Citation Rankings
Highly Cited Researchers
Natural Sciences / Geography Highly Cited Researchers 20 Scientists Citation Rankings - 2025
The Citation Rankings (Highly Cited Researchers) list 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: 1
Tropical forest ecology
evolution
conservation
carbon cycling
global change
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
36,499
17,466
0.479
* Total Citation Counts Rankings
Ranking Based On Selection: 2
computational geography
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,037
3,382
0.161
* Total Citation Counts Rankings
Ranking Based On Selection: 3
hydrology
peatlands
biogeochemistry
geomorphology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,846
8,585
0.456
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Cultural Geography
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,268
4,273
0.234
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Geographical Information Systems
GIS
Wilderness
Wild land
Rewilding
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,416
3,190
0.306
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Spatial analysis
Geocomputation
Land Cover / Land Use
Spatial Data Analytics
R
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,273
5,078
0.548
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Ecosystem Services
Land Use
Ecosystem Modelling
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,324
4,456
0.608
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Hydrology
Geomorphology
roughness
malaria
TLS
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,858
3,655
0.624
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Biodiversity conservation
political ecology
human geography
geography
protected areas
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,603
3,114
0.677
* Total Citation Counts Rankings
Ranking Based On Selection: 10
historical Geography
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,953
239
0.122
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Oceanography
Biogeochemistry
Organic Geochemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,710
836
0.489
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Population & Health
Residential Movement & Segregation
Multilevel Modelling
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,331
261
0.196
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Human Geography
Public Art
Sexuality
Digital Geographies
Social Inclusion
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,124
733
0.652
* Total Citation Counts Rankings
Ranking Based On Selection: 14
tropical ecology
biogeochemical cycles
tropical soils
conservation
soil-vegetation interactions
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
935
465
0.497
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Tropical forest ecology
Functional ecology
Ecophysiology
Remote sensing
Climate change
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
906
630
0.695
* Total Citation Counts Rankings
Ranking Based On Selection: 16
information visualization
spatial statistics
open science
transportation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
687
380
0.553
* Total Citation Counts Rankings
Ranking Based On Selection: 17
simulation of the natural environment and ecosystems
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
326
121
0.371
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
214
179
0.836
* Total Citation Counts Rankings
Ranking Based On Selection: 19
Hydrology
Hydraulics
Modelling
Uncertainty analysis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
111
105
0.946
* Total Citation Counts Rankings
Ranking Based On Selection: 20
Aquatic ecology
eDNA
Biological monitoring
Food webs
River Health Assessments
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16
11
0.688
* Total Citation Counts Rankings
Rankings
16,979
1,487
23
Ranking Based On Selection: 1
Tim Baker
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
36,499
17,466
0.479
Tropical forest ecology
evolution
conservation
carbon cycling
global change
* Total Citation Counts Rankings
Rankings
38,770
3,383
67
Ranking Based On Selection: 2
Stan Openshaw
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,037
3,382
0.161
* Total Citation Counts Rankings
Rankings
45,072
3,923
79
Ranking Based On Selection: 3
Joseph Holden
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,846
8,585
0.456
hydrology
peatlands
biogeochemistry
geomorphology
* Total Citation Counts Rankings
Rankings
47,082
4,089
81
Ranking Based On Selection: 4
David Bell
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,268
4,273
0.234
* Total Citation Counts Rankings
Rankings
96,141
8,015
176
Ranking Based On Selection: 5
Steve Carver
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,416
3,190
0.306
Geographical Information Systems
GIS
Wilderness
Wild land
Rewilding
* Total Citation Counts Rankings
Rankings
109,773
9,012
205
Ranking Based On Selection: 6
Alexis Comber
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,273
5,078
0.548
Spatial analysis
Geocomputation
Land Cover / Land Use
Spatial Data Analytics
R
* Total Citation Counts Rankings
Rankings
142,550
11,380
265
Ranking Based On Selection: 7
Guy Ziv
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,324
4,456
0.608
Ecosystem Services
Land Use
Ecosystem Modelling
* Total Citation Counts Rankings
Rankings
179,292
13,863
339
Ranking Based On Selection: 8
Mark Smith
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,858
3,655
0.624
Hydrology
Geomorphology
roughness
malaria
TLS
* Total Citation Counts Rankings
Rankings
226,293
17,024
414
Ranking Based On Selection: 9
George Holmes
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,603
3,114
0.677
Biodiversity conservation
political ecology
human geography
geography
protected areas
* Total Citation Counts Rankings
Rankings
456,524
30,147
771
Ranking Based On Selection: 10
Robin A Butlin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,953
239
0.122
* Total Citation Counts Rankings
Rankings
500,116
32,445
838
Ranking Based On Selection: 11
Clare Woulds
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,710
836
0.489
Oceanography
Biogeochemistry
Organic Geochemistry
* Total Citation Counts Rankings
Rankings
586,098
36,759
932
Ranking Based On Selection: 12
Myles Gould
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,331
261
0.196
Population & Health
Residential Movement & Segregation
Multilevel Modelling
* Total Citation Counts Rankings
Rankings
646,191
39,526
1,002
Ranking Based On Selection: 13
Martin Zebracki
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,124
733
0.652
Human Geography
Public Art
Sexuality
Digital Geographies
Social Inclusion
* Total Citation Counts Rankings
Rankings
712,414
42,393
1,063
Ranking Based On Selection: 14
Michelle Johnson
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
935
465
0.497
tropical ecology
biogeochemical cycles
tropical soils
conservation
soil-vegetation interactions
* Total Citation Counts Rankings
Rankings
723,720
42,896
1,077
Ranking Based On Selection: 15
Julia Valentim Tavares
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
906
630
0.695
Tropical forest ecology
Functional ecology
Ecophysiology
Remote sensing
Climate change
* Total Citation Counts Rankings
Rankings
820,378
46,737
1,149
Ranking Based On Selection: 16
Roger Beecham
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
687
380
0.553
information visualization
spatial statistics
open science
transportation
* Total Citation Counts Rankings
Rankings
1,106,678
60,386
1,483
Ranking Based On Selection: 17
Richard Coppell
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
326
121
0.371
simulation of the natural environment and ecosystems
* Total Citation Counts Rankings
Rankings
1,285,023
68,439
1,663
Ranking Based On Selection: 18
Radhika Borde
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
214
179
0.836
* Total Citation Counts Rankings
Rankings
1,563,873
78,753
1,904
Ranking Based On Selection: 19
Tom Willis|Thomas Willis, T D Willis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
111
105
0.946
Hydrology
Hydraulics
Modelling
Uncertainty analysis
* Total Citation Counts Rankings
Rankings
2,135,922
92,372
2,322
Ranking Based On Selection: 20
Tapiwa G Zimunya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16
11
0.688
Aquatic ecology
eDNA
Biological monitoring
Food webs
River Health Assessments