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Chang, Fi John

Chang, Fi John

National Taiwan University, Taiwan

2025 Rank: 149,356

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Engineering

SubField 1:

Environmental Engineering

SubField 2:

Environmental Sciences

Rank in SubField 1: 766 out of 64,516 Researchers

Data For The Year: 2025
Metrics Self-Citations Excluded All
Rank Based on Composite Score149,356158,468
Total Cites7,5928,667
H-index5154
Hm-index2526
Number of Single Authored Papers33
Total Cites to Single Authored Papers00
Number of Single+First Authored Papers5757
Total Cites to Single+First Authored Papers2,8563,151
Number of Single+First+Last Authored Papers140140
Total Cites to Single+First+Last Authored Papers5,8846,661
Composite Score33
Number of Distinct Citing Papers6,0616,364
Ratio of Total Citations to Distinct Citing Papers 1.25 1.36
Self-Citation Percentage
12.40%
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Chang, Fi John

Chang, Fi John

National Taiwan University, Taiwan

2024 Rank: 154,083

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Engineering

SubField 1:

Environmental Engineering

SubField 2:

Environmental Sciences

Rank in SubField 1: 776 out of 60,423 Researchers

Data For The Year: 2024
Metrics Self-Citations Excluded All
Rank Based on Composite Score154,083163,267
Total Cites6,7017,695
H-index4750
Hm-index2324
Number of Single Authored Papers33
Total Cites to Single Authored Papers00
Number of Single+First Authored Papers5757
Total Cites to Single+First Authored Papers2,6532,943
Number of Single+First+Last Authored Papers133133
Total Cites to Single+First+Last Authored Papers5,2445,977
Composite Score33
Number of Distinct Citing Papers5,2875,559
Ratio of Total Citations to Distinct Citing Papers 1.27 1.38
Self-Citation Percentage
12.92%
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Chang, Fi John

Chang, Fi John

National Taiwan University, Taiwan

2023 Rank: 161,109

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Engineering

SubField 1:

Environmental Engineering

SubField 2:

Environmental Sciences

Rank in SubField 1: 809 out of 57,175 Researchers

Data For The Year: 2023
Metrics Self-Citations Excluded All
Rank Based on Composite Score161,109164,321
Total Cites5,8736,793
H-index4348
Hm-index2223
Number of Single Authored Papers33
Total Cites to Single Authored Papers00
Number of Single+First Authored Papers5656
Total Cites to Single+First Authored Papers2,4482,728
Number of Single+First+Last Authored Papers127127
Total Cites to Single+First+Last Authored Papers4,6735,354
Composite Score33
Number of Distinct Citing Papers4,6064,851
Ratio of Total Citations to Distinct Citing Papers 1.28 1.40
Self-Citation Percentage
13.54%
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Chang, Fi John

Chang, Fi John

National Taiwan University, Taiwan

2022 Rank: 166,237

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Engineering

SubField 1:

Environmental Engineering

SubField 2:

Environmental Sciences

Rank in SubField 1: 835 out of 54,000 Researchers

Data For The Year: 2022
Metrics Self-Citations Excluded All
Rank Based on Composite Score166,237169,543
Total Cites4,9435,774
H-index4044
Hm-index2022
Number of Single Authored Papers33
Total Cites to Single Authored Papers00
Number of Single+First Authored Papers5656
Total Cites to Single+First Authored Papers2,1842,451
Number of Single+First+Last Authored Papers120120
Total Cites to Single+First+Last Authored Papers4,0064,625
Composite Score33
Number of Distinct Citing Papers3,8254,048
Ratio of Total Citations to Distinct Citing Papers 1.29 1.43
Self-Citation Percentage
14.39%
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Chang, Fi John

Chang, Fi John

National Taiwan University, Taiwan

2021 Rank: 166,276

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Engineering

SubField 1:

Environmental Engineering

SubField 2:

Environmental Sciences

Rank in SubField 1: 832 out of 51,126 Researchers

Data For The Year: 2021
Metrics Self-Citations Excluded All
Rank Based on Composite Score166,276167,383
Total Cites4,5815,393
H-index3742
Hm-index2022
Number of Single Authored Papers33
Total Cites to Single Authored Papers00
Number of Single+First Authored Papers5656
Total Cites to Single+First Authored Papers2,0812,346
Number of Single+First+Last Authored Papers115115
Total Cites to Single+First+Last Authored Papers3,7534,363
Composite Score33
Number of Distinct Citing Papers3,5343,750
Ratio of Total Citations to Distinct Citing Papers 1.30 1.44
Self-Citation Percentage
15.06%
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