Top1000 Scholar

Scholarly Index

David A. T. Harper

Gemological Institute of America; 28,778 total citations; 468 total publications; best world rank #37

Gemological Institute of America

28,778Total citations
468Total publications
52H-index

Published ranking records

FieldWindowWorld rankNational rankImpact score
Earth, Ocean and Atmospheric SciencesLifetime687US 31399.38
Earth, Ocean and Atmospheric Sciences2021-2025612US 12296.32
Paleontology and Earth HistoryLifetime37US 1699.35
Geology and StratigraphyLifetime185US 5096.68
Climate, Cryosphere and Paleoclimate ScienceLifetime551US 24696.99
Oceanography and Marine GeoscienceLifetime523US 24296.67
Geophysics and SeismologyLifetime833US 30691.04
Geochemistry and PetrologyLifetime626US 20988.68
Earth Surface Processes and GeomorphologyLifetime735US 22788.29
Paleontology and Earth History2021-202537US 897.99
Geology and Stratigraphy2021-202584US 689.82
Climate, Cryosphere and Paleoclimate Science2021-2025450US 12982.47
Oceanography and Marine Geoscience2021-2025377US 12170.61
Paleontology and Stratigraphy of FossilsLifetime91US 4899.24
Geological Studies and ExplorationLifetime174US 3898.19
Geology and Paleoclimatology ResearchLifetime602US 23598.97
Marine Biology and Ecology ResearchLifetime282US 10998.68
Geochemistry and Elemental AnalysisLifetime628US 18396.56
Marine and environmental studiesLifetime808US 11594.06
Geological Formations and Processes ExplorationLifetime256US 1094.42
Paleontology and Evolutionary BiologyLifetime515US 16893.01
Paleontology and Stratigraphy of Fossils2021-2025135US 3296.59
Geological Studies and Exploration2021-2025150US 692.54
Geology and Paleoclimatology Research2021-2025598US 10394.87
Marine Biology and Ecology Research2021-2025283US 4992.56
Paleontology and Evolutionary Biology2021-2025351US 7781.94