World's Best Scientists 2026 revealed!
Jan H. Fleckenstein

Jan H. Fleckenstein

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Earth Science 49 3680 3372 254 239 218 7345

Jan H. Fleckenstein publications per year

The chart shows the history of publications by Jan H. Fleckenstein between 2000 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Jan H. Fleckenstein published across 26 years, from 2000 to 2025, averaging 13.4 papers a year. Output peaked at 45 publications in 2021. 35 of the 348 publications appeared in the last two years.

No. of publications
10 20 30 40
Bar chart. Horizontal axis: year, 2000 to 2025. Vertical axis: number of publications, 0 to 45. Peak 45 publications in 2021. 2000: 1 publication 2001: 2 publications 2002: 0 publications 2003: 1 publication 2004: 1 publication 2005: 1 publication 2006: 1 publication 2007: 0 publications 2008: 3 publications 2009: 17 publications 2010: 8 publications 2011: 7 publications 2012: 12 publications 2013: 16 publications 2014: 20 publications 2015: 21 publications 2016: 20 publications 2017: 21 publications 2018: 13 publications 2019: 23 publications 2020: 22 publications 2021: 45 publications 2022: 41 publications 2023: 17 publications 2024: 17 publications 2025: 18 publications
2000 2025

348 publications in total across all disciplines

View publications per year as a table
Jan H. Fleckenstein: publications per year, 2000 to 2025
Year Publications
2000 1
2001 2
2002 0
2003 1
2004 1
2005 1
2006 1
2007 0
2008 3
2009 17
2010 8
2011 7
2012 12
2013 16
2014 20
2015 21
2016 20
2017 21
2018 13
2019 23
2020 22
2021 45
2022 41
2023 17
2024 17
2025 18
Total 348
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Jan H. Fleckenstein publication distribution in Earth Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Earth Science in 2026. The highlighted bar marks where Jan H. Fleckenstein sits on this spectrum.

No. of scientists
100 200 300 400 500
Bar chart with 58 bars. Horizontal axis: publications, 38–47 to 603+. Vertical axis: number of scientists, 0 to 557. Most scientists, 557, have 128–137 publications. The last bar groups every scientist with 603 publications or more. The highlighted bar, 218–227 publications, is where this scientist sits. 38–47 publications: 5 scientists 48–57 publications: 33 scientists 58–67 publications: 94 scientists 68–77 publications: 161 scientists 78–87 publications: 278 scientists 88–97 publications: 376 scientists 98–107 publications: 404 scientists 108–117 publications: 484 scientists 118–127 publications: 540 scientists 128–137 publications: 557 scientists 138–147 publications: 491 scientists 148–157 publications: 495 scientists 158–167 publications: 458 scientists 168–177 publications: 490 scientists 178–187 publications: 414 scientists 188–197 publications: 401 scientists 198–207 publications: 333 scientists 208–217 publications: 292 scientists 218–227 publications: 290 scientists 228–237 publications: 262 scientists 238–247 publications: 243 scientists 248–257 publications: 208 scientists 258–267 publications: 185 scientists 268–277 publications: 147 scientists 278–287 publications: 128 scientists 288–297 publications: 119 scientists 298–307 publications: 120 scientists 308–317 publications: 107 scientists 318–327 publications: 93 scientists 328–337 publications: 87 scientists 338–347 publications: 64 scientists 348–357 publications: 87 scientists 358–367 publications: 60 scientists 368–377 publications: 60 scientists 378–387 publications: 34 scientists 388–397 publications: 50 scientists 398–407 publications: 44 scientists 408–417 publications: 31 scientists 418–427 publications: 39 scientists 428–437 publications: 27 scientists 438–447 publications: 36 scientists 448–457 publications: 27 scientists 458–467 publications: 29 scientists 468–477 publications: 30 scientists 478–487 publications: 19 scientists 488–497 publications: 15 scientists 498–507 publications: 18 scientists 508–517 publications: 19 scientists 518–527 publications: 16 scientists 528–537 publications: 10 scientists 538–547 publications: 11 scientists 548–557 publications: 14 scientists 558–567 publications: 11 scientists 568–577 publications: 7 scientists 578–587 publications: 14 scientists 588–597 publications: 5 scientists 598–602 publications: 4 scientists 603+ publications: 100 scientists
38–47 publications 603+

This scientist: 218 publications — 69th percentile

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

The last bar groups every scientist with 603 publications or more.

View publications distribution as a table
Number of Earth Science scientists by publication count, Research.com 2026 ranking edition. Based on 9,176 ranked scientists.
Publications Scientists This scientist
38–47 5
48–57 33
58–67 94
68–77 161
78–87 278
88–97 376
98–107 404
108–117 484
118–127 540
128–137 557
138–147 491
148–157 495
158–167 458
168–177 490
178–187 414
188–197 401
198–207 333
208–217 292
218–227 290 218
228–237 262
238–247 243
248–257 208
258–267 185
268–277 147
278–287 128
288–297 119
298–307 120
308–317 107
318–327 93
328–337 87
338–347 64
348–357 87
358–367 60
368–377 60
378–387 34
388–397 50
398–407 44
408–417 31
418–427 39
428–437 27
438–447 36
448–457 27
458–467 29
468–477 30
478–487 19
488–497 15
498–507 18
508–517 19
518–527 16
528–537 10
538–547 11
548–557 14
558–567 11
568–577 7
578–587 14
588–597 5
598–602 4
603+ 100
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Jan H. Fleckenstein D-index placement in Earth Science in 2026

The chart shows the D-index (discipline H-index) distribution of Earth Science scientists ranked by Research.com in 2026. The highlighted bar marks where Jan H. Fleckenstein sits on this spectrum.

No. of scientists
100 200 300
Bar chart with 77 bars. Horizontal axis: D-Index, 30 to 106+. Vertical axis: number of scientists, 0 to 389. Most scientists, 389, have 36 D-Index. The last bar groups every scientist with 106 D-Index or more. The highlighted bar, 49 D-Index, is where this scientist sits. 30 D-Index: 144 scientists 31 D-Index: 215 scientists 32 D-Index: 278 scientists 33 D-Index: 379 scientists 34 D-Index: 366 scientists 35 D-Index: 372 scientists 36 D-Index: 389 scientists 37 D-Index: 366 scientists 38 D-Index: 344 scientists 39 D-Index: 349 scientists 40 D-Index: 296 scientists 41 D-Index: 289 scientists 42 D-Index: 277 scientists 43 D-Index: 279 scientists 44 D-Index: 248 scientists 45 D-Index: 257 scientists 46 D-Index: 212 scientists 47 D-Index: 202 scientists 48 D-Index: 207 scientists 49 D-Index: 204 scientists 50 D-Index: 183 scientists 51 D-Index: 178 scientists 52 D-Index: 182 scientists 53 D-Index: 178 scientists 54 D-Index: 163 scientists 55 D-Index: 117 scientists 56 D-Index: 163 scientists 57 D-Index: 120 scientists 58 D-Index: 113 scientists 59 D-Index: 136 scientists 60 D-Index: 135 scientists 61 D-Index: 96 scientists 62 D-Index: 103 scientists 63 D-Index: 83 scientists 64 D-Index: 103 scientists 65 D-Index: 83 scientists 66 D-Index: 89 scientists 67 D-Index: 92 scientists 68 D-Index: 89 scientists 69 D-Index: 78 scientists 70 D-Index: 75 scientists 71 D-Index: 53 scientists 72 D-Index: 62 scientists 73 D-Index: 54 scientists 74 D-Index: 35 scientists 75 D-Index: 52 scientists 76 D-Index: 50 scientists 77 D-Index: 32 scientists 78 D-Index: 37 scientists 79 D-Index: 20 scientists 80 D-Index: 33 scientists 81 D-Index: 36 scientists 82 D-Index: 34 scientists 83 D-Index: 34 scientists 84 D-Index: 24 scientists 85 D-Index: 19 scientists 86 D-Index: 18 scientists 87 D-Index: 26 scientists 88 D-Index: 30 scientists 89 D-Index: 17 scientists 90 D-Index: 21 scientists 91 D-Index: 19 scientists 92 D-Index: 15 scientists 93 D-Index: 14 scientists 94 D-Index: 20 scientists 95 D-Index: 9 scientists 96 D-Index: 10 scientists 97 D-Index: 15 scientists 98 D-Index: 13 scientists 99 D-Index: 3 scientists 100 D-Index: 13 scientists 101 D-Index: 3 scientists 102 D-Index: 9 scientists 103 D-Index: 4 scientists 104 D-Index: 6 scientists 105 D-Index: 6 scientists 106+ D-Index: 98 scientists
30 D-Index 106+

This scientist: 49 D-Index — 62nd percentile

62% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 106 D-Index or more.

View D-Index distribution as a table
Number of Earth Science scientists by D-index, Research.com 2026 ranking edition. Based on 9,176 ranked scientists.
D-Index Scientists This scientist
30 144
31 215
32 278
33 379
34 366
35 372
36 389
37 366
38 344
39 349
40 296
41 289
42 277
43 279
44 248
45 257
46 212
47 202
48 207
49 204 49
50 183
51 178
52 182
53 178
54 163
55 117
56 163
57 120
58 113
59 136
60 135
61 96
62 103
63 83
64 103
65 83
66 89
67 92
68 89
69 78
70 75
71 53
72 62
73 54
74 35
75 52
76 50
77 32
78 37
79 20
80 33
81 36
82 34
83 34
84 24
85 19
86 18
87 26
88 30
89 17
90 21
91 19
92 15
93 14
94 20
95 9
96 10
97 15
98 13
99 3
100 13
101 3
102 9
103 4
104 6
105 6
106+ 98
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Overview

Jan H. Fleckenstein is affiliated with the University of Bayreuth in Germany. Their research spans the field of Environmental Science, focusing extensively on Water Science and Technology, Environmental Chemistry, Pollution, Environmental Engineering, and Geochemistry and Petrology.

Their work addresses several main topics, including Hydrology and Watershed Management Studies, Soil and Water Nutrient Dynamics, Groundwater Flow and Contamination Studies, Microplastics and Plastic Pollution, Groundwater and Isotope Geochemistry, Recycling and Waste Management Techniques, and Marine and Coastal Ecosystems.

Fleckenstein has published extensively in various academic venues. The most frequent publication venues include Water Resources Research, Hydrology and Earth System Sciences, Zenodo (CERN European Organization for Nuclear Research), HydroShare Resources, and Hydrological Processes.

Some notable recent papers authored or co-authored by Fleckenstein include:

  • Archetypes and Controls of Riverine Nutrient Export Across German Catchments (2021) in Water Resources Research
  • Strong hydroclimatic controls on vulnerability to subsurface nitrate contamination across Europe (2020) in Nature Communications
  • Spatial and Temporal Variability in Concentration-Discharge Relationships at the Event Scale (2021) in Water Resources Research
  • Disentangling the Impact of Catchment Heterogeneity on Nitrate Export Dynamics From Event to Long-Term Time Scales (2020) in Water Resources Research
  • Measurement of microplastic settling velocities and implications for residence times in thermally stratified lakes (2022) in Limnology and Oceanography

Frequent collaborators include Andréas Musolff, Rohini Kumar, Benjamin Gilfedder, Stefanie Lutz, and Christian Schmidt.

Best Publications

  • Groundwater-surface water interactions: New methods and models to improve understanding of processes and dynamics

    Jan H. Fleckenstein;Stefan Krause;David M. Hannah;Fulvio Boano

  • Inter-disciplinary perspectives on processes in the hyporheic zone

    Stefan Krause;David M. Hannah;Jan Fleckenstein;C. H. Heppell

  • River-aquifer interactions, geologic heterogeneity, and low-flow management.

    Jan H. Fleckenstein;Richard G. Niswonger;Richard G. Niswonger;Graham E. Fogg

  • Catchment controls on solute export

    Andreas Musolff;Christian Schmidt;Benny Selle;Jan H. Fleckenstein

  • Ecohydrological interfaces as hot spots of ecosystem processes

    Stefan Krause;Jörg Lewandowski;Nancy B. Grimm;David M. Hannah

  • Effects of micro-topography on surface–subsurface exchange and runoff generation in a virtual riparian wetland — A modeling study

    S. Frei;G. Lischeid;J.H. Fleckenstein

  • Transient or steady-state? Using vertical temperature profiles to quantify groundwater-surface water exchange

    Christian Anibas;Jan H. Fleckenstein;Nina Volze;Kerst Buis

  • Patterns and dynamics of river–aquifer exchange with variably-saturated flow using a fully-coupled model

    Sven Frei;Jan Fleckenstein;Stefan Kollet;Reed M. Maxwell

  • Concentrations and fluxes of dissolved organic carbon in runoff from a forested catchment: insights from high frequency measurements

    Stefan Strohmeier;Klaus-Holger Knorr;Martin Reichert;Sven Frei

  • Upscaling Nitrogen Removal Capacity from Local Hotspots to Low Stream Orders' Drainage Basins

    Gilles Pinay;Stefan Peiffer;Jean-Raynald De Dreuzy;Stefan Krause

  • Coupled 3-D stream flow and hyporheic flow model under varying stream and ambient groundwater flow conditions in a pool-riffle system

    Nico Trauth;Christian Schmidt;Uli Maier;Michael Vieweg

  • Surface micro-topography causes hot spots of biogeochemical activity in wetland systems: A virtual modeling experiment

    Sven Frei;Klaus-Holger Knorr;Stefan Peiffer;Jan Fleckenstein

  • Emergent archetype patterns of coupled hydrologic and biogeochemical responses in catchments

    A. Musolff;J. H. Fleckenstein;P. S. C. Rao;J. W. Jawitz

  • Differential storm responses of dissolved and particulate organic carbon in a mountainous headwater stream, investigated by high‐frequency, in situ optical measurements

    Jong-Jin Jeong;Svenja Bartsch;Jan H. Fleckenstein;Egbert Matzner

  • The Bode hydrological observatory: a platform for integrated, interdisciplinary hydro-ecological research within the TERENO Harz/Central German Lowland Observatory

    Ute Wollschläger;Sabine Attinger;Dietrich Borchardt;Mario Brauns

  • Hyporheic transport and biogeochemical reactions in pool‐riffle systems under varying ambient groundwater flow conditions

    Nico Trauth;Christian Schmidt;Michael Vieweg;Uli Maier

  • Hydraulic controls of in-stream gravel bar hyporheic exchange and reactions

    Nico Trauth;Christian Schmidt;Michael Vieweg;Sascha E. Oswald

  • Simulating the effects of geologic heterogeneity and transient boundary conditions on streambed temperatures — Implications for temperature-based water flux calculations

    Christina Schornberg;Christian Schmidt;Edda Kalbus;Jan H. Fleckenstein

  • Exploring the Dynamics of Transit Times and Subsurface Mixing in a Small Agricultural Catchment

    Jie Yang;Ingo Heidbüchel;Andreas Musolff;Frido Reinstorf

  • Stratification of reactivity determines nitrate removal in groundwater.

    Tamara Kolbe;Jean-Raynald de Dreuzy;Benjamin W. Abbott;Luc Aquilina

  • Managing Surface Water-Groundwater to Restore Fall Flows in the Cosumnes River

    Jan Fleckenstein;Michael Anderson;Graham E. Fogg;Jeffrey Mount

Frequent Co-Authors

Christian Schmidt
Christian Schmidt Helmholtz Centre for Environmental Research
Rohini Kumar
Rohini Kumar Helmholtz Centre for Environmental Research
Stefan Peiffer
Stefan Peiffer University of Bayreuth
Stefan Krause
Stefan Krause University of Birmingham
David M. Hannah
David M. Hannah University of Birmingham
Adam S. Ward
Adam S. Ward Oregon State University
Michael Rode
Michael Rode Helmholtz Centre for Environmental Research
Sabine Attinger
Sabine Attinger Helmholtz Centre for Environmental Research
Thibault Datry
Thibault Datry Centre national de la recherche scientifique, CNRS
Olaf Kolditz
Olaf Kolditz TU Dresden

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