The landforms and pattern of deglaciation of the Dragon glacier, King George island, south Shetlands, Antarctica
This paper presents results of the application of techniques of landforms mapping for the reconstruction of the evolution of the environments of deglaciation on the Dragon glacier, Martel Inlet, King George Island, South Shetlands. The reconstruction of the changes on the glacier extension was creat...
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ftunivfrgs:oai:www.lume.ufrgs.br:10183/223905 2023-05-15T13:44:55+02:00 The landforms and pattern of deglaciation of the Dragon glacier, King George island, south Shetlands, Antarctica Geoformas e padrão de deglaciação da geleira dragon, ilha rei george, shetlands do sul, antartica Rosa, Kátia Kellem da Souza Júnior, Enoil de Vieira, Rosemary Simões, Jefferson Cardia 2013 application/pdf http://hdl.handle.net/10183/223905 eng eng Revista de geografia. UFPE/DCG-NAPA, Recife. Vol. 30, n. 2 (maio-ago. 2013), p. 6-16 0104-5490 http://hdl.handle.net/10183/223905 000931616 Open Access Glacier reconstruction Geomorphic mapping Remote sensing Sensoriamento remoto Geomorfologia glacial Glaciologia Rei George Ilha (Antártica) Artigo de periódico Nacional 2013 ftunivfrgs 2021-08-21T23:18:09Z This paper presents results of the application of techniques of landforms mapping for the reconstruction of the evolution of the environments of deglaciation on the Dragon glacier, Martel Inlet, King George Island, South Shetlands. The reconstruction of the changes on the glacier extension was created through moraine positions mapping and historical satellital images. The geomorphological mapping generated contributes to identify processes that influence the formation of glacial geomorphology in relation to glacial dynamics and paraglacial modifications as aeolian action and debris flow. Furthermore the geomorphological mapping serves as a support to monitor environmental changes against the retreat processes as effects of climate variability verified in the area of study. This study presents geomorphological application of the glacier reconstruction modeling method. This approach can be used to validate geomorphological interpretations of marginal deglaciation. Este trabalho apresenta resultados da aplicação de técnicas de mapeamento de geoformas para a reconstrução da evolução dos ambientes de deglaciação da geleira Dragão, enseada Martel, ilha Rei George, Shetlands do Sul. A reconstrução das mudanças na cobertura glacial da geleira Dragão foi realizada por meio do reconhecimento das posições morainicas e utilização de imagens de satélites de diferentes anos. O mapeamento geomorfológico possibilitou análises dos processos atuantes na área de estudo, tais como processos erosivos e fluxo de encosta causando retrabalhamento dos depósitos. Diante dos processos de retração glacial constatados na área de estudo, como efeito da variabilidade climática destes ambientes, o mapeamento geomorfológico serve como subsídio para monitoramento de mudanças ambientais. Este estudo demonstra a aplicação da geomorfologia glacial na geração de um modelo de reconstrução glacial. O mapeamento elaborado pode ser usado para validar interpretações geomorfológicas relacionadas a deglaciação. Article in Journal/Newspaper Antarc* Antarctica antartic* Antártica King George Island Universidade Federal do Rio Grande do Sul (UFRGS): Lume Dragon Glacier ENVELOPE(-58.372,-58.372,-62.115,-62.115) King George Island Martel ENVELOPE(-58.353,-58.353,-62.092,-62.092) Martel Inlet ENVELOPE(-58.367,-58.367,-62.083,-62.083) |
institution |
Open Polar |
collection |
Universidade Federal do Rio Grande do Sul (UFRGS): Lume |
op_collection_id |
ftunivfrgs |
language |
English |
topic |
Glacier reconstruction Geomorphic mapping Remote sensing Sensoriamento remoto Geomorfologia glacial Glaciologia Rei George Ilha (Antártica) |
spellingShingle |
Glacier reconstruction Geomorphic mapping Remote sensing Sensoriamento remoto Geomorfologia glacial Glaciologia Rei George Ilha (Antártica) Rosa, Kátia Kellem da Souza Júnior, Enoil de Vieira, Rosemary Simões, Jefferson Cardia The landforms and pattern of deglaciation of the Dragon glacier, King George island, south Shetlands, Antarctica |
topic_facet |
Glacier reconstruction Geomorphic mapping Remote sensing Sensoriamento remoto Geomorfologia glacial Glaciologia Rei George Ilha (Antártica) |
description |
This paper presents results of the application of techniques of landforms mapping for the reconstruction of the evolution of the environments of deglaciation on the Dragon glacier, Martel Inlet, King George Island, South Shetlands. The reconstruction of the changes on the glacier extension was created through moraine positions mapping and historical satellital images. The geomorphological mapping generated contributes to identify processes that influence the formation of glacial geomorphology in relation to glacial dynamics and paraglacial modifications as aeolian action and debris flow. Furthermore the geomorphological mapping serves as a support to monitor environmental changes against the retreat processes as effects of climate variability verified in the area of study. This study presents geomorphological application of the glacier reconstruction modeling method. This approach can be used to validate geomorphological interpretations of marginal deglaciation. Este trabalho apresenta resultados da aplicação de técnicas de mapeamento de geoformas para a reconstrução da evolução dos ambientes de deglaciação da geleira Dragão, enseada Martel, ilha Rei George, Shetlands do Sul. A reconstrução das mudanças na cobertura glacial da geleira Dragão foi realizada por meio do reconhecimento das posições morainicas e utilização de imagens de satélites de diferentes anos. O mapeamento geomorfológico possibilitou análises dos processos atuantes na área de estudo, tais como processos erosivos e fluxo de encosta causando retrabalhamento dos depósitos. Diante dos processos de retração glacial constatados na área de estudo, como efeito da variabilidade climática destes ambientes, o mapeamento geomorfológico serve como subsídio para monitoramento de mudanças ambientais. Este estudo demonstra a aplicação da geomorfologia glacial na geração de um modelo de reconstrução glacial. O mapeamento elaborado pode ser usado para validar interpretações geomorfológicas relacionadas a deglaciação. |
format |
Article in Journal/Newspaper |
author |
Rosa, Kátia Kellem da Souza Júnior, Enoil de Vieira, Rosemary Simões, Jefferson Cardia |
author_facet |
Rosa, Kátia Kellem da Souza Júnior, Enoil de Vieira, Rosemary Simões, Jefferson Cardia |
author_sort |
Rosa, Kátia Kellem da |
title |
The landforms and pattern of deglaciation of the Dragon glacier, King George island, south Shetlands, Antarctica |
title_short |
The landforms and pattern of deglaciation of the Dragon glacier, King George island, south Shetlands, Antarctica |
title_full |
The landforms and pattern of deglaciation of the Dragon glacier, King George island, south Shetlands, Antarctica |
title_fullStr |
The landforms and pattern of deglaciation of the Dragon glacier, King George island, south Shetlands, Antarctica |
title_full_unstemmed |
The landforms and pattern of deglaciation of the Dragon glacier, King George island, south Shetlands, Antarctica |
title_sort |
landforms and pattern of deglaciation of the dragon glacier, king george island, south shetlands, antarctica |
publishDate |
2013 |
url |
http://hdl.handle.net/10183/223905 |
long_lat |
ENVELOPE(-58.372,-58.372,-62.115,-62.115) ENVELOPE(-58.353,-58.353,-62.092,-62.092) ENVELOPE(-58.367,-58.367,-62.083,-62.083) |
geographic |
Dragon Glacier King George Island Martel Martel Inlet |
geographic_facet |
Dragon Glacier King George Island Martel Martel Inlet |
genre |
Antarc* Antarctica antartic* Antártica King George Island |
genre_facet |
Antarc* Antarctica antartic* Antártica King George Island |
op_relation |
Revista de geografia. UFPE/DCG-NAPA, Recife. Vol. 30, n. 2 (maio-ago. 2013), p. 6-16 0104-5490 http://hdl.handle.net/10183/223905 000931616 |
op_rights |
Open Access |
_version_ |
1766208635528019968 |