R. A. Leonard

5.1k total citations · 2 hit papers
96 papers, 3.5k citations indexed

About

R. A. Leonard is a scholar working on Environmental Chemistry, Pollution and Water Science and Technology. According to data from OpenAlex, R. A. Leonard has authored 96 papers receiving a total of 3.5k indexed citations (citations by other indexed papers that have themselves been cited), including 25 papers in Environmental Chemistry, 23 papers in Pollution and 18 papers in Water Science and Technology. Recurrent topics in R. A. Leonard's work include Soil and Water Nutrient Dynamics (24 papers), Pesticide and Herbicide Environmental Studies (22 papers) and Radioactive element chemistry and processing (15 papers). R. A. Leonard is often cited by papers focused on Soil and Water Nutrient Dynamics (24 papers), Pesticide and Herbicide Environmental Studies (22 papers) and Radioactive element chemistry and processing (15 papers). R. A. Leonard collaborates with scholars based in United States and United Kingdom. R. A. Leonard's co-authors include W. G. Knisel, D. A. Still, Richard Lowrance, Robert Lemlich, Robert L. Todd, O. Q. Hendrickson, J. M. Sheridan, G. W. Langdale, Frank M. Davis and A. W. Thomas and has published in prestigious journals such as Environmental Science & Technology, Ecology and BioScience.

In The Last Decade

R. A. Leonard

88 papers receiving 2.8k 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.

GLEAMS: Groundwater Loading Effects of Agricultural Management Systems

1987 843 citations R. A. Leonard, W. G. Knisel et al. Transactions of the ASAE profile →
Riparian Forests as Nutrient Filters in Agricultural Watersheds

1984 641 citations Richard Lowrance, Robert L. Todd et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
R. A. Leonard United States	27	1.2k	1.2k	930	624	547	96	3.5k
Michael L. Thompson United States	34	751 0.6×	542 0.5×	1.3k 1.4×	439 0.7×	1.2k 2.2×	116	4.3k
L. W. Zelazny United States	30	715 0.6×	458 0.4×	655 0.7×	217 0.3×	700 1.3×	99	3.3k
David J. Chittleborough Australia	36	651 0.5×	669 0.6×	1.5k 1.6×	746 1.2×	686 1.3×	109	4.8k
Philip M. Jardine United States	49	1.5k 1.2×	889 0.7×	724 0.8×	913 1.5×	1.4k 2.5×	112	6.2k
A. R. Fraser United Kingdom	30	635 0.5×	322 0.3×	310 0.3×	190 0.3×	329 0.6×	59	3.2k
Roger Fujii United States	21	1.3k 1.0×	942 0.8×	350 0.4×	1.4k 2.3×	874 1.6×	38	4.9k
Guilhem Bourrié France	24	558 0.5×	457 0.4×	396 0.4×	136 0.2×	337 0.6×	57	2.7k
Axel Schippers Germany	48	3.3k 2.6×	2.6k 2.2×	243 0.3×	1.6k 2.5×	676 1.2×	162	7.9k
James E. Saiers United States	43	1.3k 1.0×	2.1k 1.7×	238 0.3×	744 1.2×	416 0.8×	95	5.2k
Christoph Hinz Australia	29	514 0.4×	1.2k 1.0×	797 0.9×	499 0.8×	461 0.8×	82	3.5k

Countries citing papers authored by R. A. Leonard

Since Specialization

Citations

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

Fields of papers citing papers by R. A. Leonard

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by R. A. Leonard. 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 R. A. Leonard. The network helps show where R. A. Leonard may publish in the future.

Co-authorship network of co-authors of R. A. Leonard

This figure shows the co-authorship network connecting the top 25 collaborators of R. A. Leonard. A scholar is included among the top collaborators of R. A. Leonard 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 R. A. Leonard. R. A. Leonard 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

Leonard, R. A., Matthew W. Liberatore, George F. Vandegrift, et al.. (2001). DEVELOPMENT OF A SOLVENT EXTRACTION PROCESS FOR CESIUM REMOVAL FROM SRS TANK WASTE. Separation Science and Technology. 36(5-6). 743–766. 48 indexed citations

Truman, C. C., R. A. Leonard, & Frank M. Davis. (1998). GLEAMS-TC: A TWO-COMPARTMENT MODEL FOR SIMULATING TEMPERATURE AND SOIL WATER CONTENT EFFECTS ON PESTICIDE LOSSES. Soil Science. 163(5). 362–373. 16 indexed citations

Bosch, David D., R. A. Leonard, C. C. Truman, L. T. West, & David W. Hicks. (1997). Impacts of Conventional Agricultural Practices on Aquifer Water Quality: An Overview of the Plains, Georgia Water Quality Study. SMARTech Repository (Georgia Institute of Technology). 3 indexed citations

Chamberlain, David B., et al.. (1997). TRUEX Processing of Plutonium Analytical Solutions at Argonne National Laboratory. Separation Science and Technology. 32(1-4). 303–326. 18 indexed citations

Leonard, R. A., et al.. (1996). Progress in dissolving modified LEU Cintichem targets. University of North Texas Digital Library (University of North Texas). 3 indexed citations

Johnson, A. W. & R. A. Leonard. (1995). Effects and carry-over benefits of nematicides in soil planted to a sweet corn-squash-vetch cropping system.. PubMed. 27(4S). 563–70. 5 indexed citations

Leonard, R. A. & Mónica C. Regalbuto. (1994). A SPREADSHEET ALGORITHM FOR STAGEWISE SOLVENT EXTRACTION*. Solvent Extraction and Ion Exchange. 12(5). 909–930. 17 indexed citations

Leonard, R. A., et al.. (1992). Pesticide Runoff Simulations: Long-Term Annual Means vs. Event Extremes?. Weed Technology. 6(3). 725–730. 14 indexed citations

Knisel, W. G., R. A. Leonard, & Frank M. Davis. (1992). Simulating processes in nonpoint source pollution. 1159–1165. 1 indexed citations

10.

Hubbard, R. K., R. A. Leonard, & A. W. Johnson. (1991). NITRATE TRANSPORT ON A SANDY COASTAL PLAIN SOIL UNDERLAIN BY PLINTHITE. Transactions of the ASAE. 34(3). 802–808. 17 indexed citations

11.

Truman, C. C. & R. A. Leonard. (1991). EFFECTS OF PESTICIDE, SOIL, AND RAINFALL CHARACTERISTICS ON POTENTIAL PESTICIDE LOSS BY PERCOLATION -A GLEAMS SIMULATION. Transactions of the ASAE. 34(6). 2461–2468. 13 indexed citations

12.

Tan, K. H., et al.. (1990). The geochemistry of black water in selected coastal streams of the Southeastern United States. Communications in Soil Science and Plant Analysis. 21(17-18). 1999–2016. 3 indexed citations

13.

Leonard, R. A., et al.. (1986). Impact of Irrigation on Groundwater Quality in Humid Areas. 1508–1515. 1 indexed citations

14.

Todd, Robert L., et al.. (1985). Dissolved oxygen, total organic carbon and temperature relationships in southeastern U.S. coastal plain watersheds. Agricultural Water Management. 9(4). 313–324. 13 indexed citations

15.

Beck, Barry F., et al.. (1985). Relationship of Geology, Physiography, Agricultural Land Use, and Ground‐Water Quality in Southwest Georgia ^a. Ground Water. 23(5). 627–634. 21 indexed citations

16.

Bruce, R. R., R. A. Leonard, A. W. Thomas, & W. Andrew Jackson. (1985). Redistribution of Bromide by Rainfall Infiltration into a Cecil Sandy Loam Landscape. Journal of Environmental Quality. 14(3). 439–445. 9 indexed citations

17.

Lowrance, Richard, R. A. Leonard, L. E. Asmussen, & Robert L. Todd. (1985). Nutrient Budgets for Agricultural Watersheds in the Southeastern Coastal Plain. Ecology. 66(1). 287–296. 88 indexed citations

18.

Leonard, R. A., et al.. (1978). Multistage Bubble Fractionator. Industrial & Engineering Chemistry Process Design and Development. 17(3). 358–361. 8 indexed citations

19.

Weed, S. B. & R. A. Leonard. (1968). Effect of K ⁺ ‐Uptake by K ⁺ ‐Depleted Micas on the Basal Spacing. Soil Science Society of America Journal. 32(3). 335–340. 4 indexed citations

20.

Leonard, R. A. & Philip F. Low. (1962). A Self‐Adjusting, Null‐Point Tensiometer. Soil Science Society of America Journal. 26(2). 123–125. 1 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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