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Spears, D. A.

The University of Sheffield, United Kingdom

2024 Rank: 91,092

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Earth & Environmental Sciences

SubField 1:

Geochemistry & Geophysics

SubField 2:

Geology

Rank in SubField 1: 1,595 out of 98,126 Researchers

Data For The Year: 2024
Metrics Self-Citations Excluded All
Rank Based on Composite Score91,09291,620
Total Cites2,5172,872
H-index2933
Hm-index2122
Number of Single Authored Papers3434
Total Cites to Single Authored Papers500530
Number of Single+First Authored Papers6161
Total Cites to Single+First Authored Papers1,3781,501
Number of Single+First+Last Authored Papers8787
Total Cites to Single+First+Last Authored Papers1,8872,101
Composite Score33
Number of Distinct Citing Papers1,8501,979
Ratio of Total Citations to Distinct Citing Papers 1.36 1.45
Self-Citation Percentage
12.36%
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Spears, D. A.

The University of Sheffield, United Kingdom

2023 Rank: 91,240

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Earth & Environmental Sciences

SubField 1:

Geochemistry & Geophysics

SubField 2:

Geology

Rank in SubField 1: 1,599 out of 92,230 Researchers

Data For The Year: 2023
Metrics Self-Citations Excluded All
Rank Based on Composite Score91,24095,862
Total Cites2,3232,668
H-index2831
Hm-index2021
Number of Single Authored Papers3434
Total Cites to Single Authored Papers450480
Number of Single+First Authored Papers6161
Total Cites to Single+First Authored Papers1,2761,397
Number of Single+First+Last Authored Papers8686
Total Cites to Single+First+Last Authored Papers1,7581,969
Composite Score33
Number of Distinct Citing Papers1,7321,857
Ratio of Total Citations to Distinct Citing Papers 1.34 1.44
Self-Citation Percentage
12.93%
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Spears, D. A.

The University of Sheffield, United Kingdom

2022 Rank: 87,243

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Earth & Environmental Sciences

SubField 1:

Geochemistry & Geophysics

SubField 2:

Geology

Rank in SubField 1: 1,567 out of 87,916 Researchers

Data For The Year: 2022
Metrics Self-Citations Excluded All
Rank Based on Composite Score87,24392,772
Total Cites2,1582,484
H-index2830
Hm-index2021
Number of Single Authored Papers3434
Total Cites to Single Authored Papers407437
Number of Single+First Authored Papers6161
Total Cites to Single+First Authored Papers1,1831,302
Number of Single+First+Last Authored Papers8686
Total Cites to Single+First+Last Authored Papers1,6451,852
Composite Score33
Number of Distinct Citing Papers1,6031,721
Ratio of Total Citations to Distinct Citing Papers 1.35 1.44
Self-Citation Percentage
13.12%
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Spears, D. A.

The University of Sheffield, United Kingdom

2021 Rank: 91,233

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Earth & Environmental Sciences

SubField 1:

Geochemistry & Geophysics

SubField 2:

Geology

Rank in SubField 1: 1,601 out of 81,218 Researchers

Data For The Year: 2021
Metrics Self-Citations Excluded All
Rank Based on Composite Score91,23393,371
Total Cites2,0682,389
H-index2729
Hm-index1820
Number of Single Authored Papers3434
Total Cites to Single Authored Papers383413
Number of Single+First Authored Papers6161
Total Cites to Single+First Authored Papers1,1291,248
Number of Single+First+Last Authored Papers8686
Total Cites to Single+First+Last Authored Papers1,5801,786
Composite Score33
Number of Distinct Citing Papers1,5511,668
Ratio of Total Citations to Distinct Citing Papers 1.33 1.43
Self-Citation Percentage
13.44%
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Spears, D. A.

University of Sheffield, United Kingdom

2020 Rank: 91,178

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Earth & Environmental Sciences

SubField 1:

Geochemistry & Geophysics

SubField 2:

Energy

Rank in SubField 1: 1,528 out of 70,197 Researchers

Data For The Year: 2020
Metrics Self-Citations Excluded All
Rank Based on Composite Score91,17891,317
Total Cites1,9022,215
H-index2629
Hm-index1819
Number of Single Authored Papers3434
Total Cites to Single Authored Papers336365
Number of Single+First Authored Papers6161
Total Cites to Single+First Authored Papers1,0241,140
Number of Single+First+Last Authored Papers8787
Total Cites to Single+First+Last Authored Papers1,4621,665
Composite Score33
Number of Distinct Citing Papers1,4361,551
Ratio of Total Citations to Distinct Citing Papers 1.32 1.43
Self-Citation Percentage
14.13%
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