United KingdomOverall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Paleontology
SubField 2:
Geochemistry & Geophysics
Rank in SubField 1: 129 out of 22,513 Researchers
Data For The Year: 2025
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 43,925 | 37,035 |
| Total Cites | 7,636 | 9,982 |
| H-index | 47 | 56 |
| Hm-index | 22 | 25 |
| Number of Single Authored Papers | 8 | 8 |
| Total Cites to Single Authored Papers | 485 | 534 |
| Number of Single+First Authored Papers | 42 | 42 |
| Total Cites to Single+First Authored Papers | 2,731 | 3,268 |
| Number of Single+First+Last Authored Papers | 69 | 69 |
| Total Cites to Single+First+Last Authored Papers | 3,608 | 4,373 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 4,796 | 5,364 |
| Ratio of Total Citations to Distinct Citing Papers | 1.59 | 1.86 |
| Self-Citation Percentage |
23.50%
|
|
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Paleontology
SubField 2:
Geochemistry & Geophysics
Rank in SubField 1: 152 out of 21,817 Researchers
Data For The Year: 2024
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 46,868 | 38,591 |
| Total Cites | 6,564 | 8,669 |
| H-index | 44 | 52 |
| Hm-index | 21 | 24 |
| Number of Single Authored Papers | 8 | 8 |
| Total Cites to Single Authored Papers | 452 | 501 |
| Number of Single+First Authored Papers | 42 | 42 |
| Total Cites to Single+First Authored Papers | 2,490 | 3,016 |
| Number of Single+First+Last Authored Papers | 69 | 69 |
| Total Cites to Single+First+Last Authored Papers | 3,305 | 4,044 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 4,221 | 4,726 |
| Ratio of Total Citations to Distinct Citing Papers | 1.56 | 1.83 |
| Self-Citation Percentage |
24.28%
|
|
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Paleontology
SubField 2:
Geochemistry & Geophysics
Rank in SubField 1: 169 out of 21,102 Researchers
Data For The Year: 2023
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 49,836 | 42,046 |
| Total Cites | 5,731 | 7,569 |
| H-index | 40 | 48 |
| Hm-index | 20 | 23 |
| Number of Single Authored Papers | 8 | 8 |
| Total Cites to Single Authored Papers | 419 | 467 |
| Number of Single+First Authored Papers | 42 | 42 |
| Total Cites to Single+First Authored Papers | 2,267 | 2,750 |
| Number of Single+First+Last Authored Papers | 67 | 67 |
| Total Cites to Single+First+Last Authored Papers | 3,032 | 3,712 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 3,749 | 4,204 |
| Ratio of Total Citations to Distinct Citing Papers | 1.53 | 1.80 |
| Self-Citation Percentage |
24.28%
|
|
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Paleontology
SubField 2:
Geochemistry & Geophysics
Rank in SubField 1: 190 out of 20,344 Researchers
Data For The Year: 2022
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 53,459 | 45,149 |
| Total Cites | 4,855 | 6,380 |
| H-index | 36 | 44 |
| Hm-index | 19 | 22 |
| Number of Single Authored Papers | 8 | 8 |
| Total Cites to Single Authored Papers | 377 | 420 |
| Number of Single+First Authored Papers | 42 | 42 |
| Total Cites to Single+First Authored Papers | 2,023 | 2,466 |
| Number of Single+First+Last Authored Papers | 66 | 66 |
| Total Cites to Single+First+Last Authored Papers | 2,715 | 3,337 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 3,263 | 3,656 |
| Ratio of Total Citations to Distinct Citing Papers | 1.49 | 1.75 |
| Self-Citation Percentage |
23.90%
|
|
Spicer, Robert A.
Xishuangbanna Tropical Botanical Garden Chinese Academy of Sciences,
China
2021 Rank: 55,075
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Paleontology
SubField 2:
Geochemistry & Geophysics
Rank in SubField 1: 197 out of 19,448 Researchers
Data For The Year: 2021
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 55,075 | 44,969 |
| Total Cites | 4,516 | 5,973 |
| H-index | 35 | 43 |
| Hm-index | 19 | 22 |
| Number of Single Authored Papers | 8 | 8 |
| Total Cites to Single Authored Papers | 348 | 390 |
| Number of Single+First Authored Papers | 39 | 39 |
| Total Cites to Single+First Authored Papers | 1,899 | 2,320 |
| Number of Single+First+Last Authored Papers | 62 | 62 |
| Total Cites to Single+First+Last Authored Papers | 2,567 | 3,163 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 3,078 | 3,455 |
| Ratio of Total Citations to Distinct Citing Papers | 1.47 | 1.73 |
| Self-Citation Percentage |
24.39%
|
|
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Paleontology
SubField 2:
Geochemistry & Geophysics
Rank in SubField 1: 223 out of 18,345 Researchers
Data For The Year: 2020
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 57,517 | 49,945 |
| Total Cites | 3,857 | 4,959 |
| H-index | 31 | 38 |
| Hm-index | 18 | 21 |
| Number of Single Authored Papers | 8 | 8 |
| Total Cites to Single Authored Papers | 309 | 341 |
| Number of Single+First Authored Papers | 38 | 38 |
| Total Cites to Single+First Authored Papers | 1,726 | 2,066 |
| Number of Single+First+Last Authored Papers | 60 | 60 |
| Total Cites to Single+First+Last Authored Papers | 2,345 | 2,837 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 2,689 | 3,015 |
| Ratio of Total Citations to Distinct Citing Papers | 1.43 | 1.64 |
| Self-Citation Percentage |
22.22%
|
|
Related Profiles
Top 2% Scientists by Country
236,132 scientists from 167 countries on the 2025 single-year list.
United Kingdom18,125 scientists, 3rd in the world
Featured Profiles
Partner with TOPSCINET
Reach science enthusiasts and researchers across the site. Write to business@topscinet.com and our marketing team will send a proposal built around your banner ad goals.