Johnson, Mark G.
US EPA National Health and Environmental Effects Research Laboratory,
United States
2025 Rank: 158,327
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Agriculture, Fisheries & Forestry
SubField 1:
Environmental Sciences
SubField 2:
Agronomy & Agriculture
Rank in SubField 1: 1,290 out of 130,223 Researchers
Data For The Year: 2025
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 158,327 | 171,040 |
| Total Cites | 8,811 | 9,499 |
| H-index | 38 | 40 |
| Hm-index | 15 | 15 |
| Number of Single Authored Papers | 1 | 1 |
| Total Cites to Single Authored Papers | 40 | 41 |
| Number of Single+First Authored Papers | 11 | 11 |
| Total Cites to Single+First Authored Papers | 629 | 660 |
| Number of Single+First+Last Authored Papers | 49 | 49 |
| Total Cites to Single+First+Last Authored Papers | 2,307 | 2,508 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 8,112 | 8,492 |
| Ratio of Total Citations to Distinct Citing Papers | 1.09 | 1.12 |
| Self-Citation Percentage |
7.24%
|
|
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Agriculture, Fisheries & Forestry
SubField 1:
Agronomy & Agriculture
SubField 2:
Environmental Sciences
Rank in SubField 1: 914 out of 81,496 Researchers
Data For The Year: 2024
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 162,848 | 179,362 |
| Total Cites | 7,954 | 8,603 |
| H-index | 36 | 37 |
| Hm-index | 14 | 14 |
| Number of Single Authored Papers | 1 | 1 |
| Total Cites to Single Authored Papers | 39 | 40 |
| Number of Single+First Authored Papers | 10 | 10 |
| Total Cites to Single+First Authored Papers | 599 | 628 |
| Number of Single+First+Last Authored Papers | 46 | 46 |
| Total Cites to Single+First+Last Authored Papers | 2,070 | 2,246 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 7,302 | 7,661 |
| Ratio of Total Citations to Distinct Citing Papers | 1.09 | 1.12 |
| Self-Citation Percentage |
7.54%
|
|
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Agriculture, Fisheries & Forestry
SubField 1:
Agronomy & Agriculture
SubField 2:
Environmental Sciences
Rank in SubField 1: 921 out of 76,073 Researchers
Data For The Year: 2023
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 165,576 | 179,873 |
| Total Cites | 7,261 | 7,887 |
| H-index | 35 | 36 |
| Hm-index | 13 | 13 |
| Number of Single Authored Papers | 1 | 1 |
| Total Cites to Single Authored Papers | 36 | 37 |
| Number of Single+First Authored Papers | 9 | 9 |
| Total Cites to Single+First Authored Papers | 569 | 598 |
| Number of Single+First+Last Authored Papers | 44 | 44 |
| Total Cites to Single+First+Last Authored Papers | 1,911 | 2,079 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 6,657 | 6,999 |
| Ratio of Total Citations to Distinct Citing Papers | 1.09 | 1.13 |
| Self-Citation Percentage |
7.94%
|
|
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