World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
54
Citations
9042
World Ranking
4099
National Ranking
1554

Daniel E. Giammar 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 E. Giammar sits on this spectrum.

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: 283 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: 25 scientists 501–510 publications: 17 scientists 511–520 publications: 18 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 681–686 publications: 3 scientists 687+ publications: 100 scientists
41 publications 687+

This scientist: 200 publications — 64th percentile

64% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 687 publications or more.

Daniel E. Giammar 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 E. Giammar sits on this spectrum.

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: 199 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: 19 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: 99 scientists
30 D-Index 125+

This scientist: 54 D-Index — 59th percentile

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

The last bar groups every scientist with 125 D-Index or more.

Overview

Daniel E. Giammar is affiliated with Washington University in St. Louis in the United States. Their research focuses primarily on environmental science, with a strong emphasis on water treatment, heavy metals in the environment, and geochemistry. The scientist's work spans several specialized subfields including health, toxicology and mutagenesis, pollution, geochemistry and petrology, environmental chemistry, and inorganic chemistry.

Their recent publications showcase a concentration on the interactions of metals and contaminants within environmental systems. Notable papers include:

  • Formation and Transport of Cr(III)-NOM-Fe Colloids upon Reaction of Cr(VI) with NOM-Fe(II) Colloids at Anoxic-Oxic Interfaces, 2020, Environmental Science & Technology
  • Cost and Energy Metrics for Municipal Water Reuse, 2021, ACS ES&T Engineering
  • Reduction of U(VI) on Chemically Reduced Montmorillonite and Surface Complexation Modeling of Adsorbed U(IV), 2022, Environmental Science & Technology
  • Impact of dissolved oxygen and pH on the removal of selenium from water by iron electrocoagulation, 2022, Water Research
  • Impact of orthophosphate on lead release from pipe scale in high pH, low alkalinity water, 2020, Water Research

Daniel E. Giammar's frequent co-authors reflect collaborative work in the environmental sciences and include:

  • Jeffrey G. Catalano
  • Neha Sharma
  • Elaine D. Flynn
  • Weiyi Pan
  • Anushka Mishrra

The venues where this scientist most often publishes demonstrate a consistent focus on topics related to environmental chemistry and engineering. These venues include:

  • Environmental Science & Technology
  • Water Research
  • ACS Earth and Space Chemistry
  • OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)
  • ACS ES&T Engineering

The scientist's main fields of study are supported by a breadth of publications in environmental science. Collateral work addresses key environmental topics such as:

  • Water Treatment and Disinfection
  • Heavy metals in environment
  • Geochemistry and Elemental Analysis
  • Radioactive element chemistry and processing
  • Heavy Metal Exposure and Toxicity
  • Mine drainage and remediation techniques
  • Mercury impact and mitigation studies

Best Publications

  • Forsterite dissolution and magnesite precipitation at conditions relevant for deep saline aquifer storage and sequestration of carbon dioxide

    Daniel E. Giammar;Robert G. Bruant;Catherine Anne Peters

  • Effects of water chemistry on arsenic removal from drinking water by electrocoagulation.

    Wei Wan;Troy J. Pepping;Tuhin Banerji;Sanjeev Chaudhari

  • Individual and competitive adsorption of arsenate and phosphate to a high-surface-area iron oxide-based sorbent.

    Hui Zeng;Brian Fisher;Daniel E. Giammar

  • Adsorption of Uranium(VI) to Manganese Oxides: X-ray Absorption Spectroscopy and Surface Complexation Modeling

    Zimeng Wang;Sung Woo Lee;Jeffrey G. Catalano;Juan S. Lezama-Pacheco

  • Uranium redox transition pathways in acetate-amended sediments

    John R. Bargar;Kenneth H. Williams;Kate M. Campbell;Philip E. Long

  • Biogenic Uraninite Nanoparticles and Their Importance for Uranium Remediation

    John R. Bargar;Rizlan Bernier-Latmani;Daniel E. Giammar;Bradley M. Tebo

  • Impacts of Geochemical Reactions on Geologic Carbon Sequestration

    Young Shin Jun;Daniel E. Giammar;Charles J Werth

  • Effects of particle size and crystalline phase on lead adsorption to titanium dioxide nanoparticles

    Daniel E. Giammar;Carolyn J. Maus;Liyun Xie

  • Time scales for sorption-desorption and surface precipitation of uranyl on goethite.

    Daniel E. Giammar;Janet G. Hering

  • Nanoscale Size Effects on Uranium(VI) Adsorption to Hematite

    Hui Zeng;Abhas Singh;Soubir Basak;Kai-Uwe Ulrich

  • Uranium speciation and stability after reductive immobilization in aquifer sediments

    Jonathan O. Sharp;Juan S. Lezama-Pacheco;Eleanor J. Schofield;Pilar Junier

  • Dynamics of Chromium(VI) Removal from Drinking Water by Iron Electrocoagulation.

    Chao Pan;Lyndsay D. Troyer;Jeffrey G. Catalano;Daniel E. Giammar

  • Formation, Aggregation, and Deposition Dynamics of NOM-Iron Colloids at Anoxic–Oxic Interfaces

    Peng Liao;Wenlu Li;Yi Jiang;Yi Jiang;Jiewei Wu

  • Effect of Humic Acid on the Removal of Chromium(VI) and the Production of Solids in Iron Electrocoagulation

    Chao Pan;Lyndsay D. Troyer;Peng Liao;Jeffrey G. Catalano

  • Comparative dissolution kinetics of biogenic and chemogenic uraninite under oxidizing conditions in the presence of carbonate

    Kai-Uwe Ulrich;Eugene S. Ilton;Harish Veeramani;Jonathan O. Sharp

  • Molecular-Scale Structure of Uranium(VI) Immobilized with Goethite and Phosphate

    Abhas Singh;Jeffrey G. Catalano;Kai-Uwe Ulrich;Daniel E. Giammar

  • Mass action expressions for bidentate adsorption in surface complexation modeling: theory and practice.

    Zimeng Wang;Daniel E. Giammar

  • Dissolution of biogenic and synthetic UO2 under varied reducing conditions.

    Kai-Uwe Ulrich;Abhas Singh;Eleanor J. Schofield;John R. Bargar

  • Impact of phosphate on U(VI) immobilization in the presence of goethite

    Abhas Singh;Kai-Uwe Ulrich;Daniel E. Giammar

  • Formation and Transport of Cr(III)-NOM-Fe Colloids upon Reaction of Cr(VI) with NOM-Fe(II) Colloids at Anoxic-Oxic Interfaces.

    Peng Liao;Peng Liao;Peng Liao;Chao Pan;Wenyu Ding;Wenlu Li;Wenlu Li

  • Uraninite oxidation and dissolution induced by manganese oxide: A redox reaction between two insoluble minerals

    Zimeng Wang;Sung Woo Lee;Pratyul Kapoor;Bradley M. Tebo

  • Effects of flow and water chemistry on lead release rates from pipe scales

    Yanjiao Xie;Daniel E. Giammar

Frequent Co-Authors

John R. Bargar
John R. Bargar SLAC National Accelerator Laboratory
Jeffrey G. Catalano
Jeffrey G. Catalano Washington University in St. Louis
Kenneth H. Williams
Kenneth H. Williams Lawrence Berkeley National Laboratory
Bradley M. Tebo
Bradley M. Tebo Oregon Health & Science University
Philip E. Long
Philip E. Long Lawrence Berkeley National Laboratory
John D. Fortner
John D. Fortner Yale University
James A. Davis
James A. Davis Lawrence Berkeley National Laboratory
Daniel S. Alessi
Daniel S. Alessi University of Alberta
Jill D. Pasteris
Jill D. Pasteris Washington University in St. Louis
David Clark
David Clark University of Glasgow

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