Citation Rankings (Highly Cited Researchers) 2024 and list of influential and most cited researchers in Agriculture and Forestry, Architecture and Design, Business and Management, Economics and Econometrics, Education, Engineering and Technology, History, Philosophy, Theology, Law, Medicine and Health Sciences, Natural Sciences and Social Sciences and their 256 sub-branches is a unique service offered only by “AD Scientific Index”. You can see the most cited and influential researchers in the country and region. See also for more specific citation analyses: "last 6 years citation index" Universities Rankings 2024 (Sort by: Total Citations) and Universities Rankings 2024 (Sort by : Last 6 Years Citations)
![Detlef Stammer](https://cdn.adscientificindex.com/pictures/8a/1784133.jpg)
Physical oceanography and climate research
remote sensing
data assimilation
climate modeling.
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,237
8,180
0.404
* Last 6 Years Citation Counts Rankings
![Armin Köhl](https://cdn.adscientificindex.com/pictures/82/1784197.jpg)
Physical Oceanography
Climate Change
Ocean Modelling
Data Assimilation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,263
2,976
0.475
* Last 6 Years Citation Counts Rankings
![Gerhard Schmiedl](https://cdn.adscientificindex.com/pictures/7d/1784185.jpg)
Micropaleontology
Paleoceanography
Paleoclimatology
Geology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,732
2,947
0.381
![Sören Ehlers](https://cdn.adscientificindex.com/pictures/41/1780765.jpg)
Ship Structures
Extreme Conditions
Experiments
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,209
2,674
0.635
* Last 6 Years Citation Counts Rankings
![Sebastian Zubrzycki](https://cdn.adscientificindex.com/pictures/d9/1784330.jpg)
Arctic
Permafrost
Carbon
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,295
1,518
0.661
* Last 6 Years Citation Counts Rankings
![C Elisa Schaum](/user/assets/images/profile/no-profile-photo.png)
Experimental evolution
marine microorganisms
marine viruses phenotypic plasticity
tea
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,426
1,133
0.795
* Last 6 Years Citation Counts Rankings
![Rolf Koppelmann](https://cdn.adscientificindex.com/pictures/25/1784326.jpg)
Marine Science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,948
919
0.472
* Last 6 Years Citation Counts Rankings
![Zaki Sharawy](https://cdn.adscientificindex.com/pictures/65/4451711.jpg)
Sustainable Fisheries & Aquaculture
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
943
870
0.923
* Last 6 Years Citation Counts Rankings
![Nuno Serra](https://cdn.adscientificindex.com/pictures/7c/1784299.jpg)
Physical Oceanography
Meteorology
Ocean Modelling
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,288
828
0.362
* Last 6 Years Citation Counts Rankings
![Nils Brüggemann](/user/assets/images/profile/no-profile-photo.png)
Oceanography
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
759
719
0.947
* Last 6 Years Citation Counts Rankings
![Aleksandar-Saša Milaković](https://cdn.adscientificindex.com/pictures/56/4565169.jpg)
Marine structures
Ship design
Artificial Intelligence
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
374
346
0.925
* Last 6 Years Citation Counts Rankings
![Xochitl Cormon](https://cdn.adscientificindex.com/pictures/d8/4583629.jpg)
marine ecology
population dynamics
climate change
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
408
313
0.767
* Last 6 Years Citation Counts Rankings
![Daniel A Duecker](https://cdn.adscientificindex.com/pictures/4e/4568521.jpg)
Field robotics
Marine robotics
Monitoring and Exploration
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
291
279
0.959
* Last 6 Years Citation Counts Rankings
![Fabian Beermann](https://cdn.adscientificindex.com/pictures/03/4569962.jpg)
Arctic Ecosystems
Ecological Stoichiomtry
Nutrient limitation
Elemental cycles
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
208
113
0.543
* Last 6 Years Citation Counts Rankings
![Robert Boschi](/user/assets/images/profile/no-profile-photo.png)
Climate
Atmosphere
Ocean
Physics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
157
94
0.599
* Last 6 Years Citation Counts Rankings
![Julia Draeger-Dietel](https://cdn.adscientificindex.com/pictures/14/4563942.jpg)
Physical Oceanography
Statistical Physics
Anomalous Diffusion
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
288
69
0.240
* Last 6 Years Citation Counts Rankings
![Frane Madiraca](/user/assets/images/profile/no-profile-photo.png)
Marine ecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
64
37
0.578
* Last 6 Years Citation Counts Rankings
![Thejus Mahajan](https://cdn.adscientificindex.com/pictures/9b/5468529.jpg)
Marine Ecosystem Modeling
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25
22
0.880
* Last 6 Years Citation Counts Rankings
![Daniel Thewes](/user/assets/images/profile/no-profile-photo.png)
Oceanography
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20
20
1.000
* Last 6 Years Citation Counts Rankings
![Carla Pein](/user/assets/images/profile/no-profile-photo.png)
Marine Biology
Evolutionary Biology
Ecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6
6
1.000
* Last 6 Years Citation Counts Rankings
![Chathurika H Wickramage](https://cdn.adscientificindex.com/pictures/5e/5681103.jpg)
Physical Oceanography
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5
5
1.000
Detlef Stammer
Universität Hamburg
Hamburg, Germany
![Germany](/flags/de.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,237
8,180
0.404
Physical oceanography and climate research
remote sensing
data assimilation
climate modeling.
Armin Köhl
Universität Hamburg
Hamburg, Germany
![Germany](/flags/de.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,263
2,976
0.475
Physical Oceanography
Climate Change
Ocean Modelling
Data Assimilation
Gerhard Schmiedl
Universität Hamburg
Hamburg, Germany
![Germany](/flags/de.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,732
2,947
0.381
Micropaleontology
Paleoceanography
Paleoclimatology
Geology
Sören Ehlers
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,209
2,674
0.635
Ship Structures
Extreme Conditions
Experiments
Sebastian Zubrzycki
Universität Hamburg
Hamburg, Germany
![Germany](/flags/de.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,295
1,518
0.661
Arctic
Permafrost
Carbon
C Elisa Schaum
Universität Hamburg
Hamburg, Germany
![Germany](/flags/de.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,426
1,133
0.795
Experimental evolution
marine microorganisms
marine viruses phenotypic plasticity
tea
Rolf Koppelmann
Universität Hamburg
Hamburg, Germany
![Germany](/flags/de.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,948
919
0.472
Zaki Sharawy
Universität Hamburg
Hamburg, Germany
![Germany](/flags/de.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
943
870
0.923
Sustainable Fisheries & Aquaculture
Nuno Serra
Universität Hamburg
Hamburg, Germany
![Germany](/flags/de.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,288
828
0.362
Physical Oceanography
Meteorology
Ocean Modelling
Nils Brüggemann
Universität Hamburg
Hamburg, Germany
![Germany](/flags/de.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
759
719
0.947
Aleksandar-Saša Milaković
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
374
346
0.925
Marine structures
Ship design
Artificial Intelligence
Xochitl Cormon
Universität Hamburg
Hamburg, Germany
![Germany](/flags/de.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
408
313
0.767
marine ecology
population dynamics
climate change
Daniel A Duecker
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
291
279
0.959
Field robotics
Marine robotics
Monitoring and Exploration
Fabian Beermann
Universität Hamburg
Hamburg, Germany
![Germany](/flags/de.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
208
113
0.543
Arctic Ecosystems
Ecological Stoichiomtry
Nutrient limitation
Elemental cycles
Robert Boschi
Universität Hamburg
Hamburg, Germany
![Germany](/flags/de.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
157
94
0.599
Climate
Atmosphere
Ocean
Physics
Julia Draeger-Dietel
Universität Hamburg
Hamburg, Germany
![Germany](/flags/de.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
288
69
0.240
Physical Oceanography
Statistical Physics
Anomalous Diffusion
Frane Madiraca
Universität Hamburg
Hamburg, Germany
![Germany](/flags/de.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
64
37
0.578
Thejus Mahajan
Universität Hamburg
Hamburg, Germany
![Germany](/flags/de.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25
22
0.880
Marine Ecosystem Modeling
Daniel Thewes
Universität Hamburg
Hamburg, Germany
![Germany](/flags/de.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20
20
1.000
Carla Pein
Universität Hamburg
Hamburg, Germany
![Germany](/flags/de.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6
6
1.000
Marine Biology
Evolutionary Biology
Ecology
Chathurika H Wickramage
Universität Hamburg
Hamburg, Germany
![Germany](/flags/de.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5
5
1.000
Physical Oceanography