World's Best Scientists 2026 revealed!

D-Index & Metrics

Earth Science

D-Index
51
Citations
8178
World Ranking
3293
National Ranking
1308

Thomas Harter 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 Thomas Harter sits on this spectrum.

38–42 publications: 1 scientists 43–47 publications: 0 scientists 48–52 publications: 3 scientists 53–57 publications: 8 scientists 58–62 publications: 11 scientists 63–67 publications: 16 scientists 68–72 publications: 24 scientists 73–77 publications: 31 scientists 78–82 publications: 49 scientists 83–87 publications: 77 scientists 88–92 publications: 86 scientists 93–97 publications: 88 scientists 98–102 publications: 92 scientists 103–107 publications: 84 scientists 108–112 publications: 102 scientists 113–117 publications: 108 scientists 118–122 publications: 117 scientists 123–127 publications: 126 scientists 128–132 publications: 146 scientists 133–137 publications: 114 scientists 138–142 publications: 102 scientists 143–147 publications: 127 scientists 148–152 publications: 102 scientists 153–157 publications: 112 scientists 158–162 publications: 102 scientists 163–167 publications: 127 scientists 168–172 publications: 121 scientists 173–177 publications: 112 scientists 178–182 publications: 109 scientists 183–187 publications: 98 scientists 188–192 publications: 92 scientists 193–197 publications: 105 scientists 198–202 publications: 77 scientists 203–207 publications: 80 scientists 208–212 publications: 89 scientists 213–217 publications: 70 scientists 218–222 publications: 74 scientists 223–227 publications: 74 scientists 228–232 publications: 70 scientists 233–237 publications: 67 scientists 238–242 publications: 59 scientists 243–247 publications: 67 scientists 248–252 publications: 51 scientists 253–257 publications: 46 scientists 258–262 publications: 41 scientists 263–267 publications: 39 scientists 268–272 publications: 34 scientists 273–277 publications: 39 scientists 278–282 publications: 35 scientists 283–287 publications: 36 scientists 288–292 publications: 35 scientists 293–297 publications: 29 scientists 298–302 publications: 23 scientists 303–307 publications: 39 scientists 308–312 publications: 34 scientists 313–317 publications: 23 scientists 318–322 publications: 18 scientists 323–327 publications: 18 scientists 328–332 publications: 21 scientists 333–337 publications: 20 scientists 338–342 publications: 15 scientists 343–347 publications: 13 scientists 348–352 publications: 24 scientists 353–357 publications: 25 scientists 358–362 publications: 10 scientists 363–367 publications: 20 scientists 368–372 publications: 17 scientists 373–377 publications: 18 scientists 378–382 publications: 15 scientists 383–387 publications: 7 scientists 388–392 publications: 22 scientists 393–397 publications: 9 scientists 398–402 publications: 11 scientists 403–407 publications: 16 scientists 408–412 publications: 4 scientists 413–417 publications: 5 scientists 418–422 publications: 14 scientists 423–427 publications: 8 scientists 428–432 publications: 7 scientists 433–437 publications: 7 scientists 438–442 publications: 10 scientists 443–447 publications: 10 scientists 448–452 publications: 3 scientists 453–457 publications: 9 scientists 458–462 publications: 11 scientists 463–467 publications: 4 scientists 468–472 publications: 6 scientists 473–477 publications: 11 scientists 478–482 publications: 8 scientists 483–487 publications: 2 scientists 488–492 publications: 3 scientists 493–497 publications: 4 scientists 498–502 publications: 4 scientists 503–507 publications: 4 scientists 508–509 publications: 4 scientists 510+ publications: 100 scientists
38 publications 510+

This scientist: 182 publications — 53rd percentile

53% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 510 publications or more.

Thomas Harter 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 Thomas Harter sits on this spectrum.

30 D-Index: 15 scientists 31 D-Index: 42 scientists 32 D-Index: 60 scientists 33 D-Index: 90 scientists 34 D-Index: 103 scientists 35 D-Index: 108 scientists 36 D-Index: 142 scientists 37 D-Index: 147 scientists 38 D-Index: 147 scientists 39 D-Index: 152 scientists 40 D-Index: 143 scientists 41 D-Index: 157 scientists 42 D-Index: 141 scientists 43 D-Index: 151 scientists 44 D-Index: 140 scientists 45 D-Index: 135 scientists 46 D-Index: 121 scientists 47 D-Index: 108 scientists 48 D-Index: 128 scientists 49 D-Index: 111 scientists 50 D-Index: 106 scientists 51 D-Index: 112 scientists 52 D-Index: 102 scientists 53 D-Index: 103 scientists 54 D-Index: 94 scientists 55 D-Index: 61 scientists 56 D-Index: 101 scientists 57 D-Index: 71 scientists 58 D-Index: 65 scientists 59 D-Index: 78 scientists 60 D-Index: 93 scientists 61 D-Index: 56 scientists 62 D-Index: 58 scientists 63 D-Index: 52 scientists 64 D-Index: 63 scientists 65 D-Index: 49 scientists 66 D-Index: 53 scientists 67 D-Index: 57 scientists 68 D-Index: 50 scientists 69 D-Index: 44 scientists 70 D-Index: 44 scientists 71 D-Index: 31 scientists 72 D-Index: 33 scientists 73 D-Index: 33 scientists 74 D-Index: 23 scientists 75 D-Index: 32 scientists 76 D-Index: 24 scientists 77 D-Index: 17 scientists 78 D-Index: 19 scientists 79 D-Index: 9 scientists 80 D-Index: 21 scientists 81 D-Index: 20 scientists 82 D-Index: 17 scientists 83 D-Index: 19 scientists 84 D-Index: 19 scientists 85 D-Index: 14 scientists 86 D-Index: 6 scientists 87 D-Index: 14 scientists 88 D-Index: 17 scientists 89 D-Index: 10 scientists 90 D-Index: 8 scientists 91 D-Index: 8 scientists 92 D-Index: 9 scientists 93 D-Index: 6 scientists 94+ D-Index: 98 scientists
30 D-Index 94+

This scientist: 51 D-Index — 59th percentile

59% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 94 D-Index or more.

Overview

Thomas Harter is affiliated with the University of California, Davis in the United States. Their research predominantly focuses on environmental science, with a particular emphasis on groundwater and water resources. The scientist has contributed extensively to subfields such as environmental engineering, water science and technology, geochemistry and petrology, ocean engineering, and civil and structural engineering.

The main topics of Harter's work include:

  • Groundwater flow and contamination studies
  • Hydrology and watershed management studies
  • Groundwater and isotope geochemistry
  • Soil and unsaturated flow
  • Water resources management and optimization
  • Soil and water nutrient dynamics
  • Urban stormwater management solutions

Recent publications by Thomas Harter cover a range of groundwater and hydrological issues. Selected papers include:

  • "Effect of Groundwater Age and Recharge Source on Nitrate Concentrations in Domestic Wells in the San Joaquin Valley" (2021), published in Environmental Science & Technology
  • "Anthropogenic basin closure and groundwater salinization (ABCSAL)" (2020), published in Journal of Hydrology
  • "Potential effects on groundwater quality associated with infiltrating stormwater through dry wells for aquifer recharge" (2022), published in Journal of Contaminant Hydrology
  • "Planning for groundwater sustainability accounting for uncertainty and costs: An application to California's Central Valley" (2020), published in Journal of Environmental Management
  • "Quantifying the uncertainty in nitrogen application and groundwater nitrate leaching in manure based cropping systems" (2020), published in Agricultural Systems

Frequent publication venues for Harter's research include:

  • Journal of Hydrology
  • Water Resources Research
  • SSRN Electronic Journal
  • Vadose Zone Journal
  • Hydrology and Earth System Sciences

The scientist has collaborated regularly with several coauthors, including:

  • Leland Scantlebury
  • Graham E. Fogg
  • Isaya Kisekka
  • Christopher V. Henri
  • Ulrich Hirn

Best Publications

  • Dairy Wastewater, Aquaculture, and Spawning Fish as Sources of Steroid Hormones in the Aquatic Environment

    Edward P. Kolodziej;Thomas Harter;David L. Sedlak

  • Assessment of sources and fate of nitrate in shallow groundwater of an agricultural area by using a multi-tracer approach

    Ernesto Pastén-Zapata;Rogelio Ledesma-Ruiz;Thomas Harter;Aldo I. Ramírez

  • Upscaling Hydraulic Properties and Soil Water Flow Processes in Heterogeneous Soils: A Review

    H Vereecken;R Kasteel;Jan Vanderborght;T Harter

  • Colloid Transport and Filtration of Cryptosporidium parvum in Sandy Soils and Aquifer Sediments

    Thomas Harter;Sonja Wagner;Edward R. Atwill

  • Use and environmental occurrence of antibiotics in freestall dairy farms with manured forage fields.

    Naoko Watanabe;Brian A. Bergamaschi;Keith A. Loftin;Michael T. Meyer

  • Explaining soil moisture variability as a function of mean soil moisture: A stochastic unsaturated flow perspective

    H Vereecken;T Kamai;T Harter;R Kasteel

  • Shallow groundwater quality on dairy farms with irrigated forage crops.

    Thomas Harter;Harley Davis;Marsha C Mathews;Roland D Meyer

  • Identifying sources of groundwater nitrate contamination in a large alluvial groundwater basin with highly diversified intensive agricultural production.

    K. M. Lockhart;A. M. King;Thomas Harter

  • Neural Networks Prediction of Soil Hydraulic Functions for Alluvial Soils Using Multistep Outflow Data

    B. Minasny;J. W. Hopmans;T. Harter;S. O. Eching

  • Investigation of the geochemical evolution of groundwater under agricultural land: A case study in northeastern Mexico

    Rogelio Ledesma-Ruiz;Ernesto Pastén-Zapata;Roberto Parra;Thomas Harter

  • A hybrid machine learning model to predict and visualize nitrate concentration throughout the Central Valley aquifer, California, USA

    Katherine M. Ransom;Bernard T. Nolan;Jonathan A. Traum;Claudia C. Faunt

  • Saturated Zone Denitrification: Potential for Natural Attenuation of Nitrate Contamination in Shallow Groundwater Under Dairy Operations

    M J Singleton;B K Esser;J E Moran;G B Hudson

  • A Numerical Model for Water Flow and Chemical Transport in Variably Saturated Porous Media

    T.-C. Jim Yeh;Rajesh Srivastava;Amado Guzman;Thomas Harter

  • The role of perched aquifers in hydrological connectivity and biogeochemical processes in vernal pool landscapes, Central Valley, California

    Mark Cable Rains;Graham E. Fogg;Thomas Harter;Randy A. Dahlgren

  • Transport of Cryptosporidium parvum Oocysts through Vegetated Buffer Strips and Estimated Filtration Efficiency

    Edward R. Atwill;Lingling Hou;Betsy M. Karle;Thomas Harter

  • Environmental occurrence and shallow ground water detection of the antibiotic monensin from dairy farms.

    Naoko Watanabe;Thomas H. Harter;Brian A. Bergamaschi

  • Association of Cryptosporidium parvum with Suspended Particles: Impact on Oocyst Sedimentation

    Kristin E. Searcy;Aaron I. Packman;Edward R. Atwill;Thomas Harter

  • Effect of sulfonamide antibiotics on microbial diversity and activity in a Californian Mollic Haploxeralf

    Iris R. Gutiérrez;Naoko Watanabe;Thomas Harter;Bruno Glaser

  • Soil suitability index identifies potential areas for groundwater banking on agriculturallands

    A.T. O'Geen;Matthew B.B. Saal;Helen E Dahlke;David A Doll

  • Estimation of groundwater pumping as closure to the water balance of a semi-arid, irrigated agricultural basin

    Nels Ruud;Thomas Harter;Alec Naugle

  • Conditional stochastic analysis of solute transport in heterogeneous, variably saturated soils

    Thomas Harter;Thomas Harter;T.-C. Jim Yeh

  • Inverse modeling of large-scale spatially distributed vadose zone properties using global optimization

    Jasper A. Vrugt;Gerrit Schoups;Jan W. Hopmans;Chuck Young

Frequent Co-Authors

Edward R. Atwill
Edward R. Atwill University of California, Davis
Jan W. Hopmans
Jan W. Hopmans University of California, Davis
Graham E. Fogg
Graham E. Fogg University of California, Davis
Aaron I. Packman
Aaron I. Packman Northwestern University
Jay R. Lund
Jay R. Lund University of California, Davis
Brian A. Bergamaschi
Brian A. Bergamaschi United States Geological Survey
Wesley W. Wallender
Wesley W. Wallender University of California, Davis
Bellie Sivakumar
Bellie Sivakumar Indian Institute of Technology Bombay
William R. Horwath
William R. Horwath University of California, Davis
Richard E. Howitt
Richard E. Howitt University of California, Davis

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

Pursuing Earth Science in the USA opens doors to a variety of interdisciplinary career options. Many students are interested in complementing their technical knowledge with skills in management or communication. For those seeking creative outlets alongside science, exploring mfa online programs offers affordable pathways in the arts, which can enhance environmental storytelling or public engagement roles.

Alternatively, combining Earth Science expertise with leadership skills is increasingly valuable. Professionals may consider online masters programs in human resource management to advance into managerial positions within scientific organizations or public agencies.

For mature learners, specific programs like one year degree for seniors offer flexible and accelerated learning options to keep pace with evolving career goals without committing to multi-year studies.

Lastly, the growing field of information management intersects with Earth Science when it comes to data and archiving. Choosing ala accredited library science programs online can prepare graduates for specialized roles in data curation and geoscience information services.

Best Scientists Citing Thomas Harter

Trending Scientists

Recently Published Articles