical and Geoelectrical Methods
  • Reservoir Engineering and Simulation Methods
  • Microbial Community Ecology and Physiology

Olaf A. Cirpka has published extensively in respected scientific journals. Frequent publication venues include:

  • Water Resources Research
  • Zenodo (CERN European Organization for Nuclear Research)
  • Environmental Science & Technology
  • Hydrogeology Journal
  • Journal of Geophysical Research Biogeosciences

Some of their recent papers are:

  • "Toward catchment hydro-biogeochemical theories" (2020), published in Wiley Interdisciplinary Reviews Water
  • "AQDS and Redox-Active NOM Enables Microbial Fe(III)-Mineral Reduction at cm-Scales" (2020), Environmental Science & Technology
  • "Spatial and temporal evolution of groundwater arsenic contamination in the Red River delta, Vietnam: Interplay of mobilisation and retardation processes" (2020), The Science of The Total Environment
  • "Arsenic mobilization by anaerobic iron-dependent methane oxidation" (2020), Communications Earth & Environment
  • "Combining implicit geological modeling, field surveys, and hydrogeological modeling to describe groundwater flow in a karst aquifer" (2020), Hydrogeology Journal

Frequent collaborators in their research include Adrian Mellage, Johan Alexander Huisman, Carsten Leven, Li Li, and Cora Strobel.

In recognition of their scientific contributions, Olaf A. Cirpka was named a Fellow of the American Geophysical Union (AGU) in 2015.

Best Publications

  • Pilot-scale in situ bioremedation of uranium in a highly contaminated aquifer. 2. Reduction of u(VI) and geochemical control of u(VI) bioavailability.

    Wei-Min Wu;Jack Carley;Terry Gentry;Matthew A. Ginder-Vogel

  • Estimation of seepage rates in a losing stream by means of fiber-optic high-resolution vertical temperature profiling

    Tobias Vogt;Philipp Schneider;Lisa Hahn-Woernle;Olaf A. Cirpka

  • Numerical simulation of biodegradation controlled by transverse mixing

    Olaf A. Cirpka;Emil O. Frind;Rainer Helmig

  • Enhancement of dilution and transverse reactive mixing in porous media: experiments and model-based interpretation.

    Massimo Rolle;Christina Eberhardt;Gabriele Chiogna;Olaf A. Cirpka

  • Characterization of mixing and dilution in heterogeneous aquifers by means of local temporal moments

    Olaf A. Cirpka;Peter K. Kitanidis

  • Pilot-scale in situ bioremediation of uranium in a highly contaminated aquifer. 1. Conditioning of a treatment zone.

    Wei-Min Wu;Jack Carley;Michael Fienen;Tonia Mehlhorn

  • Enhanced mixing and reaction through flow focusing in heterogeneous porous media

    Charles J. Werth;Olaf A. Cirpka;Peter Grathwohl

  • Two-dimensional concentration distribution for mixing-controlled bioreactive transport in steady state

    Olaf A. Cirpka;Albert J. Valocchi

  • Groundwater dynamics and arsenic mobilization in Bangladesh assessed using noble gases and tritium.

    Stephan Klump;Rolf Kipfer;Olaf A. Cirpka;Charles F. Harvey

  • Arsenic release from paddy soils during monsoon flooding

    Linda C. Roberts;Linda C. Roberts;Stephan J. Hug;Jessica Dittmar;Andreas Voegelin;Andreas Voegelin

  • Analyzing bank filtration by deconvoluting time series of electric conductivity.

    Olaf A. Cirpka;Michael N. Fienen;Markus Hofer;Eduard Hoehn

  • Fluctuations of electrical conductivity as a natural tracer for bank filtration in a losing stream

    Tobias Vogt;Eduard Hoehn;Philipp Schneider;Anja Freund

  • Adsorption as a cause for iron isotope fractionation in reduced groundwater

    Nadya Teutsch;Nadya Teutsch;Urs von Gunten;Don Porcelli;Olaf A. Cirpka

  • Toward catchment hydro-biogeochemical theories

    Li Li;Pamela L. Sullivan;Paolo Benettin;Olaf A. Cirpka

  • Shift in Mass Transfer of Wastewater Contaminants from Microplastics in the Presence of Dissolved Substances

    Sven Seidensticker;Christiane Zarfl;Olaf Arie Cirpka;Greta Fellenberg

  • Evidence of compound-dependent hydrodynamic and mechanical transverse dispersion by multitracer laboratory experiments.

    Gabriele Chiogna;Christina Eberhardt;Peter Grathwohl;Olaf A. Cirpka

  • Two-dimensional characterization of hydraulic heterogeneity by multiple pumping tests

    Wei Li;Andreas Englert;Olaf A. Cirpka;Jan Vanderborght

  • Determination of Transverse Dispersion Coefficients from Reactive Plume Lengths

    Olaf A. Cirpka;Åsa Olsson;Qingsong Ju;Md. Arifur Rahman

  • Magnetostratigraphy of deep drilling core SG-1 in the western Qaidam Basin (NE Tibetan Plateau) and its tectonic implications

    Weilin Zhang;Weilin Zhang;Erwin Appel;Xiaomin Fang;Chunhui Song

  • An advective-dispersive stream tube approach for the transfer of conservative-tracer data to reactive transport.

    Olaf A. Cirpka;Peter K. Kitanidis

  • Streamline-oriented grid generation for transport modelling in two-dimensional domains including wells

    Olaf A. Cirpka;Olaf A. Cirpka;Emil O. Frind;Rainer Helmig;Rainer Helmig

Frequent Co-Authors

Massimo Rolle
Massimo Rolle Technical University of Darmstadt
Peter Grathwohl
Peter Grathwohl University of Tübingen
Wolfgang Nowak
Wolfgang Nowak University of Stuttgart
Peter K. Kitanidis
Peter K. Kitanidis Stanford University
Mario Schirmer
Mario Schirmer Swiss Federal Institute of Aquatic Science and Technology
Peter Dietrich
Peter Dietrich University of Tübingen
Martin Elsner
Martin Elsner Technical University of Munich
Rainer Helmig
Rainer Helmig University of Stuttgart
Christian Griebler
Christian Griebler University of Vienna
Christiane Zarfl
Christiane Zarfl University of Tübingen

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

Exploring Environmental Sciences in the USA opens doors to a variety of related online degrees and career options. For those seeking accessible entry points, programs listed among the easiest bachelors degree can provide foundational knowledge while preparing students for more specialized fields.

If your interests lean towards Earth systems and geology, pursuing an online geoscience degree offers comprehensive training in natural resources, climate change, and environmental impact analysis. These programs often integrate practical skills with theoretical learning, ideal for tackling real-world environmental challenges.

Another valuable pathway is a focus on spatial data and technology through Geographic Information Systems (GIS). Top-tier top gis masters programs enable students to manage and analyze geographical data crucial for environmental planning, conservation, and policy development.

For those aiming to influence environmental policy and administration, a public administration degree can be crucial. Leading top online mpa programs equip graduates with skills in leadership, governance, and sustainable policy-making, helping shape effective environmental strategies at local and national levels.

Best Scientists Citing Olaf A. Cirpka

Trending Scientists

Recently Published Articles