research – Leo Ramirez-Lopez

Here are some of my research publications

Schmidinger, Jonas, Sebastian Vogel, Viacheslav Barkov, et al. 2025. “LimeSoDa: A Dataset Collection for Benchmarking of Machine Learning Regressors in Digital Soil Mapping.” Geoderma 459: 117337.

Summerauer, Laura, Fernando Bamba, Bendicto Akoraebirungi, et al. 2025. “Rapid Soil Degradation Following Deforestation in Eastern Africa.” EGUsphere 2025: 1–52.

Wadoux, Alexandre MJ-C, and Leonardo Ramirez-Lopez. 2025. “Uncertainty of Predictions in Absorption Spectroscopy: Modelling with Quantile Regression Forest.” Chemometrics and Intelligent Laboratory Systems, 105473.

Wadoux, A, L Ramirez-Lopez, Y Ge, I Barra, and Y Peng. 2025. A Course on Applied Data Analytics for Soil Analysis with Infrared Spectroscopy.

Rossel, Raphael A Viscarra, Zefang Shen, Leonardo Ramirez Lopez, et al. 2024. “An Imperative for Soil Spectroscopic Modelling Is to Think Global but Fit Local with Transfer Learning.” Earth-Science Reviews 254: 104797.

Summerauer, Laura, Fernando Bamba, Bendicto Akoraebirungi, et al. 2024. “Parent Material Modulated Effects of Soil Degradation on Fertility and Organic Carbon of Tropical Cropland Soils in Eastern Africa.” EGUsphere, EGU24–15313.

Behrens, Thorsten, Raphael A Viscarra Rossel, Leonardo Ramirez-Lopez, and Philipp Baumann. 2022. “Soil Spectroscopy with the Gaussian Pyramid Scale Space.” Geoderma 426: 116095.

Shen, Zefang, Leonardo Ramirez-Lopez, Thorsten Behrens, et al. 2022. “Deep Transfer Learning of Global Spectra for Local Soil Carbon Monitoring.” ISPRS Journal of Photogrammetry and Remote Sensing 188: 190–200.

Viscarra Rossel, Raphael A, Thorsten Behrens, Eyal Ben-Dor, et al. 2022. “Diffuse Reflectance Spectroscopy for Estimating Soil Properties: A Technology for the 21st Century.” European Journal of Soil Science 73 (4): e13271.

Summerauer, L, P Baumann, L Ramirez-Lopez, et al. 2021. The Central African Soil Spectral Library: A New Soil Infrared Repository and a Geographical Prediction Analysis. SOIL 7 (2), 693–715.

Dı́az Rangel, César Augusto, Nathalia Marı́a Forero Cabrera Forero Cabrera, Leonardo Ramı́rez López Ramı́rez López, Alexis González Dı́az, and Carlos Alberto Fernández Botı́a. 2020. NIR Technology for Palm Oil Mills: Optimization of Quality Results of Oils and by-Products to Take Strategic Decisions During Fruit Processing.

Stevens, A, and L Ramirez-Lopez. 2020. An Introduction to the Prospectr Package (r Package Vignette r Package Version 0.2. 0). Comprehensive R Archive Network. https://cran. rproject. org/web/packages ….

Stevens, A, L Ramirez-Lopez, and LR Lopez. 2020. Package “Prospectr”: Miscellaneous Functions for Processing and Sample Selection of Spectroscopic Data.

Dangal, S, J Sanderman, S Wills, and L Ramirez-Lopez. 2019. Accurate and Precise Prediction of Soil Properties from a Large Mid-Infrared Spectral Library, Soil Systems, 3, 11.

Jaconi, Angelica, Christopher Poeplau, L Ramirez-Lopez, B Van Wesemael, and Axel Don. 2019. “Log-Ratio Transformation Is the Key to Determining Soil Organic Carbon Fractions with Near-Infrared Spectroscopy.” European Journal of Soil Science 70 (1): 127–39.

Ramirez-Lopez, Leonardo, AMJ-C Wadoux, Marston HD Franceschini, et al. 2019. “Robust Soil Mapping at the Farm Scale with Vis–NIR Spectroscopy.” European Journal of Soil Science 70 (2): 378–93.

VASQUES, G de M, JAM DEMATTÊ, RA VISCARRA ROSSEL, FS RAMÍREZ-LÓPEZ, FS TERRA, and R RIZZO. 2019. Enhancing Digital Soil Mapping in Southeastern Brazil: Incorporating Stream Density and Soil Reflectance from Multiple Depths.

Jaconi, A, C Poeplau, L Ramirez-Lopez, Bas van Wesemael, and A Don. 2018. “Log-Ratio Transformation Is the Key to Determining Soil Organic Carbon Fractions with Near-Infrared Spectroscopy: Determining SOC Fractions Using NIRS.” European Journal of Soil Science 70: 127.

Demattê, José AM, L Ramirez-Lopez, Karina Patricia Prazeres Marques, and Arnaldo Antonio Rodella. 2017. “Chemometric Soil Analysis on the Determination of Specific Bands for the Detection of Magnesium and Potassium by Spectroscopy.” Geoderma 288: 8–22.

Demattê, José AM, Julianne de Castro Oliveira, Tiago Rodrigues Tavares, et al. 2016. “Soil Chemical Alteration Due to Slaughterhouse Waste Application as Identified by Spectral Reflectance in são Paulo State, Brazil: An Environmental Monitoring Useful Tool.” Environmental Earth Sciences 75 (18): 1277.

Demattê, José AM, Leonardo Ramirez-Lopez, Rodnei Rizzo, et al. 2016. “Remote Sensing from Ground to Space Platforms Associated with Terrain Attributes as a Hybrid Strategy on the Development of a Pedological Map.” Remote Sensing 8 (10): 826.

Ramirez-Lopez, Leonardo, Antoine Stevens, R Viscarra Rossel, C Lobsez, A Wadoux, and T Breure. 2016. “Resemble: Regression and Similarity Evaluation for Memory-Based Learning in Spectral Chemometrics.” R Package Version 1 (2).

Rossel, RA Viscarra, T Behrens, E Ben-Dor, et al. 2016. “A Global Spectral Library to Characterize the World’s Soil.” Earth-Science Reviews 155: 198–230.

Walthert, L, M Scherler, M Stähli, et al. 2016. Böden Und Wasserhaushalt von wäldern Und Waldstandorten Der Schweiz Unter Heutigem Und Zukünftigem Klima (BOWA-CH). ETH-Zürich.

Nocita, Marco, Antoine Stevens, Bas van Wesemael, et al. 2015. “Soil Spectroscopy: An Alternative to Wet Chemistry for Soil Monitoring.” Advances in Agronomy 132: 139–59.

Stevens, Antoine, Leonardo Ramirez-Lopez, Maintainer Antoine Stevens, and LinkingTo Rcpp. 2015. “Package ‘Prospectr’.” In Package “Prospectr.”

Vasques, Gustavo M, José AM Demattê, Raphael A Viscarra Rossel, et al. 2015. “Integrating Geospatial and Multi-Depth Laboratory Spectral Data for Mapping Soil Classes in a Geologically Complex Area in Southeastern b Razil.” European Journal of Soil Science 66 (4): 767–79.

Wesemael, Bas van, Antoine Stevens, Carole Noon, et al. 2015. Soil Spectroscopy: An Alternative to Wet Chemistry for Soil Monitoring.

Behrens, Thorsten, Karsten Schmidt, Leonardo Ramirez-Lopez, John Gallant, A-Xing Zhu, and Thomas Scholten. 2014. “Hyper-Scale Digital Soil Mapping and Soil Formation Analysis.” Geoderma 213: 578–88.

Ramirez-Lopez, Leonardo, Karsten Schmidt, Thorsten Behrens, Bas Van Wesemael, Jose AM Demattê, and Thomas Scholten. 2014. “Sampling Optimal Calibration Sets in Soil Infrared Spectroscopy.” Geoderma 226: 140–50.

Ramirez-Lopez, L, and A Stevens. 2014. “Pre-Processing, Sampling and Modelling (Soil) Vis-IR Data Using the ‘Prospectr’and ‘Resemble’packages.” Pedometron 34: 9–14.

Ramı́rez López, Leonardo, Andreas Jürg Papritz, Madlene Nussbaum, Lorenz Walthert, and Andri Baltensweiler. 2014. “Modeling Soil Density in Swiss Forests: From Pedotransfer Functions to High-Resolution Digital Maps.” Digital Soil Mapping Workshop.

Schmidt, K, Thorsten Behrens, J Daumann, et al. 2014. “A Comparison of Calibration Sampling Schemes at the Field Scale.” Geoderma 232: 243–56.

Stevens, Antoine, and Leonardo Ramirez-Lopez. 2014. An Introduction to the Prospectr Package. February.

Vasques, GM, José Alexandre Melo Demattê, Raphael A Viscarra Rossel, L Ramirez-Lopez, and FS Terra. 2014. “Soil Classification Using Visible/Near-Infrared Diffuse Reflectance Spectra from Multiple Depths.” Geoderma 223: 73–78.

Ramirez-Lopez, Leonardo. 2013. “Sampling Design and Machine Learning Optimization for the Application of Soil Sensing Data in Digital Soil Mapping.” PhD thesis, Dissertation, Tübingen, Universität Tübingen, 2013.

Ramirez-Lopez, Leonardo, Thorsten Behrens, Karsten Schmidt, Antoine Stevens, Jose Alexandre M Demattê, and Thomas Scholten. 2013. “The Spectrum-Based Learner: A New Local Approach for Modeling Soil Vis–NIR Spectra of Complex Datasets.” Geoderma 195: 268–79.

Ramirez-Lopez, Leonardo, T Behrens, K Schmidt, RA Viscarra Rossel, José Alexandre Melo Demattê, and T Scholten. 2013. “Distance and Similarity-Search Metrics for Use with Soil Vis–NIR Spectra.” Geoderma 199: 43–53.