H-Index
Rankings
North America 3,176 Scientists H-Index Engineering & Technology / Marine Sciences and Engineering Rankings - 2025
On AD Scientific Index, you can explore the individual achievements of scientists in detail and evaluate their academic productivity based on total and recent H-index, i10 index, and citation counts. With Premium Membership, gain access to extended analyses and detailed data to assess and enhance your academic performance more effectively.
* Total H Index Rankings
Ranking Based
On Selection: 1
Biological Oceanography
nutrients
phytoplankton
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
173
88
0.509
* Total H Index Rankings
Ranking Based
On Selection: 2
microbiology
oceanography
earth sciences
biogeochemistry
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
137
63
0.460
* Total H Index Rankings
Ranking Based
On Selection: 3
Climate change
climate variability
climate modeling
ocean-atmospheric dynamics
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
127
84
0.661
* Total H Index Rankings
Ranking Based
On Selection: 4
Physical Chemistry of Natural Waters
Chemical Oceanography
Marine Chemistry
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
123
60
0.488
* Total H Index Rankings
Ranking Based
On Selection: 5
Environment
Climate Change
Ecology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
119
63
0.529
* Total H Index Rankings
Ranking Based
On Selection: 6
Marine ecology
conservation biology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
118
91
0.771
* Total H Index Rankings
Ranking Based
On Selection: 7
harmful algal blooms
HABs
marine biotoxins
toxins
red tides
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
118
51
0.432
* Total H Index Rankings
Ranking Based
On Selection: 8
Chemical Oceanographer Carbon Cycle Ocean Acidiification
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
117
71
0.607
* Total H Index Rankings
Ranking Based
On Selection: 9
Marine Benthic Ecology
Biodiversity
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
116
64
0.552
* Total H Index Rankings
Ranking Based
On Selection: 10
microbiology
marine microbiology
microbial genomics
metagenomics
microbial ecology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
115
63
0.548
* Total H Index Rankings
Ranking Based
On Selection: 11
marine conservation
coral reefs
small scale fisheries
social ecological systems
climate change
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
115
59
0.513
* Total H Index Rankings
Ranking Based
On Selection: 12
Biological oceanography
Marine microbiology
Microbial ecology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
114
60
0.526
* Total H Index Rankings
Ranking Based
On Selection: 13
Atmospheric chemistry
aerosols
climate
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
113
50
0.442
* Total H Index Rankings
Ranking Based
On Selection: 14
Oceanography
Climate
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
112
62
0.554
* Total H Index Rankings
Ranking Based
On Selection: 15
Oceanography
Microbiology
Ecology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
112
62
0.554
* Total H Index Rankings
Ranking Based
On Selection: 16
biogeochemistry
geobiology
astrobiology
paleoceanography
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
109
74
0.679
* Total H Index Rankings
Ranking Based
On Selection: 17
Bioactive marine natural products
marine algae and cyanobacteria
biosynthesis
genomics and microbial interactions
chemical e
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
107
54
0.505
* Total H Index Rankings
Ranking Based
On Selection: 18
Oceanography
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
106
52
0.491
* Total H Index Rankings
Ranking Based
On Selection: 19
Marine microbiology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
104
46
0.442
* Total H Index Rankings
Ranking Based
On Selection: 20
microbial ecology
microbial oceanography
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
104
39
0.375
* Total H Index Rankings
Ranking Based
On Selection: 21
climate
biogeochemical cycles
energy / environment
ocean acidification
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
103
61
0.592
* Total H Index Rankings
Ranking Based
On Selection: 22
Global Change
Marine biodiversity
Fisheries
Conservation Biology
Climate Change
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
102
87
0.853
* Total H Index Rankings
Ranking Based
On Selection: 23
Oceanography
Marine Science
Biogeochemistry
Remote Sensing
Spatial Ecology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
102
56
0.549
* Total H Index Rankings
Ranking Based
On Selection: 24
Geosciences
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
102
38
0.373
* Total H Index Rankings
Ranking Based
On Selection: 25
Paleoceanography
Paleoclimatology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
101
58
0.574
Paul J Harrison
University of British Columbia
Vancouver, Canada
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
173
88
0.509
Biological Oceanography
nutrients
phytoplankton
David Karl
University of Hawaii System
Honolulu, United States
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
137
63
0.460
microbiology
oceanography
earth sciences
biogeochemistry
Shang Ping Xie
University of California San Diego
San Diego, United States
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
127
84
0.661
Climate change
climate variability
climate modeling
ocean-atmospheric dynamics
Frank Millero
University of Miami
Coral Gables, United States
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
123
60
0.488
Physical Chemistry of Natural Waters
Chemical Oceanography
Marine Chemistry
Veerabhadran Ramanathan
University of California San Diego
San Diego, United States
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
119
63
0.529
Environment
Climate Change
Ecology
Benjamin S Halpern
University of California Santa Barbara
Santa Barbara, United States
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
118
91
0.771
Marine ecology
conservation biology
Donald M Anderson
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
118
51
0.432
harmful algal blooms
HABs
marine biotoxins
toxins
red tides
Richard Feely
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
117
71
0.607
Chemical Oceanographer Carbon Cycle Ocean Acidiification
Lisa Levin
University of California San Diego
San Diego, United States
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
116
64
0.552
Marine Benthic Ecology
Biodiversity
Edward Francis Delong
University of Hawaii System
Honolulu, United States
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
115
63
0.548
microbiology
marine microbiology
microbial genomics
metagenomics
microbial ecology
Tim Mcclanahan
Wildlife Conservation Society
New York, United States
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
115
59
0.513
marine conservation
coral reefs
small scale fisheries
social ecological systems
climate change
Jed A Fuhrman
University of Southern California
Los Angeles, United States
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
114
60
0.526
Biological oceanography
Marine microbiology
Microbial ecology
Joseph M Prospero
University of Miami
Coral Gables, United States
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
113
50
0.442
Atmospheric chemistry
aerosols
climate
Michael J Mcphaden
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
112
62
0.554
Oceanography
Climate
Sallie W Chisholm
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
112
62
0.554
Oceanography
Microbiology
Ecology
Timothy W Lyons
University of California Riverside
Riverside, United States
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
109
74
0.679
biogeochemistry
geobiology
astrobiology
paleoceanography
William Gerwick
University of California San Diego
San Diego, United States
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
107
54
0.505
Bioactive marine natural products
marine algae and cyanobacteria
biosynthesis
genomics and microbial interactions
chemical e
FP Chavez
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
106
52
0.491
Farooq Azam
University of California San Diego
San Diego, United States
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
104
46
0.442
David Kirchman
University of Delaware
Newark, United States
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
104
39
0.375
microbial ecology
microbial oceanography
Ken Caldeira
Carnegie Institution for Science
Washington, United States
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
103
61
0.592
climate
biogeochemical cycles
energy / environment
ocean acidification
William Cheung
University of British Columbia
Vancouver, Canada
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
102
87
0.853
Global Change
Marine biodiversity
Fisheries
Conservation Biology
Climate Change
David A Siegel
University of California Santa Barbara
Santa Barbara, United States
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
102
56
0.549
Oceanography
Marine Science
Biogeochemistry
Remote Sensing
Spatial Ecology
Stanley R Hart
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
102
38
0.373
James Zachos
University of California Santa Cruz
Santa Cruz, United States
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
101
58
0.574
Paleoceanography
Paleoclimatology