2015
DOI: 10.22456/1807-9806.78119
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Recent changes in the Wanda Glacier, King George Island, Antarctica

Abstract: Mudanças glaciológicas recentes na geleira Wanda, Ilha Rei George, Shetlands do Sul (latitudes 61°54’S a 62°16’S e longitudes 57°35’W a 59°02’W), fora da Península Antártica, foram quantificadas através de medidas da direção e velocidade do fluxo de gelo e das flutuações em sua posição frontal. Dados topográ- ficos e medidas de DGPS, bem como perfis transversais e longitudinais para a geleira foram obtidos para a geração de um Modelo Digital de Superfície. Os resultados demonstram que a geleira Wanda possui um… Show more

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Cited by 14 publications
(10 citation statements)
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“…Confirmation that AP responds quickly to climate change is presented in (Silva et al, 2020), whereby the authors characterize glaciers on the islands of the Antarctic Peninsula as melting, with the reported loss of 279 km 2 during 2001-2015. For example, the glaciers on King George Island were reduced by 9.41 km 2 (Rosa et al, 2015); on the Shetland Islands, 61% of glaciers are shrinking (Osmanoğlu et al, 2014). The studies of 1956(Hlotov et al, 2004 suggest that the Galindez glacier is also much reduced.…”
Section: Resultsmentioning
confidence: 99%
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“…Confirmation that AP responds quickly to climate change is presented in (Silva et al, 2020), whereby the authors characterize glaciers on the islands of the Antarctic Peninsula as melting, with the reported loss of 279 km 2 during 2001-2015. For example, the glaciers on King George Island were reduced by 9.41 km 2 (Rosa et al, 2015); on the Shetland Islands, 61% of glaciers are shrinking (Osmanoğlu et al, 2014). The studies of 1956(Hlotov et al, 2004 suggest that the Galindez glacier is also much reduced.…”
Section: Resultsmentioning
confidence: 99%
“…The observed changes indicate that the AP ra pid ly reacts to climate change. Yet the changes are not uniform across the region (Shepherd et al, 2012).…”
Section: Introductionmentioning
confidence: 99%
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“…Outro estudo, realizado entre 2001 e 2008, permitiu constatar que a ilha Rei George perdeu 20 km 2 (aproximadamente 1,6% de sua área) (RÜCKAMP et al, 2011). Além disso, dados geomorfológicos de duas geleiras, a Wanda e a Ecology, ao longo de cinco décadas, mostram que as bacias, que estão em processo de retração, tem suas bases úmida (ROSA et al, 2015), o que pode acelerar, e muito, o movimento e desprendimento de uma geleira. As retrações estão quase que inteiramente ligadas a geleiras de maré (BRAUN; GOSSMANN, 2002).…”
Section: Resultsunclassified
“…Changes in length, area, volume or mass were determined only for fraction of the local glaciers, and the AP is ranked among poorly sampled regions (Mernild and others, 2013; Zemp and others, 2015). Most regional studies of glacier volume/mass changes have used topographic elevation data derived from stereoscopic aerial photographs (Rivera and others, 2005b; Molina and others, 2007; Engel and others, 2012; Kunz and others, 2012; Osmanoğlu and others, 2014; Pętlicki and others, 2017) and satellite imagery (Rückamp and others, 2011; Davies and others, 2012; da Rosa and others, 2015; Fieber and others, 2018), both of which have limited vertical resolution and time coverage. Since the beginning of 21st century, in situ glaciological monitoring programmes have been initiated to determine the mass balance of small ice caps and glaciers around the AP.…”
Section: Introductionmentioning
confidence: 99%