Leveraging the application of Earth observation data for mapping cropland soils in Brazil

José L. Safanelli,José A.M. Demattê,Sabine Chabrillat,Raul R. Poppiel,Rodnei Rizzo,André C. Dotto,Nélida E.Q. Silvero,Wanderson de S. Mendes,Benito R. Bonfatti,Luis F.C. Ruiz,Alexandre ten Caten,Ricardo S.D. Dalmolin

Geoderma（2021）

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摘要

•Spectral and terrain features for mapping cropland soils in Brazil.•Detailed soil spatial distribution and SOC stock was estimated in croplands.•Predicted maps revealed a high variability of topsoil among the cropped areas.•Earth Observation data is a valuable source for mapping and monitoring cropland soils.

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关键词

Digital soil mapping,Google Earth engine,Machine learning,Croplands,Remote sensing,Bare soil composite

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