AGGO como estación de referencia para la materialización del Sistema de Referencia Internacional de Altura (IHRS)
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https://doi.org/10.24215/18527744e008Palabras clave:
AGGO, IHRS, IHRF, sistema unificado de alturas, coordenadas verticalesResumen
La estandarización de los sistemas de altura físicos a nivel mundial constituye uno de los objetivos centrales del Sistema de Observación Geodésico Global (GGOS) de la Asociación Internacional de Geodesia (IAG). En este contexto, se ha desarrollado el Sistema de Referencia Internacional de Altura (IHRS) y su realización, el Marco de Referencia Internacional de Altura (IHRF), con el fin de establecer un marco de referencia vertical coherente y preciso. Argentina participa activamente en esta iniciativa mediante la integración de siete estaciones de referencia al IHRF. Este trabajo describe y compara tres estrategias para el cálculo de la coordenada vertical IHRF en la estación del Observatorio Argentino-Alemán de Geodesia (AGGO): (i) modelos globales del campo de gravedad de alta resolución (GGM-HR); (ii) modelado regional preciso de geoide y cuasigeoide; y (iii) unificación de los sistemas de alturas locales al IHRF. Esta contribución es un paso fundamental hacia la consolidación de una solución oficial del IHRF y en la vinculación del marco vertical argentino al sistema global.
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