Articles | Volume 7, issue 2
https://doi.org/10.5194/soil-7-525-2021
https://doi.org/10.5194/soil-7-525-2021
Original research article
 | 
18 Aug 2021
Original research article |  | 18 Aug 2021

Developing the Swiss mid-infrared soil spectral library for local estimation and monitoring

Philipp Baumann, Anatol Helfenstein, Andreas Gubler, Armin Keller, Reto Giulio Meuli, Daniel Wächter, Juhwan Lee, Raphael Viscarra Rossel, and Johan Six

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Latest update: 13 Jun 2024
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Short summary
We developed the Swiss mid-infrared spectral library and a statistical model collection across 4374 soil samples with reference measurements of 16 properties. Our library incorporates soil from 1094 grid locations and 71 long-term monitoring sites. This work confirms once again that nationwide spectral libraries with diverse soils can reliably feed information to a fast chemical diagnosis. Our data-driven reduction of the library has the potential to accurately monitor carbon at the plot scale.