Timothy Kettler

1.1k total citations · 1 hit paper
14 papers, 898 citations indexed

About

Timothy Kettler is a scholar working on Soil Science, Environmental Chemistry and Education. According to data from OpenAlex, Timothy Kettler has authored 14 papers receiving a total of 898 indexed citations (citations by other indexed papers that have themselves been cited), including 6 papers in Soil Science, 5 papers in Environmental Chemistry and 4 papers in Education. Recurrent topics in Timothy Kettler's work include Soil and Water Nutrient Dynamics (5 papers), Soil Carbon and Nitrogen Dynamics (4 papers) and Innovative Teaching and Learning Methods (2 papers). Timothy Kettler is often cited by papers focused on Soil and Water Nutrient Dynamics (5 papers), Soil Carbon and Nitrogen Dynamics (4 papers) and Innovative Teaching and Learning Methods (2 papers). Timothy Kettler collaborates with scholars based in United States. Timothy Kettler's co-authors include J. W. Doran, W. L. Powers, Walter W. Stroup, Drew J. Lyon, Stamatis Stamatiadis, Jin Qian, John W. Doran, Anabayan Kessavalou, Martha Mamo and D. L. McCallister and has published in prestigious journals such as Soil Science Society of America Journal, Journal of Environmental Quality and Applied Soil Ecology.

In The Last Decade

Timothy Kettler

13 papers receiving 839 citations

Hit Papers

align trajectories sort by overperformance

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.

Simplified Method for Soil Particle‐Size Determination to Accompany Soil‐Quality Analyses

2001 624 citations Timothy Kettler, J. W. Doran et al. Soil Science Society of America Journal profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Timothy Kettler United States	7	442	199	192	173	134	14	898
Haithem Bahri Tunisia	12	559 1.3×	143 0.7×	191 1.0×	266 1.5×	101 0.8×	30	858
S. Samson‐Liebig United States	6	656 1.5×	193 1.0×	191 1.0×	202 1.2×	62 0.5×	7	854
Pascal Boivin Switzerland	14	490 1.1×	116 0.6×	156 0.8×	120 0.7×	73 0.5×	30	795
Safya Menasseri France	8	813 1.8×	200 1.0×	222 1.2×	164 0.9×	95 0.7×	11	1.1k
G. Stuart Pettygrove United States	16	683 1.5×	137 0.7×	338 1.8×	180 1.0×	84 0.6×	27	1.2k
Małgorzata Brzezińska Poland	20	524 1.2×	169 0.8×	331 1.7×	195 1.1×	223 1.7×	72	1.2k
Tianxiang Hao China	16	632 1.4×	192 1.0×	367 1.9×	203 1.2×	115 0.9×	36	1.1k
Weinan Pan United States	6	632 1.4×	180 0.9×	208 1.1×	176 1.0×	72 0.5×	7	953
Engil Isadora Pujol Pereira United States	18	550 1.2×	153 0.8×	289 1.5×	175 1.0×	67 0.5×	31	910
Claudia Hidalgo Mexico	14	407 0.9×	99 0.5×	115 0.6×	116 0.7×	95 0.7×	28	694

Countries citing papers authored by Timothy Kettler

Since Specialization

Citations

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

Fields of papers citing papers by Timothy Kettler

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Timothy Kettler. 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 Timothy Kettler. The network helps show where Timothy Kettler may publish in the future.

Co-authorship network of co-authors of Timothy Kettler

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

All Works

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14 of 14 papers shown

Freidenreich, Ariel, Marty R. Schmer, Makki Khorchani, et al.. (2024). The LTAR Cropland Common Experiment at Platte River/High Plains Aquifer. Journal of Environmental Quality. 53(6). 939–947. 2 indexed citations

Li, Lidong, Virginia L. Jin, Timothy Kettler, et al.. (2021). Decreased land use intensity improves surface soil quality on marginal lands. Agrosystems Geosciences & Environment. 4(4). 10 indexed citations

Mamo, Martha, et al.. (2021). Student perceptions and performance in a traditional, flipped classroom, and online introductory soil science course. Journal of Geoscience Education. 70(1). 130–141. 4 indexed citations

Mamo, Martha, et al.. (2014). Student Perception of Metacognitive Activities in Entry-Level Science Courses. Natural sciences education. 43(1). 25–32. 8 indexed citations

Mamo, Martha, et al.. (2011). Learning Gains and Response to Digital Lessons on Soil Genesis and Development. Journal of Geoscience Education. 59(4). 194–204. 3 indexed citations

Mamo, Martha, et al.. (2011). Avatars Go to Class: A Virtual Environment Soil Science Activity. Journal of natural resources and life sciences education. 40(1). 114–121. 6 indexed citations

Kettler, Timothy, et al.. (2009). Soil Genesis and Development, Lesson 5: Soil Classification and Geography. Journal of natural resources and life sciences education. 38(1). 240–240. 2 indexed citations

Mamo, Martha, et al.. (2009). Soil Genesis and Development, Lesson 2: Weathering Processes of Rocks and Minerals. Journal of natural resources and life sciences education. 38(1). 238–238.

Mamo, Martha, et al.. (2005). Learning Style Responses to an Online Soil Erosion Lesson. Journal of natural resources and life sciences education. 34(1). 44–48. 4 indexed citations

10.

Mamo, Martha, et al.. (2004). Assessment of an On-Line Erosion Lesson as a Teaching Tool in Introductory Soil Science1. 48(3). 47. 5 indexed citations

11.

Kettler, Timothy, et al.. (2001). Simplified Method for Soil Particle‐Size Determination to Accompany Soil‐Quality Analyses. Soil Science Society of America Journal. 65(3). 849–852. 624 indexed citations breakdown →

12.

Kettler, Timothy, Drew J. Lyon, J. W. Doran, W. L. Powers, & Walter W. Stroup. (2000). Soil Quality Assessment after Weed‐Control Tillage in a No‐Till Wheat–Fallow Cropping System. Soil Science Society of America Journal. 64(1). 339–346. 118 indexed citations

13.

Stamatiadis, Stamatis, J. W. Doran, & Timothy Kettler. (1999). Field and laboratory evaluation of soil quality changes resulting from injection of liquid sewage sludge. Applied Soil Ecology. 12(3). 263–272. 67 indexed citations

14.

Kessavalou, Anabayan, John W. Doran, W. L. Powers, Timothy Kettler, & Jin Qian. (1996). Bromide and Nitrogen‐15 Tracers of Nitrate Leaching under Irrigated Corn in Central Nebraska. Journal of Environmental Quality. 25(5). 1008–1014. 45 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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