Publication: Evaluación, análisis espacial y tratamiento de imágenes Sentinel 2. Índices de vegetación y humedad de la cuenca mediterránea andaluza.
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2022-10-17
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Abstract
La necesidad de conocer el estado hídrico del suelo y su evolución para un aprovechamiento eficaz del agua por parte de los agricultores es cada vez mayor. Los agricultores deben tener la posibilidad de monitorear los riegos y conocer las lluvias con precisión para mejorar la eficacia de aplicación de riegos. En zonas con climas áridos o semiáridos como es el caso de este trabajo, el riego es una variable fundamental para la correcta producción de cultivos. Para un buen control de éste es necesario saber el estado hídrico del suelo, concretamente su capacidad de campo, en otras palabras, su retención de agua útil capaz de ser absorbida por el cultivo.
El presente trabajo tiene como objetivo la exploración y evaluación espacial de la cuenca mediterránea andaluza. Para ello se hace uso de diferentes técnicas y metodologías dentro del ámbito de la teledetección, sistemas de información geográfica, la cartografía y la edafología las cuales se van desarrollando y explicando a lo largo del documento.
Los resultados obtenidos muestran como las plataformas de imágenes satélite y la teledetección son herramientas convenientes para la evaluación y exploración espacial de grandes superficies. En el caso de este trabajo, las imágenes Sentinel-2 son adecuadas para obtener un buen resultado y alcanzar muchos de los objetivos que se puedan plantear en un futuro.
Palabras clave: Teledetección, Agua, Sistemas de información geográfica, Sentinel.
The need to know the water status of the soil and its evolution for an effective use of water by farmers is increasing. Farmers must be able to accurately monitor irrigation and rainfall to improve irrigation application efficiency. In areas with arid or semi-arid climates, as is the case in this work, irrigation is a fundamental variable for the correct production of crops. For good control of this, it is necessary to know the water status of the soil, specifically its field capacity, in other words, its retention of useful water capable of being absorbed by the crop The objective of this work is the exploration and spatial evaluation of the Andalusian Mediterranean watershed. Different techniques and methodologies are used within the field of remote sensing, geographic information systems, cartography and soil science, which are developed and explained throughout the document. The results obtained show that satellite imaging platforms and remote sensing are convenient tools for the evaluation and spatial exploration of large surfaces. In the case of this work, the Sentinel-2 images are adequate to obtain a good result and achieve many of the objectives that may be set in the future. Keywords: Remote Sensing, Water, Geographic Information Systems, Sentinel.
The need to know the water status of the soil and its evolution for an effective use of water by farmers is increasing. Farmers must be able to accurately monitor irrigation and rainfall to improve irrigation application efficiency. In areas with arid or semi-arid climates, as is the case in this work, irrigation is a fundamental variable for the correct production of crops. For good control of this, it is necessary to know the water status of the soil, specifically its field capacity, in other words, its retention of useful water capable of being absorbed by the crop The objective of this work is the exploration and spatial evaluation of the Andalusian Mediterranean watershed. Different techniques and methodologies are used within the field of remote sensing, geographic information systems, cartography and soil science, which are developed and explained throughout the document. The results obtained show that satellite imaging platforms and remote sensing are convenient tools for the evaluation and spatial exploration of large surfaces. In the case of this work, the Sentinel-2 images are adequate to obtain a good result and achieve many of the objectives that may be set in the future. Keywords: Remote Sensing, Water, Geographic Information Systems, Sentinel.