Mary E. Exner

2.2k total citations · 1 hit paper
33 papers, 1.7k citations indexed

About

Mary E. Exner is a scholar working on Geochemistry and Petrology, Environmental Engineering and Environmental Chemistry. According to data from OpenAlex, Mary E. Exner has authored 33 papers receiving a total of 1.7k indexed citations (citations by other indexed papers that have themselves been cited), including 22 papers in Geochemistry and Petrology, 17 papers in Environmental Engineering and 16 papers in Environmental Chemistry. Recurrent topics in Mary E. Exner's work include Groundwater and Isotope Geochemistry (22 papers), Groundwater flow and contamination studies (17 papers) and Soil and Water Nutrient Dynamics (16 papers). Mary E. Exner is often cited by papers focused on Groundwater and Isotope Geochemistry (22 papers), Groundwater flow and contamination studies (17 papers) and Soil and Water Nutrient Dynamics (16 papers). Mary E. Exner collaborates with scholars based in United States, Argentina and South Korea. Mary E. Exner's co-authors include Roy F. Spalding, Mark E. Burbach, Daniel D. Snow, Darrell G. Watts, Glen E. Martin, James S. Schepers, David A. Cassada, B.J. Eadie, William M. Sackett and C. W. Lindau and has published in prestigious journals such as Water Resources Research, Journal of Hydrology and Journal of Environmental Quality.

In The Last Decade

Mary E. Exner

32 papers receiving 1.5k citations

Hit Papers

Occurrence of Nitrate in Groundwater—A Review 1993 2026 2004 2015 1993 250 500 750
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.

  1. Occurrence of Nitrate in Groundwater—A Review
    1993 903 citations Roy F. Spalding, Mary E. Exner Journal of Environmental Quality profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Mary E. Exner United States 19 885 636 560 557 251 33 1.7k
Neil M. Dubrovsky United States 21 907 1.0× 747 1.2× 760 1.4× 823 1.5× 311 1.2× 30 2.1k
Larry J. Puckett United States 20 859 1.0× 601 0.9× 929 1.7× 978 1.8× 185 0.7× 24 1.9k
Michael G. Rupert United States 15 794 0.9× 642 1.0× 577 1.0× 388 0.7× 177 0.7× 33 1.8k
Karen R. Burow United States 22 1.0k 1.2× 846 1.3× 790 1.4× 539 1.0× 221 0.9× 34 1.9k
Pixie A. Hamilton United States 18 602 0.7× 531 0.8× 737 1.3× 574 1.0× 229 0.9× 48 1.7k
Kerie J. Hitt United States 10 644 0.7× 540 0.8× 648 1.2× 424 0.8× 123 0.5× 15 1.4k
Josep Mas‐Pla Spain 29 1.2k 1.3× 933 1.5× 726 1.3× 420 0.8× 564 2.2× 59 2.4k
John Spoelstra Canada 22 543 0.6× 266 0.4× 368 0.7× 580 1.0× 341 1.4× 47 1.3k
Hans Peter Broers Netherlands 27 714 0.8× 750 1.2× 909 1.6× 654 1.2× 324 1.3× 58 1.8k
H. B. Pionke United States 23 310 0.4× 306 0.5× 862 1.5× 1.1k 2.0× 305 1.2× 48 1.8k

Countries citing papers authored by Mary E. Exner

Since Specialization
Citations

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

Fields of papers citing papers by Mary E. Exner

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Mary E. Exner

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

All Works

20 of 20 papers shown
1.
Spalding, Roy F., et al.. (2018). Applicability of the dual isotopes δ15N and δ18O to identify nitrate in groundwater beneath irrigated cropland. Journal of Contaminant Hydrology. 220. 128–135. 31 indexed citations
2.
Exner, Mary E., et al.. (2016). Análisis productivo y reproductivo de vacas lecheras Holstein, Pardo Suizo y sus cruzas en un sistema a pastoreo. Revista Veterinaria. 25(1). 40–44. 1 indexed citations
3.
Exner, Mary E., et al.. (2014). Nebraska's groundwater legacy: Nitrate contamination beneath irrigated cropland. Water Resources Research. 50(5). 4474–4489. 73 indexed citations
4.
Exner, Mary E., et al.. (2005). Development of a Quality-Assessed Agrichemical Database For Monitoring Anthropogenic Impacts on Ground-Water Quality. Environmental Monitoring and Assessment. 107(1-3). 249–257. 8 indexed citations
5.
Spalding, Roy F., et al.. (2003). Herbicides in Ground Water beneath Nebraska's Management Systems Evaluation Area. Journal of Environmental Quality. 32(1). 92–92. 11 indexed citations
6.
Spalding, Roy F., Darrell G. Watts, Daniel D. Snow, et al.. (2003). Herbicide Loading to Shallow Ground Water beneath Nebraska's Management Systems Evaluation Area. Journal of Environmental Quality. 32(1). 84–84. 8 indexed citations
7.
Spalding, Roy F., et al.. (2003). Herbicides in Ground Water beneath Nebraska's Management Systems Evaluation Area. Journal of Environmental Quality. 32(1). 92–99. 57 indexed citations
8.
Spalding, Roy F., et al.. (2001). Source identification of nitrate on Cheju Island, South Korea. Nutrient Cycling in Agroecosystems. 61(3). 237–246. 6 indexed citations
9.
Exner, Mary E. & Roy F. Spalding. (1994). N-15 Identification of nonpoint sources of nitrate contamination beneath cropland in the Nebraska Panhandle: two case studies. Applied Geochemistry. 9(1). 73–81. 29 indexed citations
10.
Ewers, U., et al.. (1994). [Digoxin content in blood lipids of children, athletes, sports ground attendants and residents after content with dioxin-containing surface slag (Kieselrot)].. PubMed. 56(1). 14–20. 5 indexed citations
11.
Spalding, Roy F., Mary E. Exner, Glen E. Martin, & Daniel D. Snow. (1993). Effects of sludge disposal on groundwater nitrate concentrations. Journal of Hydrology. 142(1-4). 213–228. 41 indexed citations
12.
Spalding, Roy F. & Mary E. Exner. (1993). Occurrence of Nitrate in Groundwater—A Review. Journal of Environmental Quality. 22(3). 392–402. 903 indexed citations breakdown →
13.
Exner, Mary E., et al.. (1992). Influence of N supply on the Ca nutrition of greenhouse cucumbers in soilless, closed culture systems. 57(5). 238–242. 1 indexed citations
14.
Exner, Mary E., Mark E. Burbach, Darrell G. Watts, R. C. Shearman, & Roy F. Spalding. (1991). Deep Nitrate Movement in the Unsaturated Zone of a Simulated Urban Lawn. Journal of Environmental Quality. 20(3). 658–662. 38 indexed citations
15.
Exner, Mary E. & Roy F. Spalding. (1987). Groundwater Quality and Policy Options in Nebraska. Insecta mundi. 5 indexed citations
16.
Exner, Mary E. & Roy F. Spalding. (1985). Ground‐Water Contamination and Well Construction in Southeast Nebraska. Ground Water. 23(1). 26–34. 36 indexed citations
17.
Spalding, Roy F., Mary E. Exner, C. W. Lindau, & David W. Eaton. (1982). Investigation of sources of groundwater nitrate contamination in the Burbank-Wallula area of Washington, U.S.A.. Journal of Hydrology. 58(3-4). 307–324. 52 indexed citations
18.
Spalding, Roy F. & Mary E. Exner. (1980). Areal, Vertical, and Temporal Differences in Ground Water Chemistry: I. Inorganic Constituents. Journal of Environmental Quality. 9(3). 466–479. 54 indexed citations
19.
Spalding, Roy F., Mary E. Exner, & James R. Gormly. (1976). A note on an in situ groundwater sampling procedure. Water Resources Research. 12(6). 1319–1321. 3 indexed citations
20.
Sackett, William M., B.J. Eadie, & Mary E. Exner. (1972). Stable isotope composition of organic carbon in recent antarctic sediments. OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information). 52 indexed citations

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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