Space-borne GNSS radio occultation: validation and analysis of the observed tropopause over South America

Detalhes bibliográficos
Autor(a) principal: NASCIMENTO, Absalão Aranha
Data de Publicação: 2019
Tipo de documento: Dissertação
Idioma: eng
Título da fonte: Repositório Institucional da UFPE
Texto Completo: https://repositorio.ufpe.br/handle/123456789/33225
Resumo: Global and regional tropopause monitoring (temperature and height) has taking advantage of atmospheric remote sensing using Global Navigation Satellite System - Radio Occultation (GNSS-RO). In this study, 622,914 GNSS-RO data observations obtained by CHAMP (Challenging Minisatellite Payload), GRACE (Gravity Recovery and Climate Experiment) and COSMIC (Constellation Observing System for Meteorology Ionosphere & Climate), considering 200 months (2001 to 2017) were used to analyze the variability of the height and temperature of the Lapse-Rate Tropopause (LRT) over South America. Firstly the atmospheric profiles were validated using atmospheric observations for 54 radiosonde stations. The results considering South America showed a new trend of 13.450 ± 0.677 meters per decade for the tropopause height which indicates a regional tropopause increase and a corresponding temperature decrease of -0.021 ± 0.002K per decade. The PCA (Principal Component Analysis) of the anomalies of temperature and height of the tropopause presented a significant correlation of 0.60 of the variability of the tropopause with the ENSO (El Niño–Southern Oscillation) phenomenon. The detected increase of tropopause height in South America revel warming evidence that should be monitored.
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spelling NASCIMENTO, Absalão Aranhahttp://lattes.cnpq.br/8939913216007000http://lattes.cnpq.br/2283319786776203GONÇALVES, Rodrigo MikoszAWANGE, Joseph2019-09-18T22:41:16Z2019-09-18T22:41:16Z2019-02-20https://repositorio.ufpe.br/handle/123456789/33225Global and regional tropopause monitoring (temperature and height) has taking advantage of atmospheric remote sensing using Global Navigation Satellite System - Radio Occultation (GNSS-RO). In this study, 622,914 GNSS-RO data observations obtained by CHAMP (Challenging Minisatellite Payload), GRACE (Gravity Recovery and Climate Experiment) and COSMIC (Constellation Observing System for Meteorology Ionosphere & Climate), considering 200 months (2001 to 2017) were used to analyze the variability of the height and temperature of the Lapse-Rate Tropopause (LRT) over South America. Firstly the atmospheric profiles were validated using atmospheric observations for 54 radiosonde stations. The results considering South America showed a new trend of 13.450 ± 0.677 meters per decade for the tropopause height which indicates a regional tropopause increase and a corresponding temperature decrease of -0.021 ± 0.002K per decade. The PCA (Principal Component Analysis) of the anomalies of temperature and height of the tropopause presented a significant correlation of 0.60 of the variability of the tropopause with the ENSO (El Niño–Southern Oscillation) phenomenon. The detected increase of tropopause height in South America revel warming evidence that should be monitored.O monitoramento global e regional de tropopausa (temperatura e altura) tem aproveitado o sensoriamento remoto atmosférico usando o Sistema Global de Navegação por Satélite - Radio Occultation (RO-GNSS). Neste estudo, 622914 observações de dados GNSS-RO obtidas por CHAMP (Challenging Minisatellite Payload), GRACE (Gravity Recovery and Climate Experiment) e COSMIC (Constellation Observing System for Meteorology Ionosphere & Climate), considerando 200 meses (2001 a 2017) foram utilizados para analisar a variabilidade da altura e temperatura da Lapse-Rate Tropopausa (LRT) sobre a América do Sul. Primeiramente, os perfis atmosféricos foram validados utilizando observações atmosféricas para 54 estações de radiossondas. Os resultados, considerando a América do Sul, mostraram uma nova tendência de 13,450 ± 0,677 metros por década para a altura da tropopausa, o que indica um aumento regional da tropopausa e uma diminuição correspondente na temperatura de -0.021 ± 0.002K por década. A PCA (Análise de Componentes Principais) das anomalias de temperatura e altura da tropopausa apresentou correlação significativa de 0,60 da variabilidade da tropopausa com o fenômeno ENSO (El Niño - Oscilação Sul). O aumento detectado da altura da tropopausa na América do Sul revela uma evidência de aquecimento que deve ser monitorada.engUniversidade Federal de PernambucoPrograma de Pos Graduacao em Ciencias Geodesicas e Tecnologias da GeoinformacaoUFPEBrasilAttribution-NonCommercial-NoDerivs 3.0 Brazilhttp://creativecommons.org/licenses/by-nc-nd/3.0/br/info:eu-repo/semantics/openAccessEngenharia CartográficaGNSS-ROTropopausaTeleconexõesAmérica do SulSpace-borne GNSS radio occultation: validation and analysis of the observed tropopause over South Americainfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesismestradoreponame:Repositório Institucional da UFPEinstname:Universidade Federal de Pernambuco (UFPE)instacron:UFPETHUMBNAILDISSERTAÇÃO Absalão Aranha Nascimento.pdf.jpgDISSERTAÇÃO Absalão Aranha Nascimento.pdf.jpgGenerated Thumbnailimage/jpeg1285https://repositorio.ufpe.br/bitstream/123456789/33225/5/DISSERTA%c3%87%c3%83O%20Absal%c3%a3o%20Aranha%20Nascimento.pdf.jpg8853f73f30afc342e2483d3f3193644aMD55ORIGINALDISSERTAÇÃO Absalão Aranha Nascimento.pdfDISSERTAÇÃO Absalão Aranha Nascimento.pdfapplication/pdf1781841https://repositorio.ufpe.br/bitstream/123456789/33225/1/DISSERTA%c3%87%c3%83O%20Absal%c3%a3o%20Aranha%20Nascimento.pdfdb5b526ca6d6bad8f2e2a6c215ebcf90MD51CC-LICENSElicense_rdflicense_rdfapplication/rdf+xml; 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dc.title.pt_BR.fl_str_mv Space-borne GNSS radio occultation: validation and analysis of the observed tropopause over South America
title Space-borne GNSS radio occultation: validation and analysis of the observed tropopause over South America
spellingShingle Space-borne GNSS radio occultation: validation and analysis of the observed tropopause over South America
NASCIMENTO, Absalão Aranha
Engenharia Cartográfica
GNSS-RO
Tropopausa
Teleconexões
América do Sul
title_short Space-borne GNSS radio occultation: validation and analysis of the observed tropopause over South America
title_full Space-borne GNSS radio occultation: validation and analysis of the observed tropopause over South America
title_fullStr Space-borne GNSS radio occultation: validation and analysis of the observed tropopause over South America
title_full_unstemmed Space-borne GNSS radio occultation: validation and analysis of the observed tropopause over South America
title_sort Space-borne GNSS radio occultation: validation and analysis of the observed tropopause over South America
author NASCIMENTO, Absalão Aranha
author_facet NASCIMENTO, Absalão Aranha
author_role author
dc.contributor.authorLattes.pt_BR.fl_str_mv http://lattes.cnpq.br/8939913216007000
dc.contributor.advisorLattes.pt_BR.fl_str_mv http://lattes.cnpq.br/2283319786776203
dc.contributor.author.fl_str_mv NASCIMENTO, Absalão Aranha
dc.contributor.advisor1.fl_str_mv GONÇALVES, Rodrigo Mikosz
dc.contributor.advisor-co1.fl_str_mv AWANGE, Joseph
contributor_str_mv GONÇALVES, Rodrigo Mikosz
AWANGE, Joseph
dc.subject.por.fl_str_mv Engenharia Cartográfica
GNSS-RO
Tropopausa
Teleconexões
América do Sul
topic Engenharia Cartográfica
GNSS-RO
Tropopausa
Teleconexões
América do Sul
description Global and regional tropopause monitoring (temperature and height) has taking advantage of atmospheric remote sensing using Global Navigation Satellite System - Radio Occultation (GNSS-RO). In this study, 622,914 GNSS-RO data observations obtained by CHAMP (Challenging Minisatellite Payload), GRACE (Gravity Recovery and Climate Experiment) and COSMIC (Constellation Observing System for Meteorology Ionosphere & Climate), considering 200 months (2001 to 2017) were used to analyze the variability of the height and temperature of the Lapse-Rate Tropopause (LRT) over South America. Firstly the atmospheric profiles were validated using atmospheric observations for 54 radiosonde stations. The results considering South America showed a new trend of 13.450 ± 0.677 meters per decade for the tropopause height which indicates a regional tropopause increase and a corresponding temperature decrease of -0.021 ± 0.002K per decade. The PCA (Principal Component Analysis) of the anomalies of temperature and height of the tropopause presented a significant correlation of 0.60 of the variability of the tropopause with the ENSO (El Niño–Southern Oscillation) phenomenon. The detected increase of tropopause height in South America revel warming evidence that should be monitored.
publishDate 2019
dc.date.accessioned.fl_str_mv 2019-09-18T22:41:16Z
dc.date.available.fl_str_mv 2019-09-18T22:41:16Z
dc.date.issued.fl_str_mv 2019-02-20
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/masterThesis
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status_str publishedVersion
dc.identifier.uri.fl_str_mv https://repositorio.ufpe.br/handle/123456789/33225
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dc.language.iso.fl_str_mv eng
language eng
dc.rights.driver.fl_str_mv Attribution-NonCommercial-NoDerivs 3.0 Brazil
http://creativecommons.org/licenses/by-nc-nd/3.0/br/
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rights_invalid_str_mv Attribution-NonCommercial-NoDerivs 3.0 Brazil
http://creativecommons.org/licenses/by-nc-nd/3.0/br/
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Universidade Federal de Pernambuco
dc.publisher.program.fl_str_mv Programa de Pos Graduacao em Ciencias Geodesicas e Tecnologias da Geoinformacao
dc.publisher.initials.fl_str_mv UFPE
dc.publisher.country.fl_str_mv Brasil
publisher.none.fl_str_mv Universidade Federal de Pernambuco
dc.source.none.fl_str_mv reponame:Repositório Institucional da UFPE
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