Scholarly Index
Stephen P. Opsahl
United States Geological Survey; 3,676 total citations; 58 total publications; best world rank #696
United States Geological Survey
3,676Total citations
58Total publications
23H-index
Published ranking records
| Field | Window | World rank | National rank | Impact score |
|---|---|---|---|---|
| Water Quality and Resources Studies | Lifetime | 696 | US 588 | 87.40 |
| Karst Systems and Hydrogeology | Lifetime | 838 | US 136 | 82.75 |