Study about mean sea level determination with altimetry satellite
The shape attributed to the Earth, by convention, is the geoid. This is considered as the equipotential surface which coincides with the undisturbed Mean Level of the Seas (MSL). It is of fundamental importance to geodesists determining the MSL (altimetric Data), since this play an important role in...
Principais autores: | Reis, Vânia Pereira, Palmeiro, Alessandra Svonka, Barbosa, Luiz Guimarães |
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Idioma: | Português |
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Universidade Tecnológica Federal do Paraná (UTFPR)
2018
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http://periodicos.utfpr.edu.br/rbgeo/article/view/5518 |
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peri-article-55182018-05-09T02:12:03Z Study about mean sea level determination with altimetry satellite Estudo da obtenção do nível médio do mar com altimetria por satélites Reis, Vânia Pereira Palmeiro, Alessandra Svonka Barbosa, Luiz Guimarães Geociências; Geodésia Física Geoide; NMM; TNMM; Altimetria por Satélites Geoid; MSL; MDT; Altimetry Satellite The shape attributed to the Earth, by convention, is the geoid. This is considered as the equipotential surface which coincides with the undisturbed Mean Level of the Seas (MSL). It is of fundamental importance to geodesists determining the MSL (altimetric Data), since this play an important role in the realization of global reference systems and enable the integration of data referred to classic vertical networks, where each datum is defined by the MSL. Currently altimetry satellite (ALTSAT) is an effective technique for monitoring the MSL, as it provides a methodical and continuous data collection and that in turn allows the global observation of the sea level (SL). Resulting in a data structure with several oceanographic parameters and time series of consistent data for long periods. This greatly facilitates the use of these data for studies of NMM and, hence, the determining of the Mean Dynamic Topography (MDT) and geoid itself. This paper focuses on the study of obtaining MSL obtained by altimetry missions, focusing on TOPEX/Poseidon, Jason-1, Jason-2 and Jason-3 satellites aiming the importance of MSL for MDT determination. A forma atribuída à Terra, por convenção, é a do geoide. Este é considerado como a superfície equipotencial que coincide com o Nível Médio dos Mares (NMM) não perturbado. É de fundamental importância aos geodesistas a determinação do NMM (Data altimétricos), uma vez que estes apresentam papel importante na realização de sistemas globais de referência e permitem a integração de dados referidos a redes verticais clássicas, onde cada Datum é definido pelo NMM. Atualmente a Altimetria por Satélites (ALTSAT) é uma técnica eficaz no monitoramento do NMM, uma vez que proporciona uma obtenção metódica e contínua de dados e que por seu turno permite a observação global do Nível do Mar (NM). Resultando em uma estrutura de dados com diversos parâmetros oceanográficos e em séries temporais de dados consistentes por longos períodos. Isso facilita sobremaneira a utilização destes dados para os estudos do NMM e, consequentemente, a determinação da Topografia do Nível Médio dos Mares (TNMM) e do próprio geoide. O presente trabalho está centrado no estudo da obtenção do NMM obtido pelas missões altimétricas, com ênfase nos satélites TOPEX/Poseidon, Jason-1, Jason-2 e Jason-3 visando à importância do NMM para a determinação da TNMM. Universidade Tecnológica Federal do Paraná (UTFPR) 2018-03-09 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf http://periodicos.utfpr.edu.br/rbgeo/article/view/5518 10.3895/rbgeo.v6n1.5518 Revista Brasileira de Geomática; v. 6, n. 1 (2018); 3-22 Revista Brasileira de Geomática; v. 6, n. 1 (2018); 3-22 2317-4285 10.3895/rbgeo.v6n1 por http://periodicos.utfpr.edu.br/rbgeo/article/view/5518/4886 Direitos autorais 2018 CC-BY http://creativecommons.org/licenses/by/4.0 |
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Universidade Tecnológica Federal do Paraná |
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Português |
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Artigo |
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Reis, Vânia Pereira Palmeiro, Alessandra Svonka Barbosa, Luiz Guimarães |
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Reis, Vânia Pereira Palmeiro, Alessandra Svonka Barbosa, Luiz Guimarães Study about mean sea level determination with altimetry satellite |
author_sort |
Reis, Vânia Pereira |
title |
Study about mean sea level determination with altimetry satellite |
title_short |
Study about mean sea level determination with altimetry satellite |
title_full |
Study about mean sea level determination with altimetry satellite |
title_fullStr |
Study about mean sea level determination with altimetry satellite |
title_full_unstemmed |
Study about mean sea level determination with altimetry satellite |
title_sort |
study about mean sea level determination with altimetry satellite |
description |
The shape attributed to the Earth, by convention, is the geoid. This is considered as the equipotential surface which coincides with the undisturbed Mean Level of the Seas (MSL). It is of fundamental importance to geodesists determining the MSL (altimetric Data), since this play an important role in the realization of global reference systems and enable the integration of data referred to classic vertical networks, where each datum is defined by the MSL. Currently altimetry satellite (ALTSAT) is an effective technique for monitoring the MSL, as it provides a methodical and continuous data collection and that in turn allows the global observation of the sea level (SL). Resulting in a data structure with several oceanographic parameters and time series of consistent data for long periods. This greatly facilitates the use of these data for studies of NMM and, hence, the determining of the Mean Dynamic Topography (MDT) and geoid itself. This paper focuses on the study of obtaining MSL obtained by altimetry missions, focusing on TOPEX/Poseidon, Jason-1, Jason-2 and Jason-3 satellites aiming the importance of MSL for MDT determination. |
publisher |
Universidade Tecnológica Federal do Paraná (UTFPR) |
publishDate |
2018 |
url |
http://periodicos.utfpr.edu.br/rbgeo/article/view/5518 |
_version_ |
1805295397591056384 |
score |
10,814766 |