Additional sampling using in-situ portable X-ray fluorescence (PXRF) for rapid and high-precision investigation of soil heavy metals at a regional scale
Mingkai Qu, Xu Guang, Hongbo Liu, Yongcun Zhao, Biao Huang
Topics & Concepts
ResidualSampling (signal processing)In situEnvironmental scienceGaussianCategorical variableSoil scienceComputer scienceMathematicsStatisticsChemistryAlgorithmOrganic chemistryFilter (signal processing)Computer visionComputational chemistrySoil Geostatistics and MappingGeochemistry and Geologic MappingSpatial and Panel Data Analysis