Zimmermann, Ralf
Helmholtz Center Munich German Research Center for Environmental Health,
Germany
2025 Rank: 100,878
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Chemistry
SubField 1:
Analytical Chemistry
SubField 2:
Meteorology & Atmospheric Sciences
Rank in SubField 1: 683 out of 129,614 Researchers
Data For The Year: 2025
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 100,878 | 81,996 |
| Total Cites | 1,490 | 1,897 |
| H-index | 14 | 15 |
| Hm-index | 5 | 6 |
| Number of Single Authored Papers | 6 | 6 |
| Total Cites to Single Authored Papers | 3 | 3 |
| Number of Single+First Authored Papers | 35 | 35 |
| Total Cites to Single+First Authored Papers | 19 | 22 |
| Number of Single+First+Last Authored Papers | 310 | 310 |
| Total Cites to Single+First+Last Authored Papers | 479 | 681 |
| Composite Score | 2 | 2 |
| Number of Distinct Citing Papers | 1,225 | 1,324 |
| Ratio of Total Citations to Distinct Citing Papers | 1.22 | 1.43 |
| Self-Citation Percentage |
21.45%
|
|
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Chemistry
SubField 1:
Analytical Chemistry
SubField 2:
Meteorology & Atmospheric Sciences
Rank in SubField 1: 857 out of 122,576 Researchers
Data For The Year: 2024
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 123,006 | 94,212 |
| Total Cites | 1,356 | 1,724 |
| H-index | 13 | 15 |
| Hm-index | 5 | 6 |
| Number of Single Authored Papers | 5 | 5 |
| Total Cites to Single Authored Papers | 2 | 2 |
| Number of Single+First Authored Papers | 32 | 32 |
| Total Cites to Single+First Authored Papers | 18 | 20 |
| Number of Single+First+Last Authored Papers | 286 | 286 |
| Total Cites to Single+First+Last Authored Papers | 388 | 571 |
| Composite Score | 2 | 2 |
| Number of Distinct Citing Papers | 1,139 | 1,251 |
| Ratio of Total Citations to Distinct Citing Papers | 1.19 | 1.38 |
| Self-Citation Percentage |
21.35%
|
|
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Chemistry
SubField 1:
Analytical Chemistry
SubField 2:
Meteorology & Atmospheric Sciences
Rank in SubField 1: 513 out of 107,126 Researchers
Data For The Year: 2022
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 81,806 | 50,009 |
| Total Cites | 1,582 | 2,020 |
| H-index | 14 | 16 |
| Hm-index | 5 | 7 |
| Number of Single Authored Papers | 8 | 8 |
| Total Cites to Single Authored Papers | 4 | 8 |
| Number of Single+First Authored Papers | 39 | 39 |
| Total Cites to Single+First Authored Papers | 17 | 23 |
| Number of Single+First+Last Authored Papers | 285 | 285 |
| Total Cites to Single+First+Last Authored Papers | 450 | 686 |
| Composite Score | 2 | 3 |
| Number of Distinct Citing Papers | 1,314 | 1,458 |
| Ratio of Total Citations to Distinct Citing Papers | 1.20 | 1.39 |
| Self-Citation Percentage |
21.68%
|
|
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Chemistry
SubField 1:
Analytical Chemistry
SubField 2:
Environmental Sciences
Rank in SubField 1: 480 out of 102,767 Researchers
Data For The Year: 2021
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 72,336 | 55,407 |
| Total Cites | 2,332 | 2,851 |
| H-index | 16 | 18 |
| Hm-index | 7 | 8 |
| Number of Single Authored Papers | 7 | 7 |
| Total Cites to Single Authored Papers | 6 | 9 |
| Number of Single+First Authored Papers | 35 | 35 |
| Total Cites to Single+First Authored Papers | 32 | 42 |
| Number of Single+First+Last Authored Papers | 239 | 239 |
| Total Cites to Single+First+Last Authored Papers | 676 | 912 |
| Composite Score | 2 | 3 |
| Number of Distinct Citing Papers | 1,953 | 2,147 |
| Ratio of Total Citations to Distinct Citing Papers | 1.19 | 1.33 |
| Self-Citation Percentage |
18.20%
|
|
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Chemistry
SubField 1:
Analytical Chemistry
SubField 2:
Environmental Sciences
Rank in SubField 1: 413 out of 87,137 Researchers
Data For The Year: 2020
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 57,717 | 48,059 |
| Total Cites | 1,780 | 2,137 |
| H-index | 13 | 15 |
| Hm-index | 6 | 7 |
| Number of Single Authored Papers | 7 | 7 |
| Total Cites to Single Authored Papers | 8 | 9 |
| Number of Single+First Authored Papers | 36 | 36 |
| Total Cites to Single+First Authored Papers | 31 | 37 |
| Number of Single+First+Last Authored Papers | 229 | 229 |
| Total Cites to Single+First+Last Authored Papers | 634 | 768 |
| Composite Score | 2 | 3 |
| Number of Distinct Citing Papers | 1,441 | 1,599 |
| Ratio of Total Citations to Distinct Citing Papers | 1.24 | 1.34 |
| Self-Citation Percentage |
16.71%
|
|
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