Citation Rankings
Highly Cited Researchers
World Highly Cited Researchers CitationNatural Sciences / Geography Rankings 2025
The Citation Rankings (Highly Cited Researchers) highlight the most cited and influential researchers across a vast range of scientific fields, covering 197 main and sub-disciplines, including the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings. This service, offered exclusively by AD Scientific Index, aims to provide a balanced perspective by excluding data from CERN and other statistical sources that disproportionately favor certain researchers, particularly in the social sciences and humanities. This unique approach addresses the advantages researchers with multi-author publications and CERN involvement hold over others. Furthermore, citation rankings help uncover rule violations and unethical practices within the research community. For more detailed citation analyses, explore the Scientists Last 6 Years Citation Index, Universities Total Citations Rankings 2025, and Universities Last 6 Years Citations Rankings 2025.
* Total Citation Counts Rankings
Ranking Based On Selection :276
Agent-based modeling
GIscience
Urban Geography
Computational Social Science
Geocomputation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,168
5,851
0.575
* Total Citation Counts Rankings
Ranking Based On Selection :277
GIS
remote sensing
geomorphometry
GEOBIA
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,990
4,827
0.483
* Total Citation Counts Rankings
Ranking Based On Selection :278
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,982
5,066
0.508
* Total Citation Counts Rankings
Ranking Based On Selection :279
Climatology
Human Dimensions of Global Change
Natural Hazards
Land Science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,980
2,795
0.280
* Total Citation Counts Rankings
Ranking Based On Selection :280
Remote sensing in hydrology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,946
3,290
0.331
* Total Citation Counts Rankings
Ranking Based On Selection :281
Amazon
Economics
Environment
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,912
2,864
0.289
* Total Citation Counts Rankings
Ranking Based On Selection :282
GIScience
GeoAI
Spatial Data Science
Human Mobility
Social Sensing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,894
8,258
0.835
* Total Citation Counts Rankings
Ranking Based On Selection :283
Climatology
meteorology
regional climate modelling
land-atmosphere interactions
climate scenarios
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,844
6,268
0.637
* Total Citation Counts Rankings
Ranking Based On Selection :284
Geography
Natural Resource Management
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,835
4,510
0.459
* Total Citation Counts Rankings
Ranking Based On Selection :285
Development theory
development-environment policy
development-environment practice
cities and urbanisation
cities and climat
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,821
3,246
0.331
* Total Citation Counts Rankings
Ranking Based On Selection :286
Environmental politics
political economy
political ecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,805
3,701
0.377
* Total Citation Counts Rankings
Ranking Based On Selection :287
Global change ecology
vegetation remote sensing
climate change
phenology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,733
8,143
0.837
* Total Citation Counts Rankings
Ranking Based On Selection :288
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,728
4,174
0.429
* Total Citation Counts Rankings
Ranking Based On Selection :289
Glaciology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,700
5,231
0.539
* Total Citation Counts Rankings
Ranking Based On Selection :290
Geosciences
geology
petrology
geochemistry
economic geology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,691
4,266
0.440
* Total Citation Counts Rankings
Ranking Based On Selection :291
Palaeoecology
conservation biology
peatlands
Quaternary science
pollen analysis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,684
3,275
0.338
* Total Citation Counts Rankings
Ranking Based On Selection :292
fluvial sediment transport
channel morphology
arid lands geomorphology
urban hydrology and urban streams
scaling relations
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,656
3,721
0.385
* Total Citation Counts Rankings
Ranking Based On Selection :293
Geomorfologia
Erosão dos Solos
Movimentos de Massa
Geoturismo
Geodiversidade
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,640
3,175
0.329
* Total Citation Counts Rankings
Ranking Based On Selection :294
Geomorphology
Hydrology
Rivers
Erosion
Landscape Evolution
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,625
3,910
0.406
* Total Citation Counts Rankings
Ranking Based On Selection :295
Population Geography
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,574
2,180
0.228
* Total Citation Counts Rankings
Ranking Based On Selection :296
Geography
environment
place
memory
Environmental Humanities
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,547
3,920
0.411
* Total Citation Counts Rankings
Ranking Based On Selection :297
geografía
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,542
3,456
0.362
* Total Citation Counts Rankings
Ranking Based On Selection :298
Urban Modeling
Urban Sustainability
Urban Informatics
Coupled Human and Nature Dynamis
Geographic Information Science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,534
3,465
0.363
* Total Citation Counts Rankings
Ranking Based On Selection :299
Geo-information science
SDI
Spatial Data infrastructures
spatial thinking
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,507
3,927
0.413
* Total Citation Counts Rankings
Ranking Based On Selection :300
Climate Change
Snow
Glaciers
Mountains
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,482
4,699
0.496
* Total Citation Counts Rankings
Rankings
96,307
38,433
116
Ranking Based On Selection: 276
Andrew Thomas Crooks
University at Buffalo
Buffalo, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,168
5,851
0.575
Agent-based modeling
GIscience
Urban Geography
Computational Social Science
Geocomputation
* Total Citation Counts Rankings
Rankings
98,259
361
54
Ranking Based On Selection: 277
Adriaan Van Niekerk
Stellenbosch University
Stellenbosch, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,990
4,827
0.483
* Total Citation Counts Rankings
Rankings
98,343
39,145
376
Ranking Based On Selection: 278
Michelle Hofton
University of Maryland
College Park, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,982
5,066
0.508
* Total Citation Counts Rankings
Rankings
98,367
39,155
421
Ranking Based On Selection: 279
Brent Yarnal
Pennsylvania State University
University Park, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,980
2,795
0.280
Climatology
Human Dimensions of Global Change
Natural Hazards
Land Science
* Total Citation Counts Rankings
Rankings
98,741
8,195
50
Ranking Based On Selection: 280
David Mason
University of Reading
Reading, United Kingdom
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,946
3,290
0.331
* Total Citation Counts Rankings
Rankings
99,138
39,431
389
Ranking Based On Selection: 281
Robert T Walker
University of Florida
Gainesville, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,912
2,864
0.289
* Total Citation Counts Rankings
Rankings
99,324
39,502
477
Ranking Based On Selection: 282
Song Gao
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,894
8,258
0.835
GIScience
GeoAI
Spatial Data Science
Human Mobility
Social Sensing
* Total Citation Counts Rankings
Rankings
99,914
951
272
Ranking Based On Selection: 283
Nicole Van Lipzig
Catholic University of Leuven
Leuven, Belgium
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,844
6,268
0.637
Climatology
meteorology
regional climate modelling
land-atmosphere interactions
climate scenarios
* Total Citation Counts Rankings
Rankings
100,030
1,672
144
Ranking Based On Selection: 284
Hans Hurni
Universität Bern
Bern, Switzerland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,835
4,510
0.459
* Total Citation Counts Rankings
Rankings
100,181
8,310
41
Ranking Based On Selection: 285
David Simon
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,821
3,246
0.331
Development theory
development-environment policy
development-environment practice
cities and urbanisation
cities and climat
* Total Citation Counts Rankings
Rankings
100,369
39,877
15
Ranking Based On Selection: 286
James Mccarthy
Clark University
Worcester, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,805
3,701
0.377
Environmental politics
political economy
political ecology
* Total Citation Counts Rankings
Rankings
101,180
4,204
40
Ranking Based On Selection: 287
Miaogen Shen
Beijing Normal University
Beijing, China
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,733
8,143
0.837
Global change ecology
vegetation remote sensing
climate change
phenology
* Total Citation Counts Rankings
Rankings
101,234
8,378
462
Ranking Based On Selection: 288
Matthew Gandy
University of Cambridge
Cambridge, United Kingdom
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,728
4,174
0.429
* Total Citation Counts Rankings
Rankings
101,540
8,410
29
Ranking Based On Selection: 289
G Hilmar Gudmundsson
Northumbria University
Newcastle upon Tyne, United Kingdom
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,700
5,231
0.539
* Total Citation Counts Rankings
Rankings
101,639
4,417
64
Ranking Based On Selection: 290
Hartwig Frimmel
Universität Würzburg
Würzburg, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,691
4,266
0.440
Geosciences
geology
petrology
geochemistry
economic geology
* Total Citation Counts Rankings
Rankings
101,743
8,426
5
Ranking Based On Selection: 291
Chambers FM
University of Gloucestershire
Cheltenham, United Kingdom
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,684
3,275
0.338
Palaeoecology
conservation biology
peatlands
Quaternary science
pollen analysis
* Total Citation Counts Rankings
Rankings
102,106
4,581
493
Ranking Based On Selection: 292
Marwan Hassan
University of British Columbia
Vancouver, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,656
3,721
0.385
fluvial sediment transport
channel morphology
arid lands geomorphology
urban hydrology and urban streams
scaling relations
* Total Citation Counts Rankings
Rankings
102,287
1,466
69
Ranking Based On Selection: 293
Antonio Jose Teixeira Guerra
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,640
3,175
0.329
Geomorfologia
Erosão dos Solos
Movimentos de Massa
Geoturismo
Geodiversidade
* Total Citation Counts Rankings
Rankings
102,464
4,594
56
Ranking Based On Selection: 294
Leonard Sklar
Concordia University Montréal
Montréal, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,625
3,910
0.406
Geomorphology
Hydrology
Rivers
Erosion
Landscape Evolution
* Total Citation Counts Rankings
Rankings
103,096
8,511
137
Ranking Based On Selection: 295
Tony Champion
Newcastle University
Newcastle upon Tyne, United Kingdom
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,574
2,180
0.228
* Total Citation Counts Rankings
Rankings
103,413
8,541
1
Ranking Based On Selection: 296
Owain Jones
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,547
3,920
0.411
Geography
environment
place
memory
Environmental Humanities
* Total Citation Counts Rankings
Rankings
103,474
339
103
Ranking Based On Selection: 297
Gerardo Bocco
Universidad Nacional Autónoma de México
Mexico City, Mexico
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,542
3,456
0.362
* Total Citation Counts Rankings
Rankings
103,566
40,975
2
Ranking Based On Selection: 298
Yichun Xie
Eastern Michigan University
Ypsilanti, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,534
3,465
0.363
Urban Modeling
Urban Sustainability
Urban Informatics
Coupled Human and Nature Dynamis
Geographic Information Science
* Total Citation Counts Rankings
Rankings
103,897
2,607
214
Ranking Based On Selection: 299
Arnold Bregt
Wageningen University & Research Centre
Wageningen, Netherlands
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,507
3,927
0.413
Geo-information science
SDI
Spatial Data infrastructures
spatial thinking
* Total Citation Counts Rankings
Rankings
104,190
606
29
Ranking Based On Selection: 300
Wolfgang Schöner
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,482
4,699
0.496