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Kirchner, Gerald

Kirchner, Gerald

Universität Bremen, Germany

2025 Rank: 238,601

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Earth & Environmental Sciences

SubField 1:

Environmental Sciences

SubField 2:

Nuclear Medicine & Medical Imaging

Rank in SubField 1: 2,117 out of 130,223 Researchers

Data For The Year: 2025
Metrics Self-Citations Excluded All
Rank Based on Composite Score238,601255,223
Total Cites1,5281,694
H-index2022
Hm-index1212
Number of Single Authored Papers99
Total Cites to Single Authored Papers239251
Number of Single+First Authored Papers2424
Total Cites to Single+First Authored Papers649697
Number of Single+First+Last Authored Papers4747
Total Cites to Single+First+Last Authored Papers1,2191,310
Composite Score33
Number of Distinct Citing Papers1,3311,441
Ratio of Total Citations to Distinct Citing Papers 1.15 1.18
Self-Citation Percentage
9.80%
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Kirchner, Gerald

Kirchner, Gerald

Universität Hamburg, Germany

2024 Rank: 226,327

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Earth & Environmental Sciences

SubField 1:

Environmental Sciences

SubField 2:

Nuclear Medicine & Medical Imaging

Rank in SubField 1: 1,826 out of 115,291 Researchers

Data For The Year: 2024
Metrics Self-Citations Excluded All
Rank Based on Composite Score226,327243,243
Total Cites1,4701,625
H-index2022
Hm-index1212
Number of Single Authored Papers99
Total Cites to Single Authored Papers228238
Number of Single+First Authored Papers2424
Total Cites to Single+First Authored Papers628674
Number of Single+First+Last Authored Papers4646
Total Cites to Single+First+Last Authored Papers1,1761,259
Composite Score33
Number of Distinct Citing Papers1,2771,382
Ratio of Total Citations to Distinct Citing Papers 1.15 1.18
Self-Citation Percentage
9.54%
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Kirchner, Gerald

Kirchner, Gerald

Universität Hamburg, Germany

2023 Rank: 214,870

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Earth & Environmental Sciences

SubField 1:

Environmental Sciences

SubField 2:

Nuclear Medicine & Medical Imaging

Rank in SubField 1: 1,550 out of 99,567 Researchers

Data For The Year: 2023
Metrics Self-Citations Excluded All
Rank Based on Composite Score214,870235,226
Total Cites1,4221,573
H-index2021
Hm-index1212
Number of Single Authored Papers99
Total Cites to Single Authored Papers221231
Number of Single+First Authored Papers2424
Total Cites to Single+First Authored Papers613659
Number of Single+First+Last Authored Papers4444
Total Cites to Single+First+Last Authored Papers1,1421,225
Composite Score33
Number of Distinct Citing Papers1,2301,332
Ratio of Total Citations to Distinct Citing Papers 1.16 1.18
Self-Citation Percentage
9.60%
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Kirchner, Gerald

Kirchner, Gerald

Universität Hamburg, Germany

2022 Rank: 209,394

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Earth & Environmental Sciences

SubField 1:

Environmental Sciences

SubField 2:

Nuclear Medicine & Medical Imaging

Rank in SubField 1: 1,396 out of 86,604 Researchers

Data For The Year: 2022
Metrics Self-Citations Excluded All
Rank Based on Composite Score209,394227,798
Total Cites1,3091,442
H-index1920
Hm-index1212
Number of Single Authored Papers99
Total Cites to Single Authored Papers209219
Number of Single+First Authored Papers2424
Total Cites to Single+First Authored Papers578623
Number of Single+First+Last Authored Papers4343
Total Cites to Single+First+Last Authored Papers1,0661,146
Composite Score33
Number of Distinct Citing Papers1,1361,222
Ratio of Total Citations to Distinct Citing Papers 1.15 1.18
Self-Citation Percentage
9.22%
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Kirchner, Gerald

Kirchner, Gerald

Universität Hamburg, Germany

2021 Rank: 204,014

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Earth & Environmental Sciences

SubField 1:

Environmental Sciences

SubField 2:

Nuclear Medicine & Medical Imaging

Rank in SubField 1: 1,355 out of 77,304 Researchers

Data For The Year: 2021
Metrics Self-Citations Excluded All
Rank Based on Composite Score204,014218,606
Total Cites1,2801,410
H-index1920
Hm-index1112
Number of Single Authored Papers99
Total Cites to Single Authored Papers203213
Number of Single+First Authored Papers2424
Total Cites to Single+First Authored Papers565610
Number of Single+First+Last Authored Papers4343
Total Cites to Single+First+Last Authored Papers1,0471,125
Composite Score33
Number of Distinct Citing Papers1,1131,198
Ratio of Total Citations to Distinct Citing Papers 1.15 1.18
Self-Citation Percentage
9.22%
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Kirchner, Gerald

Kirchner, Gerald

Universität Hamburg, Germany

2020 Rank: 196,099

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Earth & Environmental Sciences

SubField 1:

Environmental Sciences

SubField 2:

Nuclear Medicine & Medical Imaging

Rank in SubField 1: 1,264 out of 66,925 Researchers

Data For The Year: 2020
Metrics Self-Citations Excluded All
Rank Based on Composite Score196,099212,003
Total Cites1,1821,306
H-index1819
Hm-index1112
Number of Single Authored Papers88
Total Cites to Single Authored Papers187197
Number of Single+First Authored Papers2222
Total Cites to Single+First Authored Papers523567
Number of Single+First+Last Authored Papers4040
Total Cites to Single+First+Last Authored Papers9701,045
Composite Score33
Number of Distinct Citing Papers1,0241,104
Ratio of Total Citations to Distinct Citing Papers 1.15 1.18
Self-Citation Percentage
9.49%
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