R. Daren Harmel

21.4k total citations · 2 hit papers
139 papers, 16.8k citations indexed

About

R. Daren Harmel is a scholar working on Water Science and Technology, Environmental Chemistry and Soil Science. According to data from OpenAlex, R. Daren Harmel has authored 139 papers receiving a total of 16.8k indexed citations (citations by other indexed papers that have themselves been cited), including 91 papers in Water Science and Technology, 79 papers in Environmental Chemistry and 57 papers in Soil Science. Recurrent topics in R. Daren Harmel's work include Soil and Water Nutrient Dynamics (77 papers), Hydrology and Watershed Management Studies (73 papers) and Soil erosion and sediment transport (35 papers). R. Daren Harmel is often cited by papers focused on Soil and Water Nutrient Dynamics (77 papers), Hydrology and Watershed Management Studies (73 papers) and Soil erosion and sediment transport (35 papers). R. Daren Harmel collaborates with scholars based in United States, China and Australia. R. Daren Harmel's co-authors include Daniel N. Moriasi, M. W. Van Liew, J. G. Arnold, Tamie L. Veith, Ronald L. Bingner, Kevin W. King, Jeffrey G. Arnold, Michael J. White, Manoj K. Jha and Narayanan Kannan and has published in prestigious journals such as SHILAP Revista de lepidopterología, Water Research and Water Resources Research.

In The Last Decade

R. Daren Harmel

136 papers receiving 15.9k 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.

Model Evaluation Guidelines for Systematic Quantification of Accuracy in Watershed Simulations

2007 10.2k citations R. Daren Harmel et al. Transactions of the ASABE profile →
SWAT: Model Use, Calibration, and Validation

2012 2.5k citations Jeffrey G. Arnold, Michael J. White et al. Transactions of the ASABE profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
R. Daren Harmel United States	39	12.4k	7.4k	4.9k	4.2k	3.7k	139	16.8k
Jeffrey G. Arnold United States	65	15.2k 1.2×	8.3k 1.1×	5.5k 1.1×	4.5k 1.1×	4.6k 1.2×	228	18.2k
Daniel N. Moriasi United States	28	11.6k 0.9×	7.5k 1.0×	4.6k 0.9×	3.3k 0.8×	2.4k 0.6×	115	14.9k
Karim C. Abbaspour Switzerland	57	13.1k 1.1×	8.5k 1.1×	5.3k 1.1×	2.9k 0.7×	2.3k 0.6×	178	17.4k
J. G. Arnold United States	31	16.9k 1.4×	10.0k 1.3×	6.3k 1.3×	5.0k 1.2×	4.4k 1.2×	56	20.8k
Tamie L. Veith United States	27	9.3k 0.7×	5.7k 0.8×	3.5k 0.7×	2.8k 0.7×	2.6k 0.7×	89	12.6k
Ronald L. Bingner United States	26	9.0k 0.7×	5.7k 0.8×	3.4k 0.7×	3.3k 0.8×	1.9k 0.5×	85	12.1k
M. W. Van Liew United States	12	10.6k 0.9×	7.0k 0.9×	4.0k 0.8×	3.0k 0.7×	2.1k 0.6×	17	13.5k
J. R. Williams United States	50	11.0k 0.9×	6.7k 0.9×	3.5k 0.7×	6.4k 1.5×	4.0k 1.1×	153	17.0k
J. V. Sutcliffe United Kingdom	20	13.9k 1.1×	10.6k 1.4×	6.1k 1.3×	3.5k 0.8×	2.0k 0.5×	42	20.0k
Philip W. Gassman United States	43	8.6k 0.7×	4.9k 0.7×	2.6k 0.5×	2.9k 0.7×	3.1k 0.8×	165	10.9k

Countries citing papers authored by R. Daren Harmel

Since Specialization

Citations

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

Fields of papers citing papers by R. Daren Harmel

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of R. Daren Harmel

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

Smith, Douglas R., et al.. (2025). Adapting to Climatic Extremes: Do Grazing Management Strategies Matter?. Rangeland Ecology & Management. 103. 117–127. 1 indexed citations

Smith, Douglas R., et al.. (2025). Soil health and nutrient dynamics in pasturelands: A decadal study on the effects of alternative vs. prevailing grazing management. Agriculture Ecosystems & Environment. 397. 110053–110053.

Smith, Douglas R., R. Daren Harmel, Douglas R. Tolleson, et al.. (2024). The LTAR Integrated Grazing Land Common Experiment at the Texas Gulf. Journal of Environmental Quality. 53(6). 1025–1036. 4 indexed citations

Harmel, R. Daren, et al.. (2024). Prediction Of Chlorophyll-a As an Index of Harmful Algal Blooms Using Machine Learning Models. 2(2). 53–61. 4 indexed citations

Cheng, Haomiao, Zhiming Qi, Melissa Bukovsky, et al.. (2023). Simulating synergistic effects of climate change and conservation practices on greenhouse gas emissions and crop growth in long-term maize cropping systems. Computers and Electronics in Agriculture. 215. 108404–108404. 4 indexed citations

Douglas‐Mankin, Kyle R., Matthew J. Helmers, & R. Daren Harmel. (2021). Review of Filter Strip Performance and Function for Improving Water Quality from Agricultural Lands. Transactions of the ASABE. 64(2). 659–674. 15 indexed citations

Wagner, Kevin, et al.. (2021). Grazing Effects on Bovine-Associated and Background Fecal Indicator Bacteria Levels in Edge-of-Field Runoff. Water. 13(7). 928–928. 4 indexed citations

Smith, Douglas R., R. Daren Harmel, & R. L. Haney. (2020). Long-term agro-economic and environmental assessment of adaptive nutrient management on cropland fields with established structural conservation practices. Journal of Soil and Water Conservation. 75(3). 416–425. 4 indexed citations

Pittelkow, Cameron M., et al.. (2019). The MANAGE Drain Concentration database: A new tool compiling North American drainage nutrient concentrations. Agricultural Water Management. 216. 113–117. 15 indexed citations

10.

Chaubey, Indrajeet, David D. Bosch, Rafael Muñoz‐Carpena, et al.. (2016). Climate Change: A Call for Adaptation and Mitigation Strategies. Transactions of the ASABE. 59(6). 1709–1713. 12 indexed citations

11.

Wagner, Kevin, Larry A. Redmon, Terry J. Gentry, et al.. (2013). Effects of an off-stream watering facility on cattle behavior and instream E. coli levels. SHILAP Revista de lepidopterología. 4(2). 1–13. 2 indexed citations

12.

Morgan, Cristine L.S., et al.. (2012). Shrink–swell behavior of soil across a Vertisol catena. Journal of Hydrology. 476. 352–359. 39 indexed citations

13.

Harmel, R. Daren, R.M. Slade, & R. L. Haney. (2010). Impact of Sampling Techniques on Measured Stormwater Quality Data for Small Streams. Journal of Environmental Quality. 39(5). 1734–1742. 28 indexed citations

14.

Toor, Gurpal S., R. Daren Harmel, Brian E. Haggard, & Gerd Schmidt. (2008). Evaluation of Regression Methodology with Low‐Frequency Water Quality Sampling to Estimate Constituent Loads for Ephemeral Watersheds in Texas. Journal of Environmental Quality. 37(5). 1847–1854. 26 indexed citations

15.

Harmel, R. Daren, et al.. (2008). Evaluation of WEPP for Runoff and Sediment Yield Prediction on Natural Gas Well Sites. Transactions of the ASABE. 51(6). 1977–1986. 6 indexed citations

16.

King, Kevin W., et al.. (2007). Nutrient Load Generated by Storm Event Runoff from a Golf Course Watershed. Journal of Environmental Quality. 36(4). 1021–1030. 29 indexed citations

17.

Holt, Gregory, et al.. (2007). Weed Suppression Potential of Dry Applied Mulches Used in Bedding Plant Applications: Processed Cotton Gin By-products Versus Conventional Wood. The journal of cotton science/Journal of cotton science. 11(1). 52–59. 2 indexed citations

18.

Harmel, R. Daren & Patricia K. Smith. (2007). Consideration of measurement uncertainty in the evaluation of goodness-of-fit in hydrologic and water quality modeling. Journal of Hydrology. 337(3-4). 326–336. 214 indexed citations

19.

Harmel, R. Daren & Kevin W. King. (2005). UNCERTAINTY IN MEASURED SEDIMENT AND NUTRIENT FLUX IN RUNOFF FROM SMALL AGRICULTURAL WATERSHEDS. Transactions of the ASAE. 48(5). 1713–1721. 43 indexed citations

20.

Harmel, R. Daren, A. L. Kenimer, Stephen W. Searcy, & H. Allen Torbert. (2004). Runoff Water Quality Impact of Variable Rate Sidedress Nitrogen Application. Precision Agriculture. 5(3). 247–261. 10 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.

Explore authors with similar magnitude of impact