Twitchett, Richard J.
The Natural History Museum, London,
United Kingdom
2025 Rank: 49252
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Paleontology
SubField 2:
Geochemistry & Geophysics
Rank in SubField 1: 153 out of 22513 Researchers
Data For The Year: 2025
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 49252 | 46410 |
| Total Cites | 7049 | 8458 |
| H-index | 39 | 45 |
| Hm-index | 20 | 21 |
| Number of Single Authored Papers | 11 | 11 |
| Total Cites to Single Authored Papers | 740 | 828 |
| Number of Single+First Authored Papers | 17 | 17 |
| Total Cites to Single+First Authored Papers | 1591 | 1801 |
| Number of Single+First+Last Authored Papers | 54 | 54 |
| Total Cites to Single+First+Last Authored Papers | 4744 | 5611 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 4098 | 4489 |
| Ratio of Total Citations to Distinct Citing Papers | 1.72 | 1.88 |
| Self-Citation Percentage |
16.66%
|
|
Twitchett, Richard J.
University of Plymouth,
United Kingdom
2024 Rank: 48033
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Paleontology
SubField 2:
Geochemistry & Geophysics
Rank in SubField 1: 160 out of 21817 Researchers
Data For The Year: 2024
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 48033 | 45971 |
| Total Cites | 6609 | 7973 |
| H-index | 39 | 44 |
| Hm-index | 19 | 20 |
| Number of Single Authored Papers | 10 | 10 |
| Total Cites to Single Authored Papers | 716 | 804 |
| Number of Single+First Authored Papers | 16 | 16 |
| Total Cites to Single+First Authored Papers | 1547 | 1755 |
| Number of Single+First+Last Authored Papers | 53 | 53 |
| Total Cites to Single+First+Last Authored Papers | 4479 | 5325 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 3774 | 4142 |
| Ratio of Total Citations to Distinct Citing Papers | 1.75 | 1.92 |
| Self-Citation Percentage |
17.11%
|
|
Twitchett, Richard J.
The Natural History Museum, London,
United Kingdom
2023 Rank: 47617
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Paleontology
SubField 2:
Geochemistry & Geophysics
Rank in SubField 1: 156 out of 21102 Researchers
Data For The Year: 2023
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 47617 | 44717 |
| Total Cites | 6136 | 7453 |
| H-index | 37 | 43 |
| Hm-index | 19 | 20 |
| Number of Single Authored Papers | 9 | 9 |
| Total Cites to Single Authored Papers | 689 | 777 |
| Number of Single+First Authored Papers | 15 | 15 |
| Total Cites to Single+First Authored Papers | 1494 | 1700 |
| Number of Single+First+Last Authored Papers | 52 | 52 |
| Total Cites to Single+First+Last Authored Papers | 4194 | 5012 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 3437 | 3792 |
| Ratio of Total Citations to Distinct Citing Papers | 1.79 | 1.97 |
| Self-Citation Percentage |
17.67%
|
|
Twitchett, Richard J.
The Natural History Museum, London,
United Kingdom
2020 Rank: 45158
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Paleontology
SubField 2:
Geochemistry & Geophysics
Rank in SubField 1: 166 out of 18345 Researchers
Data For The Year: 2020
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 45158 | 42988 |
| Total Cites | 4719 | 5811 |
| H-index | 33 | 37 |
| Hm-index | 18 | 19 |
| Number of Single Authored Papers | 8 | 8 |
| Total Cites to Single Authored Papers | 594 | 671 |
| Number of Single+First Authored Papers | 14 | 14 |
| Total Cites to Single+First Authored Papers | 1305 | 1485 |
| Number of Single+First+Last Authored Papers | 49 | 49 |
| Total Cites to Single+First+Last Authored Papers | 3331 | 4021 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 2546 | 2849 |
| Ratio of Total Citations to Distinct Citing Papers | 1.85 | 2.04 |
| Self-Citation Percentage |
18.79%
|
|
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