The Brazilian Soil Spectral Service (BraSpecS): A User-Friendly System for Global Soil Spectra Communication

Although many Soil Spectral Libraries (SSLs) have been created globally, these libraries still not operationalized for end-users. To address this limitation, study an online Brazilian Service (BraSpecS). The system was based on the Library (BSSL) with samples collected in Visible–Near–Short-wave infrared (vis–NIR–SWIR) and Mid-infrared (MIR) ranges. interactive platform allows users to find spectra, act as custodians of data, estimate several soil properties classification. tested by 500 65 international users. Users accessed (besbbr.com.br), uploaded their received organic carbon (SOC) clay content prediction results via email. BraSpecS provided good but performed variably other countries. Prediction countries outside Brazil using local spectra (External Country Libraries, ExCSSL) mostly showed greater performance than BraSpecS. Clay R2 ranged from 0.5 (BraSpecS) 0.8 (ExCSSL) vis–NIR–SWIR, MIR models were more accurate most situations. development external fusion BSSL formed Global (GSSL). GSSL improved different Nevertheless, proposed needs be continually updated new so they can applied broadly. Accordingly, is dynamic, contribute data will adapt information. Our community-driven web predict attributes without learning spectral modeling, which invite end-users utilize powerful technique.