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Masters thesis of geospatial sciences development of a precise gravimetric geoid model for argentina

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Masters thesis of geospatial sciences development of a precise gravimetric geoid model for argentina
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Masters thesis of geospatial sciences development of a precise gravimetric geoid model for argentina

•RMITUNIVERSITYDevelopment of a Precise Gravimetric Geoid Model for ArgentinaA thesis submitted in fulfilment of the requirements for the degree of Ma

Masters thesis of geospatial sciences development of a precise gravimetric geoid model for argentinaaster of Science in Geospatial SciencesDiego Alejandro PinonB. Surv. Eng.School of Mathematical and Geospatial SciencesCollege of Science Engineering

and HealthRMIT University42430DeclarationI certify that except where due acknowledgement has been made, the work is that of the author alone; the work Masters thesis of geospatial sciences development of a precise gravimetric geoid model for argentina

has not been submitted previously. In whole or in part, to qualify for any other academic award: the content of the thesis is the result of work whic

Masters thesis of geospatial sciences development of a precise gravimetric geoid model for argentina

h has been carried out since the official commencement date of the approved research program: any editorial work, paid or unpaid, carried out by a thi

•RMITUNIVERSITYDevelopment of a Precise Gravimetric Geoid Model for ArgentinaA thesis submitted in fulfilment of the requirements for the degree of Ma

Masters thesis of geospatial sciences development of a precise gravimetric geoid model for argentina are to study the shape of the Earth, its gravity field and the geoid which is an equipotential surface closest to the mean sea level. Precise geoid d

etermination has been an important research topic in geodesy and geophysics in the past two decades. Scientists and government agencies all around the Masters thesis of geospatial sciences development of a precise gravimetric geoid model for argentina

world have made great efforts on the development of high-accuracy geoid models. These geoid models are developed not only for scientific applications

Masters thesis of geospatial sciences development of a precise gravimetric geoid model for argentina

, but also for other purposes such as serving for a reference surface for mapping, sea level monitoring and natural resources exploitation and managem

•RMITUNIVERSITYDevelopment of a Precise Gravimetric Geoid Model for ArgentinaA thesis submitted in fulfilment of the requirements for the degree of Ma

Masters thesis of geospatial sciences development of a precise gravimetric geoid model for argentinarapid development of GPS/GNSS technologies. Geoid models allow transforming ellipsoidal heights, which are relatively easily determined from GPS/GNSS

observations, into physical heights, which are associated to the Earth's gravity field, without the need for expensive and time-consuming spirit-level Masters thesis of geospatial sciences development of a precise gravimetric geoid model for argentina

ling. Physical heights are used for mapping, engineering and civil engineering infrastructure since they indicate the flow direction of fluids, due to

Masters thesis of geospatial sciences development of a precise gravimetric geoid model for argentina

the fact that fluids are attracted by the gravity of the Earth rather than geometric height differences.Moreover, vertical datums have been historica

•RMITUNIVERSITYDevelopment of a Precise Gravimetric Geoid Model for ArgentinaA thesis submitted in fulfilment of the requirements for the degree of Ma

Masters thesis of geospatial sciences development of a precise gravimetric geoid model for argentina topography effect, which is mainly caused by the sea dynamics and other meteorological processes, observations from different tide gauges do not comm

only coincide. Therefore, when vertical datums are separated by oceans or other bodies of water, direct methods such as spirit levelling and gravity m Masters thesis of geospatial sciences development of a precise gravimetric geoid model for argentina

easurements are not applicable. In this case, geoid models can be used for unifying two or more vertical datums together.This research aims to develop

Masters thesis of geospatial sciences development of a precise gravimetric geoid model for argentina

a new and optimal precise geoid for Argentina using all available measurements from the most state of the art technologies and the latest global geop

•RMITUNIVERSITYDevelopment of a Precise Gravimetric Geoid Model for ArgentinaA thesis submitted in fulfilment of the requirements for the degree of Ma

Masters thesis of geospatial sciences development of a precise gravimetric geoid model for argentinawith 658,111 land and marine gravity observations were used for the new model determination. Several GGMs (e.g. EGM2008, GOC005S and EIGEN-6C4) were e

valuated to investigate the best GGM that fits Argentinian regional gravity field. Terrain corrections were calculated using a combination of the SRTM Masters thesis of geospatial sciences development of a precise gravimetric geoid model for argentina

_v4.1 and SRTM30_Plus vio DTMs for- Page i IAbstractall gravity observations. For the regions that lacked gravity observations, the DTU13 world gravit

Masters thesis of geospatial sciences development of a precise gravimetric geoid model for argentina

y model was utilised for filling-in the gravity voids. The residual gravity anomalies were gridded by the Kriging method and the resultant grid was ap

•RMITUNIVERSITYDevelopment of a Precise Gravimetric Geoid Model for ArgentinaA thesis submitted in fulfilment of the requirements for the degree of Ma

Masters thesis of geospatial sciences development of a precise gravimetric geoid model for argentinaThe accuracy of the new geoid was assessed by comparing its geoidal undulations over 1,904 benchmarks, which have both orthometric and ellipsoidal hei

ghts. Results showed that an accuracy of better than 10 centimetres has been achieved.AbstractI Page iiACKNOWLEDGEMENTSThis acknowledgement list shoul Masters thesis of geospatial sciences development of a precise gravimetric geoid model for argentina

d be quite long. It is probably more convenient to divide it into three: those who are experts in Geodesy or Geophysics, those who learned something a

Masters thesis of geospatial sciences development of a precise gravimetric geoid model for argentina

bout my research throughout my Masters and those who do not have a clue about what I have accomplished during these last two and a half years.From the

•RMITUNIVERSITYDevelopment of a Precise Gravimetric Geoid Model for ArgentinaA thesis submitted in fulfilment of the requirements for the degree of Ma

Masters thesis of geospatial sciences development of a precise gravimetric geoid model for argentinaection. I would like to express my profound gratitude to Sergio Cimbaro, President of the Instituto Geográíico Nacional (IGN), who not only provided m

ost of the datasets (or helped me to obtain them) and bent over backwards to assist me with all of my requests, but has been a constant source of supp Masters thesis of geospatial sciences development of a precise gravimetric geoid model for argentina

ort and motivation over many years. I seriously enjoyed sharing all my research questions, concerns and outcomes with the IGN staff (in particular wit

Masters thesis of geospatial sciences development of a precise gravimetric geoid model for argentina

h Demián, Ezequiel, Hernan, Gonzalo, Agustin, Tomás and Juan Carlos). I grew through my conversations with them all. Finally, I would like to acknowle

•RMITUNIVERSITYDevelopment of a Precise Gravimetric Geoid Model for ArgentinaA thesis submitted in fulfilment of the requirements for the degree of Ma

Masters thesis of geospatial sciences development of a precise gravimetric geoid model for argentinae.Regarding those who now understand the basics of the geoid model, I would like to thank my beloved Hayley for all her support during this quest. She

probably learned about Geodesy as much as I did, or even more.From the last group of people who never understood what I was doing in my Masters, I wa Masters thesis of geospatial sciences development of a precise gravimetric geoid model for argentina

nt to acknowledge all my Argentinean friends, for helping me to remember that there is another life beyond Geodesy, and my new Aussie friends, for pro

Masters thesis of geospatial sciences development of a precise gravimetric geoid model for argentina

viding me a rest after a long research day. Finally, I would like to thank my Australian family, for encouraging me and being positive always, and my

•RMITUNIVERSITYDevelopment of a Precise Gravimetric Geoid Model for ArgentinaA thesis submitted in fulfilment of the requirements for the degree of Ma

•RMITUNIVERSITYDevelopment of a Precise Gravimetric Geoid Model for ArgentinaA thesis submitted in fulfilment of the requirements for the degree of Ma