E. Calvin Alexander

5.5k total citations · 2 hit papers
108 papers, 4.2k citations indexed

About

E. Calvin Alexander is a scholar working on Earth-Surface Processes, Environmental Engineering and Geochemistry and Petrology. According to data from OpenAlex, E. Calvin Alexander has authored 108 papers receiving a total of 4.2k indexed citations (citations by other indexed papers that have themselves been cited), including 41 papers in Earth-Surface Processes, 30 papers in Environmental Engineering and 26 papers in Geochemistry and Petrology. Recurrent topics in E. Calvin Alexander's work include Karst Systems and Hydrogeology (36 papers), Groundwater and Isotope Geochemistry (22 papers) and Groundwater flow and contamination studies (20 papers). E. Calvin Alexander is often cited by papers focused on Karst Systems and Hydrogeology (36 papers), Groundwater and Isotope Geochemistry (22 papers) and Groundwater flow and contamination studies (20 papers). E. Calvin Alexander collaborates with scholars based in United States, China and Australia. E. Calvin Alexander's co-authors include Scott D. Samson, O. K. Manuel, Chuan‐Chou Shen, Yemane Asmerom, Hai Cheng, R. Lawrence Edwards, John Hellström, Xianfeng Wang, Victor J. Polyak and Xinggong Kong and has published in prestigious journals such as Nature, Science and Journal of Geophysical Research Atmospheres.

In The Last Decade

E. Calvin Alexander

99 papers receiving 3.9k 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.

Improvements in 230Th dating, 230Th and 234U half-life values, and U–Th isotopic measurements by multi-collector inductively coupled plasma mass spectrometry

2013 1.2k citations R. Lawrence Edwards, E. Calvin Alexander et al. Earth and Planetary Science Letters profile →
Calibration of the interlaboratory 40Ar39Ar dating standard, MMhb-1

1987 613 citations E. Calvin Alexander et al. profile →

Peers

Countries citing papers authored by E. Calvin Alexander

Since Specialization

Citations

This map shows the geographic impact of E. Calvin Alexander'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 E. Calvin Alexander with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites E. Calvin Alexander more than expected).

Fields of papers citing papers by E. Calvin Alexander

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by E. Calvin Alexander. 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 E. Calvin Alexander. The network helps show where E. Calvin Alexander may publish in the future.

Co-authorship network of co-authors of E. Calvin Alexander

This figure shows the co-authorship network connecting the top 25 collaborators of E. Calvin Alexander. A scholar is included among the top collaborators of E. Calvin Alexander 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 E. Calvin Alexander. E. Calvin Alexander is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

#	Work	Indexed citations
1	Seismic observations from injection experiments and a recharge event in a karst aquifer: potential compressed air pocket release 2025 ·Hydrogeology Journal ·Andrew J. Luhmann, S. L. Bilek, M. D. Covington, Ronni Grapenthin, (unknown), (unknown), E. Calvin Alexander, Scott C. Alexander, Martin R. Larsen	0
2	Combined Hazard Analyses to Explore the Impact of Liquid Hydrogen Fuel on the Civil Aviation Industry 2020 ·(unknown), P.G. Holborn, Andrew Rolt, J.M. Ingram, E. Calvin Alexander	7
3	Electronic Access to Minnesota Springs, Karst Features & Groundwater Tracing Information 2018 ·Digital Commons - University of South Florida (University of South Florida) ·Jeffrey Green, (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), E. Calvin Alexander	1
4	RECONSTRUCTING MIDWESTERN CLIMATE VARIABILITY DURING THE LATE PLEISTOCENE 2016 ·Abstracts with programs - Geological Society of America ·(unknown), R. Lawrence Edwards, E. Calvin Alexander, (unknown), Daniel S. Shapiro, (unknown)	1
5	Thermal damping and retardation in karst conduits 2015 ·Hydrology and earth system sciences ·Andrew J. Luhmann, M. D. Covington, (unknown), Matija Perne, Stephen Jones, E. Calvin Alexander, Martin O. Saar	26
6	Karst Hydrogeologic Investigation of Trout Brook 2015 ·Digital Commons - University of South Florida (University of South Florida) ·(unknown), (unknown), E. Calvin Alexander	2
7	Hydrologic and Geochemical Dynamics of Vadose Zone Recharge in a Mantled Karst Aquifer: Results of Monitoring Drip Waters in Mystery Cave, Minnesota 2015 ·Digital Commons - University of South Florida (University of South Florida) ·(unknown), Daniel H. Doctor, E. Calvin Alexander, (unknown), (unknown)	0
8	Classification of Thermal Patterns at Karst Springs and Cave Streams 2010 ·Ground Water ·Andrew J. Luhmann, M. D. Covington, Andrew J. Peters, Scott C. Alexander, (unknown), Jeffrey A. Green, Anthony C. Runkel, E. Calvin Alexander	59
9	Applications of GIS and database technologies to manage a Karst Feature Database 2006 ·Journal of Cave and Karst Studies ·Yongli Gao, (unknown), E. Calvin Alexander	4
10	Using pyrosequencing to shed light on deep mine microbial ecology 2006 ·BMC Genomics ·Robert A. Edwards, Beltrán Rodriguez-Brito, Linda Wegley, Matthew Haynes, Mya Breitbart, Dean M Peterson, Martin O. Saar, Scott C. Alexander, E. Calvin Alexander, Forest Rohwer	336
11	THE DEVELOPMENT OF A KARST FEATURE DATABASE FOR SOUTHEASTERN MINNESOTA 2002 ·Journal of Cave and Karst Studies ·Yongli Gao, E. Calvin Alexander, (unknown)	21
12	KARST DEVELOPMENT AND SPELEOGENESIS, ISLA DE MONA, PUERTO RICO 1998 ·Journal of Cave and Karst Studies ·(unknown), John E. Mylroie, (unknown), E. Calvin Alexander, James L. Carew	33
13	Geology of Isla de Mona, Puerto Rico 1998 ·Journal of Cave and Karst Studies ·(unknown), Carol M. Wicks, John E. Mylroie, (unknown), E. Calvin Alexander, James L. Carew	42
14	Non-Atmospheric Noble Gases from CO 2 Well Gases 1988 ·LPI ·M. W. Caffee, G. B. Hudson, C. Velsko, E. Calvin Alexander, G. R. Huss, Allan R. Chivas	19
15	Geologic atlas : Winona county, Minnesota 1984 ·Medical Entomology and Zoology ·(unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), E. Calvin Alexander, Mark A. Jirsa, (unknown)	2
16	Temperature profiles in the Barnes Ice Cap, Baffin Island, Canada, and heat flux from the subglacial terrane 1980 ·Canadian Journal of Earth Sciences ·Roger LeB. Hooke, E. Calvin Alexander, Robert J. Gustafson	14
17	Argon isotopic evolution of upper mantle 1976 ·Nature ·E. Calvin Alexander, David Schwartzman	8
18	Trapped helium and argon and formation of the atmosphere 1976 ·Nature ·E. Calvin Alexander	6
19	Radiogenic Xenon and Argon in 14318 and Implications 1973 ·Lunar and Planetary Science Conference ·E. Calvin Alexander, (unknown), J. H. Reynolds, B. Srinivasan	2
20	Rare gases from stepwise heating of lunar rock 12013 1970 ·Earth and Planetary Science Letters ·E. Calvin Alexander	13

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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