A PLSR model to predict soil salinity using Sentinel-2 MSI data
نویسندگان
چکیده
Abstract Salinization is one of the most widespread environmental threats in arid and semi-arid regions that occur either naturally or artificially within soil. When exceeding thresholds, salinity becomes a severe danger, damaging agricultural production, water soil quality, biodiversity, infrastructures. This study used spectral indices, including vegetation Sentinel-2 MSI original bands, DEM, to model Great Hungarian Plain. Eighty-one samples upper 30 cm surface were collected from vegetated nonvegetated areas by Research Institute for Soil Sciences Agricultural Chemistry (RISSAC). The sampling campaign monitoring was performed dry season enhance salt characteristics during its accumulation subsoil. Hence, applying partial least squares regression (PLSR) between content (g/kg) remotely sensed data manifested highly moderate correlation with coefficient determination R 2 0.68, p -value 0.000017, root mean square error 0.22. final can be deployed highlight levels area assist understanding efficacy land management strategies.
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ژورنال
عنوان ژورنال: Open Geosciences
سال: 2021
ISSN: ['2391-5447']
DOI: https://doi.org/10.1515/geo-2020-0286