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Letcher, Robert J.

Letcher, Robert J.

Environment and Climate Change Canada, Canada

2025 Rank: 104,027

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Earth & Environmental Sciences

SubField 1:

Environmental Sciences

SubField 2:

Toxicology

Rank in SubField 1: 782 out of 130,223 Researchers

Data For The Year: 2025
Metrics Self-Citations Excluded All
Rank Based on Composite Score104,02786,796
Total Cites19,96426,289
H-index7187
Hm-index3339
Number of Single Authored Papers00
Total Cites to Single Authored Papers00
Number of Single+First Authored Papers2626
Total Cites to Single+First Authored Papers1,2691,782
Number of Single+First+Last Authored Papers138138
Total Cites to Single+First+Last Authored Papers7,1549,388
Composite Score33
Number of Distinct Citing Papers12,41013,598
Ratio of Total Citations to Distinct Citing Papers 1.61 1.93
Self-Citation Percentage
24.06%
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Letcher, Robert J.

Letcher, Robert J.

Carleton University, Canada

2024 Rank: 105,800

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Earth & Environmental Sciences

SubField 1:

Environmental Sciences

SubField 2:

Toxicology

Rank in SubField 1: 733 out of 115,291 Researchers

Data For The Year: 2024
Metrics Self-Citations Excluded All
Rank Based on Composite Score105,80086,675
Total Cites18,07324,097
H-index6783
Hm-index3137
Number of Single Authored Papers00
Total Cites to Single Authored Papers00
Number of Single+First Authored Papers2626
Total Cites to Single+First Authored Papers1,1731,673
Number of Single+First+Last Authored Papers133133
Total Cites to Single+First+Last Authored Papers6,6478,815
Composite Score33
Number of Distinct Citing Papers11,16212,270
Ratio of Total Citations to Distinct Citing Papers 1.62 1.96
Self-Citation Percentage
25.00%
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Letcher, Robert J.

Letcher, Robert J.

Carleton University, Canada

2023 Rank: 107,983

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Earth & Environmental Sciences

SubField 1:

Environmental Sciences

SubField 2:

Toxicology

Rank in SubField 1: 678 out of 99,567 Researchers

Data For The Year: 2023
Metrics Self-Citations Excluded All
Rank Based on Composite Score107,98387,347
Total Cites16,42222,192
H-index6379
Hm-index2935
Number of Single Authored Papers00
Total Cites to Single Authored Papers00
Number of Single+First Authored Papers2626
Total Cites to Single+First Authored Papers1,0861,577
Number of Single+First+Last Authored Papers130130
Total Cites to Single+First+Last Authored Papers6,1798,295
Composite Score33
Number of Distinct Citing Papers10,09811,127
Ratio of Total Citations to Distinct Citing Papers 1.63 1.99
Self-Citation Percentage
26.00%
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Letcher, Robert J.

Letcher, Robert J.

Carleton University, Canada

2022 Rank: 107,582

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Earth & Environmental Sciences

SubField 1:

Environmental Sciences

SubField 2:

Toxicology

Rank in SubField 1: 619 out of 86,604 Researchers

Data For The Year: 2022
Metrics Self-Citations Excluded All
Rank Based on Composite Score107,58285,986
Total Cites14,75220,103
H-index6074
Hm-index2733
Number of Single Authored Papers00
Total Cites to Single Authored Papers00
Number of Single+First Authored Papers2626
Total Cites to Single+First Authored Papers9971,475
Number of Single+First+Last Authored Papers128128
Total Cites to Single+First+Last Authored Papers5,6497,670
Composite Score33
Number of Distinct Citing Papers9,05410,010
Ratio of Total Citations to Distinct Citing Papers 1.63 2.01
Self-Citation Percentage
26.62%
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Letcher, Robert J.

Letcher, Robert J.

Carleton University, Canada

2021 Rank: 102,484

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Earth & Environmental Sciences

SubField 1:

Environmental Sciences

SubField 2:

Toxicology

Rank in SubField 1: 592 out of 77,304 Researchers

Data For The Year: 2021
Metrics Self-Citations Excluded All
Rank Based on Composite Score102,48482,841
Total Cites14,30919,555
H-index5973
Hm-index2733
Number of Single Authored Papers00
Total Cites to Single Authored Papers00
Number of Single+First Authored Papers2626
Total Cites to Single+First Authored Papers9761,453
Number of Single+First+Last Authored Papers125125
Total Cites to Single+First+Last Authored Papers5,5237,515
Composite Score33
Number of Distinct Citing Papers8,7489,680
Ratio of Total Citations to Distinct Citing Papers 1.64 2.02
Self-Citation Percentage
26.83%
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Letcher, Robert J.

Letcher, Robert J.

Carleton University, Canada

2020 Rank: 104,943

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Earth & Environmental Sciences

SubField 1:

Environmental Sciences

SubField 2:

Toxicology

Rank in SubField 1: 576 out of 66,925 Researchers

Data For The Year: 2020
Metrics Self-Citations Excluded All
Rank Based on Composite Score104,94382,242
Total Cites12,38617,269
H-index5670
Hm-index2530
Number of Single Authored Papers00
Total Cites to Single Authored Papers00
Number of Single+First Authored Papers2525
Total Cites to Single+First Authored Papers8731,325
Number of Single+First+Last Authored Papers122122
Total Cites to Single+First+Last Authored Papers4,8936,796
Composite Score33
Number of Distinct Citing Papers7,6028,473
Ratio of Total Citations to Distinct Citing Papers 1.63 2.04
Self-Citation Percentage
28.28%
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