2026 A. Hope Jahren: Earth Science Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Earth Science	33	8386	7782	125	118	76	3981

Discipline name

D-Index

World Ranking

Current World Ranking

National Ranking

Current National Ranking

Publications

Citations

Earth Science

8386

7782

125

118

3981

Research.com Recognitions

2001 - Young Scientist Award (Donath Medal), The Geological Society of America
Fellow of the Geological Society of America

Best Publications

Can C3 plants faithfully record the carbon isotopic composition of atmospheric carbon dioxide

Nan Crystal Arens;A. Hope Jahren;Ronald Amundson

517
Citations
Terrestrial record of methane hydrate dissociation in the Early Cretaceous

A. Hope Jahren;Nan Crystal Arens;Gustavo Sarmiento;Javier Guerrero

376
Citations
Methane Release from Igneous Intrusion of Coal during Late Permian Extinction Events

Gregory J. Retallack;A. Hope Jahren

274
Citations
Middle-Late Permian mass extinction on land

Gregory J. Retallack;Christine A. Metzger;Tara Greaver;A. Hope Jahren

228
Citations
Humidity estimate for the middle Eocene Arctic rain forest

A. Hope Jahren;Leonel Silveira Lobo Sternberg

139
Citations
Carbon Isotope Excursion in Atmospheric CO2 at the Cretaceous-Tertiary Boundary: Evidence from Terrestrial Sediments

Unknown

138
Citations
Global increase in plant carbon isotope fractionation following the Last Glacial Maximum caused by increase in atmospheric pCO2

Unknown

128
Citations
The Arctic Forest of the Middle Eocene

Unknown

117
Citations
Annual patterns within tree rings of the Arctic middle Eocene (ca. 45 Ma): Isotopic signatures of precipitation, relative humidity, and deciduousness

A. Hope Jahren;Leonel S.L. Sternberg

98
Citations
Determining Stone Tool Use: Chemical and Morphological Analyses of Residues on Experimentally Manufactured Stone Tools

A.H. Jahren;N. Toth;K. Schick;J.D. Clark

95
Citations
The Permian-Triassic boundary in Antarctica

G.J. Retallack;A.H. Jahren;N.D. Sheldon;R. Chakrabarti

92
Citations
Reconciliation of marine and terrestrial carbon isotope excursions based on changing atmospheric CO 2 levels

Unknown

88
Citations
The biogeochemical consequences of the mid-Cretaceous superplume

Unknown

83
Citations
Stable carbon isotope composition of Poaceae pollen and its potential in paleovegetational reconstructions

Ronald Amundson;Rand R. Evett;A.Hope Jahren;James Bartolome

80
Citations
A 23 m.y. record of low atmospheric CO2

Unknown

76
Citations
The carbon stable isotope composition of pollen

Unknown

73
Citations
Evaluation of a Novel Isotope Biomarker for Dietary Consumption of Sweets

Edwina H. Yeung;Christopher D. Saudek;A. Hope Jahren;Wen Hong Linda Kao

70
Citations
Molecular and petrographic indicators of redox conditions and bacterial communities after the F/F mass extinction (Kowala, Holy Cross Mountains, Poland)

Leszek Marynowski;Michał Rakociński;Ewelina Borcuch;Barbara Kremer

68
Citations
Megafaunal isotopes reveal role of increased moisture on rangeland during late Pleistocene extinctions

M. Timothy Rabanus-Wallace;Matthew J. Wooller;Grant D. Zazula;Elen Shute;Elen Shute

55
Citations
A plate tectonic mechanism for methane hydrate release along subduction zones

A. Hope Jahren;Clinton P. Conrad;Nan Crystal Arens;German Mora

51
Citations

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