Articles | Volume 7, issue 2
SOIL, 7, 693–715, 2021
https://doi.org/10.5194/soil-7-693-2021

Special issue: Tropical biogeochemistry of soils in the Congo Basin and the...

SOIL, 7, 693–715, 2021
https://doi.org/10.5194/soil-7-693-2021

Original research article 26 Oct 2021

Original research article | 26 Oct 2021

The central African soil spectral library: a new soil infrared repository and a geographical prediction analysis

Laura Summerauer et al.

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Latest update: 28 Jan 2022
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Short summary
We present a soil mid-infrared library with over 1800 samples from central Africa in order to facilitate soil analyses of this highly understudied yet critical area. Together with an existing continental library, we demonstrate a regional analysis and geographical extrapolation to predict total carbon and nitrogen. Our results show accurate predictions and highlight the value that the data contribute to existing libraries. Our library is openly available for public use and for expansion.