Twitchett, Richard J.
The Natural History Museum, London,
United Kingdom
2025 Rank: 108163
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Paleontology
SubField 2:
Geochemistry & Geophysics
Rank in SubField 1: 251 out of 22513 Researchers
Data For The Year: 2025
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 108163 | 109362 |
| Total Cites | 411 | 451 |
| H-index | 9 | 10 |
| Hm-index | 5 | 5 |
| Number of Single Authored Papers | 11 | 11 |
| Total Cites to Single Authored Papers | 21 | 21 |
| Number of Single+First Authored Papers | 17 | 17 |
| Total Cites to Single+First Authored Papers | 39 | 41 |
| Number of Single+First+Last Authored Papers | 54 | 54 |
| Total Cites to Single+First+Last Authored Papers | 251 | 271 |
| Composite Score | 2 | 2 |
| Number of Distinct Citing Papers | 302 | 321 |
| Ratio of Total Citations to Distinct Citing Papers | 1.36 | 1.40 |
| Self-Citation Percentage |
8.87%
|
|
Twitchett, Richard J.
University of Plymouth,
United Kingdom
2024 Rank: 77784
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Paleontology
SubField 2:
Geochemistry & Geophysics
Rank in SubField 1: 180 out of 21817 Researchers
Data For The Year: 2024
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 77784 | 77037 |
| Total Cites | 448 | 492 |
| H-index | 10 | 10 |
| Hm-index | 5 | 6 |
| Number of Single Authored Papers | 10 | 10 |
| Total Cites to Single Authored Papers | 26 | 26 |
| Number of Single+First Authored Papers | 16 | 16 |
| Total Cites to Single+First Authored Papers | 49 | 50 |
| Number of Single+First+Last Authored Papers | 53 | 53 |
| Total Cites to Single+First+Last Authored Papers | 269 | 295 |
| Composite Score | 2 | 2 |
| Number of Distinct Citing Papers | 322 | 333 |
| Ratio of Total Citations to Distinct Citing Papers | 1.39 | 1.48 |
| Self-Citation Percentage |
8.94%
|
|
Twitchett, Richard J.
The Natural History Museum, London,
United Kingdom
2023 Rank: 75692
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Paleontology
SubField 2:
Geochemistry & Geophysics
Rank in SubField 1: 212 out of 21102 Researchers
Data For The Year: 2023
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 75692 | 65106 |
| Total Cites | 454 | 539 |
| H-index | 10 | 11 |
| Hm-index | 6 | 6 |
| Number of Single Authored Papers | 9 | 9 |
| Total Cites to Single Authored Papers | 27 | 33 |
| Number of Single+First Authored Papers | 15 | 15 |
| Total Cites to Single+First Authored Papers | 42 | 54 |
| Number of Single+First+Last Authored Papers | 52 | 52 |
| Total Cites to Single+First+Last Authored Papers | 258 | 305 |
| Composite Score | 2 | 2 |
| Number of Distinct Citing Papers | 311 | 329 |
| Ratio of Total Citations to Distinct Citing Papers | 1.46 | 1.64 |
| Self-Citation Percentage |
15.77%
|
|
Twitchett, Richard J.
The Natural History Museum, London,
United Kingdom
2020 Rank: 21753
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Paleontology
SubField 2:
Geochemistry & Geophysics
Rank in SubField 1: 48 out of 18345 Researchers
Data For The Year: 2020
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 21753 | 21005 |
| Total Cites | 746 | 877 |
| H-index | 14 | 15 |
| Hm-index | 8 | 9 |
| Number of Single Authored Papers | 8 | 8 |
| Total Cites to Single Authored Papers | 66 | 67 |
| Number of Single+First Authored Papers | 14 | 14 |
| Total Cites to Single+First Authored Papers | 139 | 145 |
| Number of Single+First+Last Authored Papers | 49 | 49 |
| Total Cites to Single+First+Last Authored Papers | 499 | 583 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 379 | 406 |
| Ratio of Total Citations to Distinct Citing Papers | 1.97 | 2.16 |
| Self-Citation Percentage |
14.94%
|
|
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