INVENTÁRIO DE LAGOS GLACIAIS NAS ILHAS NELSON E REI GEORGE, ANTÁRTICA MARÍTIMA
This study presents the first glacial lake inventory for Nelson and King George Island forelands, Maritime Antarctica. Landsat, Digital Globe, Planet Scope and Sentinel 2 data and Google Earth mapping were applied in lake identification. The geomorphometric characteristics were obtained with TanDEM-...
Published in: | Caminhos de Geografia |
---|---|
Main Authors: | , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | Portuguese |
Published: |
EDUFU - Editora da Universidade Federal de Uberlândia
2021
|
Subjects: | |
Online Access: | https://seer.ufu.br/index.php/caminhosdegeografia/article/view/54688 https://doi.org/10.14393/RCG228054688 |
id |
ftunivfuberland:oai:ojs.www.seer.ufu.br:article/54688 |
---|---|
record_format |
openpolar |
spelling |
ftunivfuberland:oai:ojs.www.seer.ufu.br:article/54688 2023-05-15T13:39:21+02:00 INVENTÁRIO DE LAGOS GLACIAIS NAS ILHAS NELSON E REI GEORGE, ANTÁRTICA MARÍTIMA Araujo Gonçalves de Oliveira, Manoela Petsch, Carina Kellem da Rosa, Kátia Vieira, Rosemary Mattos Costa, Rafaela Perondi, Cleiva Cardia Simões, Jefferson 2021-04-05 application/pdf https://seer.ufu.br/index.php/caminhosdegeografia/article/view/54688 https://doi.org/10.14393/RCG228054688 por por EDUFU - Editora da Universidade Federal de Uberlândia https://seer.ufu.br/index.php/caminhosdegeografia/article/view/54688/31390 https://seer.ufu.br/index.php/caminhosdegeografia/article/view/54688 doi:10.14393/RCG228054688 Copyright (c) 2021 Manoela Araujo Gonçalves de Oliveira, Carina Petsch, Kátia Kellem da Rosa, Rosemary Vieira, Rafaela Mattos Costa, Cleiva Perondi, Jefferson Cardia Simões Caminhos de Geografia; Vol. 22 No. 80 (2021): Abril; 119-132 Caminhos de Geografia; Vol. 22 Núm. 80 (2021): Abril; 119-132 Caminhos de Geografia; v. 22 n. 80 (2021): Abril; 119-132 1678-6343 Áreas livres de gelo Ambiente marginal ao gelo Paraglacial SIG Forelands Ice-marginal environment Paraglacia GIS info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Avaliado pelos pares 2021 ftunivfuberland https://doi.org/10.14393/RCG228054688 2022-07-11T09:22:48Z This study presents the first glacial lake inventory for Nelson and King George Island forelands, Maritime Antarctica. Landsat, Digital Globe, Planet Scope and Sentinel 2 data and Google Earth mapping were applied in lake identification. The geomorphometric characteristics were obtained with TanDEM-X and REMA. There are 56 glacial lakes covering areas of 320.000 in Nelson Island, and 144 lakes covering areas of 2.016.169 in King George Island. There lakes are primarily located in coastal sectors (0-40m elevation) and lower slopes (0-20%) terrains in islands. There are lakes in forelands related to recent (i.g. ice-marginal and ice-contact lakes in proglacial areas presented in Admiralty and King George Bay) and old deglaciation (e.g. Harmony, Stanbury, Fildes, Potter, Weaver and Barton Peninsula). The lakes were not identified in Northern sectors of the islands. The characterization of the lakes can assist in the explanation of possible differences of secular evolution of the lakes, therefore the sprouting of lakes in the sectors frontals of glaciers shows how much these are unstable to the heating in the region, and of this form we can infer on the dynamics of each one of them. O presente trabalho apresenta o primeiro inventário dos lagos glaciais nas áreas livres de gelo nas ilhas Rei George e Nelson, Antártica Marítima. Foram usadas imagens Landsat, Digital Globe, Planet Scope e Sentinel 2 para vetorização e mapeamento dos lagos através do Google Earth. Para a análise geomorfométrica foram utilizados os MDE Tandem-X e REMA. Há 56 lagos na ilha Nelson e 144 lagos na ilha Rei George, cobrindo um total de 320.000 m² de área e 2.016.169 m² de área, respectivamente. Os lagos se distribuem principalmente nos setores costeiros com baixas declividades (0-20%) e elevações (0-40m) nas áreas expostas das ilhas. Os lagos são formados em setores recentemente em deglaciarização (os lagos de contato com o gelo e marginais ao gelo, como por exemplo, nas áreas proglaciais na baía do Almirantado e Rei George) e ... Article in Journal/Newspaper Antarc* Antarctica Antártica King George Island Nelson Island Portal de Periódicos UFU (Universidade Federal de Uberlândia) Barton ENVELOPE(-58.733,-58.733,-62.233,-62.233) Barton Peninsula ENVELOPE(-58.741,-58.741,-62.227,-62.227) Fildes ENVELOPE(-58.817,-58.817,-62.217,-62.217) George Bay ENVELOPE(-36.239,-36.239,-54.370,-54.370) Glacial Lake ENVELOPE(-129.463,-129.463,58.259,58.259) King George Bay ENVELOPE(-58.066,-58.066,-62.100,-62.100) King George Island Nelson Island ENVELOPE(-59.050,-59.050,-62.300,-62.300) Weaver ENVELOPE(-153.833,-153.833,-86.967,-86.967) Caminhos de Geografia 22 80 119 132 |
institution |
Open Polar |
collection |
Portal de Periódicos UFU (Universidade Federal de Uberlândia) |
op_collection_id |
ftunivfuberland |
language |
Portuguese |
topic |
Áreas livres de gelo Ambiente marginal ao gelo Paraglacial SIG Forelands Ice-marginal environment Paraglacia GIS |
spellingShingle |
Áreas livres de gelo Ambiente marginal ao gelo Paraglacial SIG Forelands Ice-marginal environment Paraglacia GIS Araujo Gonçalves de Oliveira, Manoela Petsch, Carina Kellem da Rosa, Kátia Vieira, Rosemary Mattos Costa, Rafaela Perondi, Cleiva Cardia Simões, Jefferson INVENTÁRIO DE LAGOS GLACIAIS NAS ILHAS NELSON E REI GEORGE, ANTÁRTICA MARÍTIMA |
topic_facet |
Áreas livres de gelo Ambiente marginal ao gelo Paraglacial SIG Forelands Ice-marginal environment Paraglacia GIS |
description |
This study presents the first glacial lake inventory for Nelson and King George Island forelands, Maritime Antarctica. Landsat, Digital Globe, Planet Scope and Sentinel 2 data and Google Earth mapping were applied in lake identification. The geomorphometric characteristics were obtained with TanDEM-X and REMA. There are 56 glacial lakes covering areas of 320.000 in Nelson Island, and 144 lakes covering areas of 2.016.169 in King George Island. There lakes are primarily located in coastal sectors (0-40m elevation) and lower slopes (0-20%) terrains in islands. There are lakes in forelands related to recent (i.g. ice-marginal and ice-contact lakes in proglacial areas presented in Admiralty and King George Bay) and old deglaciation (e.g. Harmony, Stanbury, Fildes, Potter, Weaver and Barton Peninsula). The lakes were not identified in Northern sectors of the islands. The characterization of the lakes can assist in the explanation of possible differences of secular evolution of the lakes, therefore the sprouting of lakes in the sectors frontals of glaciers shows how much these are unstable to the heating in the region, and of this form we can infer on the dynamics of each one of them. O presente trabalho apresenta o primeiro inventário dos lagos glaciais nas áreas livres de gelo nas ilhas Rei George e Nelson, Antártica Marítima. Foram usadas imagens Landsat, Digital Globe, Planet Scope e Sentinel 2 para vetorização e mapeamento dos lagos através do Google Earth. Para a análise geomorfométrica foram utilizados os MDE Tandem-X e REMA. Há 56 lagos na ilha Nelson e 144 lagos na ilha Rei George, cobrindo um total de 320.000 m² de área e 2.016.169 m² de área, respectivamente. Os lagos se distribuem principalmente nos setores costeiros com baixas declividades (0-20%) e elevações (0-40m) nas áreas expostas das ilhas. Os lagos são formados em setores recentemente em deglaciarização (os lagos de contato com o gelo e marginais ao gelo, como por exemplo, nas áreas proglaciais na baía do Almirantado e Rei George) e ... |
format |
Article in Journal/Newspaper |
author |
Araujo Gonçalves de Oliveira, Manoela Petsch, Carina Kellem da Rosa, Kátia Vieira, Rosemary Mattos Costa, Rafaela Perondi, Cleiva Cardia Simões, Jefferson |
author_facet |
Araujo Gonçalves de Oliveira, Manoela Petsch, Carina Kellem da Rosa, Kátia Vieira, Rosemary Mattos Costa, Rafaela Perondi, Cleiva Cardia Simões, Jefferson |
author_sort |
Araujo Gonçalves de Oliveira, Manoela |
title |
INVENTÁRIO DE LAGOS GLACIAIS NAS ILHAS NELSON E REI GEORGE, ANTÁRTICA MARÍTIMA |
title_short |
INVENTÁRIO DE LAGOS GLACIAIS NAS ILHAS NELSON E REI GEORGE, ANTÁRTICA MARÍTIMA |
title_full |
INVENTÁRIO DE LAGOS GLACIAIS NAS ILHAS NELSON E REI GEORGE, ANTÁRTICA MARÍTIMA |
title_fullStr |
INVENTÁRIO DE LAGOS GLACIAIS NAS ILHAS NELSON E REI GEORGE, ANTÁRTICA MARÍTIMA |
title_full_unstemmed |
INVENTÁRIO DE LAGOS GLACIAIS NAS ILHAS NELSON E REI GEORGE, ANTÁRTICA MARÍTIMA |
title_sort |
inventário de lagos glaciais nas ilhas nelson e rei george, antártica marítima |
publisher |
EDUFU - Editora da Universidade Federal de Uberlândia |
publishDate |
2021 |
url |
https://seer.ufu.br/index.php/caminhosdegeografia/article/view/54688 https://doi.org/10.14393/RCG228054688 |
long_lat |
ENVELOPE(-58.733,-58.733,-62.233,-62.233) ENVELOPE(-58.741,-58.741,-62.227,-62.227) ENVELOPE(-58.817,-58.817,-62.217,-62.217) ENVELOPE(-36.239,-36.239,-54.370,-54.370) ENVELOPE(-129.463,-129.463,58.259,58.259) ENVELOPE(-58.066,-58.066,-62.100,-62.100) ENVELOPE(-59.050,-59.050,-62.300,-62.300) ENVELOPE(-153.833,-153.833,-86.967,-86.967) |
geographic |
Barton Barton Peninsula Fildes George Bay Glacial Lake King George Bay King George Island Nelson Island Weaver |
geographic_facet |
Barton Barton Peninsula Fildes George Bay Glacial Lake King George Bay King George Island Nelson Island Weaver |
genre |
Antarc* Antarctica Antártica King George Island Nelson Island |
genre_facet |
Antarc* Antarctica Antártica King George Island Nelson Island |
op_source |
Caminhos de Geografia; Vol. 22 No. 80 (2021): Abril; 119-132 Caminhos de Geografia; Vol. 22 Núm. 80 (2021): Abril; 119-132 Caminhos de Geografia; v. 22 n. 80 (2021): Abril; 119-132 1678-6343 |
op_relation |
https://seer.ufu.br/index.php/caminhosdegeografia/article/view/54688/31390 https://seer.ufu.br/index.php/caminhosdegeografia/article/view/54688 doi:10.14393/RCG228054688 |
op_rights |
Copyright (c) 2021 Manoela Araujo Gonçalves de Oliveira, Carina Petsch, Kátia Kellem da Rosa, Rosemary Vieira, Rafaela Mattos Costa, Cleiva Perondi, Jefferson Cardia Simões |
op_doi |
https://doi.org/10.14393/RCG228054688 |
container_title |
Caminhos de Geografia |
container_volume |
22 |
container_issue |
80 |
container_start_page |
119 |
op_container_end_page |
132 |
_version_ |
1766117543204880384 |