2020
DOI: 10.1590/s1982-21702020000100002
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Adjustment of a Regional Altimetric Network, in Brazil, to Estimate Normal Heights and Geopotential Numbers

Abstract: In 2018, the Brazilian Institute of Geography and Statistics (IBGE) defined the normal height values and geopotential numbers for the High Precision Altimetric Network (HPAN), creating the need for developing procedures able to adapt works correlated with the Brazilian Geodetic System (BGS). In that context, and considering the state and municipal altimetric networks, it is necessary to estimate normal heights. To this end, this paper proposes to estimate normal height values and geopotential numbers for the A… Show more

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“…Thus, we need to know the values of gravity inside the Earth. Nevertheless, this is not yet possible because of the difficulty of estimating the density distribution inside the Earth with good accuracy (e.g., Marotta 2020).…”
Section: Normal Orthometric and Geoid Heightsmentioning
confidence: 99%
“…Thus, we need to know the values of gravity inside the Earth. Nevertheless, this is not yet possible because of the difficulty of estimating the density distribution inside the Earth with good accuracy (e.g., Marotta 2020).…”
Section: Normal Orthometric and Geoid Heightsmentioning
confidence: 99%