Burkhard, Lawrence P.
United States Environmental Protection Agency,
United States
2025 Rank: 147,553
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Environmental Sciences
SubField 2:
Analytical Chemistry
Rank in SubField 1: 1,190 out of 130,223 Researchers
Data For The Year: 2025
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 147,553 | 160,572 |
| Total Cites | 2,100 | 2,310 |
| H-index | 25 | 26 |
| Hm-index | 13 | 13 |
| Number of Single Authored Papers | 5 | 5 |
| Total Cites to Single Authored Papers | 546 | 559 |
| Number of Single+First Authored Papers | 44 | 44 |
| Total Cites to Single+First Authored Papers | 1,213 | 1,316 |
| Number of Single+First+Last Authored Papers | 54 | 54 |
| Total Cites to Single+First+Last Authored Papers | 1,480 | 1,609 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 1,808 | 1,895 |
| Ratio of Total Citations to Distinct Citing Papers | 1.16 | 1.22 |
| Self-Citation Percentage |
9.09%
|
|
Burkhard, Lawrence P.
United States Environmental Protection Agency,
United States
2024 Rank: 150,495
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Environmental Sciences
SubField 2:
Analytical Chemistry
Rank in SubField 1: 1,107 out of 115,291 Researchers
Data For The Year: 2024
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 150,495 | 163,714 |
| Total Cites | 1,901 | 2,094 |
| H-index | 24 | 25 |
| Hm-index | 13 | 13 |
| Number of Single Authored Papers | 5 | 5 |
| Total Cites to Single Authored Papers | 478 | 491 |
| Number of Single+First Authored Papers | 44 | 44 |
| Total Cites to Single+First Authored Papers | 1,110 | 1,206 |
| Number of Single+First+Last Authored Papers | 53 | 53 |
| Total Cites to Single+First+Last Authored Papers | 1,366 | 1,487 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 1,628 | 1,708 |
| Ratio of Total Citations to Distinct Citing Papers | 1.17 | 1.23 |
| Self-Citation Percentage |
9.22%
|
|
Burkhard, Lawrence P.
United States Environmental Protection Agency,
United States
2021 Rank: 153,887
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Environmental Sciences
SubField 2:
Analytical Chemistry
Rank in SubField 1: 978 out of 77,304 Researchers
Data For The Year: 2021
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 153,887 | 166,774 |
| Total Cites | 1,535 | 1,702 |
| H-index | 21 | 22 |
| Hm-index | 11 | 11 |
| Number of Single Authored Papers | 4 | 4 |
| Total Cites to Single Authored Papers | 384 | 395 |
| Number of Single+First Authored Papers | 38 | 38 |
| Total Cites to Single+First Authored Papers | 937 | 1,022 |
| Number of Single+First+Last Authored Papers | 47 | 47 |
| Total Cites to Single+First+Last Authored Papers | 1,163 | 1,272 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 1,314 | 1,384 |
| Ratio of Total Citations to Distinct Citing Papers | 1.17 | 1.23 |
| Self-Citation Percentage |
9.81%
|
|
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