Glacial lakes of the Central and Patagonian Andes

Wilson, Ryan; Glasser, Neil F.; Reynolds, John M.; Harrison, Stephan; Anacona, Pablo Iribarren; Schaefer, Marius; Shannon, Sarah

doi:10.1016/j.gloplacha.2018.01.004

Cited by 112 publications

(104 citation statements)

References 77 publications

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“…The onset of calving, following proglacial lake formation, accelerating glacier retreat and thinning is not new for Patagonia, as it had been already acknowledged in the large calving glaciers in the Patagonian Icefields by Warren and Aniya (1999). Moreso, proglacial lakes in Southern Patagonia, have been expanding at increasingly higher rates since the 1980s (Wilson et al, 2018). A proglacial lake has also developed at the southeastern tip of Río Oro glacier but contrary to the proglacial lakes at Río Lácteo (Figures 10a-c) and San Lorenzo Sur, shrunk in area over time although this proglacial lake is deeply confined by terminal moraines and no observable surface drainage system is evident (Figures 8a-d).…”

Section: Evolution Of Proglacial Lakesmentioning

confidence: 94%

“…On a side note, the evolution of these proglacial lakes and glacier area and volume changes must be closely monitored, and the morphometry of its surrounding moraines and valleys evaluated, as potentially dangerous events such as moraine breaching and glacial lake outburst floods (GLOF) need to be identified (Bolch et al, 2011b;Aggarwal et al, 2017;Iribarren Anacona et al, 2015;Wilson et al, 2018;Allen et al, 2019). Slope failure and moraine instability may be induced by stress release in recently deglaciated areas (Cossart et al, 2008) and in effect, certain periods have been characterized by moraine debuttressing at the valley glaciers of Monte San Lorenzo (Figure 8, various panels and Figures 10d,e).…”

Section: Evolution Of Proglacial Lakesmentioning

confidence: 99%

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Six Decades (1958–2018) of Geodetic Glacier Mass Balance in Monte San Lorenzo, Patagonian Andes

et al. 2019

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Section: Evolution Of Proglacial Lakesmentioning

confidence: 94%

Section: Evolution Of Proglacial Lakesmentioning

confidence: 99%

Six Decades (1958–2018) of Geodetic Glacier Mass Balance in Monte San Lorenzo, Patagonian Andes

et al. 2019

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“…Lapotre et al, 2016). (2017) and Wilson et al (2018); note that the numbers of GLOFs documented from less settled regions are likely to be underestimated (see also the text).…”

Section: Citations and Referencesmentioning

confidence: 99%

GLOFs in the WOS: bibliometrics, geographies and global trends of research on glacial lake outburst floods (Web of Science, 1979–2016)

Emmer

2018

Nat. Hazards Earth Syst. Sci.

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Abstract. Research on glacial lake outburst floods (GLOFs) -specific low-frequency, high-magnitude floods originating in glacial lakes, including jökulhlaups -is well justified in the context of glacier ice loss and glacial lake evolution in glacierized areas all over the world. Increasing GLOF research activities, which are documented by the increasing number of published research items, have been observed in the past few decades; however, comprehensive insight into the GLOF research community, its global bibliometrics, geographies and trends in research is missing. To fill this gap, a set of 892 GLOF research items published in the Web of Science database covering the period 1979-2016 was analysed. General bibliometric characteristics, citations and references were analysed, revealing a certain change in the publishing paradigm over time. Furthermore, the global geographies of research on GLOFs were studied, focusing on (i) where GLOFs are studied, (ii) who studies GLOFs, (iii) the export of research on GLOFs and (iv) international collaboration. The observed trends and links to the challenges ahead are discussed and placed in a broader context.

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“…In the context of global warming, glaciers are melting rapidly [4], providing conditions for the formation of glacial lakes. Glacial lakes have the potential to evolve into catastrophic outburst floods (i.e., glacial lake outburst floods, GLOFs) [5][6][7], which are considered to be highly destructive glacial hazards because of their potential size, the extent to which they threaten downstream communities, and their capacity to destroy valuable infrastructure and agricultural land [8,9]. The Tibetan Plateau (TP), known as "the Roof of the World" and "the Third Pole" of the Earth, has numerous glaciers and glacial lakes.…”

Section: Introductionmentioning

confidence: 99%

Glacial Lake Changes and Identification of Potentially Dangerous Glacial Lakes in the Yi’ong Zangbo River Basin

Duan

Yao

Zhang

et al. 2020

Water

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The southeastern Tibetan Plateau, where monsoonal temperate glaciers are most developed, has a huge number of glacial lakes. Based on Landsat Operational Land Imager (OLI) images, 192 glacial lakes with a total area of 45.73 ± 6.18 km2 in 2016 were delineated in the Yi’ong Zangbo River Basin. Glacial lakes with areas of less than 0.1 km2 accounted for 81.77% of the total number, and glacial lakes located above 4500 m elevation comprised 83.33%. Dramatic glacier melting caused by climate warming has occurred, resulting in the formation and expansion of glacial lakes and the increase of potential glacial lake outburst floods (GLOFs) risk. From 1970 to 2016, the total area of glaciers in the basin has decreased by 35.39%, whereas the number and total area of glacial lakes have, respectively, increased by 86 and 1.59 km2. In that time, 110 new glacial lakes emerged, whereas 24 of the original lakes disappeared. The newly formed lakes have a smaller mean area but higher mean elevation than the lakes that disappeared. Based on five indicators, a first-order method was used to identify glacial lakes that pose potential threats. We identified 10 lakes with very high, 7 with high, 31 with medium, and 19 with low GLOF susceptibility, out of 67 moraine-dammed glacial lakes with areas larger than 0.02 km2. Understanding the behavior of glaciers and glacial lakes is a vital aspect of GLOFs disaster management, and the monitoring of glacial lakes should be strengthened.

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Glacial lakes of the Central and Patagonian Andes

Cited by 112 publications

References 77 publications

Six Decades (1958–2018) of Geodetic Glacier Mass Balance in Monte San Lorenzo, Patagonian Andes

Six Decades (1958–2018) of Geodetic Glacier Mass Balance in Monte San Lorenzo, Patagonian Andes

GLOFs in the WOS: bibliometrics, geographies and global trends of research on glacial lake outburst floods (Web of Science, 1979–2016)

Glacial Lake Changes and Identification of Potentially Dangerous Glacial Lakes in the Yi’ong Zangbo River Basin

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