Top 100 scientists can be ranked globally or specific to the following regions including Africa, Asia, Europe, North America, Latin America, Oceania, Arab League, ASEAN, EECA, and BRICS based on total H-index scores without any breakdown by subject areas. Top 100 rankings in the world, in a continent, or a region include standardized subjects areas of Agriculture & Forestry, Arts, Design and Architecture, Business & Management, Economics & Econometrics, Education, Engineering & Technology, History, Philosophy, Theology, Law/Law and Legal Studies, Medical and Health Sciences, Natural Sciences, Social Sciences, Art and Humanities Rankings and Social Sciences and Humanities Rankings BETA VERSION. Subject field ranking in world, region, country and university is beta version since subject field "others" (870,057 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded, so the ranking will change as the others fields are edited. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.
Conservation Biology
stable isotopes
Metrics
H-Index
i10 Index
Citation
124
577
62,289
Biology
Metrics
H-Index
i10 Index
Citation
59
202
10,878
Conservation Biology
Population Biology
Avian Demographics
Fisheries Stock Assessment
Metrics
H-Index
i10 Index
Citation
51
181
8,505
aquatic plants
nutrients
aquatic ecology
aquatic chemistry
Metrics
H-Index
i10 Index
Citation
51
102
9,653
applied climatology
climate extremes
hydroclimatology
downscaling
environmental data science
Metrics
H-Index
i10 Index
Citation
50
119
10,652
biology
Metrics
H-Index
i10 Index
Citation
46
107
7,483
Metrics
H-Index
i10 Index
Citation
44
95
5,555
Environmental toxicology
effects-directed analysis
environmental forensics
monitoring program design
Metrics
H-Index
i10 Index
Citation
43
104
6,347
climate variability and change
climate sensitivity and feedback
atmospheric circulation and teleconnection
monsoon meteorology
Metrics
H-Index
i10 Index
Citation
43
131
7,973
* Rankings
Ranking Based
On Selection: 10
Metrics
H-Index
i10 Index
Citation
43
83
5,273
* Rankings
Ranking Based
On Selection: 11
Atmospheric Aerosols
Air Pollution
Air Quality
Satellite Remote Sensing
Trace Gases
Metrics
H-Index
i10 Index
Citation
40
55
4,338
* Rankings
Ranking Based
On Selection: 12
physical oceanography
climate dynamics
ocean modelling
Metrics
H-Index
i10 Index
Citation
36
68
6,391
* Rankings
Ranking Based
On Selection: 13
Hydrology
Numerical modelling
Spatial statistics
Statistical post-processing
Metrics
H-Index
i10 Index
Citation
35
77
4,049
* Rankings
Ranking Based
On Selection: 14
atmosphere
greenhouse gases
emissions
high latitudes
Metrics
H-Index
i10 Index
Citation
34
54
4,920
* Rankings
Ranking Based
On Selection: 15
Oil fingerprinting
environmental forensics
environmental science
analytical chemistry
Metrics
H-Index
i10 Index
Citation
33
69
3,549
* Rankings
Ranking Based
On Selection: 16
Polar bear ecology and Arctic marine ecosystems
Metrics
H-Index
i10 Index
Citation
32
58
2,934
* Rankings
Ranking Based
On Selection: 17
Ocean Analysis
Ocean Forecasting
Sea ice Forecasting
Ensemble Forecasting
Metrics
H-Index
i10 Index
Citation
32
42
4,980
* Rankings
Ranking Based
On Selection: 18
Conservation biology
population ecology
birds
Metrics
H-Index
i10 Index
Citation
29
58
3,035
* Rankings
Ranking Based
On Selection: 19
Ecological Statistics
Landscape Ecology
Wildlife Population Monitoring
Metrics
H-Index
i10 Index
Citation
28
41
5,833
* Rankings
Ranking Based
On Selection: 20
Conservation biology
population ecology
game management
lagomorphs
predator-prey relationship
Metrics
H-Index
i10 Index
Citation
24
39
2,114
* Rankings
Ranking Based
On Selection: 21
aquatic bioassessment
biomonitoring
metabolomics
nutrients
stream ecology
Metrics
H-Index
i10 Index
Citation
23
37
1,442
* Rankings
Ranking Based
On Selection: 22
Meteorology
numerical weather prediction
atmospheric dispersion
inverse problems in geophysics
atmospheric chemistry
Metrics
H-Index
i10 Index
Citation
23
32
2,928
* Rankings
Ranking Based
On Selection: 23
Metrics
H-Index
i10 Index
Citation
22
36
1,554
* Rankings
Ranking Based
On Selection: 24
Snow
Remote Sensing
Field Methods
Cryosphere
Metrics
H-Index
i10 Index
Citation
21
23
1,295
* Rankings
Ranking Based
On Selection: 25
Air Quality
Analytical
physical and atmospheric chemistry
Metrics
H-Index
i10 Index
Citation
21
29
1,584
* Rankings
Ranking Based
On Selection: 26
SAR Missions
Satellites
Space
Remote Sensing
Metrics
H-Index
i10 Index
Citation
19
34
1,484
* Rankings
Ranking Based
On Selection: 27
Air Pollution
PAHs
PM2.5
Dust
Health Impacts
Metrics
H-Index
i10 Index
Citation
18
23
1,228
* Rankings
Ranking Based
On Selection: 28
contaminants
parasites
ecology
ecotoxicology
Metrics
H-Index
i10 Index
Citation
18
31
1,163
* Rankings
Ranking Based
On Selection: 29
Wildlife Ecology
Conservation
Species At Risk Recovery
Policy
Metrics
H-Index
i10 Index
Citation
17
23
3,144
* Rankings
Ranking Based
On Selection: 30
birds
aquatic food webs
stable isotopes
tracking
contaminants
Metrics
H-Index
i10 Index
Citation
16
18
1,837
* Rankings
Ranking Based
On Selection: 31
Atmospheric Sciences
Fluid Mechanics
Applied Statistics
Metrics
H-Index
i10 Index
Citation
16
23
857
* Rankings
Ranking Based
On Selection: 32
Atmospheric Chemistry
Satellite Remote Sensing
Molecular Astronomy
Molecular Spectroscopy
Metrics
H-Index
i10 Index
Citation
16
19
693
* Rankings
Ranking Based
On Selection: 33
Climate change and terrestrial carbon cycle
Metrics
H-Index
i10 Index
Citation
15
19
1,851
* Rankings
Ranking Based
On Selection: 34
North American Breeding Bird Survey
avian conservation
avian ecology
Metrics
H-Index
i10 Index
Citation
14
18
1,135
* Rankings
Ranking Based
On Selection: 35
Metrics
H-Index
i10 Index
Citation
14
17
467
* Rankings
Ranking Based
On Selection: 36
Water Balance
Contaminant Transport
Groundwater-Surface Water Interactions
Metrics
H-Index
i10 Index
Citation
13
18
805
* Rankings
Ranking Based
On Selection: 37
Remote Sensing
Aerosols
Climate Change
Metrics
H-Index
i10 Index
Citation
13
14
1,374
* Rankings
Ranking Based
On Selection: 38
Atmospheric Transport and Dispersion Modelling
Metrics
H-Index
i10 Index
Citation
13
15
961
* Rankings
Ranking Based
On Selection: 39
Remote Sensing
Geodesy
Meteorology
Metrics
H-Index
i10 Index
Citation
13
15
764
* Rankings
Ranking Based
On Selection: 40
Numerical Weather Prediction
High Resolution Forecasting
Land Surface Modelling
Computational Fluid Dynamics
Immersed Bounda
Metrics
H-Index
i10 Index
Citation
12
16
582
* Rankings
Ranking Based
On Selection: 41
Conservation
Climate change
Genomics
Adaptation
Evolutionary genetics
Metrics
H-Index
i10 Index
Citation
10
10
577
* Rankings
Ranking Based
On Selection: 42
Metrics
H-Index
i10 Index
Citation
10
10
294
* Rankings
Ranking Based
On Selection: 43
Metrics
H-Index
i10 Index
Citation
10
10
380
* Rankings
Ranking Based
On Selection: 44
Hurricanes
Climate
Turbulence
Weather Prediction
Atmospheric Dynamics
Metrics
H-Index
i10 Index
Citation
10
10
350
* Rankings
Ranking Based
On Selection: 45
sediment dynamics
microbial ecology
climate change
Metrics
H-Index
i10 Index
Citation
9
9
242
* Rankings
Ranking Based
On Selection: 46
Metrics
H-Index
i10 Index
Citation
9
9
358
* Rankings
Ranking Based
On Selection: 47
Fluid mechanics
radars
Numerical methods
Metrics
H-Index
i10 Index
Citation
9
9
360
* Rankings
Ranking Based
On Selection: 48
Ecology
Ornithology
Evolutionary Ecology
Conservation Biology
Natural History
Metrics
H-Index
i10 Index
Citation
8
7
128
* Rankings
Ranking Based
On Selection: 49
ornithology
bioacoustics
conservation
species-at-risk
Metrics
H-Index
i10 Index
Citation
8
6
383
* Rankings
Ranking Based
On Selection: 50
Atmosphere Ocean modelling
weather
climate change
storm surge and tides
Metrics
H-Index
i10 Index
Citation
7
7
286
* Rankings
Ranking Based
On Selection: 51
hydrology
hydrologic modelling
data assimilation
water resources engineering
Metrics
H-Index
i10 Index
Citation
7
7
238
* Rankings
Ranking Based
On Selection: 52
remote sensing
lidar
UAV
forest
wetland
Metrics
H-Index
i10 Index
Citation
7
7
168
* Rankings
Ranking Based
On Selection: 53
Conservation Biology
Ecology
Ornithology
Species at Risk
Metrics
H-Index
i10 Index
Citation
7
6
360
* Rankings
Ranking Based
On Selection: 54
Environmental Policy
Energy Policy
Land & Food Systems
Evaluation
Cost-benefit analysis
Metrics
H-Index
i10 Index
Citation
6
4
322
* Rankings
Ranking Based
On Selection: 55
wildlife management
waterfowl
Metrics
H-Index
i10 Index
Citation
6
3
98
* Rankings
Ranking Based
On Selection: 56
Environmental microbiology
Metrics
H-Index
i10 Index
Citation
5
5
907
* Rankings
Ranking Based
On Selection: 57
atmospheric sciences
Metrics
H-Index
i10 Index
Citation
5
4
285
* Rankings
Ranking Based
On Selection: 58
Clouds and precipitation microphysics
Metrics
H-Index
i10 Index
Citation
5
4
115
* Rankings
Ranking Based
On Selection: 59
Physical limnology
lake modelling
harmful algal bloom
nutrient and sediment transport
Metrics
H-Index
i10 Index
Citation
5
4
85
* Rankings
Ranking Based
On Selection: 60
Numerical Weather Prediction
Fluid dynamics
Mathematical modeling
Hydrodynamic Stability
CFD
Metrics
H-Index
i10 Index
Citation
5
2
71
* Rankings
Ranking Based
On Selection: 61
wetlands
conservation & restoration
environmental change
paleoecology
biogeochemistry
Metrics
H-Index
i10 Index
Citation
5
4
103
* Rankings
Ranking Based
On Selection: 62
Metrics
H-Index
i10 Index
Citation
5
4
374
* Rankings
Ranking Based
On Selection: 63
Marine ecology
Metals in the environment
Metrics
H-Index
i10 Index
Citation
5
4
185
* Rankings
Ranking Based
On Selection: 64
waterfowl biology
habitat ecology
wildlife management
Metrics
H-Index
i10 Index
Citation
5
4
124
* Rankings
Ranking Based
On Selection: 65
nest survival
grassland birds
abundance
nest placement
bird banding
Metrics
H-Index
i10 Index
Citation
4
4
188
* Rankings
Ranking Based
On Selection: 66
Analytical Chemistry
Mass Spectrometry
Atmospheric Chemistry
Sample Preparation
Green Chemistry
Metrics
H-Index
i10 Index
Citation
4
4
156
* Rankings
Ranking Based
On Selection: 67
genomics
database
Metrics
H-Index
i10 Index
Citation
4
2
82
* Rankings
Ranking Based
On Selection: 68
Atmospheric Physics
Numerical Methods
Computational Physics
Large Eddy Simulation
Biophysics
Metrics
H-Index
i10 Index
Citation
4
2
46
* Rankings
Ranking Based
On Selection: 69
Ensemble data assimilation
Atmospheric dynamics
Stratospheric chemistry
Regional assimilation
Metrics
H-Index
i10 Index
Citation
4
4
116
* Rankings
Ranking Based
On Selection: 70
Indigenous Rights
Indigenous Science
Climate Change
Land Access
Reciprocal Restoration
Metrics
H-Index
i10 Index
Citation
3
1
25
Keith A Hobson
Environment Canada
Ottawa, Canada
Metrics
H-Index
i10 Index
Citation Counts
124
577
62,289
Conservation Biology
stable isotopes
Grant Gilchrist
Environment Canada
Ottawa, Canada
Metrics
H-Index
i10 Index
Citation Counts
59
202
10,878
Gregory J Robertson
Environment Canada
Ottawa, Canada
Metrics
H-Index
i10 Index
Citation Counts
51
181
8,505
Conservation Biology
Population Biology
Avian Demographics
Fisheries Stock Assessment
Patricia Chambers
Environment Canada
Ottawa, Canada
Metrics
H-Index
i10 Index
Citation Counts
51
102
9,653
aquatic plants
nutrients
aquatic ecology
aquatic chemistry
Alex J Cannon
Environment Canada
Ottawa, Canada
Metrics
H-Index
i10 Index
Citation Counts
50
119
10,652
applied climatology
climate extremes
hydroclimatology
downscaling
environmental data science
Christine A Bishop
Environment Canada
Ottawa, Canada
Metrics
H-Index
i10 Index
Citation Counts
46
107
7,483
Christopher Spence
Environment Canada
Ottawa, Canada
Metrics
H-Index
i10 Index
Citation Counts
44
95
5,555
L Mark Hewitt
Environment Canada
Ottawa, Canada
Metrics
H-Index
i10 Index
Citation Counts
43
104
6,347
Environmental toxicology
effects-directed analysis
environmental forensics
monitoring program design
climate variability and change
climate sensitivity and feedback
atmospheric circulation and teleconnection
monsoon meteorology
Shailesh Kharol
Environment Canada
Ottawa, Canada
Metrics
H-Index
i10 Index
Citation Counts
40
55
4,338
Atmospheric Aerosols
Air Pollution
Air Quality
Satellite Remote Sensing
Trace Gases
physical oceanography
climate dynamics
ocean modelling
Vincent Fortin
Environment Canada
Ottawa, Canada
Metrics
H-Index
i10 Index
Citation Counts
35
77
4,049
Hydrology
Numerical modelling
Spatial statistics
Statistical post-processing
atmosphere
greenhouse gases
emissions
high latitudes
Oil fingerprinting
environmental forensics
environmental science
analytical chemistry
Evan Richardson
Environment Canada
Ottawa, Canada
Metrics
H-Index
i10 Index
Citation Counts
32
58
2,934
Polar bear ecology and Arctic marine ecosystems
K Andrew Peterson
Environment Canada
Ottawa, Canada
Metrics
H-Index
i10 Index
Citation Counts
32
42
4,980
Ocean Analysis
Ocean Forecasting
Sea ice Forecasting
Ensemble Forecasting
Mark C Drever
Environment Canada
Ottawa, Canada
Metrics
H-Index
i10 Index
Citation Counts
29
58
3,035
Conservation biology
population ecology
birds
Adam C Smith
Environment Canada
Ottawa, Canada
Metrics
H-Index
i10 Index
Citation Counts
28
41
5,833
Ecological Statistics
Landscape Ecology
Wildlife Population Monitoring
Catarina C Ferreira
Environment Canada
Ottawa, Canada
Metrics
H-Index
i10 Index
Citation Counts
24
39
2,114
Conservation biology
population ecology
game management
lagomorphs
predator-prey relationship
Robert B Brua
Environment Canada
Ottawa, Canada
Metrics
H-Index
i10 Index
Citation Counts
23
37
1,442
aquatic bioassessment
biomonitoring
metabolomics
nutrients
stream ecology
Pudykiewicz Janusz
Environment Canada
Ottawa, Canada
Metrics
H-Index
i10 Index
Citation Counts
23
32
2,928
Meteorology
numerical weather prediction
atmospheric dispersion
inverse problems in geophysics
atmospheric chemistry
Samuel A Iverson
Environment Canada
Ottawa, Canada
Metrics
H-Index
i10 Index
Citation Counts
22
36
1,554
Snow
Remote Sensing
Field Methods
Cryosphere
Samar G Moussa
Environment Canada
Ottawa, Canada
Metrics
H-Index
i10 Index
Citation Counts
21
29
1,584
Air Quality
Analytical
physical and atmospheric chemistry
M Dabboor|Mohammed Dabboor, M. Daboor, Mohammed Daboor
Environment Canada
Ottawa, Canada
Metrics
H-Index
i10 Index
Citation Counts
19
34
1,484
Air Pollution
PAHs
PM2.5
Dust
Health Impacts
Stacey A Robinson
Environment Canada
Ottawa, Canada
Metrics
H-Index
i10 Index
Citation Counts
18
31
1,163
contaminants
parasites
ecology
ecotoxicology
Robin Steenweg
Environment Canada
Ottawa, Canada
Metrics
H-Index
i10 Index
Citation Counts
17
23
3,144
Wildlife Ecology
Conservation
Species At Risk Recovery
Policy
Raphaël A Lavoie
Environment Canada
Ottawa, Canada
Metrics
H-Index
i10 Index
Citation Counts
16
18
1,837
birds
aquatic food webs
stable isotopes
tracking
contaminants
Atmospheric Sciences
Fluid Mechanics
Applied Statistics
Keith Tereszchuk
Environment Canada
Ottawa, Canada
Metrics
H-Index
i10 Index
Citation Counts
16
19
693
Atmospheric Chemistry
Satellite Remote Sensing
Molecular Astronomy
Molecular Spectroscopy
Christian Seiler
Environment Canada
Ottawa, Canada
Metrics
H-Index
i10 Index
Citation Counts
15
19
1,851
Climate change and terrestrial carbon cycle
Marie-Anne Hudson
Environment Canada
Ottawa, Canada
Metrics
H-Index
i10 Index
Citation Counts
14
18
1,135
North American Breeding Bird Survey
avian conservation
avian ecology
Scott A Flemming
Environment Canada
Ottawa, Canada
Metrics
H-Index
i10 Index
Citation Counts
14
17
467
Serban Danielescu
Environment Canada
Ottawa, Canada
Metrics
H-Index
i10 Index
Citation Counts
13
18
805
Water Balance
Contaminant Transport
Groundwater-Surface Water Interactions
Elizaveta Malinina
Environment Canada
Ottawa, Canada
Metrics
H-Index
i10 Index
Citation Counts
13
14
1,374
Remote Sensing
Aerosols
Climate Change
Atmospheric Transport and Dispersion Modelling
Josep Maria Aparicio
Environment Canada
Ottawa, Canada
Metrics
H-Index
i10 Index
Citation Counts
13
15
764
Remote Sensing
Geodesy
Meteorology
Syed Zahid Husain
Environment Canada
Ottawa, Canada
Metrics
H-Index
i10 Index
Citation Counts
12
16
582
Numerical Weather Prediction
High Resolution Forecasting
Land Surface Modelling
Computational Fluid Dynamics
Immersed Bounda
Rebecca Taylor
Environment Canada
Ottawa, Canada
Metrics
H-Index
i10 Index
Citation Counts
10
10
577
Conservation
Climate change
Genomics
Adaptation
Evolutionary genetics
Konstantinos Menelaou
Environment Canada
Ottawa, Canada
Metrics
H-Index
i10 Index
Citation Counts
10
10
294
Yosvany Martinez
Environment Canada
Ottawa, Canada
Metrics
H-Index
i10 Index
Citation Counts
10
10
350
Hurricanes
Climate
Turbulence
Weather Prediction
Atmospheric Dynamics
sediment dynamics
microbial ecology
climate change
Fluid mechanics
radars
Numerical methods
Jillian D Wettlaufer
Environment Canada
Ottawa, Canada
Metrics
H-Index
i10 Index
Citation Counts
8
7
128
Ecology
Ornithology
Evolutionary Ecology
Conservation Biology
Natural History
ornithology
bioacoustics
conservation
species-at-risk
Atmosphere Ocean modelling
weather
climate change
storm surge and tides
hydrology
hydrologic modelling
data assimilation
water resources engineering
Michelle Filiatrault
Environment Canada
Ottawa, Canada
Metrics
H-Index
i10 Index
Citation Counts
7
7
168
remote sensing
lidar
UAV
forest
wetland
Paulson Des Brisay
Environment Canada
Ottawa, Canada
Metrics
H-Index
i10 Index
Citation Counts
7
6
360
Conservation Biology
Ecology
Ornithology
Species at Risk
Scott Mcfatridge
Environment Canada
Ottawa, Canada
Metrics
H-Index
i10 Index
Citation Counts
6
4
322
Environmental Policy
Energy Policy
Land & Food Systems
Evaluation
Cost-benefit analysis
Christopher M Sharp
Environment Canada
Ottawa, Canada
Metrics
H-Index
i10 Index
Citation Counts
6
3
98
wildlife management
waterfowl
Environmental microbiology
Melissa Cholette
Environment Canada
Ottawa, Canada
Metrics
H-Index
i10 Index
Citation Counts
5
4
115
Clouds and precipitation microphysics
Physical limnology
lake modelling
harmful algal bloom
nutrient and sediment transport
Numerical Weather Prediction
Fluid dynamics
Mathematical modeling
Hydrodynamic Stability
CFD
wetlands
conservation & restoration
environmental change
paleoecology
biogeochemistry
Christine Mcclelland
Environment Canada
Ottawa, Canada
Metrics
H-Index
i10 Index
Citation Counts
5
4
185
Marine ecology
Metals in the environment
waterfowl biology
habitat ecology
wildlife management
nest survival
grassland birds
abundance
nest placement
bird banding
Alex Kasperkiewicz
Environment Canada
Ottawa, Canada
Metrics
H-Index
i10 Index
Citation Counts
4
4
156
Analytical Chemistry
Mass Spectrometry
Atmospheric Chemistry
Sample Preparation
Green Chemistry
Sonesinh Keobouasone
Environment Canada
Ottawa, Canada
Metrics
H-Index
i10 Index
Citation Counts
4
2
82
Atmospheric Physics
Numerical Methods
Computational Physics
Large Eddy Simulation
Biophysics
Ensemble data assimilation
Atmospheric dynamics
Stratospheric chemistry
Regional assimilation
José Arias-Bustamante
Environment Canada
Ottawa, Canada
Metrics
H-Index
i10 Index
Citation Counts
3
1
25
Indigenous Rights
Indigenous Science
Climate Change
Land Access
Reciprocal Restoration