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: 39 out of 22,513 Researchers
Data For The Year: 2025
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 28,673 | 26,723 |
| Total Cites | 1,009 | 1,240 |
| H-index | 16 | 19 |
| Hm-index | 6 | 6 |
| Number of Single Authored Papers | 8 | 8 |
| Total Cites to Single Authored Papers | 30 | 30 |
| Number of Single+First Authored Papers | 42 | 42 |
| Total Cites to Single+First Authored Papers | 230 | 241 |
| Number of Single+First+Last Authored Papers | 69 | 69 |
| Total Cites to Single+First+Last Authored Papers | 287 | 312 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 538 | 593 |
| Ratio of Total Citations to Distinct Citing Papers | 1.88 | 2.09 |
| Self-Citation Percentage |
18.63%
|
|
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 21,817 Researchers
Data For The Year: 2024
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 29,581 | 28,346 |
| Total Cites | 823 | 1,104 |
| H-index | 16 | 16 |
| Hm-index | 6 | 6 |
| Number of Single Authored Papers | 8 | 8 |
| Total Cites to Single Authored Papers | 31 | 32 |
| Number of Single+First Authored Papers | 42 | 42 |
| Total Cites to Single+First Authored Papers | 213 | 256 |
| Number of Single+First+Last Authored Papers | 69 | 69 |
| Total Cites to Single+First+Last Authored Papers | 267 | 326 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 460 | 521 |
| Ratio of Total Citations to Distinct Citing Papers | 1.79 | 2.12 |
| Self-Citation Percentage |
25.45%
|
|
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Paleontology
SubField 2:
Geochemistry & Geophysics
Rank in SubField 1: 60 out of 21,102 Researchers
Data For The Year: 2023
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 31,549 | 23,704 |
| Total Cites | 844 | 1,146 |
| H-index | 14 | 17 |
| Hm-index | 5 | 6 |
| Number of Single Authored Papers | 8 | 8 |
| Total Cites to Single Authored Papers | 39 | 45 |
| Number of Single+First Authored Papers | 42 | 42 |
| Total Cites to Single+First Authored Papers | 232 | 276 |
| Number of Single+First+Last Authored Papers | 67 | 67 |
| Total Cites to Single+First+Last Authored Papers | 305 | 367 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 457 | 519 |
| Ratio of Total Citations to Distinct Citing Papers | 1.85 | 2.21 |
| Self-Citation Percentage |
26.35%
|
|
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Paleontology
SubField 2:
Geochemistry & Geophysics
Rank in SubField 1: 78 out of 20,344 Researchers
Data For The Year: 2022
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 34,478 | 22,473 |
| Total Cites | 678 | 972 |
| H-index | 13 | 15 |
| Hm-index | 5 | 6 |
| Number of Single Authored Papers | 8 | 8 |
| Total Cites to Single Authored Papers | 45 | 52 |
| Number of Single+First Authored Papers | 42 | 42 |
| Total Cites to Single+First Authored Papers | 203 | 274 |
| Number of Single+First+Last Authored Papers | 66 | 66 |
| Total Cites to Single+First+Last Authored Papers | 254 | 340 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 384 | 427 |
| Ratio of Total Citations to Distinct Citing Papers | 1.77 | 2.28 |
| Self-Citation Percentage |
30.25%
|
|
Spicer, Robert A.
Xishuangbanna Tropical Botanical Garden Chinese Academy of Sciences,
China
2021 Rank: 49,099
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Paleontology
SubField 2:
Geochemistry & Geophysics
Rank in SubField 1: 155 out of 19,448 Researchers
Data For The Year: 2021
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 49,099 | 27,509 |
| Total Cites | 763 | 1,216 |
| H-index | 13 | 18 |
| Hm-index | 6 | 8 |
| Number of Single Authored Papers | 8 | 8 |
| Total Cites to Single Authored Papers | 52 | 66 |
| Number of Single+First Authored Papers | 39 | 39 |
| Total Cites to Single+First Authored Papers | 214 | 323 |
| Number of Single+First+Last Authored Papers | 62 | 62 |
| Total Cites to Single+First+Last Authored Papers | 273 | 416 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 467 | 538 |
| Ratio of Total Citations to Distinct Citing Papers | 1.63 | 2.26 |
| Self-Citation Percentage |
37.25%
|
|
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Paleontology
SubField 2:
Geochemistry & Geophysics
Rank in SubField 1: 142 out of 18,345 Researchers
Data For The Year: 2020
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 41,907 | 29,982 |
| Total Cites | 516 | 783 |
| H-index | 12 | 14 |
| Hm-index | 5 | 6 |
| Number of Single Authored Papers | 8 | 8 |
| Total Cites to Single Authored Papers | 50 | 59 |
| Number of Single+First Authored Papers | 38 | 38 |
| Total Cites to Single+First Authored Papers | 195 | 250 |
| Number of Single+First+Last Authored Papers | 60 | 60 |
| Total Cites to Single+First+Last Authored Papers | 253 | 328 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 299 | 353 |
| Ratio of Total Citations to Distinct Citing Papers | 1.73 | 2.22 |
| Self-Citation Percentage |
34.10%
|
|
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.