Ziegler, Alan D.
National University of Singapore,
Singapore
2025 Rank: 86,934
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Environmental Engineering
SubField 2:
Meteorology & Atmospheric Sciences
Rank in SubField 1: 398 out of 64,516 Researchers
Data For The Year: 2025
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 86,934 | 79,743 |
| Total Cites | 8,877 | 10,495 |
| H-index | 50 | 55 |
| Hm-index | 20 | 22 |
| Number of Single Authored Papers | 1 | 1 |
| Total Cites to Single Authored Papers | 25 | 32 |
| Number of Single+First Authored Papers | 53 | 53 |
| Total Cites to Single+First Authored Papers | 2,184 | 2,651 |
| Number of Single+First+Last Authored Papers | 115 | 115 |
| Total Cites to Single+First+Last Authored Papers | 4,705 | 5,686 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 7,468 | 8,281 |
| Ratio of Total Citations to Distinct Citing Papers | 1.19 | 1.27 |
| Self-Citation Percentage |
15.42%
|
|
Ziegler, Alan D.
Maejo University,
Thailand
2024 Rank: 93,089
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Environmental Engineering
SubField 2:
Meteorology & Atmospheric Sciences
Rank in SubField 1: 421 out of 60,423 Researchers
Data For The Year: 2024
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 93,089 | 83,300 |
| Total Cites | 7,701 | 9,202 |
| H-index | 45 | 51 |
| Hm-index | 19 | 21 |
| Number of Single Authored Papers | 1 | 1 |
| Total Cites to Single Authored Papers | 23 | 30 |
| Number of Single+First Authored Papers | 53 | 53 |
| Total Cites to Single+First Authored Papers | 2,066 | 2,522 |
| Number of Single+First+Last Authored Papers | 113 | 113 |
| Total Cites to Single+First+Last Authored Papers | 4,319 | 5,259 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 6,391 | 7,130 |
| Ratio of Total Citations to Distinct Citing Papers | 1.20 | 1.29 |
| Self-Citation Percentage |
16.31%
|
|
Ziegler, Alan D.
Maejo University,
Thailand
2023 Rank: 98,779
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Earth & Environmental Sciences
SubField 1:
Environmental Engineering
SubField 2:
Meteorology & Atmospheric Sciences
Rank in SubField 1: 448 out of 57,175 Researchers
Data For The Year: 2023
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 98,779 | 88,410 |
| Total Cites | 6,576 | 7,877 |
| H-index | 42 | 48 |
| Hm-index | 18 | 20 |
| Number of Single Authored Papers | 1 | 1 |
| Total Cites to Single Authored Papers | 20 | 27 |
| Number of Single+First Authored Papers | 52 | 52 |
| Total Cites to Single+First Authored Papers | 1,928 | 2,356 |
| Number of Single+First+Last Authored Papers | 109 | 109 |
| Total Cites to Single+First+Last Authored Papers | 3,927 | 4,768 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 5,392 | 6,003 |
| Ratio of Total Citations to Distinct Citing Papers | 1.22 | 1.31 |
| Self-Citation Percentage |
16.52%
|
|
Ziegler, Alan D.
Maejo University,
Thailand
2022 Rank: 109,975
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Engineering
SubField 1:
Environmental Engineering
SubField 2:
Environmental Sciences
Rank in SubField 1: 503 out of 54,000 Researchers
Data For The Year: 2022
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 109,975 | 95,368 |
| Total Cites | 5,508 | 6,729 |
| H-index | 39 | 44 |
| Hm-index | 17 | 19 |
| Number of Single Authored Papers | 1 | 1 |
| Total Cites to Single Authored Papers | 15 | 22 |
| Number of Single+First Authored Papers | 53 | 53 |
| Total Cites to Single+First Authored Papers | 1,786 | 2,207 |
| Number of Single+First+Last Authored Papers | 106 | 106 |
| Total Cites to Single+First+Last Authored Papers | 3,475 | 4,315 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 4,455 | 5,002 |
| Ratio of Total Citations to Distinct Citing Papers | 1.24 | 1.35 |
| Self-Citation Percentage |
18.15%
|
|
Ziegler, Alan D.
Maejo University,
Thailand
2021 Rank: 106,680
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Engineering
SubField 1:
Environmental Engineering
SubField 2:
Ecology
Rank in SubField 1: 485 out of 51,126 Researchers
Data For The Year: 2021
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 106,680 | 92,220 |
| Total Cites | 5,147 | 6,306 |
| H-index | 38 | 43 |
| Hm-index | 16 | 19 |
| Number of Single Authored Papers | 1 | 1 |
| Total Cites to Single Authored Papers | 16 | 23 |
| Number of Single+First Authored Papers | 51 | 51 |
| Total Cites to Single+First Authored Papers | 1,730 | 2,140 |
| Number of Single+First+Last Authored Papers | 100 | 100 |
| Total Cites to Single+First+Last Authored Papers | 3,316 | 4,128 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 4,134 | 4,651 |
| Ratio of Total Citations to Distinct Citing Papers | 1.25 | 1.36 |
| Self-Citation Percentage |
18.38%
|
|
Ziegler, Alan D.
National University of Singapore,
Singapore
2020 Rank: 122,359
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Engineering
SubField 1:
Environmental Engineering
SubField 2:
Ecology
Rank in SubField 1: 551 out of 42,482 Researchers
Data For The Year: 2020
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 122,359 | 104,713 |
| Total Cites | 4,152 | 5,153 |
| H-index | 33 | 39 |
| Hm-index | 15 | 17 |
| Number of Single Authored Papers | 1 | 1 |
| Total Cites to Single Authored Papers | 11 | 17 |
| Number of Single+First Authored Papers | 51 | 51 |
| Total Cites to Single+First Authored Papers | 1,542 | 1,933 |
| Number of Single+First+Last Authored Papers | 98 | 98 |
| Total Cites to Single+First+Last Authored Papers | 2,808 | 3,537 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 3,272 | 3,687 |
| Ratio of Total Citations to Distinct Citing Papers | 1.27 | 1.40 |
| Self-Citation Percentage |
19.43%
|
|
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