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Journal Article

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

Authors

Demattê,  José A. M.
External Organizations;

Paiva,  Ariane Francine da Silveira
External Organizations;

Poppiel,  Raul Roberto
External Organizations;

Rosin,  Nícolas Augusto
External Organizations;

Ruiz,  Luis Fernando Chimelo
External Organizations;

Mello,  Fellipe Alcantara de Oliveira
External Organizations;

Minasny,  Budiman
External Organizations;

Grunwald,  Sabine
External Organizations;

Ge,  Yufeng
External Organizations;

Ben Dor,  Eyal
External Organizations;

Gholizadeh,  Asa
External Organizations;

Gomez,  Cecile
External Organizations;

/persons/resource/chabri

Chabrillat,  S.
1.4 Remote Sensing, 1.0 Geodesy, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

Francos,  Nicolas
External Organizations;

Ayoubi,  Shamsollah
External Organizations;

Fiantis,  Dian
External Organizations;

Biney,  James Kobina Mensah
External Organizations;

Wang,  Changkun
External Organizations;

Belal,  Abdelaziz
External Organizations;

Naimi,  Salman
External Organizations;

Hafshejani,  Najmeh Asgari
External Organizations;

Bellinaso,  Henrique
External Organizations;

Moura-Bueno,  Jean Michel
External Organizations;

Silvero,  Nélida E. Q.
External Organizations;

External Ressource
No external resources are shared
Fulltext (public)

5015265.pdf
(Publisher version), 7MB

Supplementary Material (public)
There is no public supplementary material available
Citation

Demattê, J. A. M., Paiva, A. F. d. S., Poppiel, R. R., Rosin, N. A., Ruiz, L. F. C., Mello, F. A. d. O., Minasny, B., Grunwald, S., Ge, Y., Ben Dor, E., Gholizadeh, A., Gomez, C., Chabrillat, S., Francos, N., Ayoubi, S., Fiantis, D., Biney, J. K. M., Wang, C., Belal, A., Naimi, S., Hafshejani, N. A., Bellinaso, H., Moura-Bueno, J. M., Silvero, N. E. Q. (2022): The Brazilian Soil Spectral Service (BraSpecS): A User-Friendly System for Global Soil Spectra Communication. - Remote Sensing, 14, 3, 740.
https://doi.org/10.3390/rs14030740


Cite as: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5015265
Abstract
Although many Soil Spectral Libraries (SSLs) have been created globally, these libraries still have not been operationalized for end-users. To address this limitation, this study created an online Brazilian Soil Spectral Service (BraSpecS). The system was based on the Brazilian Soil Spectral Library (BSSL) with samples collected in the Visible–Near–Short-wave infrared (vis–NIR–SWIR) and Mid-infrared (MIR) ranges. The interactive platform allows users to find spectra, act as custodians of the data, and estimate several soil properties and classification. The system was tested by 500 Brazilian and 65 international users. Users accessed the platform (besbbr.com.br), uploaded their spectra, and received soil organic carbon (SOC) and clay content prediction results via email. The BraSpecS prediction provided good results for Brazilian data, but performed variably for other countries. Prediction for countries outside of Brazil using local spectra (External Country Soil Spectral Libraries, ExCSSL) mostly showed greater performance than BraSpecS. Clay R2 ranged from 0.5 (BraSpecS) to 0.8 (ExCSSL) in vis–NIR–SWIR, but BraSpecS MIR models were more accurate in most situations. The development of external models based on the fusion of local samples with BSSL formed the Global Soil Spectral Library (GSSL). The GSSL models improved soil properties prediction for different countries. Nevertheless, the proposed system needs to be continually updated with new spectra so they can be applied broadly. Accordingly, the online system is dynamic, users can contribute their data and the models will adapt to local information. Our community-driven web platform allows users to predict soil attributes without learning soil spectral modeling, which will invite end-users to utilize this powerful technique.