Keith Shepherd

14.5k total citations · 4 hit papers
136 papers, 8.1k citations indexed

About

Keith Shepherd is a scholar working on Environmental Engineering, Soil Science and Management, Monitoring, Policy and Law. According to data from OpenAlex, Keith Shepherd has authored 136 papers receiving a total of 8.1k indexed citations (citations by other indexed papers that have themselves been cited), including 56 papers in Environmental Engineering, 40 papers in Soil Science and 31 papers in Management, Monitoring, Policy and Law. Recurrent topics in Keith Shepherd's work include Soil Geostatistics and Mapping (52 papers), Soil Carbon and Nitrogen Dynamics (28 papers) and Geochemistry and Geologic Mapping (26 papers). Keith Shepherd is often cited by papers focused on Soil Geostatistics and Mapping (52 papers), Soil Carbon and Nitrogen Dynamics (28 papers) and Geochemistry and Geologic Mapping (26 papers). Keith Shepherd collaborates with scholars based in Kenya, United States and United Kingdom. Keith Shepherd's co-authors include Markus Walsh, Bernard Vanlauwe, Andrew Sila, Pablo Tittonell, K.E. Giller, David J. Brown, M. D. Mays, Erick K. Towett, Georg Cadisch and Tor‐Gunnar Vågen and has published in prestigious journals such as Nature, SHILAP Revista de lepidopterología and PLoS ONE.

In The Last Decade

Keith Shepherd

135 papers receiving 7.6k 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.

Development of Reflectance Spectral Libraries for Characterization of Soil Properties

2002 758 citations Keith Shepherd, Markus Walsh Soil Science Society of America Journal profile →
Mapping Soil Properties of Africa at 250 m Resolution: Random Forests Significantly Improve Current Predictions

2015 662 citations Tomislav Hengl, G.B.M. Heuvelink et al. profile →
Global soil characterization with VNIR diffuse reflectance spectroscopy

2005 600 citations Keith Shepherd, Markus Walsh et al. Geoderma profile →
Integrated Soil Fertility Management

2010 466 citations Keith Shepherd et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Keith Shepherd Kenya	48	3.0k	2.9k	1.7k	1.3k	1.3k	136	8.1k
Alfred E. Hartemink United States	47	2.8k 0.9×	3.4k 1.2×	995 0.6×	1.1k 0.9×	1.3k 1.0×	215	7.4k
Kenneth A. Sudduth United States	48	3.9k 1.3×	2.4k 0.8×	739 0.4×	2.4k 1.8×	1.8k 1.4×	222	7.9k
Luca Montanarella Italy	66	3.9k 1.3×	9.7k 3.3×	1.2k 0.7×	1.9k 1.4×	4.8k 3.7×	203	19.2k
Eric C. Brevik United States	45	1.8k 0.6×	3.3k 1.2×	708 0.4×	1.0k 0.8×	1.6k 1.3×	218	7.9k
Arwyn Jones Italy	39	1.3k 0.4×	2.1k 0.7×	508 0.3×	835 0.6×	1.4k 1.1×	81	5.4k
Thomas Scholten Germany	52	2.9k 0.9×	3.6k 1.2×	944 0.5×	1.1k 0.9×	2.5k 1.9×	244	9.6k
Panos Panagos Italy	66	3.4k 1.1×	11.3k 3.9×	754 0.4×	1.4k 1.1×	5.7k 4.4×	217	18.5k
J. Bouma Netherlands	49	3.7k 1.2×	3.8k 1.3×	347 0.2×	1.3k 1.0×	1.4k 1.1×	225	9.8k
Cristiano Ballabio Italy	41	1.9k 0.6×	5.9k 2.0×	447 0.3×	789 0.6×	2.9k 2.3×	74	9.8k
D. J. Mulla United States	42	2.1k 0.7×	1.9k 0.7×	197 0.1×	2.3k 1.8×	2.7k 2.1×	254	8.6k

Countries citing papers authored by Keith Shepherd

Since Specialization

Citations

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

Fields of papers citing papers by Keith Shepherd

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Keith Shepherd

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

Safanelli, José Lucas, et al.. (2024). Building a near-infrared (NIR) soil spectral dataset and predictive machine learning models using a handheld NIR spectrophotometer. Data in Brief. 58. 111229–111229. 2 indexed citations

Fromm, Sophie F. von, Sebastian Döetterl, Benjamin Butler, et al.. (2023). Controls on timescales of soil organic carbon persistence across sub‐Saharan Africa. Global Change Biology. 30(1). e17089–e17089. 8 indexed citations

Herrick, Jeffrey E., Brandon T. Bestelmeyer, Chelsea J. Carey, et al.. (2023). Practical guidance for deciding whether to account for soil variability when managing for land health, agricultural production, and climate resilience. Journal of Soil and Water Conservation. 78(6). 1 indexed citations

Takoutsing, Bertin, G.B.M. Heuvelink, J.J. Stoorvogel, Keith Shepherd, & Ermias Aynekulu. (2022). Accounting for analytical and proximal soil sensing errors in digital soil mapping. European Journal of Soil Science. 73(2). 15 indexed citations

Fromm, Sophie F. von, Alison M. Hoyt, Markus Lange, et al.. (2021). Continental-scale controls on soil organic carbon across sub-Saharan Africa. SOIL. 7(1). 305–332. 60 indexed citations

Johnson, Jean‐Martial, Andrew Sila, Kalimuthu Senthilkumar, Keith Shepherd, & Kazuki Saito. (2021). Application of infrared spectroscopy for estimation of concentrations of macro- and micronutrients in rice in sub-Saharan Africa. Field Crops Research. 270. 108222–108222. 22 indexed citations

Butler, Benjamin, Javier Palarea‐Albaladejo, Keith Shepherd, et al.. (2020). Mineral–nutrient relationships in African soils assessed using cluster analysis of X-ray powder diffraction patterns and compositional methods. Geoderma. 375. 114474–114474. 43 indexed citations

Cooper, Matthew, Tomislav Hengl, Keith Shepherd, & G.B.M. Heuvelink. (2017). Soil Nutrient Stocks in Sub-Saharan Africa: Modeling Soil Nutrients Using Machine Learning. AGU Fall Meeting Abstracts. 2017. 1 indexed citations

Boman, Johan, et al.. (2016). Environmental implications of high metal content in soils of a titanium mining zone in Kenya. Environmental Science and Pollution Research. 23(21). 21431–21440. 12 indexed citations

10.

Sila, Andrew, Keith Shepherd, & Ganesh P. Pokhariyal. (2016). Evaluating the utility of mid-infrared spectral subspaces for predicting soil properties. Chemometrics and Intelligent Laboratory Systems. 153. 92–105. 54 indexed citations

11.

Kempen, Bas, Tomislav Hengl, G.B.M. Heuvelink, et al.. (2015). Soil property maps of Africa at 250 m resolution. Socio-Environmental Systems Modeling. 17. 5649. 2 indexed citations

12.

Jamnadass, Ramni, et al.. (2013). Limitations to Use of Infrared Spectroscopy for Rapid Determination of Carbon-Nitrogen and Wood Density for Tropical Species. 3(3). 21–28. 7 indexed citations

13.

Aynekulu, Ermias, Tor‐Gunnar Vågen, Keith Shepherd, & Leigh Winowiecki. (2011). A Protocol for measurement and monitoring soil carbon stocks in agricultural landscapes. CGSPace A Repository of Agricultural Research Outputs (Consultative Group for International Agricultural Research). 15 indexed citations

14.

Walsh, Markus, et al.. (2006). Land Degradation Surveillance: A Spatial Framework for Characterization, Research and Development. Soil Science. 160–168. 2 indexed citations

15.

Okeyo, Jeremiah M., et al.. (2006). Spatial Variation in Soil Organic Carbon within Smallholder Farms in Western Kenya: A geospatial Approach. TSpace. 14(1). 27–36. 5 indexed citations

16.

Shepherd, Keith & Markus Walsh. (2002). Development of Reflectance Spectral Libraries for Characterization of Soil Properties. Soil Science Society of America Journal. 66(3). 988–998. 758 indexed citations breakdown →

17.

Shepherd, Keith. (1999). VAV air conditioning systems. 6 indexed citations

18.

Shepherd, Keith. (1996). Instabilité mitotique chez les variétés de banane. Mitoses dans les cellules de plantes issues de la culture de méristèmes. Fruits. 51(3). 147–149. 1 indexed citations

19.

Shepherd, Keith, et al.. (1996). Instabilité mitotique des variétés de bananier. Plantes issues de cultures de cals et de méristèmes. Fruits. 51(1). 5–11. 8 indexed citations

20.

Gregory, Peter, Keith Shepherd, & P. J. M. Cooper. (1984). Effects of fertilizer on root growth and water use of barley in northern Syria. The Journal of Agricultural Science. 103(2). 429–438. 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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