Chang, Fi John
National Taiwan University,
Taiwan
2025 Rank: 70371
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Engineering
SubField 1:
Environmental Engineering
SubField 2:
Environmental Sciences
Rank in SubField 1: 382 out of 64516 Researchers
Data For The Year: 2025
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 70371 | 73648 |
| Total Cites | 878 | 951 |
| H-index | 14 | 15 |
| Hm-index | 7 | 8 |
| Number of Single Authored Papers | 3 | 3 |
| Total Cites to Single Authored Papers | 0 | 0 |
| Number of Single+First Authored Papers | 57 | 57 |
| Total Cites to Single+First Authored Papers | 195 | 200 |
| Number of Single+First+Last Authored Papers | 140 | 140 |
| Total Cites to Single+First+Last Authored Papers | 629 | 667 |
| Composite Score | 2 | 2 |
| Number of Distinct Citing Papers | 761 | 785 |
| Ratio of Total Citations to Distinct Citing Papers | 1.15 | 1.21 |
| Self-Citation Percentage |
7.68%
|
|
Chang, Fi John
National Taiwan University,
Taiwan
2024 Rank: 68688
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Engineering
SubField 1:
Environmental Engineering
SubField 2:
Environmental Sciences
Rank in SubField 1: 383 out of 60423 Researchers
Data For The Year: 2024
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 68688 | 73446 |
| Total Cites | 817 | 891 |
| H-index | 14 | 15 |
| Hm-index | 7 | 7 |
| Number of Single Authored Papers | 3 | 3 |
| Total Cites to Single Authored Papers | 0 | 0 |
| Number of Single+First Authored Papers | 57 | 57 |
| Total Cites to Single+First Authored Papers | 197 | 207 |
| Number of Single+First+Last Authored Papers | 133 | 133 |
| Total Cites to Single+First+Last Authored Papers | 560 | 613 |
| Composite Score | 2 | 2 |
| Number of Distinct Citing Papers | 669 | 696 |
| Ratio of Total Citations to Distinct Citing Papers | 1.22 | 1.28 |
| Self-Citation Percentage |
8.31%
|
|
Chang, Fi John
National Taiwan University,
Taiwan
2023 Rank: 58355
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Engineering
SubField 1:
Environmental Engineering
SubField 2:
Environmental Sciences
Rank in SubField 1: 333 out of 57175 Researchers
Data For The Year: 2023
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 58355 | 57870 |
| Total Cites | 887 | 977 |
| H-index | 15 | 16 |
| Hm-index | 8 | 8 |
| Number of Single Authored Papers | 3 | 3 |
| Total Cites to Single Authored Papers | 0 | 0 |
| Number of Single+First Authored Papers | 56 | 56 |
| Total Cites to Single+First Authored Papers | 245 | 258 |
| Number of Single+First+Last Authored Papers | 127 | 127 |
| Total Cites to Single+First+Last Authored Papers | 631 | 693 |
| Composite Score | 2 | 2 |
| Number of Distinct Citing Papers | 742 | 766 |
| Ratio of Total Citations to Distinct Citing Papers | 1.20 | 1.28 |
| Self-Citation Percentage |
9.21%
|
|
Chang, Fi John
National Taiwan University,
Taiwan
2022 Rank: 55054
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Engineering
SubField 1:
Environmental Engineering
SubField 2:
Environmental Sciences
Rank in SubField 1: 318 out of 54000 Researchers
Data For The Year: 2022
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 55054 | 59500 |
| Total Cites | 858 | 904 |
| H-index | 14 | 15 |
| Hm-index | 8 | 9 |
| Number of Single Authored Papers | 3 | 3 |
| Total Cites to Single Authored Papers | 0 | 0 |
| Number of Single+First Authored Papers | 56 | 56 |
| Total Cites to Single+First Authored Papers | 233 | 242 |
| Number of Single+First+Last Authored Papers | 120 | 120 |
| Total Cites to Single+First+Last Authored Papers | 573 | 599 |
| Composite Score | 2 | 2 |
| Number of Distinct Citing Papers | 707 | 721 |
| Ratio of Total Citations to Distinct Citing Papers | 1.21 | 1.25 |
| Self-Citation Percentage |
5.09%
|
|
Chang, Fi John
National Taiwan University,
Taiwan
2021 Rank: 64605
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Engineering
SubField 1:
Environmental Engineering
SubField 2:
Environmental Sciences
Rank in SubField 1: 394 out of 51126 Researchers
Data For The Year: 2021
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 64605 | 67239 |
| Total Cites | 1122 | 1263 |
| H-index | 18 | 19 |
| Hm-index | 9 | 10 |
| Number of Single Authored Papers | 3 | 3 |
| Total Cites to Single Authored Papers | 0 | 0 |
| Number of Single+First Authored Papers | 56 | 56 |
| Total Cites to Single+First Authored Papers | 332 | 363 |
| Number of Single+First+Last Authored Papers | 115 | 115 |
| Total Cites to Single+First+Last Authored Papers | 756 | 839 |
| Composite Score | 2 | 3 |
| Number of Distinct Citing Papers | 933 | 966 |
| Ratio of Total Citations to Distinct Citing Papers | 1.20 | 1.31 |
| Self-Citation Percentage |
11.16%
|
|
Chang, Fi John
National Taiwan University,
Taiwan
2020 Rank: 68038
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Engineering
SubField 1:
Environmental Engineering
SubField 2:
Agronomy & Agriculture
Rank in SubField 1: 415 out of 42482 Researchers
Data For The Year: 2020
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 68038 | 62149 |
| Total Cites | 719 | 870 |
| H-index | 15 | 17 |
| Hm-index | 7 | 8 |
| Number of Single Authored Papers | 3 | 3 |
| Total Cites to Single Authored Papers | 0 | 0 |
| Number of Single+First Authored Papers | 54 | 54 |
| Total Cites to Single+First Authored Papers | 274 | 309 |
| Number of Single+First+Last Authored Papers | 108 | 108 |
| Total Cites to Single+First+Last Authored Papers | 508 | 594 |
| Composite Score | 2 | 2 |
| Number of Distinct Citing Papers | 576 | 611 |
| Ratio of Total Citations to Distinct Citing Papers | 1.25 | 1.42 |
| Self-Citation Percentage |
17.36%
|
|
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