World's Best Scientists 2026 revealed!
Robert W. Howarth

Robert W. Howarth

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Ecology and Evolution
USA
2026

D-Index & Metrics

Ecology and Evolution

D-Index
103
Citations
86796
World Ranking
224
National Ranking
95

Robert W. Howarth publication distribution in Ecology and Evolution in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Ecology and Evolution in 2026. The highlighted bar marks where Robert W. Howarth sits on this spectrum.

37–41 publications: 2 scientists 42–46 publications: 9 scientists 47–51 publications: 10 scientists 52–56 publications: 31 scientists 57–61 publications: 56 scientists 62–66 publications: 91 scientists 67–71 publications: 92 scientists 72–76 publications: 127 scientists 77–81 publications: 173 scientists 82–86 publications: 236 scientists 87–91 publications: 227 scientists 92–96 publications: 240 scientists 97–101 publications: 333 scientists 102–106 publications: 280 scientists 107–111 publications: 300 scientists 112–116 publications: 285 scientists 117–121 publications: 305 scientists 122–126 publications: 287 scientists 127–131 publications: 278 scientists 132–136 publications: 289 scientists 137–141 publications: 273 scientists 142–146 publications: 262 scientists 147–151 publications: 246 scientists 152–156 publications: 235 scientists 157–161 publications: 205 scientists 162–166 publications: 199 scientists 167–171 publications: 174 scientists 172–176 publications: 164 scientists 177–181 publications: 173 scientists 182–186 publications: 189 scientists 187–191 publications: 170 scientists 192–196 publications: 139 scientists 197–201 publications: 128 scientists 202–206 publications: 117 scientists 207–211 publications: 115 scientists 212–216 publications: 107 scientists 217–221 publications: 124 scientists 222–226 publications: 81 scientists 227–231 publications: 82 scientists 232–236 publications: 85 scientists 237–241 publications: 75 scientists 242–246 publications: 66 scientists 247–251 publications: 81 scientists 252–256 publications: 69 scientists 257–261 publications: 70 scientists 262–266 publications: 55 scientists 267–271 publications: 64 scientists 272–276 publications: 49 scientists 277–281 publications: 48 scientists 282–286 publications: 44 scientists 287–291 publications: 45 scientists 292–296 publications: 36 scientists 297–301 publications: 39 scientists 302–306 publications: 38 scientists 307–311 publications: 30 scientists 312–316 publications: 34 scientists 317–321 publications: 25 scientists 322–326 publications: 22 scientists 327–331 publications: 28 scientists 332–336 publications: 30 scientists 337–341 publications: 22 scientists 342–346 publications: 30 scientists 347–351 publications: 26 scientists 352–356 publications: 22 scientists 357–361 publications: 29 scientists 362–366 publications: 21 scientists 367–371 publications: 12 scientists 372–376 publications: 18 scientists 377–381 publications: 17 scientists 382–386 publications: 13 scientists 387–391 publications: 21 scientists 392–396 publications: 13 scientists 397–401 publications: 10 scientists 402–406 publications: 15 scientists 407–411 publications: 8 scientists 412–416 publications: 9 scientists 417–421 publications: 8 scientists 422–426 publications: 4 scientists 427–431 publications: 10 scientists 432–436 publications: 10 scientists 437–441 publications: 5 scientists 442–446 publications: 4 scientists 447–451 publications: 10 scientists 452–456 publications: 2 scientists 457–461 publications: 4 scientists 462–466 publications: 7 scientists 467–471 publications: 7 scientists 472–476 publications: 6 scientists 477–481 publications: 6 scientists 482–486 publications: 3 scientists 487–491 publications: 3 scientists 492–496 publications: 4 scientists 497–501 publications: 4 scientists 502–506 publications: 8 scientists 507–511 publications: 5 scientists 512–516 publications: 4 scientists 517–521 publications: 5 scientists 522–526 publications: 4 scientists 527–530 publications: 5 scientists 531+ publications: 100 scientists
37 publications 531+

This scientist: 265 publications — 87th percentile

87% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 531 publications or more.

Robert W. Howarth D-index placement in Ecology and Evolution in 2026

The chart shows the D-index (discipline H-index) distribution of Ecology and Evolution scientists ranked by Research.com in 2026. The highlighted bar marks where Robert W. Howarth sits on this spectrum.

30 D-Index: 95 scientists 31 D-Index: 123 scientists 32 D-Index: 191 scientists 33 D-Index: 245 scientists 34 D-Index: 252 scientists 35 D-Index: 244 scientists 36 D-Index: 249 scientists 37 D-Index: 244 scientists 38 D-Index: 254 scientists 39 D-Index: 254 scientists 40 D-Index: 280 scientists 41 D-Index: 274 scientists 42 D-Index: 266 scientists 43 D-Index: 233 scientists 44 D-Index: 248 scientists 45 D-Index: 208 scientists 46 D-Index: 201 scientists 47 D-Index: 213 scientists 48 D-Index: 207 scientists 49 D-Index: 172 scientists 50 D-Index: 209 scientists 51 D-Index: 199 scientists 52 D-Index: 153 scientists 53 D-Index: 169 scientists 54 D-Index: 163 scientists 55 D-Index: 148 scientists 56 D-Index: 120 scientists 57 D-Index: 146 scientists 58 D-Index: 137 scientists 59 D-Index: 140 scientists 60 D-Index: 104 scientists 61 D-Index: 119 scientists 62 D-Index: 118 scientists 63 D-Index: 99 scientists 64 D-Index: 77 scientists 65 D-Index: 100 scientists 66 D-Index: 86 scientists 67 D-Index: 83 scientists 68 D-Index: 75 scientists 69 D-Index: 94 scientists 70 D-Index: 57 scientists 71 D-Index: 68 scientists 72 D-Index: 59 scientists 73 D-Index: 63 scientists 74 D-Index: 66 scientists 75 D-Index: 60 scientists 76 D-Index: 42 scientists 77 D-Index: 49 scientists 78 D-Index: 39 scientists 79 D-Index: 37 scientists 80 D-Index: 43 scientists 81 D-Index: 41 scientists 82 D-Index: 45 scientists 83 D-Index: 34 scientists 84 D-Index: 40 scientists 85 D-Index: 35 scientists 86 D-Index: 55 scientists 87 D-Index: 24 scientists 88 D-Index: 24 scientists 89 D-Index: 30 scientists 90 D-Index: 23 scientists 91 D-Index: 25 scientists 92 D-Index: 27 scientists 93 D-Index: 27 scientists 94 D-Index: 13 scientists 95 D-Index: 23 scientists 96 D-Index: 12 scientists 97 D-Index: 14 scientists 98 D-Index: 19 scientists 99 D-Index: 16 scientists 100 D-Index: 14 scientists 101 D-Index: 5 scientists 102 D-Index: 21 scientists 103 D-Index: 16 scientists 104 D-Index: 10 scientists 105 D-Index: 7 scientists 106 D-Index: 7 scientists 107 D-Index: 7 scientists 108 D-Index: 6 scientists 109 D-Index: 9 scientists 110 D-Index: 11 scientists 111 D-Index: 12 scientists 112 D-Index: 9 scientists 113 D-Index: 7 scientists 114 D-Index: 3 scientists 115 D-Index: 8 scientists 116 D-Index: 5 scientists 117 D-Index: 11 scientists 118 D-Index: 4 scientists 119 D-Index: 2 scientists 120 D-Index: 5 scientists 121+ D-Index: 100 scientists
30 D-Index 121+

This scientist: 103 D-Index — 97th percentile

97% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 121 D-Index or more.

Research.com Recognitions

  • 2026 - Research.com Ecology and Evolution in United States Leader Award
  • 2025 - Research.com Ecology and Evolution in United States Leader Award

Overview

Robert W. Howarth is affiliated with Cornell University in the United States. Their research primarily spans the fields of Environmental Science and Earth and Planetary Sciences, with 28 and 19 publications in each field respectively. Their work extensively investigates environmental systems and processes related to biogeochemical cycles and ecological dynamics.

Among their prominent subfields of study are Oceanography, Ecology, Global and Planetary Change, Environmental Chemistry, and Mechanical Engineering. These areas reflect a multidisciplinary approach to studying interactions within natural and engineered environments.

Key topics covered in their research include Atmospheric and Environmental Gas Dynamics, Soil and Water Nutrient Dynamics, Marine and Coastal Plant Biology, Peatlands and Wetlands Ecology, Soil Carbon and Nitrogen Dynamics, Marine Biology and Ecology Research, and Carbon Dioxide Capture Technologies.

Howarth's frequent collaborators include Roxanne Marino, Melanie Hayn, Katherine Ann Haviland, John F. Stolz, and Michelle Y. Wong. Collaboration with these researchers has resulted in multiple publications, emphasizing shared interests in environmental science and related chemical and ecological dynamics.

The scientist has published extensively in several venues, notably Biogeochemistry and Energy Science & Engineering. Other notable publication venues include Ocean-Land-Atmosphere Research, Global Biogeochemical Cycles, and Frontiers of Agricultural Science and Engineering.

Selected recent papers illustrating the breadth of their work include:

  • "How green is blue hydrogen?", 2021, Energy Science & Engineering
  • "Role of external inputs of nutrients to aquatic ecosystems in determining prevalence of nitrogen vs. phosphorus limitation of net primary productivity", 2021, Biogeochemistry
  • "The greenhouse gas footprint of liquefied natural gas (LNG) exported from the United States", 2024, Energy Science & Engineering

In addition to articles, Robert W. Howarth has contributed to book literature, including a publication with Cambridge University Press titled "Environmental Impacts from the Development of Unconventional Oil and Gas Reserves" released in 2022.

Best Publications

  • NONPOINT POLLUTION OF SURFACE WATERS WITH PHOSPHORUS AND NITROGEN

    Stephen R. Carpenter;N. F. Caraco;D. L. Correll;R. W. Howarth

  • HUMAN ALTERATION OF THE GLOBAL NITROGEN CYCLE: SOURCES AND CONSEQUENCES

    Peter M. Vitousek;John D. Aber;Robert W. Howarth;Gene E. Likens

  • Nitrogen cycles: past, present, and future

    J. N. Galloway;F. J. Dentener;D. G. Capone;E. W. Boyer

  • Forecasting agriculturally driven global environmental change

    David Tilman;Joseph Fargione;Brian Wolff;Carla D'Antonio

  • Controlling Eutrophication: Nitrogen and Phosphorus

    Daniel J. Conley;Hans W. Paerl;Robert W. Howarth;Donald F. Boesch

  • Nitrogen limitation on land and in the sea: How can it occur?

    Peter M. Vitousek;Robert W. Howarth

  • The Nitrogen Cascade

    James N. Galloway;John D. Aber;Jan Willem Erisman;Sybil P. Seitzinger

  • Regional nitrogen budgets and riverine N & P fluxes for the drainages to the North Atlantic Ocean: Natural and human influences

    Robert Howarth;Gilles Billen;Dennis Swaney;Andrea Townsend

  • Methane and the greenhouse-gas footprint of natural gas from shale formations

    Robert W. Howarth;Renee Santoro;Anthony Ingraffea

  • Nitrogen as the limiting nutrient for eutrophication in coastal marine ecosystems: Evolving views over three decades

    Robert W. Howarth;Roxanne Marino

  • Nutrient Limitation of Net Primary Production in Marine Ecosystems

    Robert W. Howarth

  • Reconciling carbon-cycle concepts, terminology, and methods

    F. S. Chapin Iii;G. M. Woodwell;J. Randerson;E. B. Rastetter

  • Global patterns of terrestrial biological nitrogen (N2) fixation in natural ecosystems

    Cory C. Cleveland;Alan R. Townsend;David S. Schimel;Hank Fisher

  • Towards an ecological understanding of biological nitrogen fixation

    Peter M. Vitousek;Ken Cassman;Cory Cleveland;Tim Crews

  • Climate Change Impacts on U.S. Coastal and Marine Ecosystems

    Donald Scavia;John C. Field;Donald F. Boesch;Robert W. Buddemeier

  • Coastal nitrogen pollution: A review of sources and trends globally and regionally

    Robert W. Howarth

  • Coupled biogeochemical cycles: eutrophication and hypoxia in temperate estuaries and coastal marine ecosystems

    Robert W. Howarth;Francis Chan;Daniel J. Conley;Josette Garnier

  • Eutrophication of freshwater and marine ecosystems

    Val H. Smith;Samantha B. Joye;Robert W. Howarth

  • Multiple stable isotopes used to trace the flow of organic matter in estuarine food webs.

    Bruce J. Peterson;Robert W. Howarth;Robert H. Garritt

  • Anthropogenic nitrogen sources and relationships to riverine nitrogen export in the northeastern U.S.A.

    Elizabeth W. Boyer;Christine L. Goodale;Norbert A. Jaworski;Robert W. Howarth

Frequent Co-Authors

Dennis P. Swaney
Dennis P. Swaney Cornell University
Elizabeth W. Boyer
Elizabeth W. Boyer Pennsylvania State University
Christoph Humborg
Christoph Humborg Stockholm University
Alan R. Townsend
Alan R. Townsend University of Montana
Sybil P. Seitzinger
Sybil P. Seitzinger University of Victoria
Anne E. Giblin
Anne E. Giblin Marine Biological Laboratory
James N. Galloway
James N. Galloway University of Virginia
Andrew N. Sharpley
Andrew N. Sharpley University of Arkansas at Fayetteville
Anthony R. Ingraffea
Anthony R. Ingraffea Cornell University
Hans W. Paerl
Hans W. Paerl University of North Carolina at Chapel Hill

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