Aplicación de técnicas de teledetección al estudio de la turbidez de las aguas litorales en la costa oriental de Gran Canaria mediante un modelo teórico
Keywords:
teledetección espacial, imágenes de satélite, modelo teórico, aguas litorales, costa oriental de Gran Canaria, índice de batimetría, turbidez, calidad de las aguas, remote sensing, satellite images, theoretical model, eastern coast of Gran Canaria,Abstract
La creciente presión antrópica sobre los litorales exige de las Administraciones la puesta en marcha de controles, con el fin de conocer —y garantizar— la calidad del medio natural, de tal forma que permitan estimar su deterioro y, en caso necesario, proceder a entablar medidas que posibiliten su salvaguarda. Con ello, además, se garantiza la protección de la sociedad frente a posibles afecciones inducidas por sus propias actividades. Entre los seguimientos que hoy cobran más interés se encuentra el control de la calidad de las aguas costeras, labor que se realiza, normalmente, mediante técnicas de muestreo y análisis sistemático de componentes. En este campo, las técnicas de Teledetección posibilitan un mejor y más exacto seguimiento, dadas las resoluciones de los sensores situados a bordo de plataformas espaciales. Siguiendo esta línea, este estudio pretende mostrar las posibilidades de estas técnicas, aplicando para ello un método de trabajo basado en un modelo teórico, que permite extraer los principales rasgos de un episodio de turbidez en la costa oriental de Gran Canaria.
The growing human activities on the coastal zones, cause to the Civil Services to take necessaries controls to know the quality of the environment, to estimate their damage, and if necessary, to establish steps to protect them; and also to protect the human societies from hypothetical illness induced by themselves. Among the more used controls today, the quality of coastal waters has got special interest, work usually made by systematic analysis of samples taken along the studies zones. In this field, remote sensing techniques guarantee a better and more exact control, due to the resolutions of sensors aboard space platforms. In this line, this study try to show the possibilities of these techniques, applying a work method based on a theoretical model, which allows us to extract the principal features of a turbidity episode in the eastern coast of Gran Canaria.
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