Alex L. Sessions

12.2k total citations · 2 hit papers
147 papers, 9.1k citations indexed

About

Alex L. Sessions is a scholar working on Ecology, Atmospheric Science and Mechanics of Materials. According to data from OpenAlex, Alex L. Sessions has authored 147 papers receiving a total of 9.1k indexed citations (citations by other indexed papers that have themselves been cited), including 71 papers in Ecology, 40 papers in Atmospheric Science and 39 papers in Mechanics of Materials. Recurrent topics in Alex L. Sessions's work include Isotope Analysis in Ecology (62 papers), Hydrocarbon exploration and reservoir analysis (38 papers) and Geology and Paleoclimatology Research (35 papers). Alex L. Sessions is often cited by papers focused on Isotope Analysis in Ecology (62 papers), Hydrocarbon exploration and reservoir analysis (38 papers) and Geology and Paleoclimatology Research (35 papers). Alex L. Sessions collaborates with scholars based in United States, Germany and Canada. Alex L. Sessions's co-authors include John M. Hayes, Arndt Schimmelmann, Roger E. Summons, Sarah J. Feakins, Jess F. Adkins, Thomas W. Burgoyne, Dianne K. Newman, John M. Eiler, David L. Valentine and Chao Li and has published in prestigious journals such as Science, Proceedings of the National Academy of Sciences and Nature Communications.

In The Last Decade

Alex L. Sessions

142 papers receiving 8.9k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Molecular Paleohydrology: Interpreting the Hydrogen-Isotopic Composition of Lipid Biomarkers from Photosynthesizing Organisms

2012 779 citations Sarah J. Feakins, Alex L. Sessions et al. profile →
A Stratified Redox Model for the Ediacaran Ocean

2010 556 citations Alex L. Sessions et al. profile →

Peers

Countries citing papers authored by Alex L. Sessions

Since Specialization

Citations

This map shows the geographic impact of Alex L. Sessions's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Alex L. Sessions with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Alex L. Sessions more than expected).

Fields of papers citing papers by Alex L. Sessions

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Alex L. Sessions. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Alex L. Sessions. The network helps show where Alex L. Sessions may publish in the future.

Co-authorship network of co-authors of Alex L. Sessions

This figure shows the co-authorship network connecting the top 25 collaborators of Alex L. Sessions. A scholar is included among the top collaborators of Alex L. Sessions based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Alex L. Sessions. Alex L. Sessions is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

#	Work	Indexed citations
1	Metabolic controls on the carbon isotope fractionations of bacterial fermentation 2025 ·Proceedings of the National Academy of Sciences ·(unknown), Verena B. Heuer, Jared R. Leadbetter, Kai‐Uwe Hinrichs, Alex L. Sessions	0
2	Comparing Raman and NanoSIMS for heavy water labeling of single cells 2025 ·Microbiology Spectrum ·(unknown), John Cliff, J. K. CRANDALL, Jeremy Bougoure, (unknown), Alex L. Sessions, Joseph A. Atwood, Roland Hatzenpichler	3
3	Theoretical and experimental constraints on hydrogen isotope equilibrium in C1-C5 alkanes 2024 ·Geochimica et Cosmochimica Acta ·Hao Xie, Michael J Formolo, Alex L. Sessions, John M. Eiler	3
4	Glycine synthesis from nitrate and glyoxylate mediated by ferroan brucite: An integrated pathway for prebiotic amine synthesis 2024 ·Proceedings of the National Academy of Sciences ·Laura Chimiak, (unknown), Alex L. Sessions, Alexis S. Templeton	3
5	Isotopic evidence of acetate turnover in Precambrian continental fracture fluids 2024 ·Nature Communications ·(unknown), (unknown), (unknown), Min Song, Christian T. Hansen, Oliver Warr, (unknown), Verena B. Heuer, Wolfgang Bach, Kai‐Uwe Hinrichs, John M. Eiler, Victoria J. Orphan, Barbara Sherwood Lollar, Alex L. Sessions	2
6	Position-specific carbon isotopes of Murchison amino acids elucidate extraterrestrial abiotic organic synthesis networks 2023 ·Geochimica et Cosmochimica Acta ·(unknown), Laura Chimiak, Jamie E. Elsila, Alex L. Sessions, Jason P. Dworkin, José C. Aponte, John M. Eiler	8
7	Oceanic nutrient rise and the late Miocene inception of Pacific oxygen-deficient zones 2022 ·Proceedings of the National Academy of Sciences ·Xingchen Wang, Yuwei Wang, Alexandra Auderset, Daniel M. Sigman, Haojia Ren, Alfredo Martínez‐García, Gerald H. Haug, (unknown), Yige Zhang, Birger Rasmussen, Alex L. Sessions, Woodward W. Fischer	10
8	Sulfur cycling at natural hydrocarbon and sulfur seeps in Santa Paula Creek, CA 2022 ·Geobiology ·Heidi S. Aronson, (unknown), (unknown), Brooke Johnson, (unknown), Daan R. Speth, Xingchen Wang, Fenfang Wu, Samuel M. Webb, Elizabeth J. Trower, John S. Magyar, Alex L. Sessions, Victoria J. Orphan, (unknown), (unknown), (unknown)	3
9	Sulfur isotope analysis of cysteine and methionine via preparatory liquid chromatography and elemental analyzer isotope ratio mass spectrometry 2020 ·Rapid Communications in Mass Spectrometry ·(unknown), Fenfang Wu, Alex L. Sessions	19
10	Hydrologic Change in New Zealand During the Last Deglaciation Linked to Reorganization of the Southern Hemisphere Westerly Winds 2019 ·Paleoceanography and Paleoclimatology ·Jessica L. Hinojosa, Christopher M. Moy, Marcus J. Vandergoes, Sarah J. Feakins, Alex L. Sessions	8
11	Position-specific isotope analysis of serine by GC Orbitrap mass spectrometry 2019 ·AGU Fall Meeting Abstracts ·Elise B. Wilkes, Alex L. Sessions, (unknown), (unknown), John M. Eiler	1
12	2 H/ 1 H Variation in Microbial Lipids is Controlled by NADPH Metabolism 2019 ·AGU Fall Meeting Abstracts ·Reto S. Wijker, Alex L. Sessions, Tobias Fuhrer, (unknown)	4
13	Refining the Application of Microbial Lipids as Tracers of Staphylococcus aureus Growth Rates in Cystic Fibrosis Sputum 2018 ·Journal of Bacteriology ·Cajetan Neubauer, Ajay S. Kasi, Nora Grahl, Alex L. Sessions, Sebastian Kopf, R. Kato, Deborah A. Hogan, Dianne K. Newman	12
14	Quantification and Isotopic Analysis of Intracellular Sulfur Metabolites in the Dissimilatory Sulfate Reduction Pathway 2017 ·AGUFM ·Min Sub Sim, Guillaume Paris, Jess F. Adkins, Victoria J. Orphan, Alex L. Sessions	1
15	Biogeochemistry of Stinking Springs, Utah. Part II: Microbial Diversity and Photo- and Chemo-Autotrophic Growth Rates in a Layered Microbial Mat 2013 ·AGU Fall Meeting Abstracts ·(unknown), (unknown), (unknown), Harlan G. Kelly, Hope A. Johnson, Alex L. Sessions, Magdalena R. Osburn, Russell S. Shapiro, Jai Ram Rideout, David T. Johnston, Bradley S. Stevenson, Blake W. Stamps, David C. Vuono, Kurt Hanselmann, John R. Spear	0
16	Evaluating the Biological Influences on Ooid Formation in the Great Salt Lake, Utah 2013 ·AGU Fall Meeting Abstracts ·Jordan T. Bird, (unknown), (unknown), (unknown), W. Berelson, Alex L. Sessions, Magdalena R. Osburn, John R. Spear, Blake W. Stamps, Bryan Stevenson, Russell S. Shapiro, Mark A. Torres, Frank A. Corsetti	1
17	Microbial Diversity and Lipid Abundance in Microbial Mats from a Sulfidic, Saline, Warm Spring in Utah, USA 2012 ·AGU Fall Meeting Abstracts ·J. Gong, Christian F. Edwardson, Tyler Mackey, (unknown), Yadira Ibarra, (unknown), Carie M. Frantz, Magdalena R. Osburn, Marissa B. Hirst, (unknown), Kurt Hanselmann, J. Gregory Caporaso, Alex L. Sessions, John R. Spear	0
18	Identification of a methylase required for 2-methylhopanoid production and implications for the interpretation of sedimentary hopanes 2010 ·Proceedings of the National Academy of Sciences ·Paula V. Welander, Maureen L. Coleman, Alex L. Sessions, Roger E. Summons, Dianne K. Newman	172
19	Can lipid D/H ratios be a quantitative proxy for aridity? 2006 ·AGU Fall Meeting Abstracts ·Sarah J. Feakins, Alex L. Sessions	1
20	Rapid Analysis of Carbon Isotopic Compositions of Sedimentary Algal Sterols 2002 ·AGU Fall Meeting Abstracts ·Guillemette Ménot, Alex L. Sessions, John M. Hayes, Mark A. Altabet, Matthew J. Higginson	1

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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