Validation of recent geopotential models in Tierra Del Fuego

Gomez, M. E.; Perdomo, R.; Cogliano, D.

doi:10.1007/s11600-017-0085-y

Artykuł - szczegóły

Tytuł artykułu

Validation of recent geopotential models in Tierra Del Fuego

Autorzy

Gomez M. E. , Perdomo R. , Cogliano D.

Wybrane pełne teksty z tego czasopisma

https://www.springer.com/journal/11600

Identyfikatory

DOI

10.1007/s11600-017-0085-y

Warianty tytułu

Języki publikacji

Abstrakty

This work presents a validation study of global geopotential models (GGM) in the region of Fagnano Lake, located in the southern Andes. This is an excellent area for this type of validation because it is surrounded by the Andes Mountains, and there is no terrestrial gravity or GNSS/levelling data. However, there are mean lake level (MLL) observations, and its surface is assumed to be almost equipotential. Further-more, in this article, we propose improved geoid solutions through the Residual Terrain Modelling (RTM) approach. Using a global geopotential model, the results achieved allow us to conclude that it is possible to use this technique to extend an existing geoid model to those regions that lack any information (neither gravimetric nor GNSS/levelling observations). As GGMs have evolved, our results have improved progressively. While the validation of EGM2008 with MLL data shows a standard de-viation of 35 cm, GOCO05C shows a deviation of 13 cm, similar to the results obtained on land.

Słowa kluczowe

RTM Tierra del Fuego GOCE EGM2008 global geopotential models

RTM Tierra del Fuego GOCE EGM2008

Wydawca

Instytut Geofizyki PAN
Springer

Czasopismo

Acta Geophysica

Rocznik

2017

Tom

Vol. 65, no. 5

Strony

931--943

Opis fizyczny

Bibliogr. 52 poz.

Twórcy

autor

Gomez M. E.

eugegomez80@gmail.com

Facultad de Ciencias Astronomicas y Geofísicas, Universidad Nacional de la Plata, La Plata, Argentina
Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina

autor

Perdomo R.

Facultad de Ciencias Astronomicas y Geofísicas, Universidad Nacional de la Plata, La Plata, Argentina
Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina

autor

Cogliano D.

Facultad de Ciencias Astronomicas y Geofísicas, Universidad Nacional de la Plata, La Plata, Argentina
Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina

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Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018)

Typ dokumentu

Bibliografia

Identyfikator YADDA

bwmeta1.element.baztech-181ac704-15f9-439a-8499-46cee2ccc3b2