Mapping of irrigated vineyard areas through the use of machine learning techniques and remote sensing

Esther López-Pérez, Carles Sanchis-Ibor, Miguel Ángel Jiménez-Bello and Manuel Pulido-Velazquez

Agricultural Water Management, 2024, vol. 302, issue C

Abstract: Effective and sustainable management of aquifers in regions with intensive groundwater use for irrigation requirements accurate mapping or irrigated areas to control water resource exploitation and plan rational water usage. This study proposes a cost-effective methodology based on satellite images to identify irrigated areas utilizing surface water and groundwater resources. The methodology integrates soil moisture estimations, environmental variables, and variables that affect to retention of water soil, that join a ground truth dataset, to estimate irrigated surface through a machine learning method during the irrigation period of 2021. Spectral data derived parameters and crop morphology, along with official data on agricultural parcels, were utilized to define vineyard irrigation areas at the plot scale within the Requena-Utiel aquifer in Eastern Spain. A machine learning classification technique was applied,yielding a remarkable precision of 91.8 % when compared to ground truth data.Discrepancies between the remote sensing-based irrigated area estimation and official data are highlighted. This study represents the most accurate plot-scale irrigation mapping of woody crops in the region to date.

Keywords: Irrigated area; Machine Learning; Remote sensing; Soil moisture (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:eee:agiwat:v:302:y:2024:i:c:s0378377424003238

DOI: 10.1016/j.agwat.2024.108988

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