Clemens, J. D.
Stellenbosch University,
South Africa
2025 Rank: 23,839
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Geochemistry & Geophysics
SubField 2:
Geology
Rank in SubField 1: 344 out of 103,460 Researchers
Data For The Year: 2025
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 23,839 | 20,869 |
| Total Cites | 565 | 659 |
| H-index | 11 | 11 |
| Hm-index | 6 | 7 |
| Number of Single Authored Papers | 30 | 30 |
| Total Cites to Single Authored Papers | 73 | 90 |
| Number of Single+First Authored Papers | 91 | 91 |
| Total Cites to Single+First Authored Papers | 369 | 447 |
| Number of Single+First+Last Authored Papers | 115 | 115 |
| Total Cites to Single+First+Last Authored Papers | 468 | 555 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 399 | 407 |
| Ratio of Total Citations to Distinct Citing Papers | 1.42 | 1.62 |
| Self-Citation Percentage |
14.26%
|
|
Clemens, J. D.
Stellenbosch University,
South Africa
2023 Rank: 15,681
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Geochemistry & Geophysics
SubField 2:
Geology
Rank in SubField 1: 245 out of 92,230 Researchers
Data For The Year: 2023
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 15,681 | 13,385 |
| Total Cites | 626 | 703 |
| H-index | 12 | 13 |
| Hm-index | 7 | 8 |
| Number of Single Authored Papers | 25 | 25 |
| Total Cites to Single Authored Papers | 90 | 97 |
| Number of Single+First Authored Papers | 81 | 81 |
| Total Cites to Single+First Authored Papers | 444 | 501 |
| Number of Single+First+Last Authored Papers | 104 | 104 |
| Total Cites to Single+First+Last Authored Papers | 543 | 612 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 426 | 434 |
| Ratio of Total Citations to Distinct Citing Papers | 1.47 | 1.62 |
| Self-Citation Percentage |
10.95%
|
|
Clemens, J. D.
Stellenbosch University,
South Africa
2022 Rank: 11,223
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Geochemistry & Geophysics
SubField 2:
Geology
Rank in SubField 1: 164 out of 87,916 Researchers
Data For The Year: 2022
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 11,223 | 10,472 |
| Total Cites | 702 | 781 |
| H-index | 13 | 13 |
| Hm-index | 8 | 9 |
| Number of Single Authored Papers | 23 | 23 |
| Total Cites to Single Authored Papers | 92 | 102 |
| Number of Single+First Authored Papers | 77 | 77 |
| Total Cites to Single+First Authored Papers | 475 | 531 |
| Number of Single+First+Last Authored Papers | 99 | 99 |
| Total Cites to Single+First+Last Authored Papers | 600 | 670 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 427 | 436 |
| Ratio of Total Citations to Distinct Citing Papers | 1.64 | 1.79 |
| Self-Citation Percentage |
10.12%
|
|
Clemens, J. D.
Stellenbosch University,
South Africa
2021 Rank: 11,410
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Geochemistry & Geophysics
SubField 2:
Geology
Rank in SubField 1: 197 out of 81,218 Researchers
Data For The Year: 2021
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 11,410 | 9,468 |
| Total Cites | 1,079 | 1,258 |
| H-index | 15 | 15 |
| Hm-index | 9 | 11 |
| Number of Single Authored Papers | 23 | 23 |
| Total Cites to Single Authored Papers | 155 | 182 |
| Number of Single+First Authored Papers | 73 | 73 |
| Total Cites to Single+First Authored Papers | 716 | 849 |
| Number of Single+First+Last Authored Papers | 95 | 95 |
| Total Cites to Single+First+Last Authored Papers | 913 | 1,074 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 697 | 713 |
| Ratio of Total Citations to Distinct Citing Papers | 1.55 | 1.76 |
| Self-Citation Percentage |
14.23%
|
|
Clemens, J. D.
Stellenbosch University,
South Africa
2020 Rank: 15,197
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Geochemistry & Geophysics
SubField 2:
Geology
Rank in SubField 1: 289 out of 70,197 Researchers
Data For The Year: 2020
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 15,197 | 12,060 |
| Total Cites | 734 | 857 |
| H-index | 12 | 13 |
| Hm-index | 7 | 8 |
| Number of Single Authored Papers | 22 | 22 |
| Total Cites to Single Authored Papers | 119 | 139 |
| Number of Single+First Authored Papers | 68 | 68 |
| Total Cites to Single+First Authored Papers | 453 | 546 |
| Number of Single+First+Last Authored Papers | 89 | 89 |
| Total Cites to Single+First+Last Authored Papers | 611 | 724 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 519 | 532 |
| Ratio of Total Citations to Distinct Citing Papers | 1.41 | 1.61 |
| Self-Citation Percentage |
14.35%
|
|
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