Citation Rankings
Highly Cited Researchers

SLAC National Accelerator Laboratory Highly Cited Researchers CitationEngineering & Technology / Earth Sciences Rankings (Sort by last 6 years Citation Index) 2025

Citation Rankings (Highly Cited Researchers) and the list of the most cited and influential researchers cover a wide range of scientific fields, spanning 197 main and sub-disciplines, as well as the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings, offering a unique service. Additionally, the list without CERN, Statistical Data, etc., provided exclusively by “AD Scientific Index”, is part of our effort to balance the situation created by CERN and researchers with statistical data, who have an advantage over others, especially those in the social and humanities fields. There should be new regulations for multi-author and CERN papers. Citation lists also reveal many rule violations and unethical practices. See also for more specific citation analyses: Scientists Last 6 years Citation IndexUniversities Total Citations Rankings 2025 and Universities Last 6 Years Citations Rankings 2025

* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :1
United States
John R Bargar
Biogeochemistry Water-rock interactions Nuclear Forensics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,661
9,049
0.438
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :2
United States
Jocelyn A Richardson
Stable Isotope Geochemistry
Biogeochemical Cycles
Carbonate Sedimentology
Chemical Imaging
XANES
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
146
146
1.000
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :3
United States
Robert Ruland
Geodesy
Metrology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
982
118
0.120
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :4
United States
Samuel Pierce
riverscapes
ecohydrology
biogeochemistry
beavers
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
62
62
1.000
* Last 6 Years Citation Counts Rankings
Rankings
39,272
United States
15,288
21
Ranking Based On Selection: 1
John R Bargar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,661
9,049
0.438
Biogeochemistry Water-rock interactions Nuclear Forensics
* Last 6 Years Citation Counts Rankings
Rankings
1,252,082
United States
301,891
183
Ranking Based On Selection: 2
Jocelyn A Richardson
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
146
146
1.000
Stable Isotope Geochemistry
Biogeochemical Cycles
Carbonate Sedimentology
Chemical Imaging
XANES
* Last 6 Years Citation Counts Rankings
Rankings
1,346,617
United States
316,182
186
Ranking Based On Selection: 3
Robert Ruland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
982
118
0.120
* Last 6 Years Citation Counts Rankings
Rankings
1,627,553
United States
356,504
195
Ranking Based On Selection: 4
Samuel Pierce
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
62
62
1.000
riverscapes
ecohydrology
biogeochemistry
beavers