Johnston, David T.
Harvard University,
United States
2025 Rank: 33,592
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Geochemistry & Geophysics
SubField 2:
Microbiology
Rank in SubField 1: 504 out of 103,460 Researchers
Data For The Year: 2025
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 33,592 | 31,727 |
| Total Cites | 812 | 902 |
| H-index | 15 | 17 |
| Hm-index | 6 | 7 |
| Number of Single Authored Papers | 1 | 1 |
| Total Cites to Single Authored Papers | 26 | 26 |
| Number of Single+First Authored Papers | 14 | 14 |
| Total Cites to Single+First Authored Papers | 127 | 132 |
| Number of Single+First+Last Authored Papers | 58 | 58 |
| Total Cites to Single+First+Last Authored Papers | 427 | 466 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 529 | 558 |
| Ratio of Total Citations to Distinct Citing Papers | 1.53 | 1.62 |
| Self-Citation Percentage |
9.98%
|
|
Johnston, David T.
Harvard University,
United States
2024 Rank: 49,020
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Geochemistry & Geophysics
SubField 2:
Microbiology
Rank in SubField 1: 724 out of 98,126 Researchers
Data For The Year: 2024
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 49,020 | 47,731 |
| Total Cites | 683 | 766 |
| H-index | 13 | 14 |
| Hm-index | 6 | 6 |
| Number of Single Authored Papers | 1 | 1 |
| Total Cites to Single Authored Papers | 15 | 15 |
| Number of Single+First Authored Papers | 14 | 14 |
| Total Cites to Single+First Authored Papers | 100 | 110 |
| Number of Single+First+Last Authored Papers | 58 | 58 |
| Total Cites to Single+First+Last Authored Papers | 377 | 413 |
| Composite Score | 2 | 2 |
| Number of Distinct Citing Papers | 449 | 474 |
| Ratio of Total Citations to Distinct Citing Papers | 1.52 | 1.62 |
| Self-Citation Percentage |
10.84%
|
|
Johnston, David T.
Harvard University,
United States
2023 Rank: 28,276
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Geochemistry & Geophysics
SubField 2:
Microbiology
Rank in SubField 1: 457 out of 92,230 Researchers
Data For The Year: 2023
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 28,276 | 27,615 |
| Total Cites | 731 | 847 |
| H-index | 15 | 16 |
| Hm-index | 7 | 7 |
| Number of Single Authored Papers | 1 | 1 |
| Total Cites to Single Authored Papers | 35 | 36 |
| Number of Single+First Authored Papers | 14 | 14 |
| Total Cites to Single+First Authored Papers | 129 | 142 |
| Number of Single+First+Last Authored Papers | 56 | 56 |
| Total Cites to Single+First+Last Authored Papers | 393 | 458 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 475 | 516 |
| Ratio of Total Citations to Distinct Citing Papers | 1.54 | 1.64 |
| Self-Citation Percentage |
13.70%
|
|
Johnston, David T.
Harvard University,
United States
2022 Rank: 36,471
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Geochemistry & Geophysics
SubField 2:
Microbiology
Rank in SubField 1: 628 out of 87,916 Researchers
Data For The Year: 2022
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 36,471 | 36,152 |
| Total Cites | 606 | 705 |
| H-index | 13 | 14 |
| Hm-index | 6 | 7 |
| Number of Single Authored Papers | 1 | 1 |
| Total Cites to Single Authored Papers | 24 | 24 |
| Number of Single+First Authored Papers | 14 | 14 |
| Total Cites to Single+First Authored Papers | 137 | 148 |
| Number of Single+First+Last Authored Papers | 50 | 50 |
| Total Cites to Single+First+Last Authored Papers | 344 | 387 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 398 | 448 |
| Ratio of Total Citations to Distinct Citing Papers | 1.52 | 1.57 |
| Self-Citation Percentage |
14.04%
|
|
Johnston, David T.
Harvard University,
United States
2020 Rank: 28,809
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Geochemistry & Geophysics
SubField 2:
Geology
Rank in SubField 1: 570 out of 70,197 Researchers
Data For The Year: 2020
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 28,809 | 28,024 |
| Total Cites | 781 | 910 |
| H-index | 16 | 17 |
| Hm-index | 7 | 7 |
| Number of Single Authored Papers | 1 | 1 |
| Total Cites to Single Authored Papers | 31 | 31 |
| Number of Single+First Authored Papers | 14 | 14 |
| Total Cites to Single+First Authored Papers | 159 | 183 |
| Number of Single+First+Last Authored Papers | 35 | 35 |
| Total Cites to Single+First+Last Authored Papers | 423 | 494 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 482 | 531 |
| Ratio of Total Citations to Distinct Citing Papers | 1.62 | 1.71 |
| Self-Citation Percentage |
14.18%
|
|
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