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Year
Liu, Kai

Liu, Kai

University of Birmingham, United Kingdom

2026 Rank: 118,555

Overall Rank
Rank in SubField 1
Publications
Total Cites
Main Field:

Earth & Environmental Sciences

SubField 1:

Environmental Sciences

SubField 2:

Strategic, Defence & Security Studies

Rank in SubField 1: 2,749 out of 140,934 Researchers

Data For The Year: 2026
Metrics Self-Citations Excluded All
Rank Based on Composite Score118,555129,275
Total Cites837873
H-index1415
Hm-index33
Number of Single Authored Papers00
Total Cites to Single Authored Papers00
Number of Single+First Authored Papers1111
Total Cites to Single+First Authored Papers427434
Number of Single+First+Last Authored Papers1111
Total Cites to Single+First+Last Authored Papers427434
Composite Score22
Number of Distinct Citing Papers610625
Ratio of Total Citations to Distinct Citing Papers 1.37 1.40
Self-Citation Percentage
4.12%
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Liu, Kai

Liu, Kai

East China Normal University, China

2025 Rank: 86,071

Overall Rank
Rank in SubField 1
Publications
Total Cites
Main Field:

Earth & Environmental Sciences

SubField 1:

Environmental Sciences

SubField 2:

Strategic, Defence & Security Studies

Rank in SubField 1: 1,997 out of 130,223 Researchers

Data For The Year: 2025
Metrics Self-Citations Excluded All
Rank Based on Composite Score86,07196,634
Total Cites959991
H-index1616
Hm-index33
Number of Single Authored Papers00
Total Cites to Single Authored Papers00
Number of Single+First Authored Papers1010
Total Cites to Single+First Authored Papers502514
Number of Single+First+Last Authored Papers1010
Total Cites to Single+First+Last Authored Papers502514
Composite Score22
Number of Distinct Citing Papers677690
Ratio of Total Citations to Distinct Citing Papers 1.42 1.44
Self-Citation Percentage
3.23%
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