Peer-reviewed journal articles
- Ge, Y., Morgan, C. L. S., & Wijewardane, N. K. (2019). Visible and Near-Infrared Reflectance Spectroscopy Analysis of Soils. Methods of Soil Analysis, 4. https://doi.org/10.2136/msa2017.0040
- Li, M., Wijewardane, N. K., Ge, Y., Xu, Z., & Wilkins, M. R. (2020). Visible/near infrared spectroscopy and machine learning for predicting polyhydroxybutyrate production cultured on alkaline pretreated liquor from corn stover. Bioresource Technology Reports, 100386. https://doi.org/https://doi.org/10.1016/j.biteb.2020.100386
- Liu, Z., Rady, A., Wijewardane, N. K., Shan, Q., Chen, H., Yang, S., Li, J., & Li, M. (2021). Fourier-transform infrared spectroscopy and machine learning to predict fatty acid content of nine commercial insects. Journal of Food Measurement and Characterization, 15(1), 953–960. https://doi.org/10.1007/s11694-020-00694-9
- Wijewardane, N. K., Ge, Y., & Morgan, C. L. S. (2016a). Moisture insensitive prediction of soil properties from VNIR reflectance spectra based on external parameter orthogonalization. Geoderma, 267, 92–101. https://doi.org/http://dx.doi.org/10.1016/j.geoderma.2015.12.014
- Wijewardane, N. K., Ge, Y., & Morgan, C. L. S. (2016b). Prediction of soil organic and inorganic carbon at different moisture contents with dry ground VNIR: a comparative study of different approaches. European Journal of Soil Science, 67(5), 605–615. https://doi.org/10.1111/ejss.12362
- Wijewardane, N. K., Ge, Y., Sanderman, J., & Ferguson, R. (2020). Fine grinding is needed to maintain the high accuracy of MIR spectroscopy for soil property estimation. Soil Science Society of America Journal, n/a(n/a). https://doi.org/https://doi.org/10.1002/saj2.20194
- Wijewardane, N. K., Ge, Y., Sihota, N., Hoelen, T., Miao, T., & Weindorf, D. C. (2020). Predicting total petroleum hydrocarbons in field soils with VisNIR models developed on laboratory-constructed samples. Journal of Environmental Quality, n/a(n/a). https://doi.org/10.1002/jeq2.20102
- Wijewardane, N. K., Ge, Y., Wills, S., & Libohova, Z. (2018). Predicting physical and chemical properties of us soils with a mid-infrared reflectance spectral library. Soil Science Society of America Journal, 82(3). https://doi.org/10.2136/sssaj2017.10.0361
- Wijewardane, N. K., Ge, Y., Wills, S., & Loecke, T. (2016). Prediction of Soil Carbon in the Conterminous United States: Visible and Near Infrared Reflectance Spectroscopy Analysis of the Rapid Carbon Assessment Project. Soil Science Society of America Journal, 80(4), 973–982. https://doi.org/10.2136/sssaj2016.02.0052
- Wijewardane, N. K., Hetrick, S., Ackerson, J., Morgan, C. L. S., & Ge, Y. (2020). VisNIR integrated multi-sensing penetrometer for in situ high-resolution vertical soil sensing. Soil and Tillage Research, 199, 104604. https://doi.org/https://doi.org/10.1016/j.still.2020.104604
- Yuan, W., Wijewardane, N. K., Jenkins, S., Bai, G., Ge, Y., & Graef, G. L. (2019). Early Prediction of Soybean Traits through Color and Texture Features of Canopy RGB Imagery. Scientific Reports, 9(1). https://doi.org/10.1038/s41598-019-50480-x
Conference Proceedings, Presentations, and Abstracts
- Koide, T, Nagamori, M., Watanabe, Y., Isobe, Y., Wijewardane, N. K., Herath, G. B. B., Mowjood, M. I. M., & Kawamoto, K. (2013). Spatial variation in landfill gas composition under different precipitation condition and waste age in Sri Lanka. In R. Dissanayake, M. T. R. Jayasinge, P. A. Mendis, S. Fernando, & J. Y. Ruwanpura (Eds.), International Conference in Sustainable Built Environment.
- Koide, T, Nagamori, M., Wijewardane, N. K., Watanabe, Y., Isobe, Y., Herath, G. B. B., Mowjood, M. I. M., & Kawamoto, K. (2013). Spatial variation in landfill gas composition in Sri Lankan landfills. In SARDINIA 2013, Fourteenth International Waste Management and Landfill Symposium.
- Koide, Takahiro, Nagamori, M., Wijewardane, N. K., Watababe, Y., Isobe, Y., Mowjood, M. I. M., & Kawamoto, K. (2013). Landfill gases at an abandoned open dump: a case study at Udapalatha/Gampola site in the Central Province of Sri Lanka. International Symposium on Advances in Civil and Environmental Engineering Practices for Sustainable Development, 211–216.
- Nagamori, M., Isobe, Y., Watanabe, Y., Wijewardane, N. K., Mowjood, M. I. M., Koide, T., & Kawamoto, K. (2013). Characterization of major and trace components in gases generated from municipal solid waste landfills in Sri Lanka. In SARDINIA 2013, Fourteenth International Waste Management and Landfill Symposium.
- Nagamori, M., Isobe, Y., Watanabe, Y., Wijewardane, N. K., Mowjood, M. I. M., Koide, T., & Kawamoto, K. (2012). Comparison of several landfill gas compositions between Japan and Sri Lanka. The 7th Asian Pacific Landfill Symposium, 19, 558–564.
- Nagamori, M., Koide, T., Wijewardane, N. K., Watanabe, Y., Isobe, Y., Mowjood, M. I. M., Ishigaki, T., & Kawamoto, K. (2013). Flux measurements of greenhouse gases from an abandoned open dumping site of solid waste in Sri Lanka. International Conference in Sustainable Built Environment.
- Sanderman, J., Dangal, S. R. S., Todd-Brown, K. E., Hengl, T., Ferguson, R. R., Ge, Y., Rivard, C., van Egmond, F. M., Savage, K. E., Shepherd, K., & Wijewardane, N. K. (2020). Filling the soil data gap. AGU Fall Meeting 2020.
- Wijewardane, N. K., & Ge, Y. (2015). Comparison of EPO and DS in Removing the Moisture Effect from Soil Vis-NIR Reflectance Spectra. ASA, CSSA & SSSA International Annual Meetings.
- Wijewardane, N. K., & Ge, Y. (2016). Laboratory evaluation of two VNIR optical sensor designs for vertical soil sensing. In 13th International Conference on Precision Agriculture.
- Wijewardane, N. K., Ge, Y., & Bai, G. (2015). Potential of EPO in moisture-independent prediction of intact soil properties from dry ground soil VisNIR reflectance spectra. 2015 ASABE Annual International Meeting.
- Wijewardane, N. K., Ge, Y., & Morgan, C. L. S. (2017). An integrated VNIR penetrometer system for vertical soil sensing. 2017 ASABE Annual International Meeting.
- Wijewardane, N. K., Ge, Y., & Morgan, C. L. S. (2018). Field testing of a novel VNIR penetrometer system for vertical soil sensing. 2018 ASABE Annual International Meeting.
- Wijewardane, N. K., Ge, Y., Morgan, C. L. S., & Ackerson, J. P. (2017). A VNIR penetrometer for soil profile sensing. Pedometrics 2017.
- Wijewardane, N. K., Ge, Y., Wills, S., & Loecke, T. (2016). Predicting soil properties using a national VNIR library: comparison of modeling techniques and their computational resource use. 2016 ASABE Annual International Meeting.
- Wijewardane, N. K., Hetrick, S., Ackerson, J., Morgan, C. L. S., & Ge, Y. (2019). Automated, in-situ, and high-resolution vertical soil sensing with a VisNIR Penetrometer System. International Soils Meeting, Soil Science Society of America.
- Wijewardane, N. K., Koide, T., Mowjood, M. I. M., Nagamori, M., Kawamoto, K., & Herath, G. B. B. (2013). Clustering open dumpsites in Sri Lanka based on waste characteristics. In SARDINIA 2013, Fourteenth International Waste Management and Landfill Symposium.
- Wijewardane, N. K., Takahiro, K., Ken, K., Mowjood, M. I. M., & Herath, G. B. B. (2013). A statistical approach for landfill classification in Sri Lanka based on waste characteristics. International Conference in Sustainable Built Environment.
- Wijewardane, N. K., Takahiro, K., Mowjood, M. I. M., Ken, K., & Kurukulasuriya, L. C. (2013). Characteristics of municipal solid wastes from selected plots located at up-slope and down-slope of the dumping site: A case study in Udapalatha/Gampola. International Symposium on Advances in Civil and Environmental Engineering Practices for Sustainable Development.
- Wijewardane, N. K., Wang, L., Zhan, Y., Franz, T., Yu, H., Zhou, Y., Shi, Y., & Ge, Y. (2019). Mapping Infield Variability of Soil Properties to Support Precision Agriculture Using UAV, Multi-Depth EC, and Aerial Hyperspectral Imagery. 5th Global Workshop on Proximal Soil Sensing.