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Projects > G - I > IAA_GEODESY

Preferred term

IAA_GEODESY  

Definition

  • Project No. 34 Years 2004 - 2007 The following is a list of project goals and activities: - Long-term GPS monitoring with L1/L2 geodetic receivers: Ashtech Z-XII3 at the Argentine Antarctic Stations Belgrano II, Orcadas and San Martin; and Trimble 4000SSi at Jubany. - GPS data processing in order to contribute to the ... improvement of an Antarctic Geodetic Reference System and the International Terrestrial Reference Frame (ITRF). A suitable scientific-level working tool needs first to be implemented (purchased/acquired) and familiarized with at Instituto Antartico Argentino (IAA). - Calculation of lithosphere surface velocities for each site. - Continued tide gauge sea level monitoring at San Martin and processing of the new data to determine mean sea level change signals. - Starting (after 2004/05) with a 1-year Earth Tides monitoring experiment at some Argentine Antarctic stations, sequentially (only one gravimeter available), to better understand the ocean loading effects in order to improve the GPS-derived geodetic results in the vertical component. - Deploy, jointly with Alfred Wegener Institute for Polar and Marine Research (AWI), a DORIS beacon at the Argentine Antarctic station Belgrano II for geodetic and geodynamic research purposes, and for supporting Earth monitoring satellite missions such as CryoSat. - Publishing and circulating the results among other disciplines for practical and/or scientific Antarctic use. Spanish Proyecto No. 34 Anos 2004 - 2007 - Registrar todos los observables GPS con receptores del tipo Ashtech Z-XII (Belgrano II, San Mart?n y Orcadas) y Trimble 4000SSi (Jubany). - Procesar los datos GPS con vistas a mejorar el sistema de referencia geodesico en Antartica y mejorar los sistemas ITRF (previa acquisicion de- y familiarizacion con- software GPS de nivel cientifico). - Calcular velocidades de desplazamiento de la litosfera en cada uno de los sitios. - Continuar con el Registro del Nivel del Mar en Base San Martin y procesar los nuevos datos para evaluar la posible detecci?n de eventuales cambios del nivel medio. - Implementar (a partir de 2004/05) un registro gravimetrico de Marea Terrestre en varias bases antarticas argentinas (secuencialmente, un ano en cada sitio por disponer de un solo instrumento) para comprender mejor los efectos de la carga oceanica y mejorar los resultados geodesicos derivados de GPS en la componente vertical. - Implementar, conjuntamente con el Alfred-Wegener-Institut fur Polar- und Meeresforschung (AWI), una radio_baliza DORIS en la base antartica argentina Belgrano II, con fines de investigacion geodesicos y geodinamicos y para respaldar misiones de monitoreo satelital terrestre tales como CryoSat. - Publicar los resultados y ponerlos al alcance de todas las otras areas con fines operativos y/o cient?ficos del pa?s en la Antartica (en)

Broader concept

URI

https://gcmd.earthdata.nasa.gov/kms/concept/16b86653-6e95-467b-a509-a462abb1d52e

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