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SEMI-BLIND SOURCE SEPARATION FOR ESTIMATION OF CLAY CONTENT OVER SEMI-VEGETATED AREAS,FROM VNIR/SWIR HYPERSPECTRAL AIRBORNE DATA
Hyperspectral remote sensing Semi-Blind source separation Non-Negative Matrix Factorization partial least squares regression clay content semi-vegetated pixels
2015/9/21
The applicability of Visible, Near-Infrared and Short Wave Infrared (VNIR/SWIR) hyperspectral imagery for soil property mapping decreases when surfaces are partially covered by vegetation. The objecti...
USING LEGACY SOIL DATA FOR STANDARDIZING PREDICTIONS OF TOPSOIL CLAY CONTENT OBTAINED FROM VNIR/SWIR HYPERSPECTRAL AIRBORNE IMAGES
VNIR/SWIR spectroscopy Airborne remote sensing Clay content mapping Legacy soil data Spectral indexes Mediterranean context
2015/9/21
Mapping of topsoil properties using Visible, Near-Infrared and Short Wave Infrared (VNIR/SWIR) hyperspectral imagery requires large sets of ground measurements for calibrating the models that estimate...
Mineralization of nitrogen from 15N labeled crop residues at varying temperature and clay content
Rice and wheat residues straw N-mineralization immobilization
2011/2/22
A laboratory incubation experiment was carried out for 85 days to monitor the N mineralization during the decomposition of 15N labeled wheat and rice straws incorporated at 5 g kg-1 soil at varying te...
Effects of Soil Clay Content on Water Balance and Productivity in Rainfed Lowland Rice Ecosystem in Northeast Thailand
Oryza sativa Paddy Percolation Seepage Water table
2009/7/23
Water availability is one of the determinants of productivity of rainfed lowland rice (Oryza sativa L.). Quantifying water losses from a paddy field, such as deep percolation and lateral seepage, assi...
The Influence of Clay Content, Organic Carbon and Land Use Types on Soil Aggregate Stability and Tensile Strength
Tensile strength GIS soil aggregate stability organic carbon clay content
2009/1/13
Soil tensile strength (TS) and aggregate stability (AS) values can be used as indicators of soil structural quality. The objective of this study was to determine the influences of land use types, soil...